Messages in this thread | | | Date | Mon, 4 Aug 2008 15:13:33 +0100 | From | Alan Cox <> | Subject | Re: [PATCH 3/5] libata: Implement disk shock protection support |
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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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