Re: [Sheflug] CD-ROM woes...

[Richard Lowe <nospam [at] Btinternet.com>]

* Jos? Luis G?mez Dans (j.l.gomez-dans [at] sheffield.ac.uk) wrote:
> On Tue, Apr 17, 2001 at 08:02:19PM +0100, Alex Hudson wrote:
> > On Tue, Apr 17, 2001 at 06:38:50PM +0100, Jos? Luis G?mez Dans wrote:
> > Did you keep the old kernel kicking around? Have you tried testing the
> > CD-ROM with that? Did you also compile in all the fs extensions (joliet et
> > al)?
> 
> 	Yes, I had a "safe" kernel around (the Debian install kernel),
> and the problems are exactly the same. And I believe that all extensions
> are in there (Joliet, ISO9660).
> 
> > strace the mount command, see which system call fails. Check the cables to
> > the cdrom.
> 
> 	Interesting remark... Of the strace output, I can find about 500
> calls to the locale library... The offending bit seems to be here...
> 
> stat("/sbin/mount.iso9660", 0xbffff9fc) = -1 ENOENT (No such file or
> directory)
> rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV], NULL, 8) = 0
> mount("/dev/cdrom", "/cdrom", "iso9660",
> MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|0xc0ed0000, 0x805dbf8cdrom: open
> failed.
> ) = -1 ERRNO_123 (No medium found)


Well this looks like its trying open /dev/cdrom, which suggests you
tried mount -t iso9660 /dev/cdrom /cdrom, or the equivalent, with the
settings in /etc/fstab.

Does /dev/cdrom exist? and is it a symlink to the right device?


> 	This file, /sbin/mount.iso9660 isn't present here. However, this
> might be irrelevant, as mounting a MS-DOS partition looks for a similar
> file in /sbin which doesn't exist either, but mounts the thing.
> 
> > What has happened to you shouldn't happen :-)
> 
> 	I suspect a hardware problem, but I haven't open this ocmputer
> in _ages_, and it hasn't even been moved arond... Obviously, connectors
> are not what they used to :-)
> 
> 	thanks anyway,
> 	Jos?
> -- 
> Jos? L G?mez Dans			PhD student
> Tel: +44 114 222 5582			Radar & Communications Group
> FAX; +44 870 132 2990			Department of Electronic Engineering
> 					University of Sheffield UK
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