Re: Strange problem of /dev/cdrom disappearing under sid
On Saturday 12 November 2005 16:12, Alexis Sukrieh wrote:
> Hello,
>
> I'm experiencing a really strange issue there, with a laptop under a
> fresh sid system (installed from scratch two days ago).
>
> The laptop is an ASUS W3V, the CDROM device is a CDRW/DVD+R writer
> combo.
>
> First of all, the CDROM device works great: I can boot on the Sarge
> netinst CDROM, moreover it's well seen in the BIOS.
>
> Everything looks ok for the hardware: I can open it and when I put a CD
> media inside, the device starts cycling it as expected.
>
> Note that I used to use it for burning CDRWs and DVDs and for reading
> CDROM/DVDROM media. It used to work perfcectly.
>
> Since I had a problem with my hard disk (the partition table got
> corrupted during a crash), I had to reinstall a new system.
>
> I used the Sarge 3.1 netinst CDROM (so I booted on it), then
> dist-upgraded to Sid.
>
> By now, everything looks like I don't have any CDROM device:
>
> - The first thing I find really weird is that dmesg does not show any
> information about my CDROM device. There is simply nothing about it.
>
> - under udev, I just don't have /dev/hdc, neither the symlink /dev/cdrom
>
> - under hotplug, I have /dev/hdc but cannot mount any device: "not a
> valid block device". Moreover, eject does not work neither: "cannot
> open /dev/hdc".
>
> - cdrecord -scanbus shows nothing.
>
> All this is true with Debian kernels 2.6.12 and 2.6.14. I also tested a
> home-made 2.6.13 kernel and experienced exactly the same.
>
> I do have listed ide-detect, ide-cd and cdrom in my /etc/modules.
>
> Now the very strange part:
> If I boot on a 2.4.27 Debian kernel, the CDROM is seen, dmesg speaks
> about it...
>
> I'm investigating for more than 2 days now, and I would really welcome
> any idea that could help me getting back the device.
>
> Please CC me as I'm not subscribed to this list.
>
> Regards.
>
> --
> Alexis Sukrieh <sukria@sukria.net>
Did udev get upgraded?, installing with Sarge/kernel won't allow the version
of udev in sid to install, should show an error message. Install udev when
you have a 2.6.12+ kernel running.
--
Greg Madden
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