On Wed, 2005-07-13 at 15:33 -0500, Matt Lawrence wrote:
> I'm attempting to build a virtual disk image for qemu of CentOS4 on
> CentOS4. I'm having a problem after using yum --installroot to put a
> minimal filesystem on a partition located within the virtual disk.
> When I go to unmount it, I get "device is busy" errors. I know that I
> haven't left anything using that filesystem and lsof doesn't show
> anything, so I'm wondering if there is some sort of odd problem with
> the loop device. So far, I haven't been able to find anything
> applicable using google. Any ideas?
>
> -- Matt
use the command:
fuser -m /path/to/mountpoint
it will tell you if any processes are using that location
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