Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-17 Thread Chris Mason
Excerpts from Ian! D. Allen's message of 2010-12-16 23:45:12 -0500: > On Thu, Dec 16, 2010 at 08:47:05PM -0500, Chris Mason wrote: > > I think this hang is something that sage fixed. Which kernel is this > > ubuntu including? > > All that detail is posted in the second message in the thread you q

Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-16 Thread Ian! D. Allen
On Thu, Dec 16, 2010 at 08:47:05PM -0500, Chris Mason wrote: > I think this hang is something that sage fixed. Which kernel is this > ubuntu including? All that detail is posted in the second message in the thread you quoted: http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg07448.html

Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-16 Thread Chris Mason
Excerpts from Ian! D. Allen's message of 2010-12-13 21:23:24 -0500: > I can reliably get btrfs 0.19 to hang in btrfs_commit_transaction. > Below is another case where it hung after creating just 110 snapshots > of /var/log/. Here is an excerpt from the script log file showing the > last good snaps

Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-13 Thread Ian! D. Allen
I can reliably get btrfs 0.19 to hang in btrfs_commit_transaction. Below is another case where it hung after creating just 110 snapshots of /var/log/. Here is an excerpt from the script log file showing the last good snapshot followed by the hang: >>> Dec 12 10:25:23 EST 2010 snapshot /mnt/sdf1/s

Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-12 Thread Ian! D. Allen
On Sat, Dec 11, 2010 at 10:43:39PM -0500, Ian! D. Allen wrote: > I put in a larger disk (250GB), set up a partition for btrfs, and ran > the same continuous snapshotting test. It got up to creating snapshot > 150 and then btrfs hung again. So the bug is repeatable and makes > btrfs 0.19 on Ubuntu

Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-11 Thread Ian! D. Allen
This is a second try to post this follow-up, with the dmesg log info deleted. What is the size/length limit on this mailing list? On Thu, Dec 09, 2010 at 02:46:39PM -0500, Ian! D. Allen wrote: > Hello developers - Last chance to get more details on this btrfs hang > (below) before I reboot the ma

Re: btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-09 Thread Ian! D. Allen
Hello developers - Last chance to get more details on this btrfs hang (below) before I reboot the machine. Anything I can do to gather more data? Linux linux 2.6.35-23-generic #40-Ubuntu SMP Wed Nov 17 22:14:33 UTC 2010 x86_64 GNU/Linux Description: Ubuntu 10.10 Package: btrfs-tools Status: in

btrfs subvolume snapshot hung in btrfs_commit_transaction

2010-12-08 Thread Ian! D. Allen
I've been exercising btrfs doing a continuous loop of: - delete an old snapshot to keep disk space about the same - create snapshot from previous snapshot - rsync root into new snapshot I have room for 150 snapshots on disk. I delete the oldest, create the newest, do the rsync into t