From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f45.google.com ([74.125.82.45]:33155 "EHLO mail-wg0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760153Ab3EDOCs (ORCPT ); Sat, 4 May 2013 10:02:48 -0400 Received: by mail-wg0-f45.google.com with SMTP id l18so2301971wgh.0 for ; Sat, 04 May 2013 07:02:46 -0700 (PDT) Received: from [192.168.1.121] (ppp-94-66-153-30.home.otenet.gr. [94.66.153.30]) by mx.google.com with ESMTPSA id ge7sm3415880wib.6.2013.05.04.07.02.44 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 04 May 2013 07:02:45 -0700 (PDT) Message-ID: <51851502.5020304@gmail.com> Date: Sat, 04 May 2013 17:02:42 +0300 From: Konstantinos Skarlatos MIME-Version: 1.0 To: linux-btrfs@vger.kernel.org Subject: INFO: task btrfs-endio-wri:32643 blocked for more than 120 seconds Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: I got these messages while I was rsyncing a large amount of data to my btrfs filesystem $ uname -r 3.9.0-2-ARCH $ btrfs fi show --all-devices Label: none uuid: 43da70c8-a76e-4d7f-8926-be5412b3d943 Total devices 5 FS bytes used 4.95TB devid 2 size 1.82TB used 1.67TB path /dev/sdb devid 3 size 1.82TB used 1.67TB path /dev/sda devid 5 size 1.82TB used 1.67TB path /dev/sdc devid 1 size 1.82TB used 1.67TB path /dev/sdd devid 4 size 1.82TB used 1.67TB path /dev/sde Btrfs v0.20-rc1-253-g7854c8b $ btrfs fi df /storage/btrfs Data, RAID0: total=7.98TB, used=4.93TB Data: total=8.00MB, used=0.00 System, RAID1: total=8.00MB, used=448.00KB System: total=4.00MB, used=0.00 Metadata, RAID1: total=187.00GB, used=18.70GB Metadata: total=8.00MB, used=0.00 UUID=43da70c8-a76e-4d7f-8926-be5412b3d943 /storage/btrfs btrfs noatime,compress-force=zlib,space_cache,inode_cache 0 1 [ 5.788101] Btrfs loaded [ 5.788592] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 2 transid 82342 /dev/sdb [ 5.788774] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 1 transid 82342 /dev/sdd [ 5.789029] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 3 transid 82342 /dev/sda [ 5.789551] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 5 transid 82342 /dev/sdc [ 5.790003] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 4 transid 82342 /dev/sde [ 6.085875] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 4 transid 82342 /dev/sde [ 6.087891] btrfs: force zlib compression [ 6.087907] btrfs: enabling inode map caching [ 6.087912] btrfs: disk space caching is enabled [ 6.188271] btrfs: bdev /dev/sdc errs: wr 335, rd 2, flush 0, corrupt 0, gen 0 [ 3263.277141] btrfs: csum mismatch on free space cache [ 3263.277260] btrfs: failed to load free space cache for block group 40831549440 [ 3312.233565] btrfs: free space inode generation (0) did not match free space cache generation (82330) [221129.876129] INFO: task btrfs-endio-wri:32643 blocked for more than 120 seconds. [221129.876271] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221129.876408] btrfs-endio-wri D ffff88000064cb60 0 32643 2 0x00000000 [221129.876419] ffff880002717c30 0000000000000046 0000000000014280 ffff880002717fd8 [221129.876429] ffff880002717fd8 0000000000014280 ffff88000064cb60 0000000000000000 [221129.876437] ffff880002717bc0 ffffffffa0a1540f 00007f5fa0a3523e ffff880059434000 [221129.876445] Call