Comment 31 for bug 1423672

We have the same error on a 14.04 VM running on a XenServer 6.2 (paravirtualized).

EXT4-fs error (device dm-1): ext4_mb_generate_buddy:756: group 36, block bitmap and bg descriptor inconsistent: 30504 vs 30149 free clusters

Linux xxx 3.13.0-63-generic #103-Ubuntu SMP Fri Aug 14 21:42:59 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

i created a new VM and restored a backup and run the daily cronjobs to reproduce it but it didn't happen again.

run-parts -v --exit-on-error /etc/cron.daily

output of dmesg -T

...
[Mon Sep 14 14:47:00 2015] random: lvm urandom read with 64 bits of entropy available
[Mon Sep 14 14:47:00 2015] bio: create slab <bio-1> at 1
[Mon Sep 14 14:47:00 2015] EXT4-fs (dm-1): INFO: recovery required on readonly filesystem
[Mon Sep 14 14:47:00 2015] EXT4-fs (dm-1): write access will be enabled during recovery
[Mon Sep 14 14:47:01 2015] random: nonblocking pool is initialized
[Mon Sep 14 14:47:01 2015] EXT4-fs (dm-1): orphan cleanup on readonly fs
[Mon Sep 14 14:47:01 2015] EXT4-fs (dm-1): 16 orphan inodes deleted
[Mon Sep 14 14:47:01 2015] EXT4-fs (dm-1): recovery complete
[Mon Sep 14 14:47:01 2015] EXT4-fs (dm-1): mounted filesystem with ordered data mode. Opts: (null)
...

that seams to be ok. i also tried with the cron.weekly...