he guys! I´m running Debian Sid where i have found several kernel errors today and most of them are btrfs related.
uname -a Linux NAS 4.6.0-trunk-amd64 #1 SMP Debian 4.6-1~exp1 (2016-05-17) x86_64 GNU/Linux Inside are 2 disks as Raid0, another disk as single and the system disk also as single...all BTRFS of cause. Raid0: sdd1, sdd1 Single: sdc1 System: sda1 [ 486.821206] ------------[ cut here ]------------ [ 486.821284] WARNING: CPU: 0 PID: 923 at /build/linux-_jiRqf/linux-4.6/fs/btrfs/inode.c:9261 btrfs_destroy_inode+0x234/0x2a0 [btrfs] [ 486.821289] Modules linked in: nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) ppdev(E) iTCO_wdt(E) iTCO_vendor_support(E) i915(E) video(E) coretemp(E) drm_kms_helper(E) serio_raw(E) i2c_i801(E) pcspkr(E) sg(E) evdev(E) drm(E) parport_pc(E) 8250_fintek(E) acpi_cpufreq(E) i2c_algo_bit(E) parport(E) lpc_ich(E) tpm_tis(E) tpm(E) shpchp(E) mfd_core(E) button(E) processor(E) autofs4(E) btrfs(E) crc32c_generic(E) xor(E) raid6_pq(E) hid_generic(E) usbhid(E) hid(E) sd_mod(E) ata_generic(E) psmouse(E) ahci(E) libahci(E) pata_jmicron(E) uhci_hcd(E) ehci_pci(E) ehci_hcd(E) libata(E) usbcore(E) usb_common(E) scsi_mod(E) r8169(E) mii(E) fjes(E) [ 486.821389] CPU: 0 PID: 923 Comm: apt Tainted: G E 4.6.0-trunk-amd64 #1 Debian 4.6-1~exp1 [ 486.821394] Hardware name: Gigabyte Technology Co., Ltd. D525TUD/D525TUD, BIOS F5 06/20/2011 [ 486.821400] 0000000000000286 00000000143e21ca ffffffff81311345 0000000000000000 [ 486.821409] 0000000000000000 ffffffff8107a50e ffff88010bb80840 ffff88010b9c4dc8 [ 486.821418] ffff880036865000 ffff88010b9c4dc8 ffff880113846958 ffff88010b9c4dc8 [ 486.821426] Call Trace: [ 486.821440] [<ffffffff81311345>] ? dump_stack+0x5c/0x77 [ 486.821450] [<ffffffff8107a50e>] ? __warn+0xbe/0xe0 [ 486.821509] [<ffffffffc02dcd34>] ? btrfs_destroy_inode+0x234/0x2a0 [btrfs] [ 486.821519] [<ffffffff81208288>] ? __dentry_kill+0x178/0x1d0 [ 486.821526] [<ffffffff812083fb>] ? dput+0x11b/0x210 [ 486.821534] [<ffffffff811f3404>] ? __fput+0x164/0x1e0 [ 486.821544] [<ffffffff81097511>] ? task_work_run+0x71/0x90 [ 486.821553] [<ffffffff8100333a>] ? exit_to_usermode_loop+0xba/0xc0 [ 486.821561] [<ffffffff81003c05>] ? syscall_return_slowpath+0x45/0x50 [ 486.821570] [<ffffffff815c64be>] ? system_call_fast_compare_end+0x94/0x96 [ 486.821576] ---[ end trace 7abb318f298fe822 ]--- [ 680.891145] perf: interrupt took too long (6232 > 6230), lowering kernel.perf_event_max_sample_rate to 32000 [ 893.466537] TCP: request_sock_TCP: Possible SYN flooding on port 19442. Sending cookies. Check SNMP counters. [ 1287.544609] perf: interrupt took too long (7809 > 7790), lowering kernel.perf_event_max_sample_rate to 25500 [ 4440.364135] INFO: task kcompactd0:36 blocked for more than 120 seconds. [ 4440.364287] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 4440.364412] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4440.364570] kcompactd0 D ffffffff815c2f10 0 36 2 0x00000000 [ 4440.364585] ffff88013a68c4c0 ffff88013abe6d40 ffff88013a698000 ffff88013a697bb8 [ 4440.364596] 7fffffffffffffff ffff88013ffd0138 ffff88013a697c50 ffffffff815c2f10 [ 4440.364606] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 4440.364616] Call Trace: [ 4440.364635] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 4440.364647] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 4440.364657] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 4440.364668] [<ffffffff81179933>] ? free_hot_cold_page_list+0x43/0xa0 [ 4440.364678] [<ffffffff81182202>] ? release_pages+0x272/0x350 [ 