linux-kernel - Re: strange behavior on multimedia eject button for cdrom

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 2 Mar 2008 12:54:02 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Harald Dunkel <harald.dunkel@...nline.de>
Cc:	Mike@...han.net, linux-kernel@...r.kernel.org
Subject: Re: strange behavior on multimedia eject button for cdrom

On Sun, 02 Mar 2008 21:45:46 +0100
Harald Dunkel <harald.dunkel@...nline.de> wrote:

> Hi Mike,
> 
> Mike Keehan wrote:
> > 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 :)
> > 
> 
> Maybe there is some misunderstanding here: I am not playing music
> from the CD. It is idle. But if I press the CD eject button, then
> audio output (e.g. some mp3 file played from harddisk) gets
> corrupted, the network connection is dead, etc.
> 
> Ejecting the CD takes about 7 seconds. Durig this time Linux is
> dead! I haven't checked any SCHED_FIFO or SCHED_RR applications,
> but AFAIK this shouldn't happen.
> 
> If I run "eject cdrom" on the console instead, then there is no
> such problem.


try (temporarily) disable the hal storage polling thing.....
that could well avoid the entire issue.


-- 
If you want to reach me at my work email, use arjan@...ux.intel.com
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/