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    SubjectRe: Hardlocks with 2.4.21-pre5, pdc202xx_new (PDC20269) and shared IRQs
    * Alan Cox <alan@lxorguk.ukuu.org.uk> [2003-03-20 14:51]:
    > On Thu, 2003-03-20 at 07:22, Wolfram Schlich wrote:
    > > Well, now I have trashed my array :-)
    > > -> http://marc.theaimsgroup.com/?l=linux-raid&m=104811878405765&w=2
    > >
    > > Btw., it spits out *lots* of messages when IRQ sharing is *disabled*
    > > in the kernel config and just dies quietly when it's *enabled*
    > > (having it dying before didn't mess up my array... ;)).
    >
    > I'll take a look. I have no promise docs however so there is little that
    > can be done for promise specific bugs if it looks that way.

    Should I contact some guy at Promise regarding that issue?

    > > ?! I'm using the onboard IDE for two CDROM drives and one smaller
    > > hard disk which I use rarely... and I didn't use any of these devices
    > > in the cases in which I had the described problems... Anyway, why should I
    > > connect a PS/2 mouse to the machine? Is it gonna solve all my
    > > problems at once? ;-)
    >
    > Probably not, but it will avoid a lockup with IDE DMA in a specific case

    This only affects onboard IDE usage?
    Argh, I start to hate this AMD-MP stuff.

    Btw., I get these messages from time to time (not often):
    --8<--
    APIC error on CPU1: 00(02)
    APIC error on CPU0: 00(02)
    --8<--
    Should I boot with "noapic" or "disableapic"? But I guess this is
    another issue...
    --
    Wolfram Schlich; Friedhofstr. 8, D-88069 Tettnang; +49-(0)178-SCHLICH
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