4440.364687] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 4440.364698] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 4440.364710] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 4440.364719] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 4440.364727] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 4440.364735] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 4440.364744] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 4440.364753] [<ffffffff811d8e0c>] ? migrate_pages+0x89c/0xa80 [ 4440.364763] [<ffffffff8119b5e0>] ? isolate_freepages_block+0x3f0/0x3f0 [ 4440.364770] [<ffffffff8119aee0>] ? update_pageblock_skip+0xb0/0xb0 [ 4440.364778] [<ffffffff8119cf0f>] ? compact_zone+0x47f/0x840 [ 4440.364787] [<ffffffff8119ca66>] ? compaction_suitable+0xf6/0x120 [ 4440.364795] [<ffffffff8119d715>] ? kcompactd_do_work+0x1a5/0x2d0 [ 4440.364804] [<ffffffff810b4d5d>] ? pick_next_task_fair+0x10d/0x4a0 [ 4440.364813] [<ffffffff8119d8db>] ? kcompactd+0x9b/0x1c0 [ 4440.364822] [<ffffffff810ba800>] ? wake_atomic_t_function+0x60/0x60 [ 4440.364830] [<ffffffff8119d840>] ? kcompactd_do_work+0x2d0/0x2d0 [ 4440.364839] [<ffffffff81098efd>] ? kthread+0xcd/0xf0 [ 4440.364849] [<ffffffff815c6672>] ? ret_from_fork+0x22/0x40 [ 4440.364858] [<ffffffff81098e30>] ? kthread_create_on_node+0x190/0x190 [ 4560.364059] INFO: task kcompactd0:36 blocked for more than 120 seconds. [ 4560.364179] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 4560.364276] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4560.364401] kcompactd0 D ffffffff815c2f10 0 36 2 0x00000000 [ 4560.364410] ffff88013a68c4c0 ffff88013abe6d40 ffff88013a698000 ffff88013a697bb8 [ 4560.364417] 7fffffffffffffff ffff88013ffd0138 ffff88013a697c50 ffffffff815c2f10 [ 4560.364424] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 4560.364430] Call Trace: [ 4560.364444] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 4560.364451] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 4560.364458] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 4560.364465] [<ffffffff81179933>] ? free_hot_cold_page_list+0x43/0xa0 [ 4560.364472] [<ffffffff81182202>] ? release_pages+0x272/0x350 [ 4560.364477] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 4560.364484] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 4560.364491] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 4560.364497] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 4560.364503] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 4560.364510] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 4560.364516] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 4560.364523] [<ffffffff811d8e0c>] ? migrate_pages+0x89c/0xa80 [ 4560.364530] [<ffffffff8119b5e0>] ? isolate_freepages_block+0x3f0/0x3f0 [ 4560.364535] [<ffffffff8119aee0>] ? update_pageblock_skip+0xb0/0xb0 [ 4560.364541] [<ffffffff8119cf0f>] ? compact_zone+0x47f/0x840 [ 4560.364547] [<ffffffff8119ca66>] ? compaction_suitable+0xf6/0x120 [ 4560.364552] [<ffffffff8119d715>] ? kcompactd_do_work+0x1a5/0x2d0 [ 4560.364558] [<ffffffff810b4d5d>] ? pick_next_task_fair+0x10d/0x4a0 [ 4560.364565] [<ffffffff8119d8db>] ? kcompactd+0x9b/0x1c0 [ 4560.364571] [<ffffffff810ba800>] ? wake_atomic_t_function+0x60/0x60 [ 4560.364576] [<ffffffff8119d840>] ? kcompactd_do_work+0x2d0/0x2d0 [ 4560.364583] [<ffffffff81098efd>] ? kthread+0xcd/0xf0 [ 4560.364589] [<ffffffff815c6672>] ? ret_from_fork+0x22/0x40 [ 4560.364595] [<ffffffff81098e30>] ? kthread_create_on_node+0x190/0x190 [ 7440.364169] INFO: task mlnet:533 blocked for more than 120 