On Thursday 05 May 2011 22:32:42 Chris Mason wrote: > Excerpts from Konstantinos Skarlatos's message of 2011-05-05 16:27:54 -0400: > > I think i made some progress. When i tried to remove the directory that > > i suspect contains the problematic file, i got this on the console > > > > rm -rf serverloft/ > > Ok, our one bad block is in the extent allocation tree. This is going > to be the very hardest thing to fix. > > Until I finish off the code to rebuild parts of the extent allocation > tree, I think your best bet is to copy the files off. > > The big question is, what happened to make this error? Can you describe > your setup in more detail? > > -chris
It seems that I run into the same problem: parent transid verify failed on 32940560384 wanted 210334 found 210342 BUG: scheduling while atomic: chrome/17058/0x00000002 Modules linked in: snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse dm_crypt dm_mod usbhid snd_intel8x0 snd_ac97_codec sr_mod cdrom ac97_bus snd_pcm sg snd_timer snd e1000 fschmd uhci_hcd snd_page_alloc i2c_i801 [last unloaded: microcode] Pid: 17058, comm: chrome Tainted: G W 2.6.39 #29 Call Trace: [<c13cf70c>] ? schedule+0x78/0x6ef [<c11acabb>] ? generic_make_request+0x1d5/0x22f [<c11acbad>] ? submit_bio+0x98/0x9f [<c118026a>] ? btrfs_map_bio+0x1ab/0x1b5 [<c13cfdc2>] ? io_schedule+0x3f/0x50 [<c105723d>] ? sleep_on_page+0x5/0x8 [<c13d0292>] ? __wait_on_bit+0x31/0x58 [<c1057238>] ? __lock_page+0x52/0x52 [<c1057388>] ? wait_on_page_bit+0x5a/0x62 [<c1037f92>] ? autoremove_wake_function+0x29/0x29 [<c117ab39>] ? read_extent_buffer_pages+0x33a/0x3b5 [<c115891f>] ? btree_read_extent_buffer_pages.clone.51+0x44/0x9e [<c11578b0>] ? verify_parent_transid+0x147/0x147 [<c11593aa>] ? read_tree_block+0x2d/0x3e [<c1144f90>] ? read_block_for_search.clone.36+0xc3/0x35d [<c11863bf>] ? btrfs_tree_unlock+0x19/0x3a [<c11420bb>] ? unlock_up+0x88/0x9f [<c1146f7e>] ? btrfs_search_slot+0x39d/0x4fe [<c1149fa1>] ? lookup_inline_extent_backref+0x116/0x49b [<c11773b0>] ? set_extent_dirty+0x19/0x1d [<c114cbd0>] ? __btrfs_free_extent+0xe2/0x6c6 [<c114fa28>] ? run_clustered_refs+0x6ad/0x720 [<c1191330>] ? btrfs_find_ref_cluster+0x53/0x11f [<c114fb53>] ? btrfs_run_delayed_refs+0xb8/0x18d [<c115d395>] ? __btrfs_end_transaction+0x5a/0x17f [<c115d4dc>] ? btrfs_end_transaction+0x9/0xb [<c1165e19>] ? btrfs_evict_inode+0x190/0x1a7 [<c1092c45>] ? evict+0x56/0xeb [<c108baa8>] ? do_unlinkat+0xc3/0x103 [<c13d1c90>] ? sysenter_do_call+0x12/0x26 [<c13d0000>] ? console_conditional_schedule+0x8/0xf parent transid verify failed on 32940560384 wanted 210334 found 210342 BUG: scheduling while atomic: chrome/17058/0x00000002 Modules linked in: snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse dm_crypt dm_mod usbhid snd_intel8x0 snd_ac97_codec sr_mod cdrom ac97_bus snd_pcm sg snd_timer snd e1000 fschmd uhci_hcd snd_page_alloc i2c_i801 [last unloaded: microcode] Pid: 17058, comm: chrome Tainted: G