Test with qemu-kvm-0.12.1.2-2.108.el6 by using "qemu-img check", different kinds of errors have been disdinguished, so this bug has been fixed.
# qemu-img check 16g
ERROR refcount block 8191 is outside image
Leaked cluster 16380 refcount=1 reference=0
Leaked cluster 16381 refcount=1 reference=0
Leaked cluster 16382 refcount=1 reference=0
Leaked cluster 16383 refcount=1 reference=0
Leaked cluster 16384 refcount=1 reference=0
Leaked cluster 16385 refcount=1 reference=0
Leaked cluster 16386 refcount=1 reference=0
Leaked cluster 16387 refcount=1 reference=0
Leaked cluster 180222 refcount=1 reference=0
Leaked cluster 180223 refcount=1 reference=0
Leaked cluster 180224 refcount=1 reference=0
Leaked cluster 180225 refcount=1 reference=0
Leaked cluster 180226 refcount=1 reference=0
Leaked cluster 180227 refcount=1 reference=0
Leaked cluster 180228 refcount=1 reference=0
Leaked cluster 180229 refcount=1 reference=0
Leaked cluster 245754 refcount=1 reference=0
Leaked cluster 245755 refcount=1 reference=0
Leaked cluster 245756 refcount=1 reference=0
Leaked cluster 245757 refcount=1 reference=0
Leaked cluster 245758 refcount=1 reference=0
Leaked cluster 245759 refcount=1 reference=0
1 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
22 leaked clusters were found on the image.
This means waste of disk space, but no harm to data.
Comment 6releng-rhel@redhat.com
2010-11-10 21:26:24 UTC
Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.