Re: panic: Assertion lock == sq->sq_lock failed at /usr/src-13/sys/kern/subr_sleepqueue.c:371

From: Grzegorz Junka <list1_at_gjunka.com>
Date: Sun, 3 May 2020 00:15:48 +0100
On 02/05/2020 20:43, Chris wrote:
> On Sat, 2 May 2020 20:19:56 +0100 Grzegorz Junka list1_at_gjunka.com said
>
>> On 02/05/2020 14:56, Grzegorz Junka wrote:
>> >
>> > On 02/05/2020 14:15, Grzegorz Junka wrote:
>> >> cpuid = 3
>> >>
>> >> time = 1588422616
>> >>
>> >> KDB: stack backtrace:
>> >>
>> >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >> 
>> 0xfffffe00b27e86b0
>> >>
>> >> vpanic() at vpanic+0x182/frame 0xfffffe00b27e8700
>> >>
>> >> panic() at panic+0x43/frame ...
>> >>
>> >> sleepq_add()
>> >>
>> >> ...
>> >>
>> >> I see
>> >>
>> >> db>
>> >>
>> >> in the terminal. I tried "dump" but it says, Cannot dump: no dump 
>> >> device specified.
>> >>
>> >> Is there a guide how to deal wit those, i.e. to gather information 
>> >> required to investigate issues?
>> >
>>
>> Another thing is that I don't quite understand why the crash couldn't 
>> be dumped.
>>
>> root_at_crayon2:~ # swapinfo
>> Device          1K-blocks     Used    Avail Capacity
>> /dev/zvol/tank3/swap  33554432        0 33554432     0%
>>
>> There is no entry in /etc/fstab though, should it be there too?
>
> How about your rc.conf(5) ?
>
> You need to define a dumpdev within it as:
>
> # Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
> dumpdev="YES"
>
> Which defaults to the location of:
>
> /var/crash
>

Yes, of course I have 'dumpdev="AUTO"'. Should it be "YES" instead?
Received on Sat May 02 2020 - 21:15:57 UTC

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