Kernel Panic

[Joe Jones]

Hi Kristof,

yes we use pfsync. Yesterday we tried with pfsync switched off, the box 
still locked up but this time without a panic.

We make the DIOCRADDADDRS ioctl on the master and the backup (we use 
CARPed pairs).

Regards Joe Jones

On 01/03/18 03:00, Kristof Provost wrote:
> 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