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    SubjectRe: Samsung N130 ATA exception after 5min uptime -- Phoenix FailSafe issue?
    On Wed, Dec 30, 2009 at 01:04:28PM +0100, Hans Werner wrote:
    >
    > testing in the Arch Linux Forums has shown that if one applies
    > a patch which you posted to the linux-ide ML on 2008-11-21
    > then the problem is no longer seen. Instead the kernel log shows
    > that a spurious IRQ was cleared.
    >
    > [PATCH #upstraem-fixes] ata_piix: detect and clear spurious IRQs
    > http://marc.info/?l=linux-ide&m=122724081603679&w=2
    > http://bbs.archlinux.org/viewtopic.php?id=86454
    >
    > What's the current status of this patch? Is it safe to use?
    > What does it tell us about the Samsung N130/140?

    FWIW, I just tested a current git kernel (v2.6.33-rc2-268-g45d28b0)
    with Tejun's patch applied on my N130. The ATA exception and hang is
    indeed gone, just "ata1: clearing spurious IRQ" is logged.

    I've see Tejun's comment in
    http://bugzilla.kernel.org/show_bug.cgi?id=14314
    and I would like to add that the ATA irq is not shared.

    14: 43885 0 IO-APIC-edge ata_piix
    15: 0 0 IO-APIC-edge ata_piix


    Thanks,
    Johannes


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