On Sun, Jan 15, 2012 at 04:07:10PM +0000, Nico Kruber wrote: > I was using btrfs with openSUSE 12.1 and during the last update > (glibc), the system hanged and I had no choice but to reboot. > Now I can neither boot my system, nor mount my btrfs partition from a > live USB, e.g. PartedMagic or the openSUSE 12.1 live CD images. > > Whenever I try mounting the fs, I get the following kernel oops:
This looks like it's a corrupt log tree. You should be able to fix it by running btrfs-zero-log on the filesystem. I would guess that you have an old kernel that needs updating, because that particular bug was fixed back in 3.0 or so -- if you're using btrfs, you should keep up to date with the latest released kernel (if not the -rc kernels), as there are lots of bugs fixed with each new release. If you're using a 3.2 kernel and still saw log tree corruption, then we have a previously unknown problem. Hugo. > ------------------------------------------ > # mount /dev/sda3 /mnt/ > # dmesg > [ 379.420110] Btrfs loaded > [ 379.420430] device fsid dd1cdd10-6b96-46e9-9214-0e07ca61f6d5 devid > 1 transid 11562 /dev/loop2 > [ 379.511476] btrfs: disk space caching is enabled > [ 382.959164] ------------[ cut here ]------------ > [ 382.959192] kernel BUG at fs/btrfs/free-space-cache.c:1327! > [ 382.959219] invalid opcode: 0000 [#1] SMP > [ 382.959243] CPU 3 > [ 382.959253] Modules linked in: btrfs ipv6 snd_seq_dummy snd_seq_oss > snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss > bluetooth nfsd exportfs dm_mod fuse vfat fat isofs snd_hda_codec_hdmi > rt2800pci rt2800lib crc_ccitt snd_hda_codec_realtek rt2x00pci > rt2x00lib snd_hda_intel mac80211 pata_acpi radeon snd_hda_codec ttm > cfg80211 sg drm_kms_helper snd_hwdep uas rfkill drm firewire_ohci > ata_generic joydev hid_logitech usbhid hid usb_storage processor > mac_hid thermal_sys snd_pcm firewire_core evdev rtc_cmos ahci > snd_timer i2c_algo_bit hwmon eeprom_93cx6 pata_jmicron button libahci > snd r8169 i2c_i801 serio_raw uhci_hcd mii soundcore intel_agp > intel_gtt agpgart ehci_hcd snd_page_alloc > [ 382.959665] > [ 382.959674] Pid: 5910, comm: mount Not tainted 3.1.6-pmagic #2 > Gigabyte Technology Co., Ltd. EP45-DS3/EP45-DS3 > [ 382.959726] RIP: 0010:[<ffffffffa03e7783>] [<ffffffffa03e7783>] > btrfs_log_new_name+0xd34/0x103b [btrfs] > [ 382.959778] RSP: 0000:ffff88007eb436b8 EFLAGS: 00010206 > [ 382.959803] RAX: 0000000000000000 RBX: ffff8800d2fad500 RCX: > 0000000000002000 > [ 382.959836] RDX: 000000049890e000 RSI: 0000000498872000 RDI: > 0000000000001300 > [ 382.959868] RBP: ffff88007eb43718 R08: 0000000000006d00 R09: > ffff8800cecdcda0 > [ 382.959900] R10: ffff88007eb43668 R11: ffff88007eb436a0 R12: > ffff88007eb89bc0 > [ 382.959932] R13: ffff88007eb43738 R14: ffff88007eb43740 R15: > 0000000499c00000 > [ 382.959964] FS: 0000000000000000(0000) GS:ffff88011fd80000(0063) > knlGS:00000000f763d700 > [ 382.960002] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b > [ 382.960028] CR2: 00000000edec40d8 CR3: 00000000ce49d000 CR4: > 00000000000406e0 > [ 382.960060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 382.960076] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 382.960076] Process mount (pid: 5910, threadinfo ffff88007eb42000, > task ffff880112422940) > [ 382.960076] Stack: > [ 382.960076] ffff88007eb436d0 ffff8800d2faebd0 ffffffff81020a70 > ffff88007eb89be4 > [ 382.960076] 0000000000002000 000000049890e000 ffffffff813cca8b > ffff8800d2fad500 > [ 382.960076] ffff88007eb89bc0 0000000000000000 ffff88007fb43d00 > ffff88007eb43738 > [ 382.960076] Call Trace: > [ 382.960076] [<ffffffff81020a70>] ? default_spin_lock_flags+0x9/0xd > [ 