[CentOS] Problem unmounting loop device

Matt Lawrence

mattlaw at us.ibm.com
Wed Jul 13 20:33:01 UTC 2005






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
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