On Fri, Jun 27, 2014 at 1:40 PM, Marc MERLIN <m...@merlins.org> wrote: > On Fri, Jun 27, 2014 at 11:50:09AM -0700, Marc MERLIN wrote: >> My laptop deadlocked some more times (everything works until it needs to >> touch the filesystem, and then it's deadlocked). >> Unfortunately, I can trigger sysrq, but it doesn't get committed to disk and >> netconsole eats half of it because it goes too fast for UDP apparently >> >> Now, I just captured that on my server with serial console. >> >> 11005 1-16:11:10 wait_current_trans.isra.15 /usr/bin/zma -m 3 >> 14441 1-16:07:44 wait_current_trans.isra.15 /usr/bin/zma -m 1 >> 17045 1-23:53:33 wait_current_trans.isra.15 /usr/bin/zma -m 9 >> 22261 2-00:40:36 wait_current_trans.isra.15 /usr/bin/zma -m 6 >> 22292 2-00:40:36 wait_current_trans.isra.15 /usr/bin/zma -m 8 >> >> 19911 09:29:35 wait_current_trans.isra.15 rm -f -- >> /mnt/dshelf2/backup/0Notmachines/mysql//mysql.daily.sql.gz.13 >> /mnt/dshelf2/backup/0Notmachines/mysql//mysql.daily.sql.gz.13.gz >> 22848 1-05:18:35 wait_current_trans.isra.15 rm -f -- >> mnt/dshelf2/backup/0Notmachines/jen//backup.tar.bz.11 >> mnt/dshelf2/backup/0Notmachines/jen//backup.tar.bz.11.gz >> >> Those are 2 different filesystems (one single device mapper disk, the other >> one is btrfs raid1), so I'm not sure which one of the 2 caused the problem, >> but I'm perplexed as to why one would than hang the other, unless they both >> hit the same bug? > > Ok, soon after reboot, I'm already seeing this: > 742 37:19 wait_current_trans.isra.15 /usr/bin/zma -m 9 > 5494 06:45 wait_current_trans.isra.15 /bin/rm -rf > 1/14/06/27/13/10/18 > 11258 01:48:28 wait_current_trans.isra.15 /usr/bin/zma -m 3 > 14076 27:01 wait_current_trans.isra.15 /usr/bin/zma -m 1 > 21615 47:18 wait_current_trans.isra.15 /usr/bin/zma -m 8 > > on this filesystem: > gargamel:~# btrfs fi df /mnt/btrfs_raid0/ > Data, RAID0: total=1.47TiB, used=892.25GiB > Data, single: total=8.00MiB, used=7.95MiB > System, RAID1: total=8.00MiB, used=128.00KiB > System, single: total=4.00MiB, used=0.00 > Metadata, RAID1: total=15.00GiB, used=6.09GiB > Metadata, single: total=8.00MiB, used=0.00 > unknown, single: total=512.00MiB, used=64.00KiB > > If I don't hear anything by the end of today, I'll just delete the > filesystem and start over.
At some stage it would be nice to see not only fixes but also changes to fsck to make it able to repair these problems. Blow it away and create a new filesystem from scratch is sub-optimal. > > 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/ | PGP > 1024R/763BE901 > -- > 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 -- 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
