Re: dm-crypt barrier support is effective

2010-11-14 Thread Heinz Diehl
On 15.11.2010, Milan Broz wrote: > even with v5 I sent on Friday? Your v5 patch applies cleanly to 2.6.36, but fails to build on my system: [] LD fs/xfs/xfs.o LD fs/xfs/built-in.o CC fs/compat_ioctl.o drivers/md/dm-crypt.c: In function crypt_ctr': drivers/md/dm-crypt.c:1408:

Re: Reproducible kernel (2.6.36) oops with several simultaneus btrfs mounts

2010-11-14 Thread Ian Kent
On Sat, 2010-11-13 at 20:15 +0500, Mike Kazantsev wrote: > Good day. > > > I'm experiencing a kernel oops when systemd tries to fsck and mount > several btrfs filesystems pretty much simultaneously on boot. > Oops is highly reproducible for me and causes system to hang, sometimes > triggering som

Re: dm-crypt barrier support is effective

2010-11-14 Thread Matt
On Sun, Nov 14, 2010 at 10:54 PM, Milan Broz wrote: > On 11/14/2010 10:49 PM, Matt wrote: >> only with the dm-crypt scaling patch I could observe the data-corruption > > even with v5 I sent on Friday? > > Are you sure that it is not related to some fs problem in 2.6.37-rc1? > > If it works on 2.6.

Re: Oops while rebalancing, now unmountable.

2010-11-14 Thread Andrea Arcangeli
On Sun, Nov 14, 2010 at 05:00:18PM -0500, Christoph Hellwig wrote: > On Sun, Nov 14, 2010 at 09:42:06PM +0100, Andrea Arcangeli wrote: > > btrfs misses this: > > > > + .migratepage= btree_migratepage, > > > > It's a bug that can trigger upstream too (not only with THP) if there > > are

Re: Oops while rebalancing, now unmountable.

2010-11-14 Thread Christoph Hellwig
On Sun, Nov 14, 2010 at 09:42:06PM +0100, Andrea Arcangeli wrote: > btrfs misses this: > > + .migratepage= btree_migratepage, > > It's a bug that can trigger upstream too (not only with THP) if there > are hugepage allocations (like while incrasing nr_hugepages). Chris > already fixed i

Re: dm-crypt barrier support is effective

2010-11-14 Thread Milan Broz
On 11/14/2010 10:49 PM, Matt wrote: > only with the dm-crypt scaling patch I could observe the data-corruption even with v5 I sent on Friday? Are you sure that it is not related to some fs problem in 2.6.37-rc1? If it works on 2.6.36 without problems, it is probably problems somewhere else (flus

Re: dm-crypt barrier support is effective (was: Re: DM-CRYPT: Scale to multiple CPUs v3 on 2.6.37-rc* ?)

2010-11-14 Thread Matt
On Sun, Nov 14, 2010 at 9:59 PM, Mike Snitzer wrote: > On Mon, Nov 08 2010 at 12:59pm -0500, > Chris Mason wrote: > >> Excerpts from Mike Snitzer's message of 2010-11-08 09:58:09 -0500: >> > On Sun, Nov 07 2010 at  6:05pm -0500, >> > Andi Kleen wrote: >> > >> > > On Sun, Nov 07, 2010 at 10:39:23

dm-crypt barrier support is effective (was: Re: DM-CRYPT: Scale to multiple CPUs v3 on 2.6.37-rc* ?)

2010-11-14 Thread Mike Snitzer
On Mon, Nov 08 2010 at 12:59pm -0500, Chris Mason wrote: > Excerpts from Mike Snitzer's message of 2010-11-08 09:58:09 -0500: > > On Sun, Nov 07 2010 at 6:05pm -0500, > > Andi Kleen wrote: > > > > > On Sun, Nov 07, 2010 at 10:39:23PM +0100, Milan Broz wrote: > > > > On 11/07/2010 08:45 PM, And

Re: Oops while rebalancing, now unmountable.

2010-11-14 Thread Andrea Arcangeli
Hi Shane, On Sun, Nov 14, 2010 at 02:55:07PM -0500, Shane Shrybman wrote: > Hi Andrea! > > Long time since our last bug fix :) I still have fond memories of > 2.4.23-aa kernels, best of all time! Nice memories of good times :) > I couldn't find any other mention of this corruption issue with TH

Re: Oops while rebalancing, now unmountable.

2010-11-14 Thread Shane Shrybman
On Tue, 2010-11-09 at 13:21 -0500, Shane Shrybman wrote: > On Tue, 2010-11-09 at 08:42 -0500, Chris Mason wrote: > > Excerpts from Shane Shrybman's message of 2010-11-08 12:10:57 -0500: > > > Hi, > > > > > > Got an oops last week while rebalancing that seems to have left me with > > > a corrupted

btrfs crash

2010-11-14 Thread Ravi Pinjala
I got the following crash on one of my Ceph nodes this morning. I don't know how to reproduce it yet; I was just wondering if it was a known issue. This is with the latest kernel for Ubuntu 10.10. Nov 13 19:21:21 alpha kernel: [19432.396679] [ cut here ] Nov 13 19:21:22 alp