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Date:      Mon, 1 Apr 2013 05:25:50 -0700
From:      Jeremy Chadwick <jdc@koitsu.org>
To:        Ryan McIntosh <rmcintosh@nitemare.net>
Cc:        freebsd-stable@freebsd.org, Xin LI <d@delphij.net>
Subject:   Re: 9.1-REL Supermicro H8DCL-iF kernel panic
Message-ID:  <20130401122550.GA7367@icarus.home.lan>
In-Reply-To: <CAEoCk-MmOhs2Wor_ts3w0_C%2BKiu_TeB=Hv_knkqknr9-SxuLuA@mail.gmail.com>
References:  <CAEoCk-Pjfd-kkBnmbXnxbbsXxiu1PSrBzqW22y14utGBLaux0g@mail.gmail.com> <515937BF.9010805@delphij.net> <CAEoCk-N__WL%2BrLaYBFjHOuzaRg32h%2BxRYDB=KcqsoccH%2BHgSEA@mail.gmail.com> <51593BB8.4020403@delphij.net> <CAEoCk-MmOhs2Wor_ts3w0_C%2BKiu_TeB=Hv_knkqknr9-SxuLuA@mail.gmail.com>

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On Mon, Apr 01, 2013 at 05:45:48AM -0400, Ryan McIntosh wrote:
> I can confirm that works as intended. I appreciate the prompt response and
> it looks like there's a real fix.
> 
> For google reference for anyone else searching..
> 
> Motherboard: Supermicro H8DCL-iF
> OS: FreeBSD 9.1-RELEASE
> 
> Boot message:
> panic: m_getzone: m_getjcl: invalid cluster type
> cpuid = 0
> KBD: stack backtrace:
> #0 0xffffffff809208a6 at kdb_backtrace+0x66
> #1 0xffffffff808ea8be at panic+0x1ce
> #2 0xffffffff804ad5a7 at em_refresh_mbufs+0x207
> #3 0xffffffff804adb7f at em_rxeof+0x47f
> #4 0xffffffff804adca4 at em_msix_rx+0x24
> #5 0xffffffff808be8d4 at intr_event_execute_handlers+0x104
> #6 0xffffffff808c0076 at ithread_loop+0xa6
> #7 0xffffffff808bb9ef at fork_exit+0x11f
> #8 0xffffffff80bc368e at fork_trampoline+0xe
> 
> Panic image from H8DCl-iF:
> http://nitemail.net/img/crash91-h8dcl-if.png
> 
> Original image from X8DTU-6+:
> http://www.grosbein.net/img/crash-91rc.png
> 
> As per Xin Li, which seems to work:
> http://svnweb.freebsd.org/base/head/sys/dev/e1000/if_em.c?r1=238214&r2=239304&view=patch
> 
> References:
> http://lists.freebsd.org/pipermail/freebsd-stable/2011-September/063958.html
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/172113
> 
> 
> Thanks again,
> 
> Ryan McIntosh
> e: rmcintosh@nitemare.net
> 
> 
> On Mon, Apr 1, 2013 at 3:48 AM, Xin Li <delphij@delphij.net> wrote:
> 
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA256
> >
> > On 4/1/13 12:34 AM, Ryan McIntosh wrote:
> > > I could try that patch, however that was intended for if_igb.c
> > > which for my system (and the panic's are almost identical except
> > > if_em for me) I'd have to apply that fix to if_em.c and I haven't
> > > looked at the source just yet. If you can give me a patch I'll do
> > > apply and test it shortly though.
> >
> > Try this:
> >
> > http://svnweb.freebsd.org/base/head/sys/dev/e1000/if_em.c?r1=238214&r2=239304&view=patch

Jack Vogel has stated it's not a "real fix" (your words) but rather a
"bandaid", for both igb(4) and em(4).  The commit messages (for r238214
and r239304) contain details:

http://svnweb.freebsd.org/base/head/sys/dev/e1000/if_em.c#rev238214
http://svnweb.freebsd.org/base/head/sys/dev/e1000/if_em.c#rev239304

-- 
| Jeremy Chadwick                                   jdc@koitsu.org |
| UNIX Systems Administrator                http://jdc.koitsu.org/ |
| Mountain View, CA, US                                            |
| Making life hard for others since 1977.             PGP 4BD6C0CB |



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