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From: Mike Keehan <Mike@Keehan.net>
To: Harald Dunkel <harald.dunkel@t-online.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: strange behavior on multimedia eject button for cdrom
Date: Fri, 29 Feb 2008 12:47:09 +0000	[thread overview]
Message-ID: <47C7FECD.3040205@Keehan.net> (raw)
In-Reply-To: <47C15020.8040806@t-online.de>

Hi Harold.

Somewhere on the web I read that some of the M1330 media keys are 
directly connected to the drive, hence the lack of keycodes.

If you eject a disk while it is being played, then the Linux driver 
will get a read failure.  What happens then may not be well defined :)

Mike.


Harald Dunkel wrote:
> Hi folks,
> 
> My laptop (Dell XPS M1330) has some multimedia keys added to the
> keyboard, including an eject button for the cdrom drive, instead
> of a "regular" eject button built into the drive itself.
> 
> When I press it to eject a CD, then Linux becomes pretty mad: The
> audio device gets stuck somehow, playing the same tune over and
> over again, the network connection is frozen, etc. Once the CD is
> out it is back to normal, as it seems.
> 
> I would guess that the eject button triggers some bios functionality,
> outside of the control of the kernel. But is it? How comes that
> Linux seems to loose control in this case?
> 
> Kernel is 2.6.24.2 (amd64).
> 
> AFAICS this eject button has no keycode. The other multimedia keys
> have.
> 
> 
> Any helpful idea would be very welcome.
> 
> 
> Regards
> 
> Harri
> 
> -- 
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> 
> 



  reply	other threads:[~2008-02-29 12:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-24 11:08 strange behavior on multimedia eject button for cdrom Harald Dunkel
2008-02-29 12:47 ` Mike Keehan [this message]
2008-03-02 20:45   ` Harald Dunkel
2008-03-02 20:54     ` Arjan van de Ven
2008-03-03 21:58       ` Harald Dunkel
2008-03-04  5:53         ` Harald Dunkel
2008-03-03 20:15     ` Mike Keehan
2008-03-03 21:44       ` Harald Dunkel
2008-03-06 11:23         ` Mike Keehan

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