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Old 12-01-2009, 03:33 PM   #1
mk27
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"Inappropriate ioctl for device" on loopback after rebuild


I had to rebuild my kernel in order to get ATI's proprietary drivers to work (there were unresolved symbols in the fglrx module to do with ACPI, which I don't use).

No big deal, I have built the kernel hundreds and hundreds of times in the last ten years.

However, now it will not mount anything via loopback:

[root/] mount -o loop -t iso9660 /backup.iso /mnt/fedora
ioctl: LOOP_SET_FD: Inappropriate ioctl for device

I diff'd my config with my old config, but the loopback choices are all there, and loop.ko loads.

I googled around for this error and found a few threads here and there going back some years, but they are all unresolved.

FC10-64 kernel 2.6.29.2
 
Old 12-02-2009, 08:14 AM   #2
cladisch
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Quote:
I had to rebuild my kernel in order to get ATI's proprietary drivers to work (there were unresolved symbols in the fglrx module to do with ACPI, which I don't use).

However, now it will not mount anything via loopback:

[root/] mount -o loop -t iso9660 /backup.iso /mnt/fedora
ioctl: LOOP_SET_FD: Inappropriate ioctl for device
Strange.
Does /dev/loop* still point to the same device?

Quote:
I diff'd my config with my old config, but the loopback choices are all there, and loop.ko loads.
What are the differences?
 
Old 12-02-2009, 07:11 PM   #3
mk27
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Quote:
Originally Posted by cladisch View Post
What are the differences?
Well, I can tell you what fixed it. I recompiled again, this time I thot I'd try and make the ACPI stuff a module; you can't, but I noticed that most of the things included by default with ACPI cannot apply to desktops (AC adapter, battery, et. al) so I unchecked those and went for a more minimal ACPI set-up.

Now the loop device is okay. Go figure.
 
  


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