seconds. [ 7440.364315] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 7440.364439] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7440.364599] mlnet D ffff88013fc95bc0 0 533 1 0x00000000 [ 7440.364611] ffff8800b86b6280 ffff88013a464dc0 ffff8801389dc000 ffff8801389dbbb8 [ 7440.364622] 7fffffffffffffff ffff88013ffcdac8 ffff8801389dbc50 ffffffff815c2f10 [ 7440.364632] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 7440.364642] Call Trace: [ 7440.364659] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7440.364669] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 7440.364679] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 7440.364748] [<ffffffffc033f01e>] ? btrfs_bio_counter_sub+0x1e/0x50 [btrfs] [ 7440.364810] [<ffffffffc02f941e>] ? btrfs_map_bio+0x20e/0x370 [btrfs] [ 7440.364819] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7440.364830] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 7440.364841] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 7440.364850] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 7440.364859] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 7440.364868] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 7440.364878] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 7440.364937] [<ffffffffc02de26a>] ? prepare_uptodate_page+0x9a/0xb0 [btrfs] [ 7440.364997] [<ffffffffc02de7a2>] ? prepare_pages+0x182/0x240 [btrfs] [ 7440.365058] [<ffffffffc02df037>] ? __btrfs_buffered_write+0x267/0x660 [btrfs] [ 7440.365119] [<ffffffffc02e29ce>] ? btrfs_file_write_iter+0x17e/0x5f0 [btrfs] [ 7440.365130] [<ffffffff81201955>] ? do_filp_open+0xa5/0x100 [ 7440.365142] [<ffffffff811f0a8a>] ? new_sync_write+0xaa/0xf0 [ 7440.365152] [<ffffffff811f12f4>] ? vfs_write+0xa4/0x1a0 [ 7440.365161] [<ffffffff811f26e2>] ? SyS_write+0x52/0xc0 [ 7440.365171] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [ 7560.364106] INFO: task mlnet:533 blocked for more than 120 seconds. [ 7560.364216] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 7560.364313] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7560.364436] mlnet D ffff88013fc95bc0 0 533 1 0x00000000 [ 7560.364445] ffff8800b86b6280 ffff88013a464dc0 ffff8801389dc000 ffff8801389dbbb8 [ 7560.364453] 7fffffffffffffff ffff88013ffcdac8 ffff8801389dbc50 ffffffff815c2f10 [ 7560.364459] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 7560.364465] Call Trace: [ 7560.364478] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7560.364485] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 7560.364491] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 7560.364547] [<ffffffffc033f01e>] ? btrfs_bio_counter_sub+0x1e/0x50 [btrfs] [ 7560.364595] [<ffffffffc02f941e>] ? btrfs_map_bio+0x20e/0x370 [btrfs] [ 7560.364601] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7560.364607] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 7560.364615] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 7560.364620] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 7560.364626] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 7560.364633] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 7560.364640] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 7560.364685] [<ffffffffc02de26a>] ? prepare_uptodate_page+0x9a/0xb0 [btrfs] [ 7560.364731] [<ffffffffc02de7a2>] ? prepare_pages+0x182/0x240 [btrfs] [ 7560.364778] [<ffffffffc02df037>] ? __btrfs_buffered_write+0x267/0x660 [btrfs] [ 7560.364824] [<ffffffffc02e29ce>] ? btrfs_file_write_iter+0x17e/0x5f0 [btrfs] [ 7560.364831] [<ffffffff81201955>] ? do_filp_open+0xa5/0x100 [ 7560.364839] [<ffffffff811f0a8a>] ? new_sync_write+0xaa/0xf0 [ 7560.364845] [<ffffffff811f12f4>] ? vfs_write+0xa4/0x1a0 [ 7560.364851] [<ffffffff811f26e2>] ? SyS_write+0x52/0xc0 [ 7560.364857] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [ 7680.364139] INFO: task mlnet:533 blocked for more than 120 seconds. [ 7680.364276] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 7680.364400] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7680.364558] mlnet D ffff88013fc95bc0 0 533 1 0x00000000 [ 7680.364572] ffff8800b86b6280 ffff88013a464dc0 ffff8801389dc000 ffff8801389dbbb8 [ 7680.364583] 7fffffffffffffff ffff88013ffcdac8 ffff8801389dbc50 ffffffff815c2f10 [ 7680.364593] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 7680.364601] Call Trace: [ 7680.364616] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7680.364626] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 7680.364636] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 7680.364705] [<ffffffffc033f01e>] ? btrfs_bio_counter_sub+0x1e/0x50 [btrfs] [ 7680.364766] [<ffffffffc02f941e>] ? btrfs_map_bio+0x20e/0x370 [btrfs] [ 7680.364776] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7680.364787] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 7680.364798] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 7680.364807] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 7680.364817] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 7680.364827] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 7680.364838] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 7680.364897] [<ffffffffc02de26a>] ? prepare_uptodate_page+0x9a/0xb0 [btrfs] [ 7680.364956] [<ffffffffc02de7a2>] ? prepare_pages+0x182/0x240 [btrfs] [ 7680.365017] [<ffffffffc02df037>] ? __btrfs_buffered_write+0x267/0x660 [btrfs] [ 7680.365077] [<ffffffffc02e29ce>] ? btrfs_file_write_iter+0x17e/0x5f0 [btrfs] [ 7680.365088] [<ffffffff81201955>] ? do_filp_open+0xa5/0x100 [ 7680.365099] [<ffffffff811f0a8a>] ? new_sync_write+0xaa/0xf0 [ 7680.365110] [<ffffffff811f12f4>] ? vfs_write+0xa4/0x1a0 [ 7680.365118] [<ffffffff811f26e2>] ? SyS_write+0x52/0xc0 [ 7680.365126] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [ 7800.364124] INFO: task mlnet:533 blocked for more than 120 seconds. [ 7800.364234] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 7800.364331] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7800.364455] mlnet D ffff88013fc95bc0 0 533 1 0x00000000 [ 7800.364464] ffff8800b86b6280 ffff88013a464dc0 ffff8801389dc000 ffff8801389dbbb8 [ 7800.364472] 7fffffffffffffff ffff88013ffcdac8 ffff8801389dbc50 ffffffff815c2f10 [ 7800.364478] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 7800.364485] Call Trace: [ 7800.364497] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7800.364504] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 7800.364511] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 7800.364567] [<ffffffffc033f01e>] ? btrfs_bio_counter_sub+0x1e/0x50 [btrfs] [ 7800.364614] [<ffffffffc02f941e>] ? btrfs_map_bio+0x20e/0x370 [btrfs] [ 7800.364620] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7800.364627] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 7800.364635] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 7800.364640] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 7800.364646] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 7800.364653] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 7800.364659] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 