Mark Lord wrote:
> I believe he said it was ICH5 (different post/thread).
> 
> My observation on ICH5 is that if one unplugs a drive,
> then the chipset/cpu locks up hard when toggling SRST
> in the EH code.
> 
> Specifically, it locks up at the instruction
> which restores SRST back to the non-asserted state,
> which likely corresponds to the chipset finally actually
> sending a FIS to the drive.
> 
> A hard(ware) lockup, not software.
> That's why Intel says ICH5 doesn't do hotplug.

OIC.  I don't think there's much left to do from the driver side then.
Or is there any workaround?

-- 
tejun
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