Messages in this thread | | | Date | Mon, 4 Aug 2008 16:28:32 +0200 | From | Gabor Gombas <> | Subject | Re: [PATCH 3/5] libata: Implement disk shock protection support |
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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.
Gabor
-- --------------------------------------------------------- MTA SZTAKI Computer and Automation Research Institute Hungarian Academy of Sciences ---------------------------------------------------------
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