CD-ROM Issues
Robert Dege
rdege at cse.Buffalo.EDU
Tue Nov 11 22:36:27 EST 2003
Are there any boot parameters being used between the 2 kernels?
Also, make sure the CD-Rom is found. What does dmesg show? It should
show your CD-Rom, and what device it's bound to.
-Rob
> 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
> ****************************************************************************
>
>
Dege
I'm just not up2date on my al-kee-hol-*hic* lingo
Although, I do have that slurring part down ;)
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