dmesg: [ 3000.613310] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3000.613314] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3000.613314] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3000.613315] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3000.613318] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3000.613319] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3000.613321] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3000.613322] Call Trace: [ 3000.613327] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3000.613341] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3000.613344] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3000.613349] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3000.613351] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3000.613356] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3000.613364] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3000.613370] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3000.613376] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3000.613382] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3000.613388] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3000.613395] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3000.613400] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3000.613406] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3000.613411] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3000.613412] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3000.613414] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3000.613415] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3000.613416] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3120.613665] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3120.613669] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3120.613669] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3120.613670] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3120.613672] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3120.613674] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3120.613675] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3120.613676] Call Trace: [ 3120.613682] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3120.613695] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3120.613698] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3120.613702] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3120.613704] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3120.613709] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3120.613716] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3120.613721] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3120.613727] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3120.613732] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3120.613744] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3120.613749] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3120.613754] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3120.613759] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3120.613764] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3120.613766] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3120.613767] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3120.613768] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3120.613769] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3240.614145] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3240.614148] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3240.614149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3240.614150] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3240.614152] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3240.614154] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3240.614155] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3240.614156] Call Trace: [ 3240.614161] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3240.614174] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3240.614177] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3240.614181] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3240.614183] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3240.614188] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3240.614194] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3240.614200] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3240.614206] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3240.614211] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3240.614217] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3240.614222] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3240.614227] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3240.614232] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3240.614236] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3240.614238] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3240.614239] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3240.614240] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3240.614241] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3360.614630] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3360.614634] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3360.614635] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3360.614636] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3360.614638] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3360.614640] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3360.614641] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3360.614642] Call