7800.364705] [<ffffffffc02de26a>] ? prepare_uptodate_page+0x9a/0xb0 [btrfs] [ 7800.364751] [<ffffffffc02de7a2>] ? prepare_pages+0x182/0x240 [btrfs] [ 7800.364798] [<ffffffffc02df037>] ? __btrfs_buffered_write+0x267/0x660 [btrfs] [ 7800.364844] [<ffffffffc02e29ce>] ? btrfs_file_write_iter+0x17e/0x5f0 [btrfs] [ 7800.364851] [<ffffffff81201955>] ? do_filp_open+0xa5/0x100 [ 7800.364859] [<ffffffff811f0a8a>] ? new_sync_write+0xaa/0xf0 [ 7800.364866] [<ffffffff811f12f4>] ? vfs_write+0xa4/0x1a0 [ 7800.364871] [<ffffffff811f26e2>] ? SyS_write+0x52/0xc0 [ 7800.364877] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [ 7920.364206] INFO: task mlnet:533 blocked for more than 120 seconds. [ 7920.364350] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 7920.364466] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7920.364620] mlnet D ffff88013fc95bc0 0 533 1 0x00000000 [ 7920.364634] ffff8800b86b6280 ffff88013a464dc0 ffff8801389dc000 ffff8801389dbbb8 [ 7920.364645] 7fffffffffffffff ffff88013ffcdac8 ffff8801389dbc50 ffffffff815c2f10 [ 7920.364655] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 7920.364665] Call Trace: [ 7920.364682] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7920.364692] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 7920.364702] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 7920.364771] [<ffffffffc033f01e>] ? btrfs_bio_counter_sub+0x1e/0x50 [btrfs] [ 7920.364832] [<ffffffffc02f941e>] ? btrfs_map_bio+0x20e/0x370 [btrfs] [ 7920.364841] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 7920.364851] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 7920.364863] [<ffffffff810ba465>] ? prepare_to_wait_exclusive+0x55/0x80 [ 7920.364871] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 7920.364881] [<ffffffff815c2cc7>] ? __wait_on_bit_lock+0x47/0xa0 [ 7920.364890] [<ffffffff81170934>] ? __lock_page+0xc4/0xe0 [ 7920.364898] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 7920.364956] [<ffffffffc02de26a>] ? prepare_uptodate_page+0x9a/0xb0 [btrfs] [ 7920.365015] [<ffffffffc02de7a2>] ? prepare_pages+0x182/0x240 [btrfs] [ 7920.365074] [<ffffffffc02df037>] ? __btrfs_buffered_write+0x267/0x660 [btrfs] [ 7920.365136] [<ffffffffc02e29ce>] ? btrfs_file_write_iter+0x17e/0x5f0 [btrfs] [ 7920.365146] [<ffffffff81201955>] ? do_filp_open+0xa5/0x100 [ 7920.365158] [<ffffffff811f0a8a>] ? new_sync_write+0xaa/0xf0 [ 7920.365167] [<ffffffff811f12f4>] ? vfs_write+0xa4/0x1a0 [ 7920.365174] [<ffffffff811f26e2>] ? SyS_write+0x52/0xc0 [ 7920.365184] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [ 8760.364190] INFO: task mlnet:533 blocked for more than 120 seconds. [ 8760.364334] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 8760.364456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8760.364613] mlnet D 0000000000000000 0 533 1 0x00000000 [ 8760.364626] ffff8800b86b6280 ffff880036738f00 ffff8801389dc000 ffff8801389db450 [ 8760.364637] 7fffffffffffffff ffffffff815c2f10 ffff8801389db4d0 0000000000000000 [ 8760.364647] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 8760.364655] Call Trace: [ 8760.364670] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 8760.364681] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 8760.364691] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 8760.364702] [<ffffffff812dfe18>] ? queue_unplugged+0x98/0xa0 [ 8760.364711] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 8760.364721] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 8760.364731] [<ffffffff810ba3a5>] ? prepare_to_wait+0x55/0x80 [ 