[Pkg-utopia-maintainers] Bug#582288: Bug#582288: udisks: Inhibit polling failed: Media detection cannot be inhibited

Michael Biebl biebl at debian.org
Tue May 25 12:41:49 UTC 2010


On 25.05.2010 14:30, Ritesh Raj Sarraf wrote:
> On Monday 24 May 2010 10:52:25 Ritesh Raj Sarraf wrote:
>>>> Hi, Can the maintainer confirm the bug at least ?
>>>> I am holding laptop-mode-tools from a release because of this.
>>>
>>>
>>>
>>> No, I cannot reproduce this bug.
>>
>> Thanks Michael.
>>
>> I guess then it must be a policykit authorization problem on my box.
> 
> 
> What should this be interpreted as?
> 
> ========================================================================
> Showing information for /org/freedesktop/UDisks/devices/sr0
>   native-path:                 
> /sys/devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0
>   device:                      11:0
>   device-file:                 /dev/sr0
>     presentation:              /dev/sr0
>     by-path:                   /dev/disk/by-path/pci-0000:00:1f.2-scsi-1:0:0:0
>   detected at:                 Sat 22 May 2010 10:03:48 PM IST
>   system internal:             0
>   removable:                   1
>   has media:                   0
>     detects change:            1
>     detection by polling:      0
>     detection inhibitable:     0
>     detection inhibited:       0

First of all: why do you want to disable polling? Does it cause any problems?
Second, are you sure, udisks is actually polling your drive?
You probably have a SATA AN capabable drive, which does not need polling and
instead sends (udev) uevents on media changes.
That's why you can't disable polling, as it actually doesn't poll :-)

Do you have a file evt_media_change in /sys/class/block/sr0 ?

Cheers,
Michael

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

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