binder: 28053:28053 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 28054:28054 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 28055:28055 transaction failed 29189/-22, size 72-1008042246168 line 3013 binder: 28056:28056 transaction failed 29189/-22, size 72-1008042246168 line 3013 INFO: task init:20169 blocked for more than 140 seconds. Not tainted 4.9.141+ #23 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D29336 20169 1 0x00000000 ffff8801a97ec740 0000000000000000 ffff8801c2347380 ffff8801da6b2f80 ffff8801db721018 ffff8801c23df738 ffffffff828075c2 0000000000000000 ffff8801a97ecff0 ffffed00352fd9fd 00ff8801a97ec740 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/1900: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 fs/file.c:781 2 locks held by getty/2027: #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/20169: #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/20170: #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/20171: #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/20172: #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/20173: #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/20174: #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+ #23 ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40 ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000003 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: 351 Comm: kworker/0:2 Not tainted 4.9.141+ #23 Workqueue: events binder_deferred_funcc task: ffff8801d6692f80 task.stack: ffff8801d53a8000 RIP: 0010:[] c [] debug_smp_processor_id+0x1c/0x20 lib/smp_processor_id.c:57 RSP: 0018:ffff8801d53af648 EFLAGS: 00000092 RAX: 0000000000000000 RBX: 0000030062ad3cfa RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81ba7d7b RDI: ffffffff82b447e0 RBP: ffff8801d53af648 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000030062ad36d5 R13: 00000000000008fd R14: 0000000000000000 R15: fffffbfff096b76d FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000080dac00 CR3: 000000000301e000 CR4: 00000000001606b0 Stack: ffff8801d53af678c ffffffff81b70852c ffffffff84b5bb20c 000000000000270dc 0000000000000020c fffffbfff096b7abc ffff8801d53af688c ffffffff81b70750c ffff8801d53af698c ffffffff81b7078ac ffff8801d53af6e8c ffffffff81d6473fc Call Trace: [] delay_tsc+0x42/0xc0 arch/x86/lib/delay.c:78 [] __delay+0x10/0x20 arch/x86/lib/delay.c:160 [] __const_udelay+0x2a/0x30 arch/x86/lib/delay.c:174 [] wait_for_xmitr+0x6f/0x1e0 drivers/tty/serial/8250/8250_port.c:2005 [] 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: ce9 cb0 cfe cff cff c66 c2e c0f c1f c84 c00 c00 c00 c00 c00 c55 c48 c89 ce5 ce8 c17 c3b c77 cff c48 cc7 cc6 ca0 c47 cb4 c82 c48 cc7 cc7 ce0 c47 cb4 c82 ce8 ce4 cfd cff cff c<5d> cc3 c66 c90 c55 c48 c89 ce5 c53 c48 c89 cfb ce8 cf3 c3a c77 cff c48 c89 cde c48 c