Comment 1 for bug 105936

Here is an example of the attached test script hitting the bug:

# ./snapshot-collision.sh systemvg 4 1 4G 2G
Attempting to empty disk caches ...
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 8.92084 seconds, 120 MB/s
Creating test LVs ...
  Logical volume "poc1" created
  Logical volume "poc2" created
  Logical volume "poc3" created
  Logical volume "poc4" created
Creating snapshots ...
  LV systemvg/poc2-1 in use: not deactivating
  Couldn't deactivate new snapshot.
  LV systemvg/poc3-1 in use: not deactivating
  Couldn't deactivate new snapshot.
  Logical volume "poc1-1" created
  LV systemvg/poc4-1 in use: not deactivating
  Couldn't deactivate new snapshot.
Done
Deleting snapshots ...
umount: /mnt/poc3-1: not mounted
umount: /mnt/poc2-1: not mounted
umount: /mnt/poc4-1: not mounted
  Logical volume "poc1-1" successfully removed
Deleteing test LVs ...
  Logical volume "poc1" successfully removed
  Logical volume "poc2" successfully removed
  Logical volume "poc3" successfully removed
  Logical volume "poc4" successfully removed