On Tue, Jan 17, 2012 at 10:59:59PM -0300, Gerardo Exequiel Pozzi wrote:
> Using (losetup from util-linux 2.20.620-4360-dirty) and Linux-3.2.1.
>
> Using losetup as first time, if loop module is not loaded, losetup -f
> file-equal-or-below-1MiB I get: "Buffer I/O error on device loop0, logical
> block 0" (sometimes get one message, or two or three, ...)
It does not sound like userspace problem, I guess that the message comes
from kernel (dmesg). It would be also nice to have strace output.
>
> Can be reproducible again if loop module is unloaded then execute losetup.
> Does not happen if module is loaded previously to losetup.
> Happens independently if /dev/loop0 exists or not.
>
> Does not happen with losetup from 2.20 under the same conditions.
The new losetup uses /dev/loop-control to get the new free loop device.
Kay, any idea?
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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