Package: cgmanager Version: 0.35-1 After wasting many hours trying to understand what was holding on to an invalid aufs volume reference after the volume was successfully unmounted, I finally narrowed it down to cgmanager (note that I'm adding to this report for v0.35-1 as in the test VM, but this machine has the current Testing version).
Maintain an aufs volume in fstab, and after runlevel 2 init.d scripts
finish (i.e. cgmanager is ran), you can apparently successfully unmount
the volume but not change the mountpoint directory:
=======================================================================
mv: cannot move ‘/mnt/bulk-storage’ to ‘/mnt/bulk-storage1/’: Device or
resource busy
=======================================================================
This is due to cgmanager alone still considering it mounted:
=======================================================================
$ grep -ir 'bulk-storage' /proc/{1..9999}/mounts 2>/dev/null
/proc/1686/mounts:none /mnt/bulk-storage aufs
rw,relatime,si=adc2efa1f847f99f,create=mfsrr:4294967296,sum 0 0
=======================================================================
I do not use any containers, LXC, Docker etc instances...
I'm guessing with your last post that this should no longer happen >=0.34-1?
--- System information. ---
Architecture: amd64
Kernel: Linux 3.16.0-4-amd64
Debian Release: 8.0
990 testing 10.1.0.3
500 unstable 10.1.0.3
500 quodlibet-unstable 10.1.0.3
1 experimental 10.1.0.3
--- Package information. ---
Depends (Version) | Installed
===================================-+-============
libc6 (>= 2.15) |
libcgmanager0 (>= 0.28) |
libdbus-1-3 (>= 1.2.16) |
libnih-dbus1 (>= 1.0.0) |
libnih1 (>= 1.0.0) |
init-system-helpers (>= 1.18~) |
Package's Recommends field is empty.
Package's Suggests field is empty.
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