[ 361.338219] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 361.338311] kworker/u18:1 D ffffffff8180bdc0 0 81 2 0x00000000 [ 361.338341] Workqueue: bcache_writeback read_dirty [bcache] [ 361.338345] ffff88086b741bb8 0000000000000046 ffff88086b741ca8 ffff88086b741cc3 [ 361.338352] ffff88086b738000 ffff88086b741fd8 ffff88086b741fd8 ffff88086b741fd8 [ 361.338357] ffff88046dd90000 ffff88086b738000 ffff88046b9affff ffff88046d2f0b98 [ 361.338363] Call Trace: [ 361.338377] [] schedule+0x29/0x70 [ 361.338383] [] schedule_timeout+0x1e5/0x250 [ 361.338391] [] ? vscnprintf+0x11/0x30 [ 361.338395] [] ? scnprintf+0x34/0x40 [ 361.338401] [] __down_common+0x8e/0xe3 [ 361.338406] [] __down+0x1d/0x1f [ 361.338416] [] down+0x41/0x50 [ 361.338428] [] read_dirty+0x1ea/0x3f0 [bcache] [ 361.338435] [] process_one_work+0x174/0x490 [ 361.338440] [] worker_thread+0x11b/0x370 [ 361.338446] [] ? manage_workers.isra.21+0x2d0/0x2d0 [ 361.338450] [] kthread+0xc0/0xd0 [ 361.338455] [] ? flush_kthread_worker+0xb0/0xb0 [ 361.338463] [] ret_from_fork+0x7c/0xb0 [ 361.338467] [] ? flush_kthread_worker+0xb0/0xb0 [ 481.434486] INFO: task kworker/u18:1:81 blocked for more than 120 seconds. [ 481.434583] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 481.434675] kworker/u18:1 D ffffffff8180bdc0 0 81 2 0x00000000 [ 481.434705] Workqueue: bcache_writeback read_dirty [bcache] [ 481.434709] ffff88086b741bb8 0000000000000046 ffff88086b741ca8 ffff88086b741cc3 [ 481.434715] ffff88086b738000 ffff88086b741fd8 ffff88086b741fd8 ffff88086b741fd8 [ 481.434720] ffff88046dd90000 ffff88086b738000 ffff88046b9affff ffff88046d2f0b98 [ 481.434726] Call Trace: [ 481.434742] [] schedule+0x29/0x70 [ 481.434748] [] schedule_timeout+0x1e5/0x250 [ 481.434756] [] ? vscnprintf+0x11/0x30 [ 481.434760] [] ? scnprintf+0x34/0x40 [ 481.434766] [] __down_common+0x8e/0xe3 [ 481.434771] [] __down+0x1d/0x1f [ 481.434781] [] down+0x41/0x50 [ 481.434793] [] read_dirty+0x1ea/0x3f0 [bcache] [ 481.434800] [] process_one_work+0x174/0x490 [ 481.434805] [] worker_thread+0x11b/0x370 [ 481.434810] [] ? manage_workers.isra.21+0x2d0/0x2d0 [ 481.434815] [] kthread+0xc0/0xd0 [ 481.434820] [] ? flush_kthread_worker+0xb0/0xb0 [ 481.434828] [] ret_from_fork+0x7c/0xb0 [ 481.434832] [] ? flush_kthread_worker+0xb0/0xb0 [ 601.530887] INFO: task kworker/u18:1:81 blocked for more than 120 seconds. [ 601.530985] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.531078] kworker/u18:1 D ffffffff8180bdc0 0 81 2 0x00000000 [ 601.531108] Workqueue: bcache_writeback read_dirty [bcache] [ 601.531112] ffff88086b741bb8 0000000000000046 ffff88086b741ca8 ffff88086b741cc3 [ 601.531119] ffff88086b738000 ffff88086b741fd8 ffff88086b741fd8 ffff88086b741fd8 [ 601.531124] ffff88046dd90000 ffff88086b738000 ffff88046b9affff ffff88046d2f0b98 [ 601.531129] Call Trace: [ 601.531143] [] schedule+0x29/0x70 [ 601.531150] [] schedule_timeout+0x1e5/0x250 [ 601.531157] [] ? vscnprintf+0x11/0x30 [ 601.531161] [] ? scnprintf+0x34/0x40 [ 601.531167] [] __down_common+0x8e/0xe3 [ 601.531172] [] __down+0x1d/0x1f [ 601.531182] [] down+0x41/0x50 [ 601.531193] [] read_dirty+0x1ea/0x3f0 [bcache] [ 601.531200] [] process_one_work+0x174/0x490 [ 601.531205] [] worker_thread+0x11b/0x370 [ 601.531210] [] ? manage_workers.isra.21+0x2d0/0x2d0 [ 601.531215] [] kthread+0xc0/0xd0 [ 601.531220] [] ? flush_kthread_worker+0xb0/0xb0 [ 601.531227] [] ret_from_fork+0x7c/0xb0 [ 601.531231] [] ? flush_kthread_worker+0xb0/0xb0 [ 721.627522] INFO: task kworker/u18:1:81 