Your message dated Mon, 27 Jul 2009 01:36:46 +0200 with message-id <[email protected]> and subject line Re: Bug#402710: Loop mount of XFS on DVD-RW fails on Debian, works on SUSE has caused the Debian Bug report #402710, regarding Loop mount of XFS on DVD-RW fails on Debian, works on SUSE to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 402710: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=402710 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: loop-aes-utils Version: 2.12r-14 Severity: important A mountable encrypted dvd image cannot be mounted after burned to dvd. i CREATED A DVD IMAGE dd if=/dev/zero of=/mnt/hda7/iso/xfs_dvd_f9.raw bs=1M count=4482 THEN losetup -e AES256 /dev/loop0 /mnt/hda7/iso/xfs_dvd_f9.raw CREATED A FILESYSTEM mkfs.xfs /dev/loop0 MOUNTED AND FILLED WITH DATA Debian Etch uname -a: Linux prometheus 2.6.17-2-k7 #1 SMP Wed Sep 13 17:18:46 UTC 2006 i686 GNU/Linux prometheus:/mnt/hda7/iso# mount -vv -o loop,encryption=AES256 ./xfs_dvd_f9.raw ./mounted/ mount: going to use the loop device /dev/loop/0 Password: set_loop(/dev/loop/0,./xfs_dvd_f9.raw): success mount: setup loop device successfully mount: you didn't specify a filesystem type for /dev/loop/0 I will try type xfs /mnt/hda7/iso/xfs_dvd_f9.raw on /mnt/hda7/iso/mounted type xfs (rw,loop=/dev/loop/0,encryption=AES256) prometheus:/mnt/hda7/iso# /var/log/messages: Dec 10 19:53:57 localhost kernel: Linux version 2.6.17-2-k7 (Debian 2.6.17-9) ([email protected]) (gcc version 4.1.2 20060901 (prerelease) (Debian 4.1.1-13)) #1 SMP Wed Sep 13 17:18:46 UTC 2006 Dec 10 20:01:01 localhost kernel: SGI XFS with ACLs, security attributes, realtime, large block numbers, no debug enabled Dec 10 20:01:01 localhost kernel: SGI XFS Quota Management subsystem Dec 10 20:01:01 localhost kernel: XFS mounting filesystem hda7 Dec 10 20:01:43 localhost kernel: loop: AES key scrubbing enabled Dec 10 20:01:43 localhost kernel: loop: loaded (max 8 devices) Dec 10 20:01:52 localhost kernel: Filesystem "loop0": Disabling barriers, not supported by the underlying device Dec 10 20:01:53 localhost kernel: XFS mounting filesystem loop0 BURNED TO DVD growisofs -speed=4 -Z /dev/hdc=/mnt/hda7/iso/xfs_dvd_f9.raw BUT FAILS TO MOUNT HTE BURNED DVD prometheus:/home/toni# mount -vv -o loop,encryption=AES256 /dev/hdc /media/cdrom0/ mount: going to use the loop device /dev/loop0 Password: set_loop(/dev/loop0,/dev/hdc): success mount: setup loop device successfully mount: you didn't specify a filesystem type for /dev/loop0 I will try type xfs del_loop(/dev/loop0): success mount: Function not implemented /var/log/messages: Dec 10 19:08:49 localhost kernel: Unable to identify CD-ROM format. Dec 10 19:09:32 localhost kernel: loop: AES key scrubbing enabled Dec 10 19:09:32 localhost kernel: loop: loaded (max 8 devices) Dec 10 19:09:42 localhost kernel: SGI XFS with ACLs, security attributes, realtime, large block numbers, no debug enabled Dec 10 19:09:42 localhost kernel: SGI XFS Quota Management subsystem IT CANNOT BE MOUNTED NEITHER WITH KERNEL 2.6.18-3-K7 -- System Information: Debian Release: 4.0 APT prefers testing APT policy: (500, 'testing') Architecture: i386 (i686) Shell: /bin/sh linked to /bin/bash Kernel: Linux 2.6.18-3-k7 Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Versions of packages loop-aes-utils depends on: ii gnupg 1.4.6-1 GNU privacy guard - a free PGP rep ii libblkid 1.39+1.40-WIP-2006.11.14+dfsg-1 block device id library ii libc6 2.3.6.ds1-8 GNU C Library: Shared libraries ii libuuid1 1.39+1.40-WIP-2006.11.14+dfsg-1 universally unique id library ii mount 2.12r-15 Tools for mounting and manipulatin Versions of packages loop-aes-utils recommends: ii sharutils 1:4.2.1-15 shar, unshar, uuencode, uudecode -- no debconf information
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--- Begin Message ---On Wed, Dec 17, 2008 at 08:50:10PM +0100, Moritz Muehlenhoff wrote: > On Sun, Mar 18, 2007 at 12:03:45PM +0100, Max Vozeler wrote: > > reassign 402710 linux-2.6 > > retitle 402710 Loop mount of XFS on DVD-RW fails on Debian, works on SUSE > > thanks > > > > Hi kernel team, hi Kosza, > > > > This bug is about a problem Kosza experienced when trying to loop > > mount an XFS filesystem stored on DVD-RW. This works correctly on > > SUSE 10.0 but fails on Debian 2.6.17-2. Summarizing what I think > > we have found out so far: > > > > - DVD has a fixed block size of 2048 bytes > > - mkfs.xfs created a filesystem with block size of 4096 bytes > > - Debian kernel (2.6.17) is unable to loop mount it from the DVD > > - SUSE 10.0 kernel (2.6.13 ?) is able to loop mount it > > - Encryption makes no difference > > > > This suggests that an unknown difference exists between the SUSE > > and Debian kernels. I'm not sure where to start looking for this; > > perhaps someone on the kernel team can suggest how to continue. > > > > If my understanding of the problem is correct, you should be able > > to work around this problem by telling mkfs.xfs to create the > > filesystem with a block size that matches the block size of the > > DVD (something like mkfs.xfs -b 2048 /dev/loop0). > > Kosza, does this error still occur with more recent kernel versions? No further feedback, closing the bug. If anyone reencounters the problem, please reopen this bug. Cheers, Moritz
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