Trace: [ 3360.614647] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3360.614660] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3360.614663] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3360.614667] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3360.614669] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3360.614674] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3360.614681] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3360.614687] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3360.614692] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3360.614698] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3360.614703] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3360.614709] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3360.614713] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3360.614718] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3360.614723] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3360.614724] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3360.614725] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3360.614727] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3360.614728] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3480.615115] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3480.615118] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3480.615118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3480.615119] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3480.615122] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3480.615124] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3480.615125] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3480.615126] Call Trace: [ 3480.615131] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3480.615145] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3480.615148] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3480.615152] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3480.615154] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3480.615159] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3480.615166] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3480.615171] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3480.615177] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3480.615182] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3480.615187] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3480.615193] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3480.615198] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3480.615203] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3480.615207] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3480.615209] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3480.615210] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3480.615211] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3480.615212] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3600.615585] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3600.615589] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3600.615589] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3600.615590] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3600.615593] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3600.615594] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3600.615596] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3600.615597] Call Trace: [ 3600.615602] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3600.615616] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3600.615619] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3600.615623] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3600.615625] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3600.615630] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3600.615637] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3600.615642] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3600.615647] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3600.615653] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3600.615658] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3600.615664] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3600.615669] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3600.615673] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3600.615678] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3600.615680] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3600.615681] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3600.615682] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3600.615683] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3720.616073] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3720.616076] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3720.616077] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3720.616078] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3720.616080] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3720.616082] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3720.616083] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3720.616084] Call Trace: [ 3720.616089] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3720.616103] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3720.616106] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3720.616111] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3720.616113] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3720.616119] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3720.616127] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3720.616133] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3720.616138] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3720.616144] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3720.616150] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3720.616155] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3720.616161] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3720.616166] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3720.616170] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3720.616172] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3720.616173] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3720.616175] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3720.616176] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3840.616538] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3840.616541] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3840.616542] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3840.616543] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3840.616545] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3840.616547] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3840.616548] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3840.616549] Call Trace: [ 3840.616555] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3840.616569] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3840.616572] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3840.616576] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3840.616579] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3840.616584] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3840.616592] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3840.616598] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3840.616604] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3840.616609] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3840.616615] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3840.616621] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3840.616626] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3840.616631] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3840.616636] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3840.616637] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3840.616638] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3840.616640] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3840.616641] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3960.617033] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 3960.617037] Tainted: G U 4.2.3-040203-generic #201510030832 [ 3960.617037] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3960.617038] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 3960.617041] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 3960.617042] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 3960.617043] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 3960.617045] Call Trace: [ 3960.617050] [<ffffffff817a6357>] schedule+0x37/0x80 [ 3960.617064] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 3960.617067] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 3960.617072] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 3960.617075] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 3960.617081] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 3960.617088] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 3960.617095] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 3960.617101] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 3960.617106] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 3960.617112] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 