Bug 209200 - Multisession DVDs cannot be mounted without ide-scsi
Multisession DVDs cannot be mounted without ide-scsi
Status: CLOSED DUPLICATE of bug 209202
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity low
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Assigned To: Kernel Maintainer List
Brian Brock
Depends On:
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Reported: 2006-10-03 16:29 EDT by Need Real Name
Modified: 2007-11-16 20:14 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2007-02-09 16:45:18 EST
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Description Need Real Name 2006-10-03 16:29:02 EDT
Description of problem:
Multisession DVDs produced by growisofs cannot be mounted on an IDE drive 
because of a kernel bug. The same DVDs can be mounted when the IDE drive is in 
ide-scsi emulation. Please fix this.

Version-Release number of selected component (if applicable):
Everything (afaik).

How reproducible:
Some documentation is found in /usr/share/doc/dvd+rw-tools-

"Linux kernel 2.6 users might experience ... http://marc.theaimsgroup.com/?
l=linux-kernel&m=108827602322464&w=2 ... problems
mounting multi-session media with last session starting beyond
2.2GB boundary. As fast-acting remedy I can suggest to route your unit
through ide-scsi. The way it was under 2.4. Even though it's declared
unsupported it actually still works in 2.6 (I for one still use it)."

Steps to Reproduce:
1. Burn a DVD with over 2GB of data (growisofs -Z /dev/cdrom ...)
2. Add data (growisofs -M /dev/cdrom)
3. Attempt to mount to see the error (mount is successful with ide-scsi kernel 
Actual results:
[root@devoi ~]# mount /dev/hdb /cdrom
mount: block device /dev/hdb is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/hdb,
       or too many mounted file systems

Additional info:
I am running this test from a supported system; the system ID is: ID-1006241967.
Comment 1 Jason Baron 2007-02-09 16:45:18 EST

*** This bug has been marked as a duplicate of 209202 ***

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