8-stable crashes in vmware (possible em driver issue?)

Ivan Voras ivoras at freebsd.org
Thu Feb 25 12:08:03 UTC 2010


On 25 February 2010 02:31, Jack Vogel <jfvogel at gmail.com> wrote:
> Hmmm,  not sure what changes are in this, what if you use the 8.0 REL
> driver, does it still happen?

Yes, this is why it is now running 8-STABLE.

I have more FreeBSD guests on the same VMWare hosts which work fine,
but this is the only 64-bit one. I don't know if this information
helps.

>
>
> On Wed, Feb 24, 2010 at 4:23 PM, Ivan Voras <ivoras at 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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>
>


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