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
[ 66.476977] [<c06f6d7f>] ? add_inode_ref+0x480/0x480
[ 66.476987] [<c06c78b8>] open_ctree+0x116a/0x1415
[ 66.476998] [<c06ac8a6>] btrfs_mount+0x43b/0x749
[ 66.477009] [<c04bf7b1>] ? cpumask_next+0x12/0x14
[ 66.477018] [<c04c0729>] ? pcpu_alloc+0x6ca/0x6ff
[ 66.477027] [<c0768c3a>] ? ida_get_new_above+0x14a/0x164
[ 66.477036] [<c04f9aa5>] ? alloc_vfsmnt+0x80/0x111
[ 66.477046] [<c04d9236>] ? __kmalloc_track_caller+0x134/0x13e
[ 66.477055] [<c04e86bf>] mount_fs+0x62/0x139
[ 66.477064] [<c04f9ff5>] vfs_kern_mount+0x4f/0x7b
[ 66.477073] [<c04fafef>] do_kern_mount+0x38/0xb6
[ 66.477082] [<c04fb67c>] do_mount+0x60f/0x65c
[ 66.477090] [<c04bcf78>] ? strndup_user+0x29/0x3a
[ 66.477098] [<c04fb731>] sys_mount+0x68/0x94
[ 66.477108] [<c09c69bc>] syscall_call+0x7/0xb
[ 66.477112] Code: e4 8d 55 e4 89 45 e8 8b 45 d8 8d 4d ec 89 14 24 8b
55 b4 e8 c6 f8 ff ff 85 c0 78 0f 8b 55 f0 3b 57 04 8b 45 ec 75 04 3b 07
74 04 <0f> 0b eb fe 8b 4d b4 8b 5d b4 8b 49 0c 89 4d dc 8b 4b 10 39 ca
[ 66.477179] EIP: [<c06f7b6f>] remove_from_bitmap+0xa8/0x285 SS:ESP
0068:f2f5b9ec
[ 66.477235] ---[ end trace 2e72e8358ee32e95 ]---
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