Trace: [221129.876482] [] ? leaf_space_used+0xcf/0x110 [btrfs] [221129.876516] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.876527] [] ? kmem_cache_free+0x1ea/0x210 [221129.876556] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.876565] [] schedule+0x29/0x70 [221129.876592] [] btrfs_run_delayed_refs+0x31e/0x500 [btrfs] [221129.876601] [] ? wake_up_bit+0x30/0x30 [221129.876630] [] __btrfs_end_transaction+0xc7/0x310 [btrfs] [221129.876659] [] btrfs_end_transaction+0x10/0x20 [btrfs] [221129.876688] [] btrfs_finish_ordered_io+0x114/0x9d0 [btrfs] [221129.876697] [] ? mempool_free_slab+0x17/0x20 [221129.876704] [] ? mempool_free+0x49/0x90 [221129.876731] [] ? end_compressed_bio_write+0xe8/0xf0 [btrfs] [221129.876760] [] finish_ordered_fn+0x15/0x20 [btrfs] [221129.876788] [] worker_loop+0x12c/0x550 [btrfs] [221129.876817] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221129.876824] [] kthread+0xc0/0xd0 [221129.876831] [] ? kthread_create_on_node+0x120/0x120 [221129.876838] [] ret_from_fork+0x7c/0xb0 [221129.876845] [] ? kthread_create_on_node+0x120/0x120 [221129.876858] INFO: task btrfs-endio-wri:1292 blocked for more than 120 seconds. [221129.876983] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221129.877118] btrfs-endio-wri D ffff880073b9dc20 0 1292 2 0x00000000 [221129.877125] ffff880015b65c30 0000000000000046 0000000000014280 ffff880015b65fd8 [221129.877132] ffff880015b65fd8 0000000000014280 ffff880073b9dc20 ffffffffa0a1da45 [221129.877139] 0000247b00001f93 ffff880015b65cc6 ffff8800176642d0 0000000000000296 [221129.877146] Call Trace: [221129.877172] [] ? setup_items_for_insert+0x2c5/0x3c0 [btrfs] [221129.877202] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.877210] [] ? kmem_cache_free+0x1ea/0x210 [221129.877239] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.877245] [] schedule+0x29/0x70 [221129.877271] [] btrfs_run_delayed_refs+0x31e/0x500 [btrfs] [221129.877278] [] ? wake_up_bit+0x30/0x30 [221129.877307] [] __btrfs_end_transaction+0xc7/0x310 [btrfs] [221129.877335] [] btrfs_end_transaction+0x10/0x20 [btrfs] [221129.877364] [] btrfs_finish_ordered_io+0x114/0x9d0 [btrfs] [221129.877372] [] ? mempool_free_slab+0x17/0x20 [221129.877379] [] ? mempool_free+0x49/0x90 [221129.877406] [] ? end_compressed_bio_write+0xe8/0xf0 [btrfs] [221129.877435] [] finish_ordered_fn+0x15/0x20 [btrfs] [221129.877463] [] worker_loop+0x12c/0x550 [btrfs] [221129.877472] [] ? default_wake_function+0x12/0x20 [221129.877500] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221129.877507] [] kthread+0xc0/0xd0 [221129.877513] [] ? kthread_create_on_node+0x120/0x120 [221129.877519] [] ret_from_fork+0x7c/0xb0 [221129.877526] [] ? kthread_create_on_node+0x120/0x120 [221129.877532] INFO: task btrfs-endio-wri:1293 blocked for more than 120 seconds. [221129.877657] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221129.877791] btrfs-endio-wri D ffff880073b990c0 0 1293 2 0x00000000 [221129.877798] ffff880011359c30 0000000000000046 0000000000014280 ffff880011359fd8 [221129.877805] ffff880011359fd8 0000000000014280 ffff880073b990c0 ffffffffa0a1da45 [221129.877812] 00004a330000203b ffff880011359cc6 ffff880042667090 ffff8800734a4000 [221129.877818] Call Trace: [221129.877843] [] ? setup_items_for_insert+0x2c5/0x3c0 [btrfs] [221129.877873] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.877881] [] ? kmem_cache_free+0x1ea/0x210 [221129.877910] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.877916] [] schedule+0x29/0x70 [221129.877942] [] btrfs_run_delayed_refs+0x31e/0x500 [btrfs] [221129.877949] [] ? wake_up_bit+0x30/0x30 [221129.877977] [] __btrfs_end_transaction+0xc7/0x310 [btrfs] [221129.878006] [] btrfs_end_transaction+0x10/0x20 [btrfs] [221129.878036] [] btrfs_finish_ordered_io+0x114/0x9d0 [btrfs] [221129.878044] [] ? del_timer_sync+0x52/0x60 [221129.878053] [] ? schedule_timeout+0x13c/0x290 [221129.878062] [] ? call_timer_fn+0x190/0x190 [221129.878092] [] finish_ordered_fn+0x15/0x20 [btrfs] [221129.878120] [] worker_loop+0x12c/0x550 [btrfs] [221129.878128] [] ? default_wake_function+0x12/0x20 [221129.878156] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221129.878162] [] kthread+0xc0/0xd0 [221129.878169] [] ? kthread_create_on_node+0x120/0x120 [221129.878176] [] ret_from_fork+0x7c/0xb0 [221129.878182] [] ? kthread_create_on_node+0x120/0x120 [221129.878187] INFO: task btrfs-endio-wri:1294 blocked for more than 120 seconds. [221129.878313] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221129.878447] btrfs-endio-wri D ffff880073b98860 0 1294 2 0x00000000 [221129.878453] ffff880007ddfc30 0000000000000046 0000000000014280 ffff880007ddffd8 [221129.878460] ffff880007ddffd8 0000000000014280 ffff880073b98860 0000000000000000 [221129.878466] ffff880007ddfbc0 ffffffffa0a1540f 00007f5fa0a3523e ffff880059434000 [221129.878473] Call Trace: [221129.878497] [] ? leaf_space_used+0xcf/0x110 [btrfs] [221129.878527] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.878534] [] ? kmem_cache_free+0x1ea/0x210 [221129.878563] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.878570] [] schedule+0x29/0x70 [221129.878595] [] btrfs_run_delayed_refs+0x31e/0x500 [btrfs] [221129.878602] [] ? wake_up_bit+0x30/0x30 [221129.878630] [] __btrfs_end_transaction+0xc7/0x310 [btrfs] [221129.878659] [] btrfs_end_transaction+0x10/0x20 [btrfs] [221129.878688] [] btrfs_finish_ordered_io+0x114/0x9d0 [btrfs] [221129.878696] [] ? mempool_free_slab+0x17/0x20 [221129.878703] [] ? mempool_free+0x49/0x90 [221129.878730] [] ? end_compressed_bio_write+0xe8/0xf0 [btrfs] [221129.878759] [] finish_ordered_fn+0x15/0x20 [btrfs] [221129.878787] [] worker_loop+0x12c/0x550 [btrfs] [221129.878795] [] ? default_wake_function+0x12/0x20 [221129.878823] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221129.878829] [] kthread+0xc0/0xd0 [221129.878836] [] ? kthread_create_on_node+0x120/0x120 [221129.878842] [] ret_from_fork+0x7c/0xb0 [221129.878849] [] ? kthread_create_on_node+0x120/0x120 [221129.878854] INFO: task btrfs-endio-wri:1295 blocked for more than 120 seconds. [221129.878979] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221129.879113] btrfs-endio-wri D ffff880073b06ce0 0 1295 2 0x00000000 [221129.879119] ffff880052febc30 0000000000000046 0000000000014280 ffff880052febfd8 [221129.879126] ffff880052febfd8 0000000000014280 ffff880073b06ce0 0000000000000000 [221129.879132] ffff880052febbc0 ffffffffa0a1540f 00007f5fa0a3523e ffff880059434000 [221129.879139] Call Trace: [221129.879163] [] ? leaf_space_used+0xcf/0x110 [btrfs] [221129.879172] [] ? __mutex_lock_slowpath+0x260/0x360 [221129.879201] [] ? release_extent_buffer.isra.33+0xa9/0xd0 [btrfs] [221129.879231] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.879237] [] schedule+0x29/0x70 [221129.879263] [] btrfs_run_delayed_refs+0x31e/0x500 [btrfs] [221129.879270] [] ? wake_up_bit+0x30/0x30 [221129.879298] [] __btrfs_end_transaction+0xc7/0x310 [btrfs] [221129.879326] [] btrfs_end_transaction+0x10/0x20 [btrfs] [221129.879355] [] btrfs_finish_ordered_io+0x114/0x9d0 [btrfs] [221129.879363] [] ? del_timer_sync+0x52/0x60 [221129.879371] [] ? schedule_timeout+0x13c/0x290 [221129.879378] [] ? call_timer_fn+0x190/0x190 [221129.879466] [] finish_ordered_fn+0x15/0x20 [btrfs] [221129.879494] [] worker_loop+0x12c/0x550 [btrfs] [221129.879523] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221129.879529] [] kthread+0xc0/0xd0 [221129.879536] [] ? kthread_create_on_node+0x120/0x120 [221129.879543] [] ret_from_fork+0x7c/0xb0 [221129.879550] [] ? kthread_create_on_node+0x120/0x120 [221129.879576] INFO: task btrfs-endio-wri:1296 blocked for more than 120 seconds. [221129.879702] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221129.879836] btrfs-endio-wri D ffff880073b99920 0 1296 2 0x00000000 [221129.879843] ffff88006ec37c30 0000000000000046 0000000000014280 ffff88006ec37fd8 [221129.879849] ffff88006ec37fd8 0000000000014280 ffff880073b99920 0000000000000000 [221129.879856] ffff88006ec37bc0 ffffffffa0a1540f 00007f5fa0a3523e ffff880059434000 [221129.879863] Call Trace: [221129.879887] [] ? leaf_space_used+0xcf/0x110 [btrfs] [221129.879917] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.879924] [] ? kmem_cache_free+0x1ea/0x210 [221129.879954] [] ? free_extent_state+0x1e/0x30 [btrfs] [221129.879960] [] schedule+0x29/0x70 [221129.879986] [] btrfs_run_delayed_refs+0x31e/0x500 [btrfs] [221129.879993] [] ? wake_up_bit+0x30/0x30 [221129.880021] [] __btrfs_end_transaction+0xc7/0x310 [btrfs] [221129.880050] [] btrfs_end_transaction+0x10/0x20 [btrfs] [221129.880079] [] btrfs_finish_ordered_io+0x114/0x9d0 [btrfs] [221129.880087] [] ? del_timer_sync+0x52/0x60 [221129.880095] [] ? schedule_timeout+0x13c/0x290 [221129.880102] [] ? call_timer_fn+0x190/0x190 [221129.880131] [] finish_ordered_fn+0x15/0x20 [btrfs] [221129.880159] [] worker_loop+0x12c/0x550 [btrfs] [221129.880187] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221129.880194] [] kthread+0xc0/0xd0 [221129.880200] [] ? kthread_create_on_node+0x120/0x120 [221129.880207] [] ret_from_fork+0x7c/0xb0 [221129.880213] [] ? kthread_create_on_node+0x120/0x120 [221850.952262] INFO: task btrfs-cleaner:241 blocked for more than 120 seconds. [221850.952401] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221850.952539] btrfs-cleaner D ffff8800734a31e8 0 241 2 0x00000000 [221850.952549] ffff88006c779d08 0000000000000046 0000000000014280 ffff88006c779fd8 [221850.952559] ffff88006c779fd8 0000000000014280 ffff880073263240 ffffffffa0a1974d [221850.952567] ffff88006c779d28 ffff88006d533500 000000196c779cb8 ffff88006c779fd8 [221850.952575] Call Trace: [221850.952614] [] ? generic_bin_search.constprop.42+0x8d/0x1a0 [btrfs] [221850.952645] [] ? btrfs_run_delayed_refs+0x32a/0x500 [btrfs] [221850.952655] [] schedule+0x29/0x70 [221850.952684] [] wait_current_trans.isra.20+0xa5/0xf0 [btrfs] [221850.952692] [] ? wake_up_bit+0x30/0x30 [221850.952721] [] start_transaction+0x165/0x530 [btrfs] [221850.952750] [] ? __btrfs_end_transaction+0x1b8/0x310 [btrfs] [221850.952779] [] btrfs_start_transaction+0x18/0x20 [btrfs] [221850.952805] [] btrfs_drop_snapshot+0x52b/0x620 [btrfs] [221850.952835] [] ? btrfs_run_delayed_iputs+0xe2/0x100 [btrfs] [221850.952864] [] btrfs_clean_old_snapshots+0xa7/0x150 [btrfs] [221850.952891] [] cleaner_kthread+0xa8/0x120 [btrfs] [221850.952917] [] ? transaction_kthread+0x230/0x230 [btrfs] [221850.952924] [] kthread+0xc0/0xd0 [221850.952932] [] ? kthread_create_on_node+0x120/0x120 [221850.952939] [] ret_from_fork+0x7c/0xb0 [221850.952946] [] ? kthread_create_on_node+0x120/0x120 [221850.952954] INFO: task rsync:14299 blocked for more than 120 seconds. [221850.953067] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221850.953202] rsync D ffff88006ac7bbd0 0 14299 14293 0x00000000 [221850.953209] ffff88006ac7bb40 0000000000000082 0000000000014280 ffff88006ac7bfd8 [221850.953217] ffff88006ac7bfd8 0000000000014280 ffff88006c1a5c20 ffff88006ac7bb18 [221850.953224] ffffffffa0a4606e 0000000000000000 0000000000000050 ffff88006ac7bbd4 [221850.953231] Call Trace: [221850.953261] [] ? run_delalloc_range+0x19e/0x3a0 [btrfs] [221850.953270] [] ? read_tsc+0x9/0x20 [221850.953278] [] ? filemap_fdatawait+0x30/0x30 [221850.953285] [] schedule+0x29/0x70 [221850.953291] [] io_schedule+0x8f/0xe0 [221850.953297] [] sleep_on_page+0xe/0x20 [221850.953307] [] __wait_on_bit_lock+0x5b/0xc0 [221850.953314] [] __lock_page+0x6a/0x70 [221850.953320] [] ? autoremove_wake_function+0x40/0x40 [221850.953350] [] ? flush_write_bio+0xe/0x10 [btrfs] [221850.953380] [] extent_write_cache_pages.isra.31.constprop.47+0x391/0x3e0 [btrfs] [221850.953411] [] ? free_extent_state+0x1e/0x30 [btrfs] [221850.953440] [] ? free_extent_state.part.34+0x34/0xc0 [btrfs] [221850.953470] [] ? free_extent_state+0x1e/0x30 [btrfs] [221850.953499] [] extent_writepages+0x4d/0x70 [btrfs] [221850.953528] [] ? can_nocow_odirect+0x270/0x270 [btrfs] [221850.953557] [] btrfs_writepages+0x28/0x30 [btrfs] [221850.953565] [] do_writepages+0x1e/0x40 [221850.953573] [] __filemap_fdatawrite_range+0x59/0x60 [221850.953581] [] filemap_fdatawrite_range+0x13/0x20 [221850.953611] [] btrfs_wait_ordered_range+0xf7/0x110 [btrfs] [221850.953640] [] btrfs_truncate+0x72/0x2d0 [btrfs] [221850.953648] [] ? truncate_pagecache+0x59/0x60 [221850.953677] [] btrfs_setattr+0x164/0x230 [btrfs] [221850.953685] [] notify_change+0x1dc/0x360 [221850.953693] [] do_truncate+0x6b/0xa0 [221850.953702] [] ? __sb_start_write+0x49/0x100 [221850.953709] [] do_sys_ftruncate.constprop.11+0x118/0x170 [221850.953716] [] sys_ftruncate+0xe/0x10 [221850.953723] [] system_call_fastpath+0x1a/0x1f [221850.953729] INFO: task flush-btrfs-1:15339 blocked for more than 120 seconds. [221850.953853] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221850.953987] flush-btrfs-1 D ffff88005f6d5a70 0 15339 2 0x00000000 [221850.953994] ffff88005f6d59e0 0000000000000046 0000000000014280 ffff88005f6d5fd8 [221850.954001] ffff88005f6d5fd8 0000000000014280 ffff880073266ce0 ffffffffa0a4606e [221850.954008] 0000000000000000 0000000000000050 ffff88005f6d5a6c ffff880073266ce0 [221850.954015] Call Trace: [221850.954045] [] ? run_delalloc_range+0x19e/0x3a0 [btrfs] [221850.954052] [] ? read_tsc+0x9/0x20 [221850.954059] [] ? filemap_fdatawait+0x30/0x30 [221850.954066] [] schedule+0x29/0x70 [221850.954071] [] io_schedule+0x8f/0xe0 [221850.954078] [] sleep_on_page+0xe/0x20 [221850.954086] [] __wait_on_bit_lock+0x5b/0xc0 [221850.954093] [] __lock_page+0x6a/0x70 [221850.954099] [] ? autoremove_wake_function+0x40/0x40 [221850.954129] [] ? flush_write_bio+0xe/0x10 [btrfs] [221850.954158] [] extent_write_cache_pages.isra.31.constprop.47+0x391/0x3e0 [btrfs] [221850.954189] [] extent_writepages+0x4d/0x70 [btrfs] [221850.954218] [] ? can_nocow_odirect+0x270/0x270 [btrfs] [221850.954247] [] btrfs_writepages+0x28/0x30 [btrfs] [221850.954253] [] do_writepages+0x1e/0x40 [221850.954262] [] __writeback_single_inode+0x40/0x320 [221850.954270] [] writeback_sb_inodes+0x252/0x440 [221850.954278] [] __writeback_inodes_wb+0x9f/0xd0 [221850.954286] [] wb_writeback+0x32b/0x360 [221850.954295] [] wb_do_writeback+0x1b8/0x250 [221850.954303] [] bdi_writeback_thread+0x93/0x2f0 [221850.954311] [] ? wb_do_writeback+0x250/0x250 [221850.954317] [] kthread+0xc0/0xd0 [221850.954323] [] ? kthread_create_on_node+0x120/0x120 [221850.954330] [] ret_from_fork+0x7c/0xb0 [221850.954336] [] ? kthread_create_on_node+0x120/0x120 [221850.954348] INFO: task btrfs-endio-wri:1294 blocked for more than 120 seconds. [221850.954473] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [221850.954608] btrfs-endio-wri D ffff8800734a79e8 0 1294 2 0x00000000 [221850.954614] ffff880007ddfc88 0000000000000046 0000000000014280 ffff880007ddffd8 [221850.954621] ffff880007ddffd8 0000000000014280 ffff880073b98860 ffff880007ddfbf0 [221850.954627] 0000000000000297 ffffea000038dc40 0000000000000000 0000000000000001 [221850.954634] Call Trace: [221850.954642] [] ? __free_pages+0x47/0x50 [221850.954648] [] ? __free_memcg_kmem_pages+0x22/0x50 [221850.954679] [] ? tree_insert+0x54/0x60 [btrfs] [221850.954708] [] ? set_state_bits+0x3e/0x80 [btrfs] [221850.954715] [] schedule+0x29/0x70 [221850.954743] [] wait_current_trans.isra.20+0xa5/0xf0 [btrfs] [221850.954749] [] ? wake_up_bit+0x30/0x30 [221850.954778] [] start_transaction+0x338/0x530 [btrfs] [221850.954807] [] ? test_range_bit+0xe8/0x130 [btrfs] [221850.954836] [] btrfs_join_transaction+0x17/0x20 [btrfs] [221850.954865] [] btrfs_finish_ordered_io+0x390/0x9d0 [btrfs] [221850.954872] [] ? kmem_cache_free+0x1ea/0x210 [221850.954880] [] ? mempool_free_slab+0x17/0x20 [221850.954887] [] ? mempool_free+0x49/0x90 [221850.954895] [] ? bio_put+0x75/0x90 [221850.954922] [] ? end_compressed_bio_write+0xe8/0xf0 [btrfs] [221850.954951] [] finish_ordered_fn+0x15/0x20 [btrfs] [221850.954979] [] worker_loop+0x12c/0x550 [btrfs] [221850.954988] [] ? default_wake_function+0x12/0x20 [221850.955017] [] ? btrfs_queue_worker+0x330/0x330 [btrfs] [221850.955023] [] kthread+0xc0/0xd0 [221850.955030] [] ? kthread_create_on_node+0x120/0x120 [221850.955036] [] ret_from_fork+0x7c/0xb0 [221850.955043] [] ? kthread_create_on_node+0x120/0x120