W 2.6.39 #29 Call Trace: [<c13cf70c>] ? schedule+0x78/0x6ef [<c11acabb>] ? generic_make_request+0x1d5/0x22f [<c11acbad>] ? submit_bio+0x98/0x9f [<c118026a>] ? btrfs_map_bio+0x1ab/0x1b5 [<c13cfdc2>] ? io_schedule+0x3f/0x50 [<c105723d>] ? sleep_on_page+0x5/0x8 [<c13d0292>] ? __wait_on_bit+0x31/0x58 [<c1057238>] ? __lock_page+0x52/0x52 [<c1057388>] ? wait_on_page_bit+0x5a/0x62 [<c1037f92>] ? autoremove_wake_function+0x29/0x29 [<c117ab39>] ? read_extent_buffer_pages+0x33a/0x3b5 [<c116bd50>] ? lookup_extent_mapping+0x5a/0x148 [<c115891f>] ? btree_read_extent_buffer_pages.clone.51+0x44/0x9e [<c11578b0>] ? verify_parent_transid+0x147/0x147 [<c11593aa>] ? read_tree_block+0x2d/0x3e [<c1144f90>] ? read_block_for_search.clone.36+0xc3/0x35d [<c11863bf>] ? btrfs_tree_unlock+0x19/0x3a [<c11420bb>] ? unlock_up+0x88/0x9f [<c1146f7e>] ? btrfs_search_slot+0x39d/0x4fe [<c1149fa1>] ? lookup_inline_extent_backref+0x116/0x49b [<c11773b0>] ? set_extent_dirty+0x19/0x1d [<c114cbd0>] ? __btrfs_free_extent+0xe2/0x6c6 [<c114fa28>] ? run_clustered_refs+0x6ad/0x720 [<c1191330>] ? btrfs_find_ref_cluster+0x53/0x11f [<c114fb53>] ? btrfs_run_delayed_refs+0xb8/0x18d [<c115d395>] ? __btrfs_end_transaction+0x5a/0x17f [<c115d4dc>] ? btrfs_end_transaction+0x9/0xb [<c1165e19>] ? btrfs_evict_inode+0x190/0x1a7 [<c1092c45>] ? evict+0x56/0xeb [<c108baa8>] ? do_unlinkat+0xc3/0x103 [<c13d1c90>] ? sysenter_do_call+0x12/0x26 [<c13d0000>] ? console_conditional_schedule+0x8/0xf parent transid verify failed on 32940560384 wanted 210334 found 210342 BUG: scheduling while atomic: chrome/17058/0x00000002 Modules linked in: snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse dm_crypt dm_mod usbhid snd_intel8x0 snd_ac97_codec sr_mod cdrom ac97_bus snd_pcm sg snd_timer snd e1000 fschmd uhci_hcd snd_page_alloc i2c_i801 [last unloaded: microcode] Pid: 17058, comm: chrome Tainted: G W 2.6.39 #29 Call Trace: [<c13cf70c>] ? schedule+0x78/0x6ef [<c11acabb>] ? generic_make_request+0x1d5/0x22f [<c11acbad>] ? submit_bio+0x98/0x9f [<c118026a>] ? btrfs_map_bio+0x1ab/0x1b5 [<c13cfdc2>] ? io_schedule+0x3f/0x50 [<c105723d>] ? sleep_on_page+0x5/0x8 [<c13d0292>] ? __wait_on_bit+0x31/0x58 [<c1057238>] ? __lock_page+0x52/0x52 [<c1057388>] ? wait_on_page_bit+0x5a/0x62 [<c1037f92>] ? autoremove_wake_function+0x29/0x29 [<c117ab39>] ? read_extent_buffer_pages+0x33a/0x3b5 [<c116bd50>] ? lookup_extent_mapping+0x5a/0x148 [<c115891f>] ? btree_read_extent_buffer_pages.clone.51+0x44/0x9e [<c11578b0>] ? verify_parent_transid+0x147/0x147 [<c11593aa>] ? read_tree_block+0x2d/0x3e [<c1144f90>] ? read_block_for_search.clone.36+0xc3/0x35d [<c11863bf>] ? btrfs_tree_unlock+0x19/0x3a [<c11420bb>] ? unlock_up+0x88/0x9f [<c1146f7e>] ? btrfs_search_slot+0x39d/0x4fe [<c1149fa1>] ? lookup_inline_extent_backref+0x116/0x49b [<c11773b0>] ? set_extent_dirty+0x19/0x1d [<c114cbd0>] ? __btrfs_free_extent+0xe2/0x6c6 [<c114fa28>] ? run_clustered_refs+0x6ad/0x720 [<c1191330>] ? btrfs_find_ref_cluster+0x53/0x11f [<c114fb53>] ? btrfs_run_delayed_refs+0xb8/0x18d [<c115d395>] ? __btrfs_end_transaction+0x5a/0x17f [<c115d4dc>] ? btrfs_end_transaction+0x9/0xb [<c1165e19>] ? btrfs_evict_inode+0x190/0x1a7 [<c1092c45>] ? evict+0x56/0xeb [<c108baa8>] ? do_unlinkat+0xc3/0x103 [<c13d1c90>] ? sysenter_do_call+0x12/0x26 [<c13d0000>] ? console_conditional_schedule+0x8/0xf parent transid verify failed on 32940560384 wanted 210334 found 210342 parent transid verify failed on 32940560384 wanted 210334 found 210342 BUG: unable to handle kernel NULL pointer dereference at 0000001c IP: [<c1153acd>] btrfs_print_leaf+0xd/0x76e *pdpt = 00000000220ee001 *pde = 0000000000000000 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /sys/devices/virtual/vtconsole/vtcon1/uevent Modules linked in: snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse dm_crypt dm_mod usbhid snd_intel8x0 snd_ac97_codec sr_mod cdrom ac97_bus snd_pcm sg snd_timer snd e1000 fschmd uhci_hcd snd_page_alloc i2c_i801 [last unloaded: microcode] Pid: 17058, comm: chrome Tainted: G W 2.6.39 #29 FUJITSU SIEMENS SCENIC P / SCENICO P/D1561 EIP: 0060:[<c1153acd>] EFLAGS: 00010296 CPU: 1 EIP is at btrfs_print_leaf+0xd/0x76e EAX: f6414800 EBX: f6414800 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: f602b1c0 EBP: fffffffb ESP: d63ddd44 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process chrome (pid: 17058, ti=d63dc000 task=e2375b00 task.ti=d63dc000) Stack: 00000000 00000000 00000000 f602b1c0 00000000 c114cbd0 d63ddde4 d5d86000 00000022 00001000 00000000 00000000 00000000 0000014e 00000000 0000014e 00000000 f602b1c0 fffffffb c114ce06 00000000 00000000 00000026 f6414800 Call Trace: [<c114cbd0>] ? __btrfs_free_extent+0xe2/0x6c6 [<c114ce06>] ? __btrfs_free_extent+0x318/0x6c6 [<c114fa28>] ? run_clustered_refs+0x6ad/0x720 [<c1191330>] ? btrfs_find_ref_cluster+0x53/0x11f [<c114fb53>] ? btrfs_run_delayed_refs+0xb8/0x18d [<c115d395>] ? __btrfs_end_transaction+0x5a/0x17f [<c115d4dc>] ? btrfs_end_transaction+0x9/0xb [<c1165e19>] ? btrfs_evict_inode+0x190/0x1a7 [<c1092c45>] ? evict+0x56/0xeb [<c108baa8>] ? do_unlinkat+0xc3/0x103 [<c13d1c90>] ? sysenter_do_call+0x12/0x26 [<c13d0000>] ? console_conditional_schedule+0x8/0xf Code: 01 00 8b 0c 24 51 56 53 55 57 52 50 68 bd b0 4b c1 e8 87 b9 27 00 83 c4 2c 5b 5e 5f 5d c3 55 57 56 53 83 ec 3c 89 c3 89 54 24 04 <8b> 42 1c e8 68 8e ec ff 8b 50 60 89 54 24 24 e8 f4 8c ec ff 8b EIP: [<c1153acd>] btrfs_print_leaf+0xd/0x76e SS:ESP 0068:d63ddd44 CR2: 000000000000001c ---[ end trace 8a0695cc90b08578 ]--- The setup is a single disk installation with one filesystem and three subvolumes (default one, one for / and one for /home). When it first time happened, the kernel was 2.6.39-rc6 and only the home-subvolume was affected. Now I get a panic when booting the system. If you need more infos, please tell me. regards, Johannes -- 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
