Quoting Mitch Harder (2013-06-10 00:03:31) > I'm running into a problem with the btrfs-cleaner thread becoming > blocked on xfstests 068. > > The test locks up indefinitely without completing (normally it > finished in about 45 seconds on my test box). > > I've replicated the issue on 3.10.0_rc5 and the for-linus branch of 3.9.0. > > I ran a git bisect on the 3.9.0 for-linus branch, and tracked my issue > to the following commit: > > commit 9d1a2a3ad59f7ae810bf04a5a05995bf2d79300c > btrfs: clean snapshots one by one > > The 068 test uses the scratch drive, so I believe xfs-test is using > the defaults for formatting the device, which is a physical partition > on my SATA drive. > > My mount settings for xfstests is: > export MOUNT_OPTIONS="-o compress-force=lzo,autodefrag" > > There are no errors shown in dmesg. Here is the result of Alt-SysRq-W > to show the blocked states:
This is a known problem between freeze and mount -o compress. btrfs-next has a fix from Miao, but I wanted to be very cautious with moving around unmount related mutexes. -chris -- 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
