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SubjectRe: T500 cdrom drive never stops spinning until mount.
On 05/11/2010 08:35 PM, Nick Bowler wrote:
> The ThinkPad T500 has a SATA cdrom drive attached to an Intel ICH9M/M-E
> SATA ACHI controller. Upon inserting a disk into this drive, if sr-mod
> is loaded, the disk will never stop spinning by itself: it will spin up
> to full speed, then start slowing down, but just before it stops, it
> will spin up to full speed, then start slowing down, ad infinitum.
>
> If sr-mod is not loaded, the disk stops spinning right after insertion.
> It is only possible to remove sr-mod when the disk is spinning at full
> speed (all other times the module is in use), and then the disk stops.
>
> Mounting the disk also causes it to stop spinning (and it remains
> stopped after unmounting it).
>
> I see this behaviour with both 2.6.32 and 2.6.34-rc7.

Is something like hal, devicekit, etc. accessing the drive in this case?
Can you try a minimal boot with no unnecessary processes and see if the
same thing happens?


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