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

On 02/25/10 01:23, Ivan Voras 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:

....

It looks like the most probable culprit are stf (6to4) support and/or 
something dealing with stf routing (the machine was a stf gateway for a 
small subnet). When disabled, the crashes stop.


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