[Pkg-utopia-maintainers] Bug#456214: [PATCH] HAL polling, cd drives and wakeups

David Zeuthen david at fubar.dk
Thu Apr 3 23:49:09 UTC 2008


On Thu, 2008-04-03 at 10:38 -0400, Doug Goldstein wrote:
> Now I could be wrong (I'm not too well versed in hardware specs and 
> driver bits). I was under the impression that MMC-2 ATAPI provides for a 
> Media Status Notification. Which is a polled condition. However, the 
> device should emit an Unit Attention Condition when a disc *may* have 
> been removed. Which basically means, the device should emit a notice 
> when the drive door opens and closes to tell you that the media may have 
> changed.
> 
> As the bug report explains now, HAL is checking for the drive door to be 
> closed. Instead of relying on the Unit Attention Condition notice.

Except that approximately 0% of the drives out there support that
command properly. See 'man hal-disable-polling' for the longer story.

     David







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