On Sun, Feb 23, 2014 at 10:14:26PM -0800, Marc MERLIN wrote: > Does someone know how I can debug further why this is hanging? > > It seems that accessing a certain directory on one of my btrfs filesystems > causes this. > > The rest of my system seems ok, as long as I'm not touching this filesystem. > > Is this a bug, or a performance problem?
Mmmh, this bug might be part of the problem: gargamel:/mnt# btrfs scrub start btrfs_pool2 ERROR: scrub is already running. To cancel use 'btrfs scrub cancel btrfs_pool2'. To see the status use 'btrfs scrub status [-d] btrfs_pool2'. gargamel:/mnt# btrfs scrub cancel btrfs_pool2 ERROR: scrub cancel failed on btrfs_pool2: not running gargamel:/mnt# btrfs scrub status btrfs_pool2 scrub status for cb9df6d3-a528-4afc-9a45-4fed5ec358d6 scrub started at Sun Feb 23 18:29:39 2014, running for 5 seconds total bytes scrubbed: 0.00 with 0 errors gargamel:/mnt# btrfs scrub cancel btrfs_pool2 ERROR: scrub cancel failed on btrfs_pool2: not running gargamel:/mnt# btrfs scrub status btrfs_pool2 scrub status for cb9df6d3-a528-4afc-9a45-4fed5ec358d6 scrub started at Sun Feb 23 18:29:39 2014, running for 5 seconds total bytes scrubbed: 0.00 with 0 errors gargamel:/mnt# Note that it says running for 5 seconds, but it started 4H ago. Any idea what's going on here? Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html