Hi all, just apologize for my English. In a nice, warm evening, turn off the electricity, and my router with btrfs on root, broke .. I removed the image of a partition (10G), I will now rearrange the system is probably on ext4 .. Start the discussion - http://www.linux.org.ru/forum/general/6465851 OS during the fall - Debian 6 (2.6.39 kernel from sid), mounted filesystem with parameters compression=lzo btfs-progs v0.19 from git. btrfs-show - all ok; FS is the LVM; root@sysresccd /root % mount -t btrfs -o compress=lzo /dev/mapper/nas-root /re mount: wrong fs type, bad option, bad superblock on /dev/mapper/nas-root, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so root@sysresccd /root % dmesg | tail [ 3821.972350] parent transid verify failed on 3807195136 wanted 5412 found 5414 [ 3821.972364] parent transid verify failed on 3807195136 wanted 5412 found 5414 [ 3821.979182] btrfs: open_ctree failed [ 6298.660270] device label root devid 1 transid 12174 /dev/mapper/nas-root [ 6298.660657] btrfs: use lzo compression [ 6298.662878] parent transid verify failed on 3807195136 wanted 5412 found 5414 [ 6298.663321] parent transid verify failed on 3807195136 wanted 5412 found 5414 [ 6298.663584] parent transid verify failed on 3807195136 wanted 5412 found 5414 [ 6298.663595] parent transid verify failed on 3807195136 wanted 5412 found 5414 [ 6298.669180] btrfs: open_ctree failed root@sysresccd /root % btrfsck /dev/nas/root parent transid verify failed on 3807195136 wanted 5412 found 5414 parent transid verify failed on 3807195136 wanted 5412 found 5414 parent transid verify failed on 3807195136 wanted 5412 found 5414 btrfsck: disk-io.c:416: find_and_setup_root: Assertion `!(!root->node)'' failed. zsh: abort btrfsck /dev/nas/root -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html