Luboš Doležel wrote:
Hello,
I've created a bugreport at http://bugme.osdl.org/show_bug.cgi?id=4472
and I was advised to write to this list.
A patch called "loop device recursion avoidance" which appeared in
2.6.11 kernel has complicated ISO image mounting from another mounted
media.
Example:
# mount /mnt/dvd
# mount -o loop /mnt/dvd/file.iso /somedir
The mount command produces this error: "ioctl: LOOP_SET_FD: Invalid argument".
This operation maybe is a kind of recursion but I think that recursion
should be limited - not disabled.
Now I have to copy the ISO image to my hdd before mounting. I used to
put CD backups on DVDs; now it's more complicated to use.
Far worse than complicated, it just doesn't work... I'm glad you found
this before I did, I have loads of similar things, created when a number
of small system were decomissioned and each partition was written raw
as a file. Like:
machineA/part1
machineA/part2
machineB/part1
and similar. These were all 525MB drives, but the data is moderately
critical. I've been successful mounting with all older kernel, except
the SysVR4 images, which have a filesystem Linux can't handle (from
Dell's brief adventure with SysVR4). Now it appears that I will have to
copy the data to a drive to use it, which is a minor pain since the
process is in scripts.
Another case of fixing a problem without completely understanding it, I
fear. At least one machine had a partition with floppy images, I hope
they weren't loop mounting them, although it's likely they just burn a
fresh floppy when needed (boot disks for control PCs).
--
-bill davidsen ([email protected])
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
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