buffer trace for buffer at 0xffff8100020a6180 (I am CPU 0) __set_page_dirty_buffers():[fs/buffer.c:869] set dirty pid 4095 b_state:0x402b b_jlist:BJ_Locked cpu:1 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:939] entry pid 4120 b_state:0x402b b_jlist:BJ_Locked cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:971] has transaction pid 4120 b_state:0x10402b b_jlist:BJ_Locked cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:973] belongs to older transaction pid 4120 b_state:0x10402b b_jlist:BJ_Locked cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 submit_bh():[fs/buffer.c:2864] enter pid 4120 b_state:0x402d b_jlist:BJ_Locked cpu:0 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 submit_bh():[fs/buffer.c:2881] write pid 4120 b_state:0x402d b_jlist:BJ_Locked cpu:0 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 sync_buffer():[fs/buffer.c:66] enter pid 4095 b_state:0x402d b_jlist:BJ_Locked cpu:1 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 sync_buffer():[fs/buffer.c:66] enter pid 4120 b_state:0x402d b_jlist:BJ_Locked cpu:0 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 sync_buffer():[fs/buffer.c:66] enter pid 1690 b_state:0x402d b_jlist:BJ_Locked cpu:0 b_count:5 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 end_buffer_write_sync():[fs/buffer.c:140] uptodate pid 4126 b_state:0x402d b_jlist:BJ_Locked cpu:0 b_count:5 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 journal_unmap_buffer():[fs/jbd/transaction.c:1763] entry pid 4095 b_state:0x402d b_jlist:BJ_Locked cpu:1 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:1 pg_dirty:1 __dispose_buffer():[fs/jbd/transaction.c:1693] unfile pid 4095 b_state:0x10402d b_jlist:BJ_Locked cpu:1 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:2 pg_dirty:1 __journal_temp_unlink_buffer():[fs/jbd/transaction.c:1501] entry pid 4095 b_state:0x10402d b_jlist:BJ_Locked cpu:1 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:2 pg_dirty:1 __dispose_buffer():[fs/jbd/transaction.c:1702] on running transaction pid 4095 b_state:0x10402d b_jlist:BJ_None cpu:1 b_count:4 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:0 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:0 b_jcount:2 pg_dirty:1 __brelse():[fs/buffer.c:1306] entry pid 4095 b_state:0x10402d b_jlist:BJ_None cpu:1 b_count:5 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:0 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:0 b_jcount:2 pg_dirty:1 __set_page_dirty_buffers():[fs/buffer.c:869] set dirty pid 4095 b_state:0x4001 b_jlist:BJ_None cpu:1 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:0 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 __set_page_dirty_buffers():[fs/buffer.c:869] set dirty pid 4095 b_state:0x4003 b_jlist:BJ_None cpu:1 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:0 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:1055] not on correct data list: unfile pid 4120 b_state:0x104003 b_jlist:BJ_None cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:0 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 __journal_temp_unlink_buffer():[fs/jbd/transaction.c:1501] entry pid 4120 b_state:0x104003 b_jlist:BJ_None cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:0 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:1059] file as data pid 4120 b_state:0x104003 b_jlist:BJ_None cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 __journal_file_buffer():[fs/jbd/transaction.c:1947] entry pid 4120 b_state:0x104003 b_jlist:BJ_None cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 __journal_temp_unlink_buffer():[fs/jbd/transaction.c:1501] entry pid 4120 b_state:0x104003 b_jlist:BJ_None cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 __journal_file_buffer():[fs/jbd/transaction.c:2010] filed pid 4120 b_state:0x104003 b_jlist:BJ_SyncData cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:1071] brelse pid 4120 b_state:0x4003 b_jlist:BJ_SyncData cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 __brelse():[fs/buffer.c:1306] entry pid 4120 b_state:0x4003 b_jlist:BJ_SyncData cpu:0 b_count:3 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 journal_dirty_data():[fs/jbd/transaction.c:1074] exit pid 4120 b_state:0x4003 b_jlist:BJ_SyncData cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:1 b_trans_is_comitting:0 b_jcount:1 pg_dirty:1 journal_submit_data_buffers():[fs/jbd/commit.c:242] needs writeout, adding to array pid 1690 b_state:0x104005 b_jlist:BJ_SyncData cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 __journal_file_buffer():[fs/jbd/transaction.c:1947] entry pid 1690 b_state:0x104005 b_jlist:BJ_SyncData cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 __journal_temp_unlink_buffer():[fs/jbd/transaction.c:1501] entry pid 1690 b_state:0x104005 b_jlist:BJ_SyncData cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 __journal_file_buffer():[fs/jbd/transaction.c:2010] filed pid 1690 b_state:0x104005 b_jlist:BJ_Locked cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 submit_bh():[fs/buffer.c:2864] enter pid 1690 b_state:0x4005 b_jlist:BJ_Locked cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 print_buffer_trace():[fs/jbd-kernel.c:230] pid 1690 b_state:0x4005 b_jlist:BJ_Locked cpu:0 b_count:2 b_blocknr:30045 b_jbd:1 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:1 b_next_transaction:0 b_cp_transaction:0 b_trans_is_running:0 b_trans_is_comitting:1 b_jcount:0 pg_dirty:1 b_blocknr:30045 b_count:2 b_this_page:ffff81001d4fb340 b_data:ffff81001eb3e400 b_page:ffff810001a8ed50 b_jlist:8 b_frozen_data:0000000000000000 b_committed_data:0000000000000000 b_transaction:ffff8100335915e8 b_next_transaction:0000000000000000 b_cp_transaction:0000000000000000 b_cpnext:0000000000000000 b_cpprev:0000000000000000 Call Trace: [] show_trace+0xb8/0x354 [] dump_stack+0x13/0x15 [] print_buffer_trace+0x1f5/0x20f [] buffer_assertion_failure+0x26/0x28 [] submit_bh+0x84/0x212 [] :jbd:journal_do_submit_data+0x3b/0x49 [] :jbd:journal_commit_transaction+0x688/0x14bb [] :jbd:kjournald+0xca/0x25e [] kthread+0x103/0x131 [] child_rip+0xa/0x12 Assertion failure in submit_bh() at fs/buffer.c:2867: "buffer_mapped(bh)" ----------- [cut here ] --------- [please bite here ] --------- Kernel BUG at fs/buffer.c:2867 invalid opcode: 0000 [1] SMP last sysfs file: /class/fc_host/host0/statistics/seconds_since_last_reset CPU 0 Modules linked in: qla2xxx(U) scsi_transport_fc(U) ipv6(U) parport_pc(U) lp(U) parport(U) autofs4(U) i2c_dev(U) i2c_core(U) nfs(U) lockd(U) fscache(U) nfs_acl(U) sunrpc(U) video(U) button(U) battery(U) asus_acpi(U) ac(U) ohci_hcd(U) shpchp(U) amd_rng(U) k8_edac(U) edac_mc(U) tg3(U) floppy(U) ide_cd(U) cdrom(U) dm_snapshot(U) dm_zero(U) dm_mirror(U) ext3(U) jbd(U) dm_mod(U) mptscsih(U) mptbase(U) sd_mod(U) scsi_mod(U) Pid: 1690, comm: kjournald Not tainted 2.6.18-fc6 #2 RIP: 0010:[] [] submit_bh+0xb4/0x212 RSP: 0018:ffff81001df83d00 EFLAGS: 00010286 RAX: 000000000000004d RBX: 0000000000000072 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff810037c8f0c0 RBP: ffff81001df83d20 R08: 0000000000000002 R09: ffffffff80217822 R10: ffffffff80217822 R11: ffffffff80591540 R12: ffff8100020a6180 R13: 0000000000000001 R14: 0000000000000000 R15: ffff81001deaeaa0 FS: 00002aaaaaac9b00(0000) GS:ffffffff80696000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00002aaaaab4f425 CR3: 0000000015ed1000 CR4: 00000000000006e0 Process kjournald (pid: 1690, threadinfo ffff81001df82000, task ffff810037c8f0c0) Stack: 0000000000000072 0000000000000072 0000000000000074 ffff81001e989750 ffff81001df83d50 ffffffff88088063 ffff81001deaedd0 0000000000000001 ffff81001c9a15e0 ffff8100335915e8 ffff81001df83e40 ffffffff880886f9 Call Trace: [] :jbd:journal_do_submit_data+0x3b/0x49 [] :jbd:journal_commit_transaction+0x688/0x14bb [] :jbd:kjournald+0xca/0x25e [] kthread+0x103/0x131 [] child_rip+0xa/0x12 Code: 0f 0b 68 2c 03 4b 80 c2 33 0b 49 83 7c 24 38 00 75 42 4c 89 RIP [] submit_bh+0xb4/0x212 RSP <0>Kernel panic - not syncing: Fatal exception