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    SubjectRe: [PATCH 3/5] libata: Implement disk shock protection support
    On Mon, 4 Aug 2008 16:28:32 +0200
    Gabor Gombas <gombasg@sztaki.hu> wrote:

    > On Fri, Aug 01, 2008 at 04:19:26PM +0900, Tejun Heo wrote:
    >
    > > However, SATA or not, there simply isn't a way to abort commands in ATA.
    > > Issuing random command while other commands are in progress simply is
    > > state machine violation and there will be many interesting results
    > > including complete system lockup (ATA controller dying while holding the
    > > PCI bus).
    >
    > A system lockup may be an acceptable compromise if that saves the
    > hardware. Maybe the kernel should explicitely panic unless the
    > controller/drive is known to be able to recover.

    We've already been told that the accelerometer will now and then randomly
    trigger due to other shock patterns like a bump. I don't want my laptop
    to panic randomly on train journeys thank you.

    Alan


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