382.960076] [<ffffffff813cca8b>] ? _raw_spin_unlock_irqrestore+0x1a/0x1d > [ 382.960076] [<ffffffffa03e8c8b>] btrfs_remove_free_space+0x267/0x293 > [btrfs] > [ 382.960076] [<ffffffffa03a7775>] ? btrfs_previous_item+0xdb/0xbab [btrfs] > [ 382.960076] [<ffffffffa03af7dd>] > btrfs_alloc_logged_file_extent+0x87/0x19c [btrfs] > [ 382.960076] [<ffffffffa03a24ae>] ? btrfs_free_path+0x2a/0x2e [btrfs] > [ 382.960076] [<ffffffffa03e36e0>] > btrfs_find_orphan_item+0x18b6/0x3c75 [btrfs] > [ 382.960076] [<ffffffff81101c0d>] ? iput+0x1ab/0x1b4 > [ 382.960076] [<ffffffffa03d5d24>] ? read_extent_buffer+0x97/0xeb [btrfs] > [ 382.960076] [<ffffffffa03e578b>] > btrfs_find_orphan_item+0x3961/0x3c75 [btrfs] > [ 382.960076] [<ffffffffa03e4ead>] > btrfs_find_orphan_item+0x3083/0x3c75 [btrfs] > [ 382.960076] [<ffffffffa03e507f>] > btrfs_find_orphan_item+0x3255/0x3c75 [btrfs] > [ 382.960076] [<ffffffffa03b59ef>] ? btrfs_find_free_ino+0x155/0x1bb2 > [btrfs] > [ 382.960076] [<ffffffffa03e68fb>] btrfs_recover_log_trees+0x1ae/0x2c7 > [btrfs] > [ 382.960076] [<ffffffffa03e55e1>] ? > btrfs_find_orphan_item+0x37b7/0x3c75 [btrfs] > [ 382.960076] [<ffffffffa03ba86d>] open_ctree+0x112c/0x2075 [btrfs] > [ 382.960076] [<ffffffffa03a0813>] btrfs_sync_fs+0x4d8/0x739 [btrfs] > [ 382.960076] [<ffffffff810ccb41>] ? pcpu_next_pop+0x3d/0x4a > [ 382.960076] [<ffffffff810effd2>] mount_fs+0x6e/0x158 > [ 382.960076] [<ffffffff810cda07>] ? __alloc_percpu+0x10/0x12 > [ 382.960076] [<ffffffff8110537c>] vfs_kern_mount+0x5c/0x9d > [ 382.960076] [<ffffffff81105693>] do_kern_mount+0x4d/0xdf > [ 382.960076] [<ffffffff81106f02>] do_mount+0x686/0x6e9 > [ 382.960076] [<ffffffff810c9d64>] ? memdup_user+0x44/0x6c > [ 382.960076] [<ffffffff81127ab1>] compat_sys_mount+0x218/0x252 > [ 382.960076] [<ffffffff813cfdd3>] ia32_do_call+0x13/0x13 > [ 382.960076] Code: 48 29 c2 49 8b 45 00 48 39 c2 48 0f 46 c2 48 8d > 55 c8 48 89 45 c0 e8 74 fe ff ff 85 c0 78 0c 48 8b 55 c8 49 8b 36 48 > 39 f2 74 02 <0f> 0b 48 8b 4b 18 49 8d 47 ff 48 39 ca 76 4b 48 89 d1 49 > 03 4d > [ 382.960076] RIP [<ffffffffa03e7783>] btrfs_log_new_name+0xd34/0x103b > [btrfs] > [ 382.960076] RSP <ffff88007eb436b8> > [ 382.971282] ---[ end trace 5d2fc65d77ccbfd6 ]--- > ------------------------------------------ > > It does not matter whether I add the ro, clear_cache or the > subvolid=** option (can't think of anything else except for > nospace_cache, but I do not have a live image with Kernel 3.2 - if you > know of any, I could try that, too). > > Is the filesystem ruined or is there still hope, I can recover from that? > Since YaST makes a snapshot before the update, my original plan was to > revert to that I tried some subvolid values, btrfsck reported and they > had the same kernel BUG as without one or even 0. > > Here are some hopefully useful outputs. If you need any more, I made > an image of the partition so I can still debug it even if I > re-install. > > ------------------------------------------ > # btrfs filesystem show > failed to read /dev/sr0 > Label: none uuid: dd1cdd10-6b96-46e9-9214-0e07ca61f6d5 > Total devices 1 FS bytes used 20.55GB > devid 1 size 31.81GB used 31.81GB path /dev/sda3 > > Btrfs Btrfs v0.19 > ------------------------------------------ > # btrfsck /media/sdb1/Images/broken-btrfs.img > root 5 inode 878157 errors 1000 > root 5 inode 878158 errors 1000 > root 5 inode 878159 errors 1000 > root 5 inode 878413 errors 1000 > root 692 inode 679573 errors 1000 > root 692 inode 679585 errors 1000 > root 692 inode 679586 errors 1000 > root 692 inode 679592 errors 1000 > root 692 inode 679594 errors 1000 > root 692 inode 679595 errors 1000 > root 692 inode 679599 errors 1000 > root 692 inode 679600 errors 1000 > root 692 inode 