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    Subjectkernel BUG at tg3.c:1557
    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,

    | TU Muenchen | |
    | Physik-Department E18 | Raum 3558 |
    | James-Franck-Str. | Telefon 089/289-12592 |
    | 85747 Garching | |

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