Re: kernel BUG at tg3.c:1557

Date: Wed Aug 07 2002 - 14:52:24 EST

I just tried this on a dual Athlon box with two 7850's in it
and a 3C996B-T as well. Lucky for me though, this
error did not show up. I transfered/received two 800MB files
to the RAID and it held up ok. What driver version are you
using? Or even kernel version.


Roland Kuhn wrote:

>Dear kernel hackers!
>I've been chasing this bug now for weeks without further ideas, so please
>tell me your thoughts about it:
>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?
>How can I get more debugging information?
>Can the driver be patched to gracefully handle this situation, e.g. by
>resetting the card and trying again?
>What I've found out till now is only that the kernel's and the NIC's view
>of the world seem to be inconsistent :-(
>For our application stability is much more important than a few TCP
>Thanks in advance,
> Roland
>| TU Muenchen | |
>| Physik-Department E18 | Raum 3558 |
>| James-Franck-Str. | Telefon 089/289-12592 |
>| 85747 Garching | |
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