8760.364740] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 8760.364749] [<ffffffff815c2ae8>] ? __wait_on_bit+0x58/0x90 [ 8760.364815] [<ffffffffc02c1b50>] ? free_root_pointers+0x60/0x60 [btrfs] [ 8760.364826] [<ffffffff81170528>] ? wait_on_page_bit+0xc8/0xf0 [ 8760.364836] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 8760.364897] [<ffffffffc02f0113>] ? read_extent_buffer_pages+0x233/0x350 [btrfs] [ 8760.364953] [<ffffffffc02c1b50>] ? free_root_pointers+0x60/0x60 [btrfs] [ 8760.365010] [<ffffffffc02c2ea1>] ? btree_read_extent_buffer_pages.constprop.53+0xa1/0x100 [btrfs] [ 8760.365068] [<ffffffffc02c3a28>] ? read_tree_block+0x38/0x60 [btrfs] [ 8760.365123] [<ffffffffc02a2bd8>] ? read_block_for_search.isra.34+0x138/0x340 [btrfs] [ 8760.365179] [<ffffffffc02a4e24>] ? btrfs_search_slot+0x394/0x9f0 [btrfs] [ 8760.365237] [<ffffffffc02bdf8e>] ? btrfs_lookup_csum+0x4e/0x150 [btrfs] [ 8760.365294] [<ffffffffc02be2b6>] ? __btrfs_lookup_bio_sums.isra.8+0x226/0x560 [btrfs] [ 8760.365352] [<ffffffffc02be8a2>] ? btrfs_lookup_bio_sums+0x32/0x40 [btrfs] [ 8760.365413] [<ffffffffc031666f>] ? btrfs_submit_compressed_read+0x2df/0x4a0 [btrfs] [ 8760.365473] [<ffffffffc02cd5e8>] ? btrfs_submit_bio_hook+0x188/0x190 [btrfs] [ 8760.365534] [<ffffffffc02e8168>] ? submit_one_bio+0x68/0x90 [btrfs] [ 8760.365595] [<ffffffffc02ecb9f>] ? submit_extent_page+0x12f/0x270 [btrfs] [ 8760.365656] [<ffffffffc02ec2d0>] ? btrfs_create_repair_bio+0x100/0x100 [btrfs] [ 8760.365717] [<ffffffffc02edeb2>] ? __do_readpage+0x3e2/0x910 [btrfs] [ 8760.365777] [<ffffffffc02ec2d0>] ? btrfs_create_repair_bio+0x100/0x100 [btrfs] [ 8760.365837] [<ffffffffc02d0770>] ? btrfs_releasepage+0x40/0x40 [btrfs] [ 8760.365898] [<ffffffffc02e78d8>] ? btrfs_lookup_ordered_range+0x148/0x190 [btrfs] [ 8760.365959] [<ffffffffc02ee6b0>] ? __extent_readpages.constprop.45+0x1d0/0x380 [btrfs] [ 8760.366018] [<ffffffffc02d0770>] ? btrfs_releasepage+0x40/0x40 [btrfs] [ 8760.366080] [<ffffffffc02eee7a>] ? extent_readpages+0x1da/0x1f0 [btrfs] [ 8760.366139] [<ffffffffc02d0770>] ? btrfs_releasepage+0x40/0x40 [btrfs] [ 8760.366152] [<ffffffff811c8a24>] ? alloc_pages_current+0x84/0x110 [ 8760.366164] [<ffffffff8118062d>] ? __do_page_cache_readahead+0x19d/0x250 [ 8760.366174] [<ffffffff81171d67>] ? pagecache_get_page+0x27/0x2b0 [ 8760.366182] [<ffffffff81173f91>] ? filemap_fault+0x281/0x590 [ 8760.366191] [<ffffffff811a24c4>] ? __do_fault+0x74/0x160 [ 8760.366201] [<ffffffff811a630a>] ? handle_mm_fault+0x117a/0x1d00 [ 8760.366211] [<ffffffff814ab17a>] ? SYSC_recvfrom+0x11a/0x130 [ 8760.366224] [<ffffffff810648b5>] ? __do_page_fault+0x1e5/0x500 [ 8760.366235] [<ffffffff815c8478>] ? page_fault+0x28/0x30 [ 9840.368112] INFO: task mlnet:533 blocked for more than 120 seconds. [ 9840.368228] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 9840.368325] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9840.368449] mlnet D 0000000000000000 0 533 1 0x00000000 [ 9840.368458] ffff8800b86b6280 ffff88003659e1c0 ffff8801389dc000 ffff8801389db730 [ 9840.368466] 7fffffffffffffff ffffffff815c2f10 ffff8801389db7b0 0000000000000000 [ 9840.368472] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 9840.368479] Call Trace: [ 9840.368491] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 9840.368498] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 9840.368504] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 9840.368511] [<ffffffff812dfe18>] ? queue_unplugged+0x98/0xa0 [ 9840.368517] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 9840.368523] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 