Kernel Panic

Kristof Provost kristof at sigsegv.be
Thu Mar 1 03:00:53 UTC 2018


On 28 Feb 2018, at 9:52, Kristof Provost wrote:
> On 27 Feb 2018, at 20:40, Joe Jones wrote:
>> we have a kernel panic after compiling with witness and invariant
>>
>> Feb 27 13:49:33 sovapn1 kernel: lock order reversal:
>> Feb 27 13:49:33 sovapn1 kernel: 1st 0xfffffe000fed78b8 pf_idhash 
>> (pf_idhash) @ /usr/src/sys/netpfil/pf/pf.c:1078
>> Feb 27 13:49:33 sovapn1 kernel: 2nd 0xfffff8001e0474a8 pfsync 
>> (pfsync) @ /usr/src/sys/netpfil/pf/if_pfsync.c:1667
>
> That’s a lock order reversal. It’s not good, but it should at 
> worst result in a deadlock. Did the system stop after this?
> It also looks like a different problem from the panic you initially 
> reported.
>
Also, do you actively use pfsync in this setup? Does the panic happen on 
the box where you DIOCRADDADDRS or the other(s)?

Regards,
Kristof


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