blocked for more than 120 seconds. [ 721.627555] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.627581] kworker/u18:1 D ffffffff8180bdc0 0 81 2 0x00000000 [ 721.627611] Workqueue: bcache_writeback read_dirty [bcache] [ 721.627616] ffff88086b741bb8 0000000000000046 ffff88086b741ca8 ffff88086b741cc3 [ 721.627622] ffff88086b738000 ffff88086b741fd8 ffff88086b741fd8 ffff88086b741fd8 [ 721.627627] ffff88046dd90000 ffff88086b738000 ffff88046b9affff ffff88046d2f0b98 [ 721.627632] Call Trace: [ 721.627646] [] schedule+0x29/0x70 [ 721.627652] [] schedule_timeout+0x1e5/0x250 [ 721.627660] [] ? vscnprintf+0x11/0x30 [ 721.627664] [] ? scnprintf+0x34/0x40 [ 721.627669] [] __down_common+0x8e/0xe3 [ 721.627675] [] __down+0x1d/0x1f [ 721.627684] [] down+0x41/0x50 [ 721.627696] [] read_dirty+0x1ea/0x3f0 [bcache] [ 721.627703] [] process_one_work+0x174/0x490 [ 721.627708] [] worker_thread+0x11b/0x370 [ 721.627713] [] ? manage_workers.isra.21+0x2d0/0x2d0 [ 721.627718] [] kthread+0xc0/0xd0 [ 721.627723] [] ? flush_kthread_worker+0xb0/0xb0 [ 721.627730] [] ret_from_fork+0x7c/0xb0 [ 721.627735] [] ? flush_kthread_worker+0xb0/0xb0 [ 841.724039] INFO: task kworker/u18:1:81 blocked for more than 120 seconds. [ 841.724071] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.724107] kworker/u18:1 D ffffffff8180bdc0 0 81 2 0x00000000 [ 841.724136] Workqueue: bcache_writeback read_dirty [bcache] [ 841.724140] ffff88086b741bb8 0000000000000046 ffff88086b741ca8 ffff88086b741cc3 [ 841.724147] ffff88086b738000 ffff88086b741fd8 ffff88086b741fd8 ffff88086b741fd8 [ 841.724161] ffff88046dd90000 ffff88086b738000 ffff88046b9affff ffff88046d2f0b98 [ 841.724167] Call Trace: [ 841.724181] [] schedule+0x29/0x70 [ 841.724186] [] schedule_timeout+0x1e5/0x250 [ 841.724194] [] ? vscnprintf+0x11/0x30 [ 841.724198] [] ? scnprintf+0x34/0x40 [ 841.724204] [] __down_common+0x8e/0xe3 [ 841.724209] [] __down+0x1d/0x1f [ 841.724219] [] down+0x41/0x50 [ 841.724230] [] read_dirty+0x1ea/0x3f0 [bcache] [ 841.724237] [] process_one_work+0x174/0x490 [ 841.724243] [] worker_thread+0x11b/0x370 [ 841.724248] [] ? manage_workers.isra.21+0x2d0/0x2d0 [ 841.724252] [] kthread+0xc0/0xd0 [ 841.724257] [] ? flush_kthread_worker+0xb0/0xb0 [ 841.724265] [] ret_from_fork+0x7c/0xb0 [ 841.724269] [] ? flush_kthread_worker+0xb0/0xb0 [ 961.820785] INFO: task kworker/u18:1:81 blocked for more than 120 seconds. [ 961.820818] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.820845] kworker/u18:1 D ffffffff8180bdc0 0 81 2 0x00000000 [ 961.820876] Workqueue: bcache_writeback read_dirty [bcache] [ 961.820880] ffff88086b741bb8 0000000000000046 ffff88086b741ca8 ffff88086b741cc3 [ 961.820886] ffff88086b738000 ffff88086b741fd8 ffff88086b741fd8 ffff88086b741fd8 [ 961.820891] ffff88046dd90000 ffff88086b738000 ffff88046b9affff ffff88046d2f0b98 [ 961.820897] Call Trace: [ 961.820911] [] schedule+0x29/0x70 [ 961.820917] [] schedule_timeout+0x1e5/0x250 [ 961.820924] [] ? vscnprintf+0x11/0x30 [ 961.820928] [] ? scnprintf+0x34/0x40 [ 961.820934] [] __down_common+0x8e/0xe3 [ 961.820940] [] __down+0x1d/0x1f [ 961.820950] [] down+0x41/0x50 [ 961.820961] [] read_dirty+0x1ea/0x3f0 [bcache] [ 961.820969] [] process_one_work+0x174/0x490 [ 961.820974] [] worker_thread+0x11b/0x370 [ 961.820979] [] ? manage_workers.isra.21+0x2d0/0x2d0 [ 961.820984] [] kthread+0xc0/0xd0 [ 961.820988] [] ? flush_kthread_worker+0xb0/0xb0 [ 961.820996] [] ret_from_fork+0x7c/0xb0 [ 961.821000] [] ? flush_kthread_worker+0xb0/0xb0