Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-27 Thread Olivier Bonvalet
Note that this FS still be unmountable with last for-linus branch. Aug 27 10:47:33 backup2 kernel: [987464.600465] device fsid a5dfe512-c8a3-46f0-bc8c-6365b8eccdcb devid 1 transid 110425 /dev/mapper/vg--backupplug-backup Aug 27 10:47:33 backup2 kernel: [987464.601701] btrfs: force zlib

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-08 Thread David Sterba
On Sun, Aug 05, 2012 at 04:11:47PM +0200, Olivier Bonvalet wrote: On 05/08/2012 10:57, Chris Samuel wrote: On 08/04/2012 08:41 AM, Olivier Bonvalet wrote: Is there something I can do to fix that ? (the mount option recovery didn't help here) I've seen someone (perhaps Marc Merlin)

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-08 Thread Stefan Behrens
On Wed, 8 Aug 2012 16:45:57 +0200, David Sterba wrote: On Sun, Aug 05, 2012 at 04:11:47PM +0200, Olivier Bonvalet wrote: Aug 5 16:10:12 backup2 kernel: [ 58.674758] parent transid verify failed on 615015833600 wanted 110423 found 110424 1st mirror fails verify_parent_transid(). Aug 5

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-05 Thread Chris Samuel
On 08/04/2012 08:41 AM, Olivier Bonvalet wrote: Is there something I can do to fix that ? (the mount option recovery didn't help here) I've seen someone (perhaps Marc Merlin) report that the 3.5.x kernel was able to mount a filesystem that 3.4.x couldn't, so it might be worth a shot here!

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-05 Thread Olivier Bonvalet
On 05/08/2012 10:57, Chris Samuel wrote: On 08/04/2012 08:41 AM, Olivier Bonvalet wrote: Is there something I can do to fix that ? (the mount option recovery didn't help here) I've seen someone (perhaps Marc Merlin) report that the 3.5.x kernel was able to mount a filesystem that 3.4.x

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-03 Thread Olivier Bonvalet
On 02/08/2012 18:18, Olivier Bonvalet wrote: On 02/08/2012 15:53, David Sterba wrote: On Thu, Aug 02, 2012 at 03:41:03PM +0200, Olivier Bonvalet wrote: Yes... it's a copy from my /var/log/kern.log. Is it really disabled ? I was mistaken, it really is enabled unconditionally in ctree.h:55.

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-03 Thread Olivier Bonvalet
On 04/08/2012 00:41, Olivier Bonvalet wrote: On 02/08/2012 18:18, Olivier Bonvalet wrote: On 02/08/2012 15:53, David Sterba wrote: On Thu, Aug 02, 2012 at 03:41:03PM +0200, Olivier Bonvalet wrote: Yes... it's a copy from my /var/log/kern.log. Is it really disabled ? I was mistaken, it really

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-02 Thread Olivier Bonvalet
On 02/08/2012 15:22, David Sterba wrote: On Wed, Aug 01, 2012 at 09:48:15PM +0200, Olivier Bonvalet wrote: I have some trouble with a btrfs filesystem. As you can see in logs, there is lines which are from btrfs (I supposed), then some warnings at fs/btrfs/extent-tree.c, and finally a kernel

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-02 Thread David Sterba
On Thu, Aug 02, 2012 at 03:41:03PM +0200, Olivier Bonvalet wrote: Yes... it's a copy from my /var/log/kern.log. Is it really disabled ? I was mistaken, it really is enabled unconditionally in ctree.h:55. Josef says that the V0 extent refs are not used for a long time, so the question is how did

Re: kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-02 Thread Olivier Bonvalet
On 02/08/2012 15:53, David Sterba wrote: On Thu, Aug 02, 2012 at 03:41:03PM +0200, Olivier Bonvalet wrote: Yes... it's a copy from my /var/log/kern.log. Is it really disabled ? I was mistaken, it really is enabled unconditionally in ctree.h:55. Josef says that the V0 extent refs are not used

kernel BUG at fs/btrfs/extent-tree.c:5038 (linux 3.4.7)

2012-08-01 Thread Olivier Bonvalet
Hi, I have some trouble with a btrfs filesystem. As you can see in logs, there is lines which are from btrfs (I supposed), then some warnings at fs/btrfs/extent-tree.c, and finally a kernel BUG at fs/btrfs/extent-tree.c:5038. Do you need more informations ? Aug 1 21:23:10 backup2 kernel: [