mpt driver issue?

[Scott Long]

> On Nov 6, 2016, at 1:57 PM, Michael Tuexen <tuexen at FreeBSD.org> wrote:
> 
>> On 6 Nov 2016, at 20:41, Sean Bruno <sbruno at freebsd.org> wrote:
>> 
>> 
>> 
>> On 11/06/16 10:54, Michael Tuexen wrote:
>>> Dear all,
>>> 
>>> it was suggested on current@ to forward this to freebsd-scsi@
>>> 
>>> The problem shows up since r308268 and it looks like an issue
>>> in the mpt driver...
>>> 
>>> Best regards
>>> Michael
>> 
>> I don't see any *obvious* reason that we should hold the mpt lock here.
>> It looks ok to just drop it.
> I tried that and the system (with WITNESS) panic'ed...
> Can't write a core (not a surprise).

Any info on where the panic was?

Scott