Bug#280112: Certain IDE drivers need the help of ide-generic to recognize CD-ROMs

[Horms <horms@debian.org>]

On Sun, Nov 07, 2004 at 03:24:34PM +0500, Alexander E. Patrakov wrote:
> Package: kernel
> Version: 2.6.7-1-686
> Severety: minor
> 
> (This report has been sent because Marco d'Itri told me to do so on 
> linux-hotplug-devel list. Feel free to say "not a bug".)
> 
> Marco d'Itri wrote the IDE hardware detection script for inclusion into the 
> "hotplug" package: http://article.gmane.org/gmane.linux.hotplug.devel/6003
> 
> However, I reported that his script won't work on my old SCSI-based server. 
> Hardware of my old server:
> 
> Full thread:
> 
> http://article.gmane.org/gmane.linux.hotplug.devel/6003
>   http://article.gmane.org/gmane.linux.hotplug.devel/6013
>     http://article.gmane.org/gmane.linux.hotplug.devel/6018
>       http://article.gmane.org/gmane.linux.hotplug.devel/6025
>     http://article.gmane.org/gmane.linux.hotplug.devel/6031
>       http://article.gmane.org/gmane.linux.hotplug.devel/6032
> 
> This server has a LSI Logic SCSI adapter (with two hard disks attached) and a 
> ServerWorks IDE adapter with one attached CD-ROM drive (that shoud appear 
> as /dev/hda). For some strange reason, to use this CD-ROM, I must have both 
> serverworks (loaded by hotplug), ide_generic (currently mentioned 
> in /etc/modules) and ide_cd (to be loaded by the ide.rc script by Marco 
> d'Itri, currently just mentioned in /etc/modules) modules loaded.
> 
> With all those modules loaded, I get:
> 
> ds:~# ls /proc/ide/*/media
> /proc/ide/hda/media
> ds:~# cat /proc/ide/hda/media
> cdrom
> 
> Marco d'Itri said that it's a bug that I have to place ide-generic 
> into /etc/modules in order to use the CD-ROM drive, that's why I mailed this 
> report. This bug is specific to serverworks IDE module, cannot be reproduced 
> on via82cxxx (i.e. there is no need to load ide-generic to use IDE CD-ROMs 
> with VIA IDE controllers).
> 
> Solution proposed by Marco d'Itri: kernel-image-2.6.x packages should add the 
> following line to /etc/modprobe.d/kernel-image-(version):
> 
> install serverworks /sbin/modprobe --ignore-install serverworks && 
> { /sbin/modprobe ide-generic; /sbin/modprobe ide-cd; }
> 
> (although I would rather omit  /sbin/modprobe ide-cd if Marco includes his 
> ide.rc file into the hotplug package)
> 
> I am using Debian Sarge and the kernel is 2.6.7-1-686 on that server. Output 
> of lspci:

I would be more interested in resolving the driver bug that causes
the serverworks driver to ignore or otherwise not manage the device.

2.6.7-1-686 is old and no longer maintained. Are you able to 
reproduce this with 2.6.8-1-686 or 2.6.9-1-686?


-- 
Horms