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Date:      Wed, 24 Feb 2010 17:31:33 -0800
From:      Jack Vogel <jfvogel@gmail.com>
To:        Ivan Voras <ivoras@freebsd.org>
Cc:        freebsd-net@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: 8-stable crashes in vmware (possible em driver issue?)
Message-ID:  <2a41acea1002241731w723406c3q7ab9aa79a2f92af5@mail.gmail.com>
In-Reply-To: <hm4fug$vku$1@dough.gmane.org>
References:  <hjg291$tvj$1@ger.gmane.org> <hm4fug$vku$1@dough.gmane.org>

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Hmmm,  not sure what changes are in this, what if you use the 8.0 REL
driver, does it still happen?

Regards,

Jack


On Wed, Feb 24, 2010 at 4:23 PM, Ivan Voras <ivoras@freebsd.org> wrote:

> Ivan Voras wrote:
>
>> I have a fairly recent 8-stable machine running under VMWare ESXi 3.5
>> (amd64 guest), which apparently crashes every few days from the same causes:
>>
>> em0: discard frame w/o packet header
>> em0: discard frame w/o packet header
>> em0: discard frame w/o packet header
>> Panic string: sbsndptr: sockbuf 0xffffff007cca8c20 and mbuf
>> 0xffffff00490a6400 clashing
>>
>
> In case someone is interested or has an idea - on this machine I have
> multiple crashed cores with similarily strange problems all connected with
> networking and/or the em driver:
>
> 1)
> em0: watchdog timeout -- resetting
> Fatal trap 12: page fault while in kernel mode
> current process         = 0 (em0 taskq)
>
> 2)
> em0: watchdog timeout -- resetting
> Fatal trap 9: general protection fault while in kernel mode
> current process         = 1219 (slapd)
>
> 3)
>
> em0: discard frame w/o packet header
> panic: sbdrop
>
> I'm scratching my head about the #2 above - I don't think trap#9 is usual.
>
>
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