On Thu, 2006-02-02 at 13:37 +0000, Mike Crowe wrote:
>> I'm running the Debian 2.6.15 kernel from backports.org on a
>> machine with two Opteron 275s. I am getting a BUG in tg3.c quite
>> reliably if I ping flood the machine from a few others and cause a
>> bit of other network activity. Sometimes it takes a few minutes,
>> sometimes half an hour. The BUG also fires in more realistic
>> situations - it just takes longer to reproduce.
 
On Thu, Feb 02, 2006 at 08:01:57AM -0800, Michael Chan wrote:
> Most likely due to MMIO being re-ordered. We've seen this on a number of
> AMD machines.
> 
> Please try this test patch below. If the problem goes away, send me the
> output of lspci -vvvxxx on your machine and I'll create a patch to fix
> this automatically on your machine. Thanks.

It looks like the machine had "issues". After a bit of fiddling around
I've persuaded the problem to go away both with and without the
patch. It doesn't look like it was caused by the MMIO being reordered
unless this is a BIOS option that I've now turned off.

Thanks for your help anyway.

-- 
Mike Crowe
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