Re: No cdrom device
On 2011-12-23 20:14:32 -0500, Ed Jabbour wrote:
> On Friday, December 23, 2011 7:32:22 PM Vincent Lefevre wrote:
> >Yes, /dev/scd0 disappeared after a recent upgrade (after 2011-11-17).
>
> Why do I still get error msgs referring to scd0??
Perhaps because it is mentioned in /etc/fstab?
> > Running lshw *as root* says which /dev files can be used.
> > In my case:
> >
> > *-cdrom
> > description: DVD-RAM writer
> > product: DVD+-RW TS-U633A
> > vendor: TSSTcorp
> > physical id: 1
> > bus info: scsi@1:0.0.0
> > logical name: /dev/cdrom
> > logical name: /dev/cdrw
> > logical name: /dev/dvd
> > logical name: /dev/dvdrw
> > logical name: /dev/sr0
> > version: D300
> > capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
> > configuration: ansiversion=5 status=nodisc
> >
> > I've chosen to use /dev/cdrom in case /dev/sr0 would be replaced
> > by something else.
>
> lshw output in my case has no *cdrom entry at all.
Note: I recall that lshw must be run as root (if I run lshw as a
normal user, I don't get a *-cdrom entry either). Otherwise perhaps
your drive is not recognized.
> I rebooted, opened the tray manually, inserted a Knoppix disk and
> set the BIOS to boot off the cdrom drive. No luck - booted from the
> hard drive.
>
> Also, modprobe sr_mod gave me sg0 in /dev (?). mount /dev/sg0
> /mnt/cdrom gave mount: /dev/sg0 is not a block device
>
> This is getting wierder and wierder.
Here I don't need "modprobe sr_mod". It is loaded automatically.
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / Arénaire project (LIP, ENS-Lyon)
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