679601 errors 1000 > root 692 inode 679602 errors 1000 > root 692 inode 679603 errors 1000 > root 692 inode 679604 errors 1000 > root 692 inode 679605 errors 1000 > root 692 inode 679607 errors 1000 > root 692 inode 679608 errors 1000 > root 692 inode 679609 errors 1000 > root 692 inode 679611 errors 1000 > root 692 inode 679613 errors 1000 > root 692 inode 679614 errors 1000 > root 692 inode 679615 errors 1000 > root 692 inode 679616 errors 1000 > root 692 inode 679617 errors 1000 > root 692 inode 679619 errors 1000 > root 692 inode 679620 errors 1000 > root 692 inode 679621 errors 1000 > root 692 inode 679622 errors 1000 > root 692 inode 679626 errors 1000 > root 692 inode 679627 errors 1000 > root 692 inode 679692 errors 1000 > root 692 inode 679698 errors 1000 > root 692 inode 684383 errors 1000 > root 692 inode 684384 errors 1000 > root 692 inode 684388 errors 1000 > root 692 inode 684432 errors 1000 > root 692 inode 684434 errors 1000 > root 692 inode 684440 errors 1000 > root 692 inode 684458 errors 1000 > root 692 inode 684465 errors 1000 > root 692 inode 684467 errors 1000 > root 692 inode 684487 errors 1000 > root 692 inode 684490 errors 1000 > root 692 inode 684495 errors 1000 > root 693 inode 679573 errors 1000 > root 693 inode 679585 errors 1000 > root 693 inode 679586 errors 1000 > root 693 inode 679592 errors 1000 > root 693 inode 679594 errors 1000 > root 693 inode 679595 errors 1000 > root 693 inode 679599 errors 1000 > root 693 inode 679600 errors 1000 > root 693 inode 679601 errors 1000 > root 693 inode 679602 errors 1000 > root 693 inode 679603 errors 1000 > root 693 inode 679604 errors 1000 > root 693 inode 679605 errors 1000 > root 693 inode 679607 errors 1000 > root 693 inode 679608 errors 1000 > root 693 inode 679609 errors 1000 > root 693 inode 679611 errors 1000 > root 693 inode 679613 errors 1000 > root 693 inode 679614 errors 1000 > root 693 inode 679615 errors 1000 > root 693 inode 679616 errors 1000 > root 693 inode 679617 errors 1000 > root 693 inode 679619 errors 1000 > root 693 inode 679620 errors 1000 > root 693 inode 679621 errors 1000 > root 693 inode 679622 errors 1000 > root 693 inode 679626 errors 1000 > root 693 inode 679627 errors 1000 > root 693 inode 679692 errors 1000 > root 693 inode 679698 errors 1000 > root 693 inode 684383 errors 1000 > root 693 inode 684384 errors 1000 > root 693 inode 684388 errors 1000 > root 693 inode 684432 errors 1000 > root 693 inode 684434 errors 1000 > root 693 inode 684440 errors 1000 > root 693 inode 684458 errors 1000 > root 693 inode 684465 errors 1000 > root 693 inode 684467 errors 1000 > root 693 inode 684487 errors 1000 > root 693 inode 684490 errors 1000 > root 693 inode 684495 errors 1000 > root 700 inode 679573 errors 1000 > root 700 inode 679585 errors 1000 > root 700 inode 679586 errors 1000 > root 700 inode 679592 errors 1000 > root 700 inode 679594 errors 1000 > root 700 inode 679595 errors 1000 > root 700 inode 679599 errors 1000 > root 700 inode 679600 errors 1000 > root 700 inode 679601 errors 1000 > root 700 inode 679602 errors 1000 > root 700 inode 679603 errors 1000 > root 700 inode 679604 errors 1000 > root 700 inode 679605 errors 1000 > root 700 inode 679607 errors 1000 > root 700 inode 679608 errors 1000 > root 700 inode 679609 errors 1000 > root 700 inode 679611 errors 1000 > root 700 inode 679613 errors 1000 > root 700 inode 679614 errors 1000 > root 700 inode 679615 errors 1000 > root 700 inode 679616 errors 1000 > root 700 inode 679617 errors 1000 > root 700 inode 679619 errors 1000 > root 700 inode 679620 errors 1000 > root 700 inode 679621 errors 1000 > root 700 inode 679622 errors 1000 > root 700 inode 679626 errors 1000 > root 700 inode 679627 errors 1000 > root 700 inode 679692 errors 1000 > root 700 inode 679698 errors 1000 > root 700 inode 684383 errors 1000 > root 700 inode 684384 errors 1000 > root 700 inode 684388 errors 1000 > root 700 inode 684432 errors 1000 > root 700 inode 684434 errors 1000 > root 700 inode 684440 errors 1000 > root 700 inode 684458 errors 1000 > root 700 inode 684465 errors 1000 > root 700 inode 684467 errors 1000 > root 700 inode 684487 errors 1000 > root 700 inode 684490 errors 1000 > root 700 inode 684495 errors 1000 > root 701 inode 679573 errors 1000 > root 701 inode 679585 errors 1000 > root 701 inode 679586 errors 1000 > root 701 inode 679592 errors 1000 > root 701 inode 679594 errors 1000 > root 701 inode 679595 errors 1000 > root 701 inode 679599 errors 1000 > root 701 inode 679600 errors 1000 > root 701 inode 679601 errors 1000 > root 701 inode 679602 errors 1000 > root 701 inode 679603 errors 1000 > root 701 inode 679604 errors 1000 > root 701 inode 679605 errors 1000 > root 701 inode 679607 errors 1000 > root 701 inode 679608 errors 1000 > root 701 inode 679609 errors 1000 > root 701 inode 679611 errors 1000 > root 701 inode 679613 errors 1000 > root 701 inode 679614 errors 1000 > root 701 inode 679615 errors 1000 > root 701 inode 679616 errors 1000 > root 701 inode 679617 errors 1000 > root 701 inode 679619 errors 1000 > root 701 inode 679620 errors 1000 > root 701 inode 679621 errors 1000 > root 701 inode 679622 errors 1000 > root 701 inode 679626 errors 1000 > root 701 inode 679627 errors 1000 > root 701 inode 679692 errors 1000 > root 701 inode 679698 errors 1000 > root 701 inode 684383 errors 1000 > root 701 inode 684384 errors 1000 > root 701 inode 684388 errors 1000 > root 701 inode 684432 errors 1000 > root 701 inode 684434 errors 1000 > root 701 inode 684440 errors 1000 > root 701 inode 684458 errors 1000 > root 701 inode 684465 errors 1000 > root 701 inode 684467 errors 1000 > root 701 inode 684487 errors 1000 > root 701 inode 684490 errors 1000 > root 701 inode 684495 errors 1000 > root 754 inode 834204 errors 1000 > root 755 inode 834204 errors 1000 > root 756 inode 834204 errors 1000 > root 757 inode 834204 errors 1000 > root 758 inode 834204 errors 1000 > root 759 inode 834204 errors 1000 > root 760 inode 834204 errors 1000 > root 761 inode 834204 errors 1000 > root 762 inode 834204 errors 1000 > root 763 inode 834204 errors 1000 > root 764 inode 834204 errors 1000 > root 765 inode 834204 errors 1000 > root 766 inode 834204 errors 1000 > root 767 inode 834204 errors 1000 > root 768 inode 834204 errors 1000 > root 769 inode 834204 errors 1000 > root 770 inode 834204 errors 1000 > root 771 inode 834204 errors 1000 > root 772 inode 834204 errors 1000 > root 774 inode 834204 errors 1000 > root 775 inode 834204 errors 1000 > root 778 inode 834204 errors 1000 > root 779 inode 834204 errors 1000 > root 780 inode 834204 errors 1000 > root 781 inode 834204 errors 1000 > root 781 inode 878157 errors 1000 > root 781 inode 878158 errors 1000 > root 781 inode 878159 errors 1000 > root 781 inode 878413 errors 1000 > root 782 inode 878157 errors 1000 > root 782 inode 878158 errors 1000 > root 782 inode 878159 errors 1000 > root 782 inode 878413 errors 1000 > root 783 inode 878157 errors 1000 > root 783 inode 878158 errors 1000 > root 783 inode 878159 errors 1000 > root 783 inode 878413 errors 1000 > root 784 inode 878157 errors 1000 > root 784 inode 878158 errors 1000 > root 784 inode 878159 errors 1000 > root 784 inode 878413 errors 1000 > root 785 inode 878157 errors 1000 > root 785 inode 878158 errors 1000 > root 785 inode 878159 errors 1000 > root 785 inode 878413 errors 1000 > root 786 inode 