3960.617118] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 3960.617123] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 3960.617128] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 3960.617133] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 3960.617134] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 3960.617136] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 3960.617137] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 3960.617138] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 4080.617509] INFO: task btrfs-transacti:11423 blocked for more than 120 seconds. [ 4080.617512] Tainted: G U 4.2.3-040203-generic #201510030832 [ 4080.617513] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4080.617514] btrfs-transacti D 0000000000000000 0 11423 2 0x00000000 [ 4080.617516] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 ffff8802121d2640 [ 4080.617518] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 ffff8801aa607940 [ 4080.617519] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 ffffffff817a6357 [ 4080.617520] Call Trace: [ 4080.617525] [<ffffffff817a6357>] schedule+0x37/0x80 [ 4080.617539] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] [ 4080.617542] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 [ 4080.617546] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] [ 4080.617548] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 [ 4080.617553] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] [ 4080.617560] [<ffffffffc034db13>] ? btrfs_delete_delayed_items+0x313/0x330 [btrfs] [ 4080.617566] [<ffffffffc034d484>] ? btrfs_insert_delayed_items+0xa4/0x420 [btrfs] [ 4080.617571] [<ffffffffc034dd3a>] __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] [ 4080.617576] [<ffffffffc034e03c>] __btrfs_run_delayed_items+0x17c/0x210 [btrfs] [ 4080.617582] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] [ 4080.617587] [<ffffffffc02f85c8>] btrfs_commit_transaction+0x2c8/0xb10 [btrfs] [ 4080.617592] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] [ 4080.617597] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] [ 4080.617601] [<ffffffffc02f37a0>] ? btrfs_cleanup_transaction+0x540/0x540 [btrfs] [ 4080.617603] [<ffffffff81094e69>] kthread+0xc9/0xe0 [ 4080.617604] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [ 4080.617605] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [ 4080.617606] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [44929.058013] ------------[ cut here ]------------ [44929.058035] WARNING: CPU: 0 PID: 39 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_uncore.c:70 assert_device_not_suspended.isra.11+0x53/0x60 [i915]() [44929.058036] Device suspended [44929.058037] Modules linked in: xt_nat veth xt_conntrack xt_addrtype br_netfilter nvram msr dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c ir_lirc_codec lirc_dev ir_xmp_decoder ir_sony_decoder ir_sharp_decoder ir_mce_kbd_decoder ir_sanyo_decoder ir_rc6_decoder ir_nec_decoder ir_jvc_decoder ir_rc5_decoder rc_rc6_mce xt_CHECKSUM iptable_mangle mceusb ipt_MASQUERADE nf_nat_masquerade_ipv4 rc_core input_leds iptable_nat nf_conntrack_ipv4 joydev nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables autofs4 eeepc_wmi asus_wmi sparse_keymap snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core dm_multipath snd_hwdep scsi_dh snd_pcm intel_rapl iosf_mbi x86_pkg_temp_thermal snd_seq_midi snd_seq_midi_event intel_powerclamp kvm snd_rawmidi crct10dif_pclmul crc32_pclmul snd_seq rfcomm bnep ghash_clmulni_intel bluetooth snd_seq_device cryptd snd_timer serio_raw snd lpc_ich mei_me mei soundcore shpchp mac_hid parport_pc ppdev nct6775 hwmon_vid coretemp lp parport nfsd auth_rpcgss nfs_acl nfs binfmt_misc lockd grace sunrpc fscache btrfs xor raid6_pq nls_iso8859_1 dm_mirror dm_region_hash dm_log hid_generic usbhid hid uas usb_storage psmouse ahci libahci wmi i915 video i2c_algo_bit drm_kms_helper drm e1000e ptp pps_core [44929.058088] CPU: 0 PID: 39 Comm: kswapd0 Tainted: G U 4.2.3-040203-generic #201510030832 [44929.058089] Hardware name: ASUS All Series/H87I-PLUS, BIOS 2003 11/05/2014 [44929.058090] ffffffffc01e5c78 ffff8800d5edb988 ffffffff817a2803 0000000000000000 [44929.058092] ffff8800d5edb9d8 ffff8800d5edb9c8 ffffffff810771da ffff88020a942d28 [44929.058093] ffff8802120b0000 0000000000100010 0000000000100010 ffff8802120b0080 [44929.058094] Call Trace: [44929.058098] [<ffffffff817a2803>] dump_stack+0x45/0x57 [44929.058100] [<ffffffff810771da>] warn_slowpath_common+0x8a/0xc0 [44929.058102] [<ffffffff81077256>] warn_slowpath_fmt+0x46/0x50 [44929.058110] [<ffffffffc0169cc3>] assert_device_not_suspended.isra.11+0x53/0x60 [i915] [44929.058116] [<ffffffffc016b61a>] hsw_write32+0x3a/0x130 [i915] [44929.058123] [<ffffffffc0149eb0>] i915_gem_write_fence+0x210/0x520 [i915] [44929.058125] [<ffffffff813a5ea1>] ? __sg_free_table+0x71/0x90 [44929.058131] [<ffffffffc014a266>] i915_gem_object_update_fence+0xa6/0xd0 [i915] [44929.058137] [<ffffffffc014a31a>] i915_gem_object_put_fence+0x8a/0xd0 [i915] [44929.058142] [<ffffffffc014a4e7>] i915_vma_unbind+0x187/0x230 [i915] [44929.058148] [<ffffffffc014d2d6>] i915_gem_shrink+0x156/0x230 [i915] [44929.058153] [<ffffffffc014d43d>] i915_gem_shrinker_scan+0x8d/0xa0 [i915] [44929.058156] [<ffffffff81186b37>] shrink_slab+0x207/0x380 [44929.058157] [<ffffffff8118b1f1>] shrink_zone+0x291/0x2b0 [44929.058158] [<ffffffff8118c160>] kswapd+0x500/0x9b0 [44929.058159] [<ffffffff8118bc60>] ? mem_cgroup_shrink_node_zone+0x130/0x130 [44929.058160] [<ffffffff81094e69>] kthread+0xc9/0xe0 [44929.058161] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [44929.058163] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [44929.058164] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [44929.058165] ---[ end trace 975c39f656782ad7 ]--- [44929.058171] ------------[ cut here ]------------ [44929.058179] WARNING: CPU: 0 PID: 39 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_uncore.c:620 hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915]() [44929.058179] Unclaimed register detected before reading register 0x100010 [44929.058180] Modules linked in: xt_nat veth xt_conntrack xt_addrtype br_netfilter nvram msr dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c ir_lirc_codec lirc_dev ir_xmp_decoder ir_sony_decoder ir_sharp_decoder ir_mce_kbd_decoder ir_sanyo_decoder ir_rc6_decoder ir_nec_decoder ir_jvc_decoder ir_rc5_decoder rc_rc6_mce xt_CHECKSUM iptable_mangle mceusb ipt_MASQUERADE nf_nat_masquerade_ipv4 rc_core input_leds iptable_nat nf_conntrack_ipv4 joydev nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables autofs4 eeepc_wmi asus_wmi sparse_keymap snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core dm_multipath snd_hwdep scsi_dh snd_pcm intel_rapl iosf_mbi x86_pkg_temp_thermal snd_seq_midi snd_seq_midi_event intel_powerclamp kvm snd_rawmidi crct10dif_pclmul crc32_pclmul snd_seq rfcomm bnep ghash_clmulni_intel bluetooth snd_seq_device cryptd snd_timer serio_raw snd lpc_ich mei_me mei soundcore shpchp mac_hid parport_pc ppdev nct6775 hwmon_vid coretemp lp parport nfsd auth_rpcgss nfs_acl nfs binfmt_misc lockd grace sunrpc fscache btrfs xor raid6_pq nls_iso8859_1 dm_mirror dm_region_hash dm_log hid_generic usbhid hid uas usb_storage psmouse ahci libahci wmi i915 video i2c_algo_bit drm_kms_helper drm e1000e ptp pps_core [44929.058204] CPU: 0 PID: 39 Comm: kswapd0 Tainted: G U W 4.2.3-040203-generic #201510030832 [44929.058205] Hardware name: ASUS All Series/H87I-PLUS, BIOS 2003 11/05/2014 [44929.058205] ffffffffc01e5c78 ffff8800d5edb968 ffffffff817a2803 0000000000000000 [44929.058206] ffff8800d5edb9b8 ffff8800d5edb9a8 ffffffff810771da ffff8800d5edb988 [44929.058207] ffff8802120b0078 ffff8802120b0000 ffff8802120b0080 ffff8802120b0078 [44929.058208] Call Trace: [44929.058210] [<ffffffff817a2803>] dump_stack+0x45/0x57 [44929.058211] [<ffffffff810771da>] warn_slowpath_common+0x8a/0xc0 [44929.058212] [<ffffffff81077256>] warn_slowpath_fmt+0x46/0x50 [44929.058219] [<ffffffffc0169e58>] hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915] [44929.058225] [<ffffffffc016bd9f>] gen6_read32+0x5f/0x1a0 [i915] [44929.058231] [<ffffffffc016b686>] ? hsw_write32+0xa6/0x130 [i915] [44929.058237] [<ffffffffc0149ec0>] i915_gem_write_fence+0x220/0x520 [i915] [44929.058238] [<ffffffff813a5ea1>] ? __sg_free_table+0x71/0x90 [44929.058244] [<ffffffffc014a266>] i915_gem_object_update_fence+0xa6/0xd0 [i915] [44929.058249] [<ffffffffc014a31a>] i915_gem_object_put_fence+0x8a/0xd0 [i915] [44929.058254] [<ffffffffc014a4e7>] i915_vma_unbind+0x187/0x230 [i915] [44929.058259] [<ffffffffc014d2d6>] i915_gem_shrink+0x156/0x230 [i915] [44929.058264] [<ffffffffc014d43d>] i915_gem_shrinker_scan+0x8d/0xa0 [i915] [44929.058266] [<ffffffff81186b37>] shrink_slab+0x207/0x380 [44929.058267] [<ffffffff8118b1f1>] shrink_zone+0x291/0x2b0 [44929.058268] [<ffffffff8118c160>] kswapd+0x500/0x9b0 [44929.058269] [<ffffffff8118bc60>] ? mem_cgroup_shrink_node_zone+0x130/0x130 [44929.058270] [<ffffffff81094e69>] kthread+0xc9/0xe0 [44929.058271] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [44929.058272] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 [44929.058273] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 [44929.058274] ---[ end trace 975c39f656782ad8 ]---
