On Sat, Feb 11, 2012 at 03:44:08PM +0100, Daniel Kuhn wrote: > The mount option "-o recovery" doesn't change anything, the > segmentation fault still occurs. Any ideas?
Sorry for the hassle, you should be able to get by this by zeroing the log root. Run btrfs-zero-log /dev/xxx -chris > > Daniel > > > cwillu wrote: > >On Wed, Feb 8, 2012 at 4:19 PM, Daniel Kuhn <che...@swissonline.ch> wrote: > >>After a forced power turn-off the filesystem of my primary boot partition > >>cannot be mounted anymore, > >>btrfs crashes during the mount process. I'm using OpenSuse 12.1 but I've > >>also tried mounting with a newer kernel 3.2.2 (systemrescue cd) and with a > >>usb-converter connected to another PC without success. > >> > >>The kernel log seems pretty specific about the crash location, see below. > >> > >>Best regards, > >>Daniel Kuhn > >> > >> > >>[ 66.476674] ------------[ cut here ]------------ > >>[ 66.476684] kernel BUG at fs/btrfs/free-space-cache.c:1515! > >>[ 66.476691] invalid opcode: 0000 [#1] SMP > >>[ 66.476699] Modules linked in: tpm_tis tpm tpm_bios i2c_nforce2 serio_raw > >>pcspkr floppy k10temp asus_atk0110 raid10 raid456 async_raid6_recov async_pq > >>raid6_pq async_xor xor async_memcpy async_tx raid1 raid0 multipath linear > >>ata_generic nouveau ttm drm_kms_helper drm i2c_algo_bit firewire_ohci > >>i2c_core pata_acpi mxm_wmi forcedeth pata_marvell firewire_core pata_amd > >>video wmi > >>[ 66.476752] > >>[ 66.476759] Pid: 1844, comm: mount Not tainted 3.2.2-alt250-i586 #2 > >>System manufacturer System Product Name/M3N-HT DELUXE > >>[ 66.476772] EIP: 0060:[<c06f7b6f>] EFLAGS: 00010206 CPU: 2 > >>[ 66.476785] EIP is at remove_from_bitmap+0xa8/0x285 > >>[ 66.476792] EAX: 6a92c000 EBX: 00000000 ECX: 0005c000 EDX: 00000002 > >>[ 66.476799] ESI: f2f5baa8 EDI: f2f5ba8c EBP: f2f5ba48 ESP: f2f5b9ec > >>[ 66.476805] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > >>[ 66.476813] Process mount (pid: 1844, ti=f2f5a000 task=f2ff7080 > >>task.ti=f2f5a000) > >>[ 66.476818] Stack: > >>[ 66.476822] f2f5ba2c 00000385 00000000 f2f5ba58 f2750370 f2f5ba48 > >>f2f5ba44 f2f5ba40 > >>[ 66.476837] 00000019 71bfffff 00000002 71c00000 00000002 f3159600 > >>073ba000 00000000 > >>[ 66.476851] 0005c000 00000000 6a92c000 00000002 f2f5baa8 00000000 > >>f2750370 f2f5baa0 > >>[ 66.476865] Call Trace: > >>[ 66.476877] [<c06f9bf4>] btrfs_remove_free_space+0x34c/0x370 > >>[ 66.476889] [<c06bcfa3>] btrfs_alloc_logged_file_extent+0x114/0x211 > >>[ 66.476900] [<c06af00c>] ? btrfs_free_path+0x1b/0x1e > >>[ 66.476909] [<c06af00c>] ? btrfs_free_path+0x1b/0x1e > >>[ 66.476919] [<c06f5afd>] replay_one_extent+0x470/0x5f2 > >>[ 66.476929] [<c050ef9a>] ? __fsnotify_inode_delete+0x8/0xa > >>[ 66.476941] [<c06f6f55>] replay_one_buffer+0x1d6/0x229 > >>[ 66.476950] [<c06f2cfe>] walk_down_log_tree+0x15b/0x2cd > >>[ 66.476959] [<c06f3062>] walk_log_tree+0x71/0x188 > >>[ 66.476968] [<c06f5011>] btrfs_recover_log_trees+0x24a/0x257 > >>[snip] > > > >-o recovery under 3.2 or later should fix it up. You'll want to > >remain on 3.2 at that point, and then switch to 3.3 when that's > >released, and so on. > >-- > >To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > >the body of a message to majord...@vger.kernel.org > >More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html