Re: kernel BUG at tg3.c:1557

From: Alan Cox (
Date: Wed Aug 07 2002 - 08:14:37 EST

On Wed, 2002-08-07 at 12:40, Roland Kuhn wrote:
> On a dual Athlon MP with a 3ware-7850 RAID (640GB RAID-5) and 3C996B-T GE
> NIC I can crash the machine with the above BUG message in virtually no
> time simply by copying data both ways between the RAID and the NIC. The
> BUG message shows that this can happen any time, it doesn't matter if the
> interrupt is received in cpu_idle or something else. I tried noapic, but
> to no avail.
> Does anybody know about this problem?

I've never been able to get a broadcom chipset ethernet card stable on a
dual athlon with AMD 76x chipset. I have no idea what the problem is
although it certainly appears to be PCI versus main memory ordering

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