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Re: kern/54818: 9.0_RC1 pagedaemon spins



Hi,

and thanks for the dtrace script!  Via hints, I managed to get it
to run using "-x nolib", and it has now traced a number of 64k
allocations and free operations -- it seems these are all audio
related.  Counting the "alloc"s vs. the "free"s, it seems I have
81 allocs but only 45 frees.  Somewhat correspondingly, I appear
to have 72 'audioopen' but only 9 'audioclose'.  The only audio-
using application I use is firefox, but it's not collecting audio
file descriptors -- I only find one open at the moment (and I
don't use pulseaudio):

: {16} ; fstat -n -p 1412 | grep audio
he       firefox     1412  179* audio 0xfffffe805f1f3240
: {17} ; 

The dtrace script I got is

---
#pragma D option flowindent

fbt::uvm_km_kmem_alloc:entry
/arg1 > 49152 && arg1 <= 65536 /
{
        printf("size: %d", arg1);
        stack();
}

fbt::uvm_km_kmem_free:entry
/arg2 > 49152 && arg2 <= 65536/
{
        printf("size: %d", arg2);
        stack();
}
---

and the trace collected so far is shown below.

Inspecting the code of audiosetinfo() doesn't reveal a
kmem_intr_zalloc anywhere in sight, but dissassembling finds
there is a call to kmem_zalloc() on the expected location:

   0xffffffff80791195 <audiosetinfo+4334>:      
    callq  0xffffffff8098c3be <kmem_zalloc>

There is one in audio_stream_ctor(), though, called from
audio_setup_rfilters(), which are both static functions, so both
may have been hoisted up into audiosetinfo() (?)

Anyway, the collected info so far is:


CPU FUNCTION                                 
  7  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  1              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  3              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  5              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  2  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  2    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  2      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  2        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  2          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  2            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  6            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0          -> uvm_km_kmem_free              size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7  -> uvm_km_kmem_alloc                     size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7    -> uvm_km_kmem_alloc                   size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7      -> uvm_km_kmem_alloc                 size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7        -> uvm_km_kmem_alloc               size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x10f3
              netbsd`audio_set_defaults+0xeb
              netbsd`audio_open.part.33+0x44c
              netbsd`audioopen+0xf5
              netbsd`spec_open+0x276
              netbsd`VOP_OPEN+0x4c
              netbsd`vn_open+0x1ed
              netbsd`do_open+0x112
              netbsd`do_sys_openat+0x68
              netbsd`sys_open+0x24
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7          -> uvm_km_kmem_alloc             size: 65536
              netbsd`kmem_intr_alloc+0x6d
              netbsd`kmem_intr_zalloc+0xf
              netbsd`audiosetinfo+0x645
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7            -> uvm_km_kmem_free            size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  7              -> uvm_km_kmem_free          size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audiosetinfo+0x1579
              netbsd`audio_ioctl+0x21c
              netbsd`audioioctl+0xe6
              netbsd`sys_ioctl+0x11a
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d

  0  -> uvm_km_kmem_free                      size: 65536
              netbsd`audio_stream_dtor+0x1d
              netbsd`audio_destroy_pfilters+0x51
              netbsd`audio_close.part.31+0xc9
              netbsd`audioclose+0x116
              netbsd`closef+0x63
              netbsd`fd_close+0x108
              netbsd`sys_close+0x1f
              netbsd`syscall+0x1ec
              netbsd`handle_syscall+0x2d



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