On Thu, Nov 17, 2005 at 04:27:53PM +0100, Tobias Orlam?nde wrote: > My colleague was able to mount this image once (using mount with "-o loop"). > Since then anytime we try to mount it, it ends in the following error-message: > > ioctl: LOOP_CLR_FD: Device or resource busy > mount: you must specify the filesystem type Looking at the loop driver (drivers/block/loop.c), the handler for LOOP_CLR_FD checks a ref-count on the loop device. If the ref-count is bigger than 1 (the ioctl call holds a reference), it returns -EBUSY, which corresponds to the error you're getting (device or resource busy). Does anything else on the system have a handle open to the loop device file? What about the image file? Do you have any other loopback-mounts running at the time? Does it help to manually do the losetup operation on a known-free loop device, then mount the loop device itself (without -o loop)? (You will have to "losetup -d" the device after you unmount it, also -- normally umount handles that.) What does "losetup -f" say?
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