9840.368531] [<ffffffff810ba3a5>] ? prepare_to_wait+0x55/0x80 [ 9840.368536] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 9840.368542] [<ffffffff815c2ae8>] ? __wait_on_bit+0x58/0x90 [ 9840.368593] [<ffffffffc02c1b50>] ? free_root_pointers+0x60/0x60 [btrfs] [ 9840.368600] [<ffffffff81170528>] ? wait_on_page_bit+0xc8/0xf0 [ 9840.368607] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 9840.368654] [<ffffffffc02f0113>] ? read_extent_buffer_pages+0x233/0x350 [btrfs] [ 9840.368698] [<ffffffffc02c1b50>] ? free_root_pointers+0x60/0x60 [btrfs] [ 9840.368742] [<ffffffffc02c2ea1>] ? btree_read_extent_buffer_pages.constprop.53+0xa1/0x100 [btrfs] [ 9840.368786] [<ffffffffc02c3a28>] ? read_tree_block+0x38/0x60 [btrfs] [ 9840.368827] [<ffffffffc02a2bd8>] ? read_block_for_search.isra.34+0x138/0x340 [btrfs] [ 9840.368869] [<ffffffffc02a4e24>] ? btrfs_search_slot+0x394/0x9f0 [btrfs] [ 9840.368912] [<ffffffffc02bdf8e>] ? btrfs_lookup_csum+0x4e/0x150 [btrfs] [ 9840.368955] [<ffffffffc02be2b6>] ? __btrfs_lookup_bio_sums.isra.8+0x226/0x560 [btrfs] [ 9840.368999] [<ffffffffc02be8a2>] ? btrfs_lookup_bio_sums+0x32/0x40 [btrfs] [ 9840.369044] [<ffffffffc02cd586>] ? btrfs_submit_bio_hook+0x126/0x190 [btrfs] [ 9840.369091] [<ffffffffc02e8168>] ? submit_one_bio+0x68/0x90 [btrfs] [ 9840.369138] [<ffffffffc02eedd4>] ? extent_readpages+0x134/0x1f0 [btrfs] [ 9840.369184] [<ffffffffc02d0770>] ? btrfs_releasepage+0x40/0x40 [btrfs] [ 9840.369192] [<ffffffff811c8a24>] ? alloc_pages_current+0x84/0x110 [ 9840.369198] [<ffffffff8118062d>] ? __do_page_cache_readahead+0x19d/0x250 [ 9840.369205] [<ffffffff81180920>] ? ondemand_readahead+0x240/0x250 [ 9840.369211] [<ffffffff811739fd>] ? generic_file_read_iter+0x58d/0x7d0 [ 9840.369219] [<ffffffff811f08a3>] ? new_sync_read+0xa3/0xe0 [ 9840.369226] [<ffffffff811f11b1>] ? vfs_read+0x81/0x120 [ 9840.369231] [<ffffffff811f2622>] ? SyS_read+0x52/0xc0 [ 9840.369237] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [ 9960.368169] INFO: task mlnet:533 blocked for more than 120 seconds. [ 9960.368287] Tainted: G W E 4.6.0-trunk-amd64 #1 [ 9960.368385] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9960.368510] mlnet D 0000000000000000 0 533 1 0x00000000 [ 9960.368519] ffff8800b86b6280 ffff88003659e1c0 ffff8801389dc000 ffff8801389db730 [ 9960.368526] 7fffffffffffffff ffffffff815c2f10 ffff8801389db7b0 0000000000000000 [ 9960.368533] ffffffff815c2771 0000000000000000 ffffffff815c5632 7fffffffffffffff [ 9960.368539] Call Trace: [ 9960.368553] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 9960.368561] [<ffffffff815c2771>] ? schedule+0x31/0x80 [ 9960.368567] [<ffffffff815c5632>] ? schedule_timeout+0x1b2/0x270 [ 9960.368575] [<ffffffff812dfe18>] ? queue_unplugged+0x98/0xa0 [ 9960.368581] [<ffffffff815c2f10>] ? bit_wait+0x60/0x60 [ 9960.368587] [<ffffffff815c1dad>] ? io_schedule_timeout+0x9d/0x100 [ 9960.368596] [<ffffffff810ba3a5>] ? prepare_to_wait+0x55/0x80 [ 9960.368601] [<ffffffff815c2f27>] ? bit_wait_io+0x17/0x60 [ 9960.368607] [<ffffffff815c2ae8>] ? __wait_on_bit+0x58/0x90 [ 9960.368671] [<ffffffffc02c1b50>] ? free_root_pointers+0x60/0x60 [btrfs] [ 9960.368679] [<ffffffff81170528>] ? wait_on_page_bit+0xc8/0xf0 [ 9960.368686] [<ffffffff810ba840>] ? autoremove_wake_function+0x40/0x40 [ 9960.368735] [<ffffffffc02f0113>] ? read_extent_buffer_pages+0x233/0x350 [btrfs] [ 9960.368779] [<ffffffffc02c1b50>] ? free_root_pointers+0x60/0x60 [btrfs] [ 9960.368823] [<ffffffffc02c2ea1>] ? btree_read_extent_buffer_pages.constprop.53+0xa1/0x100 [btrfs] [ 