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Subject: Re: mpt driver issue?
From: Scott Long <scottl@samsco.org>
In-Reply-To: <CA6234F2-C0BF-472E-B904-FFBAE0ED29F9@freebsd.org>
Date: Sun, 6 Nov 2016 15:46:03 -0700
Cc: Sean Bruno <sbruno@freebsd.org>,
 freebsd-scsi <freebsd-scsi@freebsd.org>
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To: Michael Tuexen <tuexen@FreeBSD.org>
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> On Nov 6, 2016, at 1:57 PM, Michael Tuexen <tuexen@FreeBSD.org> wrote:
> 
>> On 6 Nov 2016, at 20:41, Sean Bruno <sbruno@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