Another exciting panic on today's --current amd64...

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

Hi,

I got today:
....
Reader / writer lock error: rw_vector_exit,453: assertion failed:
RW_COUNT(rw) != 0

lock address : fffff040f988fa80
current cpu  :                  2
current lwp  : 0xfffff040ea7ba780
owner/count  : 000000000000000000 flags    : 000000000000000000

panic: lock error: Reader / writer lock: rw_vector_exit,453: assertion
failed: RW_COUNT(rw) != 0: lock 0xfffff040f988fa80 cpu 2 lwp
0xfffff040ea7ba780
cpu2: Begin traceback...
vpanic() at netbsd:vpanic+0x173
panic() at netbsd:panic+0x3c
lockdebug_abort() at netbsd:lockdebug_abort+0x114
rw_vector_exit() at netbsd:rw_vector_exit+0xcf
zfs_netbsd_getpages() at zfs:zfs_netbsd_getpages+0x364
VOP_GETPAGES() at netbsd:VOP_GETPAGES+0x58
uvm_fault_internal() at netbsd:uvm_fault_internal+0x18d9
trap() at netbsd:trap+0x480
--- trap (number 6) ---
7c2d2a20ce24:
cpu2: End traceback...
....

The last few panics I've had on this host were always around the
2.5GB/s Realtek adapter, but this is different apparently.

I doubt it is insufficient memory, it is a 16GB machine, but it was
building pkgsrc bits at the time.

Chavdar

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