binder: 19681:19681 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 19682:19682 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 19683:19683 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 19684:19684 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 19685:19685 transaction failed 29189/-22, size 72-1008042246168 line 3013 INFO: task init:11096 blocked for more than 140 seconds. Not tainted 4.9.141+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D28824 11096 1 0x00000000 ffff8801b08f8000 0000000000000000 ffff8801cedbe300 ffff8801da6b2f80 ffff8801db721018 ffff8801b6897738 ffffffff828075c2 0000000000000000 ffff8801b08f88b0 ffffed003611f115 00ff8801b08f8000 ffff8801db7218f0 Call Trace: [] schedule+0x7f/0x1b0 kernel/sched/core.c:3553 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3586 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x38d/0x900 kernel/locking/mutex.c:621 [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 [] chrdev_open+0x22d/0x5c0 fs/char_dev.c:392 [] do_dentry_open+0x3ef/0xc90 fs/open.c:766 [] vfs_open+0x11c/0x210 fs/open.c:879 [] do_last fs/namei.c:3410 [inline] [] path_openat+0x542/0x2790 fs/namei.c:3534 [] do_filp_open+0x197/0x270 fs/namei.c:3568 [] do_sys_open+0x30d/0x5c0 fs/open.c:1072 [] SYSC_open fs/open.c:1090 [inline] [] SyS_open+0x2d/0x40 fs/open.c:1085 [] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Showing all locks held in the system: 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 kernel/hung_task.c:239 #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336 1 lock held by rsyslogd/1906: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 fs/file.c:781 2 locks held by getty/2034: #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142 1 lock held by init/11096: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/11097: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/11098: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/11099: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/11100: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/11101: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #1 ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40 ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000002 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99 [] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60 [] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog+0x6ad/0xa20 kernel/hung_task.c:239 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 23 Comm: kworker/0:1 Not tainted 4.9.141+ #1 Workqueue: events binder_deferred_funcc task: ffff8801da732f80 task.stack: ffff8801d9c38000 RIP: 0010:[] c [] io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:414 RSP: 0018:ffff8801d9c3f688 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff81d624f1 RDI: ffffffff84b5bb58 RBP: ffff8801d9c3f698 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff84b5bb20 R13: 0000000000000020 R14: fffffbfff096b7ab R15: fffffbfff096b76d FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004c3528 CR3: 000000000301e000 CR4: 00000000001606b0 Stack: ffffffff84b5bb20c 000000000000270fc ffff8801d9c3f6e8c ffffffff81d64764c ffffffff81b6cdd8c ffffffff84b5bb68c ffffffff84b5bd5ac ffffffff84b5bb20c 0000000000000069c ffffffff81d648b0c dffffc0000000000c 0000000000000069c Call Trace: [] serial_in drivers/tty/serial/8250/8250.h:111 [inline] [] wait_for_xmitr+0x94/0x1e0 drivers/tty/serial/8250/8250_port.c:1997 [] serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3103 [] uart_console_write+0x59/0xf0 drivers/tty/serial/serial_core.c:1866 [] serial8250_console_write+0x528/0x820 drivers/tty/serial/8250/8250_port.c:3169 [] univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:594 [] call_console_drivers.isra.0.constprop.15+0x1ad/0x360 kernel/printk/printk.c:1594 [] console_unlock+0x47f/0xb50 kernel/printk/printk.c:2454 [] vprintk_emit+0x448/0x790 kernel/printk/printk.c:1908 [] vprintk+0x28/0x30 kernel/printk/printk.c:1918 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1919 [] vprintk_func kernel/printk/internal.h:36 [inline] [] printk+0xaf/0xd7 kernel/printk/printk.c:1980 [] binder_release_work.cold.47+0x42/0x98 drivers/android/binder.c:4382 [] binder_thread_release+0x425/0x520 drivers/android/binder.c:4573 [] binder_deferred_release drivers/android/binder.c:5179 [inline] [] binder_deferred_func+0x47e/0xdb0 drivers/android/binder.c:5262 [] process_one_work+0x831/0x15f0 kernel/workqueue.c:2092 [] worker_thread+0xd6/0x1140 kernel/workqueue.c:2226 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Code: c24 cc9 c00 c00 c00 c49 c8d c7c c24 c38 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c48 c89 cfa c48 cc1 cea c03 cd3 ce3 c80 c3c c02 c00 c75 c17 c41 c03 c5c c24 c38 c89 cda cec c<5b> c0f cb6 cc0 c41 c5c c5d cc3 ce8 ca8 c0a c79 cff ceb cc2 ce8 c01 c0b c79 cff ceb c