878157 errors 1000 > root 786 inode 878158 errors 1000 > root 786 inode 878159 errors 1000 > root 786 inode 878413 errors 1000 > root 787 inode 878157 errors 1000 > root 787 inode 878158 errors 1000 > root 787 inode 878159 errors 1000 > root 787 inode 878413 errors 1000 > root 788 inode 878157 errors 1000 > root 788 inode 878158 errors 1000 > root 788 inode 878159 errors 1000 > root 788 inode 878413 errors 1000 > root 789 inode 878157 errors 1000 > root 789 inode 878158 errors 1000 > root 789 inode 878159 errors 1000 > root 789 inode 878413 errors 1000 > root 790 inode 878157 errors 1000 > root 790 inode 878158 errors 1000 > root 790 inode 878159 errors 1000 > root 790 inode 878413 errors 1000 > root 791 inode 878157 errors 1000 > root 791 inode 878158 errors 1000 > root 791 inode 878159 errors 1000 > root 791 inode 878413 errors 1000 > root 792 inode 878157 errors 1000 > root 792 inode 878158 errors 1000 > root 792 inode 878159 errors 1000 > root 792 inode 878413 errors 1000 > root 793 inode 878157 errors 1000 > root 793 inode 878158 errors 1000 > root 793 inode 878159 errors 1000 > root 793 inode 878413 errors 1000 > root 794 inode 878157 errors 1000 > root 794 inode 878158 errors 1000 > root 794 inode 878159 errors 1000 > root 794 inode 878413 errors 1000 > root 795 inode 878157 errors 1000 > root 795 inode 878158 errors 1000 > root 795 inode 878159 errors 1000 > root 795 inode 878413 errors 1000 > root 796 inode 878157 errors 1000 > root 796 inode 878158 errors 1000 > root 796 inode 878159 errors 1000 > root 796 inode 878413 errors 1000 > root 797 inode 878157 errors 1000 > root 797 inode 878158 errors 1000 > root 797 inode 878159 errors 1000 > root 797 inode 878413 errors 1000 > root 798 inode 878157 errors 1000 > root 798 inode 878158 errors 1000 > root 798 inode 878159 errors 1000 > root 798 inode 878413 errors 1000 > root 799 inode 878157 errors 1000 > root 799 inode 878158 errors 1000 > root 799 inode 878159 errors 1000 > root 799 inode 878413 errors 1000 > root 800 inode 878157 errors 1000 > root 800 inode 878158 errors 1000 > root 800 inode 878159 errors 1000 > root 800 inode 878413 errors 1000 > root 801 inode 878157 errors 1000 > root 801 inode 878158 errors 1000 > root 801 inode 878159 errors 1000 > root 801 inode 878413 errors 1000 > root 802 inode 878157 errors 1000 > root 802 inode 878158 errors 1000 > root 802 inode 878159 errors 1000 > root 802 inode 878413 errors 1000 > root 803 inode 878157 errors 1000 > root 803 inode 878158 errors 1000 > root 803 inode 878159 errors 1000 > root 803 inode 878413 errors 1000 > root 804 inode 878157 errors 1000 > root 804 inode 878158 errors 1000 > root 804 inode 878159 errors 1000 > root 804 inode 878413 errors 1000 > root 805 inode 878157 errors 1000 > root 805 inode 878158 errors 1000 > root 805 inode 878159 errors 1000 > root 805 inode 878413 errors 1000 > root 806 inode 878157 errors 1000 > root 806 inode 878158 errors 1000 > root 806 inode 878159 errors 1000 > root 806 inode 878413 errors 1000 > root 807 inode 878157 errors 1000 > root 807 inode 878158 errors 1000 > root 807 inode 878159 errors 1000 > root 807 inode 878413 errors 1000 > found 22063673411 bytes used err is 1 > total csum bytes: 19134188 > total tree bytes: 2288513024 > total fs tree bytes: 2131046400 > btree space waste bytes: 623403397 > file data blocks allocated: 93240000512 > referenced 79978369024 > Btrfs Btrfs v0.19 > ------------------------------------------ > > Regards, > Nico -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- "What are we going to do tonight?" "The same thing we do --- every night, Pinky. Try to take over the world!"
signature.asc
Description: Digital signature
