I'm having this exact issue with Debian Jessie. Virtual machines running with LVM storage unpredictably failing after cron.daily.
[680406.357587] EXT4-fs error (device vda1): ext4_mb_generate_buddy:757: group 49, block bitmap and bg descriptor inconsistent: 18356 vs 18355 free clusters [680406.361696] Aborting journal on device vda1-8. [680406.453757] EXT4-fs error (device vda1): ext4_journal_check_start:56: [680406.453999] EXT4-fs (vda1): Remounting filesystem read-only [680406.457551] Detected aborted journal [766809.056039] EXT4-fs (vda1): error count since last fsck: 2 [766809.056069] EXT4-fs (vda1): initial error at time 1441383430: ext4_mb_generate_buddy:757 [766809.056082] EXT4-fs (vda1): last error at time 1441383430: ext4_journal_check_start:56 [853316.576033] EXT4-fs (vda1): error count since last fsck: 2 [853316.576052] EXT4-fs (vda1): initial error at time 1441383430: ext4_mb_generate_buddy:757 [853316.576066] EXT4-fs (vda1): last error at time 1441383430: ext4_journal_check_start:56 root@collect1 ~ # uname -a Linux collect1 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u3 (2015-08-04) x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423672 Title: ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor inconsistent: X vs Y To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1423672/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
