CD-ROM Issues
Matthew D. Cristantello
matt at crazy42.org
Tue Nov 11 20:50:12 EST 2003
See, this is what's really strange. The only difference I could find
between the kernel that works (2.4.18) and the new one is that IDE-SCSI
was enabled in the 2.4.18 kernel (but not being used on the CD) but
disabled in the 2.4.22 kernel. However, adding IDE-SCSI support to the
2.4.22 kernel didn't fix the problem.
ide-cd and iso9660 are definitely compiled into the kernel.
Are there any other kernel settings I should check for? Could it be an
issue with the system.map or config files associated with the kernels?
Thanks!
~Matt
On Sat, 2003-11-08 at 13:42, Robert Dege wrote:
> If it's kernel related, I'd check that you have to correct modules
> compiled/installed:
>
> iso9660.o and ide-cd.o
>
> Of course, they could also be compied in the kernel, but then again, you
> wouldn't be having this problem if they were.
>
> -Rob
>
> > Yeah, I went back to 2.2.17 kernel that shipped with Debian when I first
> > installed it, cd mounted and worked perfectly with all the same fstab
> > settings in my previous email.
> >
> > Anyone know if there are any new settings in the 2.4 kernels that deal
> > with cd-roms? I've been through it a few times now, but haven't been
> > able to figure out which settings might be wrong.
> >
> > Thanks,
> > ~Matt
> >
> > On Fri, 2003-11-07 at 21:46, Robert Todd wrote:
> > > Tried going back to an earlier kernel?
> > >
> > > -----Original Message-----
> > > From: owner-nflug at nflug.org on behalf of Matthew D. Cristantello
> > > Sent: Fri 11/7/2003 9:09 PM
> > > To: nflug at nflug.org
> > > Cc:
> > > Subject: CD-ROM Issues
> > >
> > >
> > >
> > > Hey All,
> > >
> > > I've been lurking on the mailing list for about a month now, am hoping
> > > you can help me with an inexplicable issue with my cdrom drive. Sorry
> > > about the length of this message, but I'm trying to include all relevant
> > > info.
> > >
> > > The short version is that whenever I put in a cd and try to mount it, my
> > > computer hard crashes. If I fiddle with /etc/fstab a bit and change the
> > > fstype to 'auto' instead of 'iso9660', it doesn't crash and I get an
> > > error message instead (details below).
> > >
> > > I'm running debian unstable (sid) fully up to date (I ran 'apt-get
> > > update' then 'apt-get dist-upgrade' today), on a 2.4.22 kernel.
> > > matt at mongoose:~$ uname -a
> > > Linux mongoose 2.4.22 #2 Thu Nov 6 20:41:31 EST 2003 i686 GNU/Linux
> > >
> > > I'm pretty sure the permissions to /dev/hdc are not the problem, as I've
> > > tried mounting both as me (matt, who is a member of the audio group) and
> > > as root. Permissions are as follows:
> > >
> > > matt at mongoose:~$ ls -al /dev/hdc
> > > brw-rw---- 1 root audio 22, 0 Jul 5 2000 /dev/hdc
> > >
> > > My entry in /etc/fstab is:
> > > /dev/hdc /cdrom auto defaults,ro,user 0 0
> > >
> > > but this entry causes the system to lock up on mounting:
> > > /dev/hdc /cdrom is09660 defaults,ro,user 0 0
> > >
> > > Here's what I get when I attempt to mount:
> > > matt at mongoose:~$ mount /cdrom/
> > > /dev/hdc: Input/output error
> > > mount: I could not determine the filesystem type, and none was specified
> > >
> > > The kernel is detecting the drive at boot, I get these messages from
> > > kern.log:
> > > Nov 6 23:05:21 mongoose kernel: hdc: SAMSUNG SCR-3232, ATAPI CD/DVD-ROM
> > > drive
> > > Nov 6 23:05:21 mongoose kernel: hdc: attached ide-cdrom driver.
> > > Nov 6 23:05:21 mongoose kernel: hdc: ATAPI 32X CD-ROM drive, 128kB
> > > Cache, DMA
> > > Nov 6 23:05:21 mongoose kernel: Uniform CD-ROM driver Revision: 3.12
> > >
> > > As suggested over at the LDP CDROM-HOWTO, I tried these commands and got
> > > the following results:
> > > matt at mongoose:~$ dd if=/dev/cdrom of=/dev/null bs=2048
> > > dd: reading `/dev/cdrom': Input/output error
> > > 0+0 records in
> > > 0+0 records out
> > > 0 bytes transferred in 3.295555 seconds (0 bytes/sec)
> > > matt at mongoose:~$ dd if=/dev/hdc of=/dev/null bs=2048
> > > dd: reading `/dev/hdc': Input/output error
> > > 0+0 records in
> > > 0+0 records out
> > > 0 bytes transferred in 4.065978 seconds (0 bytes/sec)
> > >
> > > The thing that really confuses me is that my cd drive worked fine a few
> > > months ago (this has been an ongoing problem), but it worked perfectly
> > > when I put in a Knoppix CD last night and booted off that. So it's
> > > definitely something wrong with my kernel or system configuration, but I
> > > can't figure out what.
> > >
> > > Thanks in advance for your help!
> > > ~Matt
> > >
> > >
> > > ****************************************************************************
> > > "Technological progress has merely provided us with more efficient means
> > > for going backwards."
> > > -Aldous Huxley
> > > ****************************************************************************
> > > Matthew D. Cristantello
> > > matt at crazy42.org
> > > 716-472-3833 (cell)
> > > AIM: Matt977
> > > ****************************************************************************
> > >
> > >
> > ****************************************************************************
> > "don't let the world wrap up around you, don't forget to call whenever,
> > i'll be here just waiting for you, i'll be under your stars forever,
> > neither here, nor there, just right beside you"
> > -Smashing Pumpkins
> > ****************************************************************************
> > Matthew D. Cristantello
> > matt at crazy42.org
> > 716-472-3833 (cell)
> > AIM: Matt977
> > ****************************************************************************
> >
> >
>
>
>
> Dege
>
> I'm just not up2date on my al-kee-hol-*hic* lingo
> Although, I do have that slurring part down ;)
****************************************************************************
"Yet you cannot allow uncertainty to paralyze you."
-Elegos A'kla (Zahn)
****************************************************************************
Matthew D. Cristantello
matt at crazy42.org
716-472-3833 (cell)
AIM: Matt977
****************************************************************************
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