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Subject: Re: 9.2-RELEASE Kernel panic, mbuf underflow
From: Shawn Wallbridge <shawn@wallbridge.net>
In-Reply-To: <CAJ-Vmoke0goQxArD5BPvo1PK4hAd3euVOME4pBCD+douqo6nww@mail.gmail.com>
Date: Fri, 1 Nov 2013 17:24:08 -0700
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To: Adrian Chadd <adrian@freebsd.org>
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I tried building a kernel with INVARIANTS, but their is a known issue =
with INVARIANTS and 3Ware controllers..

http://www.freebsd.org/cgi/query-pr.cgi?pr=3D174684

I have built a new kernel with the fix mentioned in that PR, but I have =
to wait until EOD to boot into it.

shawn


On Oct 29, 2013, at 9:59 PM, Adrian Chadd <adrian@freebsd.org> wrote:

> Hi,
>=20
> How about adding
>=20
> options INVARIANTS
>=20
> .. to the kernel config, compile and reboot?
>=20
>=20
> -adrian
>=20
>=20
>=20
> On 29 October 2013 21:37, Shawn Wallbridge <shawn@wallbridge.net> =
wrote:
>> I have a file server that keeps panic=92ing with a mbuf cluster in =
the 17 Quadrillion range (2^64 - 2). I am pretty sure it=92s a buffer =
underflow.
>>=20
>> I have opened a PR, but I haven=92t had any movement on it. This =
happened while I was running 9.1-RELEASE as well.
>>=20
>> Here is the PR..
>>=20
>> http://www.freebsd.org/cgi/query-pr.cgi?pr=3D183424
>>=20
>> And I have uploaded the crash dumps here..
>>=20
>> http://www.wallbridge.net/crash/
>>=20
>> If anyone has any ideas, I would be grateful as this is a production =
box and it=92s really impacting us.
>>=20
>> shawn
>>=20
>>=20
>> _______________________________________________
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