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[Bug 998624] Re: I cannot mount a particular cd-rom normally


crf, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .

If it remains an issue, could you please just make a comment to this.

Also, could you please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:

where VERSION-NUMBER is the version number of the kernel you tested. For example:

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:

If the mainline kernel does not fix this bug, please add the following tags:

As well, please remove the tag:

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your

** Tags added: latest-bios-a14 needs-upstream-testing

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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  I cannot mount a particular cd-rom normally

Status in “linux” package in Ubuntu:

Bug description:
  When I stick a particular cd into my computer, Ubuntu is not mounting
  it. (Most CDs work, not this one though.)

  If I try on the command line:
  chris@dellie-linux:~$ sudo mount -t iso9660 /dev/sr0 /home/chris/testing
  [sudo] password for chris:
  mount: block device /dev/sr0 is write-protected, mounting read-only
  mount: wrong fs type, bad option, bad superblock on /dev/sr0,
         missing codepage or helper program, or other error
         In some cases useful info is found in syslog - try
         dmesg | tail  or so

  same message with
  chris@dellie-linux:~$ sudo mount /dev/sr0 /home/chris/testing

  In the syslog
  May 12 22:34:18 dellie-linux kernel: [ 2237.212710] ISOFS: Unable to identify CD-ROM format.

  But the following works to mount the cd

  chris@dellie-linux:~$ sudo mount -o loop /dev/sr0 /home/chris/testing/
  [sudo] password for chris:
  chris@dellie-linux:~$ cd /home/chris/testing
  chris@dellie-linux:~/testing$ ls
  autorun.inf  garden.exe  garden.pdf  Lessons  Photos  readme.txt

  in the syslog:
  May 12 22:42:11 dellie-linux kernel: [ 2709.805765] ISO 9660 Extensions: Microsoft Joliet Level 1
  May 12 22:42:11 dellie-linux kernel: [ 2709.805987] ISOFS: changing to secondary root

  The cd mounts normally on another computer running osX and it says the
  cd's filesystem is Joliet.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: mount 2.20.1-1ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
  Uname: Linux 3.2.0-24-generic x86_64
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  Date: Sat May 12 22:16:40 2012
  SourcePackage: util-linux
  UpgradeStatus: Upgraded to precise on 2012-04-28 (14 days ago)
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
   /dev/snd/controlC0:  chris      3239 F.... pulseaudio
   Card hw:0 'Intel'/'HDA Intel at 0xf6afc000 irq 47'
     Mixer name	: 'IDT 92HD71B7X'
     Components	: 'HDA:111d76b2,102802aa,00100302'
     Controls      : 26
     Simple ctrls  : 15
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=656d1e1f-5a61-478c-b0f5-83de3100c497
  MachineType: Dell Inc. Inspiron 1545
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: root=UUID=9c0edb3e-d193-44ce-829f-858ced0747b2 ro acpi_sleep=old_ordering quiet splash resume=/dev/sda5
  ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
   linux-restricted-modules-3.2.0-24-generic N/A
   linux-backports-modules-3.2.0-24-generic  N/A
   linux-firmware                            1.79
  SourcePackage: linux
  Tags:  precise precise
  Uname: Linux 3.2.0-24-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-04-28 (18 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lp lpadmin plugdev sambashare
  dmi.bios.date: 12/07/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A14
  dmi.board.name: 0G848F
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA14:bd12/07/2009:svnDellInc.:pnInspiron1545:pvr:rvnDellInc.:rn0G848F:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Inspiron 1545
  dmi.sys.vendor: Dell Inc.

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