Re: something's wrong

To: David Brownlee <abs%netbsd.org@localhost>
Subject: Re: something's wrong
From: Takahiro HAYASHI <t-hash%abox3.so-net.ne.jp@localhost>
Date: Sat, 23 Nov 2013 12:02:50 +0900
Hello,

On Tue, 5 Nov 2013 10:07:49 +0000
David Brownlee <abs%netbsd.org@localhost> wrote:

> I've noticed a recent netbsd-6 xen DOM0 hanging on similar big
> compiles (firefox24/25) if run while the DOMUs are active. Possibly
> unrelated, but just as a data point.

I saw NetBSD/amd64 6.1_STABLE dom0 panics once while installing
netbsd-6 by doing ./build install=/ , but cannot reproduce it.
It resembles kern/48372.


uvm_fault(0xffffffff806f5860, 0x0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff802d4bc0 cs e030 rflags 10206 cr2  10 cpl 8 rsp 
ffffa0001759bb80
kernel: page fault trap, code=0
Stopped in pid 0.9 (system) at  netbsd:vmem_xalloc+0x201:       movq    10(%rax)
,%rax
?
ds          fffd
es          f1d2
fs          bb70
gs          b880
rdi         6
rsi         ffffffff805d25b0    static_bts+0x5b0
rbp         ffffa0001759bc50
rbx         40000
rdx         0
rcx         fffffffd
rax         0
r8          0
r9          0
r10         fffffffffffff000
r11         0
r12         ffffffff805ceaf0    static_vmems+0x1090
r13         1000
r14         ffffffff805ceb08    static_vmems+0x10a8
r15         0
rip         ffffffff802d4bc0    vmem_xalloc+0x201
cs          e030
rflags      10206
rsp         ffffa0001759bb80
ss          e02b
netbsd:vmem_xalloc+0x201:       movq    10(%rax),%rax
db> bt
vmem_xalloc() at netbsd:vmem_xalloc+0x201
vmem_alloc() at netbsd:vmem_alloc+0x7f
bt_refill() at netbsd:bt_refill+0x14f
vmem_xalloc() at netbsd:vmem_xalloc+0x80
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
bt_refill() at netbsd:bt_refill+0x14f
vmem_xalloc() at netbsd:vmem_xalloc+0x80
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
bt_refill() at netbsd:bt_refill+0x14f
vmem_xalloc() at netbsd:vmem_xalloc+0x80
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0xf2
vmem_xalloc() at netbsd:vmem_xalloc+0xacd
vmem_alloc() at netbsd:vmem_alloc+0x7f
pool_page_alloc_meta() at netbsd:pool_page_alloc_meta+0x2c
pool_grow() at netbsd:pool_grow+0x33
pool_get() at netbsd:pool_get+0x47
pool_cache_put_slow() at netbsd:pool_cache_put_slow+0x18d
pool_cache_put_paddr() at netbsd:pool_cache_put_paddr+0x8f
mutex_obj_free() at netbsd:mutex_obj_free+0x40
vnfree() at netbsd:vnfree+0x4a
vrelel() at netbsd:vrelel+0x28e
cleanvnode() at netbsd:cleanvnode+0x13b
vdrain_thread() at netbsd:vdrain_thread+0x5f
db> 

Then xen kernel reboots due to watchdog timeout.

--
t-hash
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