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    SubjectStill freezes with 2.0.23 and AHA2940 (aka AIC7xxx)

    I noticed, that there are many fixes for the aic7xxxx module in the
    current 2.0.23 patch. So I gave it another spin on my Dual-P200 server
    but no avail.

    The machine still gets a 'spurious interrupt' when trying to
    initialize the SCSI controller, then 'AIEEEEEE, killing interrupt
    handler' and a solid lockup. This happened all the way up from 2.0.13
    when the aic7xxx.c driver was bumped up to a new release.

    Currently I'm running an 2.0.21 with all aic7* Files copied to
    drivers/scsi from an 2.0.12 kernel. This works.

    My setup:

    Tyan Tomcat II board with 2 P200 CPUs

    AHA 2940Ultra controller with three IBM DFRS 2 GB harddisks (they're
    running as a RAID1 filesystem)
    ATI Mach 64 VGA board
    SMC Ultra Ethernet running @ 10 Mbit

    I'm quite frustrated with the current situation as this is our main
    fileserver and I do want to upgrade to 2.0.23 but the trick with the
    aic7xxx files doesn't work for 2.0.23 and the included driver crashes
    my machine.

    If I remove one Pentium, change the jumpers and boot a single-cpu
    version of this kernel, then everything works fine.

    I also tried the fast-smp patches from, the SCSI patches
    from Leonhard posted around here. No success.

    I do would appreciate help or a pointer to what I'm doing wrong. I
    want to upgrade this machine to a Dual-PPro somewhere around next


    Dipl.-Inf. Henning Schmiedehausen -

    ICONSULT Tandogan - Schmiedehausen - Egerer GbR Tel.: +49-9131-9047-12
    Memelstrasse 38 - D-91052 Erlangen Fax.: +49-9131-9047-77

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