udisks polling makes LTN403L CD-ROM drive click

Michael Biebl mbiebl at gmail.com
Wed Jan 20 03:12:21 PST 2010


2010/1/20 Michael Biebl <mbiebl at gmail.com>:
> 2010/1/20 Marti Raudsepp <marti at juffo.org>:
>> Hi list,
>>
>> I'm using the latest git version of udisks (rev c8076f0) on a
>> temporary machine, which has a LTN403L IDE CD-ROM drive. Due to udisks
>> polling the drive, the drive flashes its activity light and physically
>> clicks every 5 seconds which gets annoying fast. :)
>> This happens regardless of whether there is a disc in the drive.
>>
>> Also when I eject the tray, it pullsback in straight away.
>>
>> While running "udisks --inhibit-polling /dev/hdd", this behavior stops.
>>
>> HAL polling does not cause this behavior; I can see
>> "hald-addon-storage: polling /dev/hdd (every 2 sec)" in process list
>
> UDisks/DeviceKit-disks does not support the old ide(-cd) subsystem.
> One reason is, that ide-cd does not provide any uevents on media changes.
>
> I wrote a patch for Debian [1] which pokes the device and fakes
> uevents if it detects media changes.
>
> You might be interested in porting that patch to UDisks.

Or upgrade your system to use libata only.

Michael


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?


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