2015-10-11 13:10 GMT+02:00 Peter Becker <floyd....@gmail.com>: > I also get some of this syslog entrys: > > [ 3840.616538] INFO: task btrfs-transacti:11423 blocked for more than > 120 seconds. > [ 3840.616541] Tainted: G U 4.2.3-040203-generic > #201510030832 > [ 3840.616542] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 3840.616543] btrfs-transacti D 0000000000000000 0 11423 2 > 0x00000000 > [ 3840.616545] ffff88007bd2bb58 0000000000000046 ffff880215d7e600 > ffff8802121d2640 > [ 3840.616547] 0000000000000246 ffff88007bd2c000 ffff8801aa607928 > ffff8801aa607940 > [ 3840.616548] ffff88007bd2bba8 ffff8801aa607920 ffff88007bd2bb78 > ffffffff817a6357 > [ 3840.616549] Call Trace: > [ 3840.616555] [<ffffffff817a6357>] schedule+0x37/0x80 > [ 3840.616569] [<ffffffffc0332038>] btrfs_tree_lock+0x98/0x1c0 [btrfs] > [ 3840.616572] [<ffffffff810b6fd0>] ? prepare_to_wait_event+0xf0/0xf0 > [ 3840.616576] [<ffffffffc02d4095>] btrfs_search_slot+0x6e5/0x9c0 [btrfs] > [ 3840.616579] [<ffffffff81180ef7>] ? __set_page_dirty_nobuffers+0xe7/0x140 > [ 3840.616584] [<ffffffffc02ed8cf>] btrfs_lookup_inode+0x2f/0xa0 [btrfs] > [ 3840.616592] [<ffffffffc034db13>] ? > btrfs_delete_delayed_items+0x313/0x330 [btrfs] > [ 3840.616598] [<ffffffffc034d484>] ? > btrfs_insert_delayed_items+0xa4/0x420 [btrfs] > [ 3840.616604] [<ffffffffc034dd3a>] > __btrfs_update_delayed_inode+0x5a/0x1e0 [btrfs] > [ 3840.616609] [<ffffffffc034e03c>] > __btrfs_run_delayed_items+0x17c/0x210 [btrfs] > [ 3840.616615] [<ffffffffc034e2e3>] btrfs_run_delayed_items+0x13/0x20 [btrfs] > [ 3840.616621] [<ffffffffc02f85c8>] > btrfs_commit_transaction+0x2c8/0xb10 [btrfs] > [ 3840.616626] [<ffffffffc02f8ea3>] ? start_transaction+0x93/0x580 [btrfs] > [ 3840.616631] [<ffffffffc02f395a>] transaction_kthread+0x1ba/0x240 [btrfs] > [ 3840.616636] [<ffffffffc02f37a0>] ? > btrfs_cleanup_transaction+0x540/0x540 [btrfs] > [ 3840.616637] [<ffffffff81094e69>] kthread+0xc9/0xe0 > [ 3840.616638] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 > [ 3840.616640] [<ffffffff817a9f9f>] ret_from_fork+0x3f/0x70 > [ 3840.616641] [<ffffffff81094da0>] ? kthread_create_on_node+0x180/0x180 > > Is this helpfull? The filesystem is usable but i need the new space. > > 2015-10-10 21:48 GMT+02:00 Peter Becker <floyd....@gmail.com>: >> btrfs balance start -m /media/RAID >> >> complete with out any error but the resulte of device usage is confusing me. >> Metadata on sdb and sdc are 2 GiB, but on sdd (the new added device) >> is 4 GiB. And the 2. one that's confusing me, is that sdd has a >> "System" entry but sdb and sdc dosn't >> >> floyd@nas ~ $ sudo btrfs dev us /media/RAID/ >> /dev/sdb, ID: 1 >> Device size: 2.73TiB >> Data,RAID1: 2.11TiB >> Metadata,RAID1: 2.00GiB >> System,RAID1: 32.00MiB >> Unallocated: 628.49GiB >> >> /dev/sdc, ID: 2 >> Device size: 2.73TiB >> Data,RAID1: 2.11TiB >> Metadata,RAID1: 2.00GiB >> Unallocated: 628.52GiB >> >> /dev/sdd, ID: 3 >> Device size: 2.73TiB >> Data,RAID1: 792.00GiB >> Metadata,RAID1: 4.00GiB >> System,RAID1: 32.00MiB >> Unallocated: 1.95TiB >> >> 2015-10-10 21:23 GMT+02:00 Peter Becker <floyd....@gmail.com>: >>> Hi Henk, >>> >>> i have try it with kernel 4.1.6 and 4.2.3; btrfs progs 4.2.1 and 4.2.2 >>> .. the same error. >>> System freeze after 70% of balancing. >>> >>> Scrub complete without error. >>> >>> has someone a hint what i can do now? >>> >>> 2015-10-09 15:52 GMT+02:00 Henk Slager <hsla...@hotmail.com>: >>>> Hi Peter, >>>> >>>> I would try to add the mount option skip_balance for your raid1 >>>> pool first, then see if you can use your system as you normally would. >>>> I assume you can live without explicit (re-)balance for some time, >>>> i.e. that the original disks are not too full. >>>> >>>> I recently did also some disks add/remove and also raid profile >>>> convert and found out that kernel 4.2.x did crash my system with >>>> various kernel bugs. So I switched back to 4.1.6 and although other >>>> bugs hit me (see https://bugzilla.kernel.org/show_bug.cgi?id=104371 ) >>>> the actions I wanted did complete. >>>> >>>> Using "btrfs check --repair" has never resulted in succes for me (for >>>> some root filesystems (single profiles for s m d) on real and virual >>>> machines), so I would only use that once you have your files backed up >>>> on some other (cloned) filesystem. >>>> >>>> /Henk >>>> >>>> On Fri, Oct 9, 2015 at 9:41 AM, Peter Becker <floyd....@gmail.com> wrote: >>>>> >>>>> At first i add a new device to my btrfs raid1 pool and start balance. >>>>> After ~5 hours, balanace hangs and cpu-usage goes to 100% (kworker/u4 >>>>> use all cpu-power). >>>>> >>>>> What should i do now? Run "btrfs check --repair" on all devices? >>>>> >>>>> Kernel: 4.2.3-040203-generic >>>>> Btrfs progs v4.2.1 >>>>> >>>>> Full Syslog: https://bugzilla.kernel.org/show_bug.cgi?id=105681 >>>>> >>>>> From Syslog: >>>>> >>>>> [16880.495586] kernel BUG at >>>>> /home/kernel/COD/linux/fs/btrfs/extent-tree.c:1833! >>>>> [16880.495603] invalid opcode: 0000 [#1] SMP >>>>> [16880.495614] Modules linked in: xt_nat veth xt_conntrack xt_addrtype >>>>> br_netfilter nvram dm_thin_pool dm_persistent_data msr dm_bio_prison >>>>> dm_bufio libcrc32c ir_lirc_codec ir_xmp_decoder lirc_dev >>>>> ir_mce_kbd_decoder ir_sharp_decoder ir_sony_decoder ir_sanyo_decoder >>>>> ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder rc_rc6_mce >>>>> xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 >>>>> iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 mceusb nf_nat_ipv4 >>>>> rc_core nf_nat nf_conntrack input_leds joydev xt_tcpudp bridge stp llc >>>>> iptable_filter ip_tables x_tables autofs4 eeepc_wmi