Re: udev cdrom_id rules prevent unmounted CD from spinning down

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On 23:27 Thu 13 May     , Kay Sievers wrote:
> On Thu, May 13, 2010 at 22:13, Nick Bowler <nbowler@xxxxxxxxxxxxxxxx> wrote:
> > On 18:27 Thu 13 May     , Marco d'Itri wrote:
> >> On May 13, Nick Bowler <nbowler@xxxxxxxxxxxxxxxx> wrote:
> >>
> >> > The cdrom_id udev rules seem to be preventing the cdrom drive on my
> >> Which udev release are you using?
> >
> > I was using 151, but I just upgraded to 154 and the problem persists.
> 
> Does:
>   udevadm monitor
> print something?

Yes (copied by hand):

KERNEL[1273786356.346839] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi)
UDEV  [1273786356.352880] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0 (block)
KERNEL[1273786356.357396] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0 (block)
UDEV  [1273786356.361771] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi)
UDEV  [1273786356.595945] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0 (block)
KERNEL[1273786361.162051] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi)
KERNEL[1273786361.166466] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0 (block)

and it spews out a bunch like this every time the disk spins back up.

> Does killing udevd changes the issue?

Yes, after killing udevd the disk stops spinning.

-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
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