On Mon, Oct 15, 2012 at 07:46:02PM +0200, Toralf Förster wrote: > Even with current stable kernel 3.6.2 I sometimes get those syslog messages : > > > 2012-10-15T19:37:58.401+02:00 n22 kernel: EXT4-fs error (device sdb3): ext4_mb_generate_buddy:741: group 436, 22902 clusters in bitmap, 22901 in gd Have you run e2fsck to clean up the file system corruption? If you have, do you continually get these errors afterwards? You say this is an external USB disk; is there any possibility of the disk getting unmounted uncleanly due to the cable getting pulled out while the disk is still mounted, and then the disk getting remounted w/o having e2fsck run on the disk? - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html