asus_wmi >>>>> sparse_keymap dm_multipath scsi_dh intel_rapl iosf_mbi >>>>> x86_pkg_temp_thermal intel_powerclamp kvm crct10dif_pclmul >>>>> crc32_pclmul snd_seq_midi snd_seq_midi_event snd_rawmidi >>>>> ghash_clmulni_intel cryptd snd_hda_codec_hdmi rfcomm snd_seq serio_raw >>>>> bnep snd_hda_codec_realtek snd_hda_codec_generic bluetooth >>>>> snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm >>>>> snd_seq_device lpc_ich snd_timer mei_me mei snd shpchp mac_hid >>>>> soundcore parport_pc ppdev nfsd nct6775 hwmon_vid coretemp auth_rpcgss >>>>> nfs_acl nfs lockd grace binfmt_misc sunrpc lp parport fscache >>>>> nls_iso8859_1 btrfs xor raid6_pq dm_mirror dm_region_hash dm_log >>>>> hid_generic usbhid hid uas usb_storage psmouse ahci libahci wmi i915 >>>>> video i2c_algo_bit drm_kms_helper drm e1000e ptp pps_core >>>>> [16880.495944] CPU: 0 PID: 5967 Comm: btrfs Tainted: G U >>>>> 4.2.3-040203-generic #201510030832 >>>>> [16880.495964] Hardware name: ASUS All Series/H87I-PLUS, BIOS 2003 >>>>> 11/05/2014 >>>>> [16880.495979] task: ffff8800a918b300 ti: ffff8800a9f00000 task.ti: >>>>> ffff8800a9f00000 >>>>> [16880.495995] RIP: 0010:[<ffffffffc02db016>] [<ffffffffc02db016>] >>>>> insert_inline_extent_backref+0xc6/0xd0 [btrfs] >>>>> [16880.496028] RSP: 0018:ffff8800a9f03718 EFLAGS: 00010293 >>>>> [16880.496042] RAX: 0000000000000000 RBX: 0000000000000000 RCX: >>>>> ffff8800a9f03750 >>>>> [16880.496060] RDX: 0000000000000001 RSI: 0000000000000001 RDI: >>>>> 0000000000000000 >>>>> [16880.496077] RBP: ffff8800a9f03788 R08: 0000000000004000 R09: >>>>> ffff8800a9f03608 >>>>> [16880.496093] R10: 0000000000000000 R11: 0000000000000002 R12: >>>>> ffff880214b11000 >>>>> [16880.496109] R13: 000006a203798000 R14: 0000000000000000 R15: >>>>> ffff8800d80c7990 >>>>> [16880.496125] FS: 00007fd9f02fa900(0000) GS:ffff88021fa00000(0000) >>>>> knlGS:0000000000000000 >>>>> [16880.496146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>>>> [16880.496159] CR2: 00007f438fbc2000 CR3: 00000000a90ae000 CR4: >>>>> 00000000000406f0 >>>>> [16880.496175] Stack: >>>>> [16880.496180] 000006a203798000 0000000000000414 0000000000000000 >>>>> 0000000000000000 >>>>> [16880.496200] 0000000000000001 ffffffffc02cef1a ffff8800a9f037f8 >>>>> 0000000000002bbd >>>>> [16880.496220] ffff88016f19f2e0 ffff880214b10000 ffff88016f19f2e0 >>>>> ffff8800d80c7990 >>>>> [16880.496239] Call Trace: >>>>> [16880.496251] [<ffffffffc02cef1a>] ? btrfs_alloc_path+0x1a/0x20 [btrfs] >>>>> [16880.496271] [<ffffffffc02db0b8>] >>>>> __btrfs_inc_extent_ref.isra.51+0x98/0x250 [btrfs] >>>>> [16880.496295] [<ffffffffc02e0d0a>] >>>>> __btrfs_run_delayed_refs+0xcfa/0x1070 [btrfs] >>>>> [16880.496316] [<ffffffff813bda85>] ? __percpu_counter_add+0x55/0x70 >>>>> [16880.496337] [<ffffffffc02e3c3e>] >>>>> btrfs_run_delayed_refs.part.73+0x6e/0x280 [btrfs] >>>>> [16880.496360] [<ffffffffc02e3e67>] btrfs_run_delayed_refs+0x17/0x20 >>>>> [btrfs] >>>>> [16880.496383] [<ffffffffc02f7dc9>] >>>>> btrfs_should_end_transaction+0x49/0x60 [btrfs] >>>>> [16880.496407] [<ffffffffc02e2439>] btrfs_drop_snapshot+0x439/0x830 >>>>> [btrfs] >>>>> [16880.496431] [<ffffffffc0346200>] ? >>>>> invalidate_extent_cache+0x160/0x1a0 [btrfs] >>>>> [16880.496455] [<ffffffffc034b2e2>] merge_reloc_roots+0xd2/0x230 [btrfs] >>>>> [16880.496475] [<ffffffffc034b696>] relocate_block_group+0x256/0x600 >>>>> [btrfs] >>>>> [16880.496495] [<ffffffffc034bc03>] >>>>> btrfs_relocate_block_group+0x1c3/0x2d0 [btrfs] >>>>> [16880.496517] [<ffffffffc031f9be>] >>>>> btrfs_relocate_chunk.isra.39+0x3e/0xc0 [btrfs] >>>>> [16880.496537] [<ffffffffc0320e3f>] __btrfs_balance+0x48f/0x8c0 [btrfs] >>>>> [16880.496556] [<ffffffffc03215ed>] btrfs_balance+0x37d/0x650 [btrfs] >>>>> [16880.496575] [<ffffffffc032d7b4>] ? btrfs_ioctl_balance+0x284/0x510 >>>>> [btrfs] >>>>> [16880.496594] [<ffffffffc032d694>] btrfs_ioctl_balance+0x164/0x510 >>>>> [btrfs] >>>>> [16880.496613] [<ffffffffc032fb8f>] btrfs_ioctl+0x56f/0x2470 [btrfs] >>>>> [16880.496628] [<ffffffff8118490b>] ? >>>>> lru_cache_add_active_or_unevictable+0x2b/0xa0 >>>>> [16880.496645] [<ffffffff811a4d9a>] ? handle_mm_fault+0xb8a/0x1810 >>>>> [16880.496658] [<ffffffff811a8f39>] ? vma_link+0xb9/0xc0 >>>>> [16880.496670] [<ffffffff811fc6fd>] do_vfs_ioctl+0x2cd/0x4b0 >>>>> [16880.496684] [<ffffffff81063cc7>] ? __do_page_fault+0x1b7/0x430 >>>>> [16880.496697] [<ffffffff811fc959>] SyS_ioctl+0x79/0x90 >>>>> [16880.496709] [<ffffffff817a9b72>] entry_SYSCALL_64_fastpath+0x16/0x75 >>>>> [16880.496723] Code: 45 10 49 89 d9 48 8b 55 c8 4c 89 34 24 4c 89 e9 >>>>> 4c 89 fe 4c 89 e7 48 89 44 24 10 8b 45 28 89 44 24 08 e8 4e e4 ff ff >>>>> 31 c0 eb bb <0f> 0b 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 >>>>> 41 57 >>>>> [16880.496802] RIP [<ffffffffc02db016>] >>>>> insert_inline_extent_backref+0xc6/0xd0 [btrfs] >>>>> [16880.496823] RSP <ffff8800a9f03718> >>>>> [16880.502316] ---[ end trace bcd7d52a2c7cfdc7 ]--- >>>>> -- >>>>> 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