On Fri, Aug 01, 2008 at 04:19:26PM +0900, Tejun Heo wrote:

quoted text
> 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
     ---------------------------------------------------------
--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/