svn: stable/7/sys: conf dev/bce

Maxim Sobolev sobomax at
Tue Dec 1 22:19:24 UTC 2009

Tom Judge wrote:
> Hash: SHA1
> Maxim Sobolev wrote:
>> Stanislav Sedov wrote:
>>> On Mon, 30 Nov 2009 13:25:03 -0800
>>> Maxim Sobolev <sobomax at> mentioned:
>>>> Can we change the name then? We've seen the similar issue without the
>>>> jumbo frames, which made me wonder.
>>> It's strange, because 'normal' frames are less than a page size in
>>> length,
>>> so the issue I was experiencing should not be reproducable with jumbo
>>> frames
>>> disabled.  Can you describe a bit more what kind of problem you're
>>> experiencing?
>> The traffic through interface abruptly halts randomly when under a load,
>> without any signs of a problem. What is interesting is that the
>> communication through unix domain sockets appears to be down too, since
>> some scripts that connect to database not able to complete as well, so
>> whatever this problem is it affect the whole network subsystem. We tried
>> to replace hardware and it did not help. Only after we replaced bce(4)
>> with IntelPro card (em) the problem has went away.
> When you see this lock up do you also see denied requests for mbufs?
> All the times I have seen the issue, the system was denying mbuf requests.

Not sure about that, since we only have had network connection to that 
box, no console. However, I think that the problem with the other 
network subsystems that we see at the same time suggests that it might 
be an issue with the mbufs indeed.


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