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

[Grzegorz Junka]

On 03/05/2020 15:13, Gary Jennejohn wrote:
> On Sun, 3 May 2020 14:11:09 +0100
> Grzegorz Junka <list1 at gjunka.com> wrote:
>
>> I don't have a partition that I could use for swap. I have two whole
>> disks added to ZFS. Maybe on the boot drive but that would require
>> repartitioning and I have Windows/FreeBSD there, so not so straightforward.
>>
> As the dumpon man pages states, by the time a crash dump is needed the
> files systems are dead.  No way to dump to a ZFS file system.  That's
> why a raw partition is required.
>
> The other option would be netdump.  See the dumpon man page.
>

I will consider a separate partition next time I partition my disk. For 
now I will have to ignore panics and dumps. I tried netdump and it 
didn't work - it couldn't ARP the netmapd server.

--GrzegorzJ