binder: send failed reply for transaction 230, target dead binder: undelivered TRANSACTION_ERROR: 29189 INFO: task loop0:27742 blocked for more than 120 seconds. Not tainted 4.4.130-ged11d8f #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. loop0 D ffff8801bf1b6d40 26880 27742 2 0x00000000 ffff8801bf1b6d40 ffff8801d31ce8d8 ffff8801d31ce900 ffff8801d31ce8e0 1ffff10037e36d00 ffff8801db21fdb8 ffff8801db21fde0 ffff8801db21f4d8 ffff8801db21f4c0 ffff8800bb96b000 ffff8801d31ce000 ffff8801bf1b7610 Call Trace: [] schedule+0x7a/0x1b0 kernel/sched/core.c:3359 [] schedule_timeout+0x481/0x8b0 kernel/time/timer.c:1515 [] io_schedule_timeout+0x1ba/0x390 kernel/sched/core.c:4941 [] io_schedule include/linux/sched.h:447 [inline] [] bt_get+0x2af/0x760 block/blk-mq-tag.c:301 [] __blk_mq_get_tag block/blk-mq-tag.c:325 [inline] [] blk_mq_get_tag+0x1f5/0x360 block/blk-mq-tag.c:353 [] __blk_mq_alloc_request+0x27/0xa40 block/blk-mq.c:215 [] blk_mq_map_request.isra.42+0x732/0xe00 block/blk-mq.c:1190 [] blk_sq_make_request+0x1ad/0xe60 block/blk-mq.c:1361 [] generic_make_request+0x211/0x9b0 block/blk-core.c:2081 [] submit_bio+0xdf/0x3b0 block/blk-core.c:2154 [] dio_bio_submit fs/direct-io.c:409 [inline] [] do_blockdev_direct_IO+0x5aab/0x82f0 fs/direct-io.c:1283 [] __blockdev_direct_IO+0xae/0xe0 fs/direct-io.c:1342 [] blkdev_direct_IO+0xb2/0xe0 fs/block_dev.c:167 [] generic_file_read_iter+0x35c/0x1150 mm/filemap.c:1790 [] blkdev_read_iter+0x105/0x170 fs/block_dev.c:1679 [] lo_rw_aio+0x481/0x870 drivers/block/loop.c:506 [] lo_rw_simple drivers/block/loop.c:520 [inline] [] do_req_filebacked drivers/block/loop.c:558 [inline] [] loop_handle_cmd drivers/block/loop.c:1705 [inline] [] loop_queue_work+0x12b7/0x1620 drivers/block/loop.c:1717 [] kthread_worker_fn+0x1c3/0x610 kernel/kthread.c:602 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 no locks held by loop0/27742. Sending NMI to all CPUs: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.130-ged11d8f #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffffffff84417840 task.stack: ffffffff84400000 RIP: 0010:[] [] reschedule_interrupt+0x3/0xb0 arch/x86/entry/entry_64.S:763 RSP: 0018:ffffffff84407d98 EFLAGS: 00000046 RAX: 0000000000000007 RBX: ffffffff84a05a68 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8441811c RBP: ffffffff84407dc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: fffffbfff074890c R15: ffffffff84a05a68 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000234d000 CR3: 00000001cb0e9000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff810cc306 0000000000000010 0000000000000246 ffffffff84407dc8 0000000000000018 ffffffff8122e8ad ffffffff84407e00 ffffffff81025da5 ffffffff84408000 0000000000000000 0000000000000000 fffffbfff074890c Call Trace: [] arch_safe_halt arch/x86/include/asm/paravirt.h:117 [inline] [] default_idle+0x55/0x3c0 arch/x86/kernel/process.c:290 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:281 [] default_idle_call+0x57/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6af/0x780 kernel/sched/idle.c:301 [] rest_init+0x188/0x18e init/main.c:410 [] start_kernel+0x6b3/0x6e7 init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x13f/0x162 arch/x86/kernel/head64.c:185 Code: 66 01 00 65 48 0f 44 24 25 98 66 01 00 57 e8 9e 16 74 fd e8 40 65 7e fd e9 1b e7 ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <68> 02 ff ff ff fc 48 83 c4 88 4c 89 5c 24 30 4c 89 54 24 38 4c NMI backtrace for cpu 1 CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.130-ged11d8f #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d8df0000 task.stack: ffff8801d8e10000 RIP: 0010:[] [] native_apic_mem_write arch/x86/include/asm/apic.h:94 [inline] RIP: 0010:[] [] __default_send_IPI_dest_field arch/x86/include/asm/ipi.h:119 [inline] RIP: 0010:[] [] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:61 [inline] RIP: 0010:[] [] flat_send_IPI_mask+0xf6/0x1a0 arch/x86/kernel/apic/apic_flat_64.c:69 RSP: 0018:ffff8801d8e17cc8 EFLAGS: 00000046 RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 RBP: ffff8801d8e17cf0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f7a0 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f594f127000 CR3: 00000001cb0e9000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff8446f7a0 ffffffff84a189a0 0000000000000007 fffffbfff0942be4 0000000000000040 ffff8801d8e17d10 ffffffff810b5d21 ffffffff83c0b0a0 0000000000000003 ffff8801d8e17d68 ffffffff81e18d03 ffff8801d31ce000 Call Trace: [] nmi_raise_cpu_backtrace+0x61/0x80 arch/x86/kernel/apic/hw_nmi.c:33 [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad lib/nmi_backtrace.c:85 [] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 [] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog.cold.1+0xd3/0xee kernel/hung_task.c:238 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 Code: b3 5f ff f6 c4 10 75 e2 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 f2 09 da 80 cf 04 41 83 fe 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 75 1a 4c 89 e7 57 9d 0f 1f 44 00 00 e8 a2