9960.368869] [<ffffffffc02c3a28>] ? read_tree_block+0x38/0x60 [btrfs] [ 9960.368911] [<ffffffffc02a2bd8>] ? read_block_for_search.isra.34+0x138/0x340 [btrfs] [ 9960.368954] [<ffffffffc02a4e24>] ? btrfs_search_slot+0x394/0x9f0 [btrfs] [ 9960.368998] [<ffffffffc02bdf8e>] ? btrfs_lookup_csum+0x4e/0x150 [btrfs] [ 9960.369042] [<ffffffffc02be2b6>] ? __btrfs_lookup_bio_sums.isra.8+0x226/0x560 [btrfs] [ 9960.369086] [<ffffffffc02be8a2>] ? btrfs_lookup_bio_sums+0x32/0x40 [btrfs] [ 9960.369131] [<ffffffffc02cd586>] ? btrfs_submit_bio_hook+0x126/0x190 [btrfs] [ 9960.369179] [<ffffffffc02e8168>] ? submit_one_bio+0x68/0x90 [btrfs] [ 9960.369227] [<ffffffffc02eedd4>] ? extent_readpages+0x134/0x1f0 [btrfs] [ 9960.369273] [<ffffffffc02d0770>] ? btrfs_releasepage+0x40/0x40 [btrfs] [ 9960.369281] [<ffffffff811c8a24>] ? alloc_pages_current+0x84/0x110 [ 9960.369289] [<ffffffff8118062d>] ? __do_page_cache_readahead+0x19d/0x250 [ 9960.369295] [<ffffffff81180920>] ? ondemand_readahead+0x240/0x250 [ 9960.369302] [<ffffffff811739fd>] ? generic_file_read_iter+0x58d/0x7d0 [ 9960.369310] [<ffffffff811f08a3>] ? new_sync_read+0xa3/0xe0 [ 9960.369316] [<ffffffff811f11b1>] ? vfs_read+0x81/0x120 [ 9960.369322] [<ffffffff811f2622>] ? SyS_read+0x52/0xc0 [ 9960.369329] [<ffffffff815c6436>] ? system_call_fast_compare_end+0xc/0x96 [24689.971809] ------------[ cut here ]------------ [24689.971875] WARNING: CPU: 0 PID: 48 at /build/linux-_jiRqf/linux-4.6/fs/btrfs/inode.c:9261 btrfs_destroy_inode+0x234/0x2a0 [btrfs] [24689.971878] Modules linked in: nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) ppdev(E) iTCO_wdt(E) iTCO_vendor_support(E) i915(E) video(E) coretemp(E) drm_kms_helper(E) serio_raw(E) i2c_i801(E) pcspkr(E) sg(E) evdev(E) drm(E) parport_pc(E) 8250_fintek(E) acpi_cpufreq(E) i2c_algo_bit(E) parport(E) lpc_ich(E) tpm_tis(E) tpm(E) shpchp(E) mfd_core(E) button(E) processor(E) autofs4(E) btrfs(E) crc32c_generic(E) xor(E) raid6_pq(E) hid_generic(E) usbhid(E) hid(E) sd_mod(E) ata_generic(E) psmouse(E) ahci(E) libahci(E) pata_jmicron(E) uhci_hcd(E) ehci_pci(E) ehci_hcd(E) libata(E) usbcore(E) usb_common(E) scsi_mod(E) r8169(E) mii(E) fjes(E) [24689.971961] CPU: 0 PID: 48 Comm: kswapd0 Tainted: G W E 4.6.0-trunk-amd64 #1 Debian 4.6-1~exp1 [24689.971965] Hardware name: Gigabyte Technology Co., Ltd. D525TUD/D525TUD, BIOS F5 06/20/2011 [24689.971970] 0000000000000286 00000000d50a7872 ffffffff81311345 0000000000000000 [24689.971978] 0000000000000000 ffffffff8107a50e ffff8801104956d8 ffff8801104955c8 [24689.971985] ffff880036865000 ffff8800365e5000 0000000000000000 0000000000000000 [24689.971991] Call Trace: [24689.972003] [<ffffffff81311345>] ? dump_stack+0x5c/0x77 [24689.972011] [<ffffffff8107a50e>] ? __warn+0xbe/0xe0 [24689.972014] [<ffffffffc02dcd34>] ? btrfs_destroy_inode+0x234/0x2a0 [btrfs] [24689.972014] [<ffffffff8120c696>] ? dispose_list+0x36/0x50 [24689.972014] [<ffffffff8120d732>] ? prune_icache_sb+0x52/0x70 [24689.972014] [<ffffffff811f4a6b>] ? super_cache_scan+0x13b/0x190 [24689.972014] [<ffffffff81185926>] ? shrink_slab.part.39+0x1e6/0x3d0 [24689.972014] [<ffffffff81189f53>] ? shrink_zone+0x303/0x310 [24689.972014] [<ffffffff8118afce>] ? kswapd+0x4fe/0x850 [24689.972014] [<ffffffff8118aad0>] ? mem_cgroup_shrink_node_zone+0x170/0x170 [24689.972014] [<ffffffff81098efd>] ? kthread+0xcd/0xf0 [24689.972014] [<ffffffff815c6672>] ? ret_from_fork+0x22/0x40 [24689.972014] [<ffffffff81098e30>] ? kthread_create_on_node+0x190/0x190 [24689.972193] ---[ end trace 7abb318f298fe823 ]--- -- 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