Le 09/04/2013 19:42, cwillu a écrit :
On Tue, Apr 9, 2013 at 11:18 AM, Maxime Nicco <maxime.nicco@xxxxxxx
<mailto:maxime.nicco@xxxxxxx>> wrote:
Hi,
Today my laptop messed-up my display configuration between 2
screens. I had to reset it, but my btrfs root partition is no longer
mountable.
I have the following output in dmesg :
What kernel is this on, and have you tried mounting with -o recovery?
Oups i forgot to mention my kernel, my system was on 3.8, and i work
from a live cd in 3.5.
I already tried mounting with -o recovery, here the result
# mount -t btrfs -o recovery /dev/sda2 /mnt/sda2
mount: wrong fs type, bad option, bad superblock on /dev/sda2,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
the dmesg look like this
device fsid f9264db3-f277-47b6-bd8f-57d0a67c93a7 devid 1 transid 78577
/dev/sda2
btrfs bad tree block start 0 18565984256
btrfs bad tree block start 0 18565984256
btrfs: enabling auto recovery
btrfs: failed to read tree root on sda2
btrfs bad tree block start 0 18565984256
btrfs bad tree block start 0 18565984256
btrfs: failed to read tree root on sda2
parent transid verify failed on 18563280896 wanted 78576 found 78578
parent transid verify failed on 18563280896 wanted 78576 found 78578
btrfs read error corrected: ino 1 off 18563280896 (dev /dev/sda2 sector
38894232)
btrfs: failed to read tree root on sda2
btrfs bad tree block start 0 18565726208
btrfs bad tree block start 0 18565726208
btrfs: failed to read tree root on sda2
btrfs bad tree block start 0 18564616192
btrfs bad tree block start 0 18564616192
btrfs: failed to read tree root on sda2
btrfs: open_ctree failed
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