binder: 29639:29639 transaction failed 29189/-22, size 40-8 line 3010 binder: 29640:29640 transaction failed 29189/-22, size 40-8 line 3010 binder: 29641:29641 transaction failed 29189/-22, size 40-8 line 3010 binder: 29642:29642 transaction failed 29189/-22, size 40-8 line 3010 binder: 29643:29643 transaction failed 29189/-22, size 40-8 line 3010 INFO: task init:3951 blocked for more than 120 seconds. Not tainted 4.9.98-gf5a861c #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D28264 3951 1 0x00000000 ffff8801b574c800 0000000000000000 ffff8801bdbb8fc0 ffff8801d9a6b000 ffff8801db321b98 ffff8801d7f97570 ffffffff839e375d 0000000000000000 ffff8801b574d0ea ffff8801d7f976d0 0000000000000046 ffff8801db322468 Call Trace: [] schedule+0x7f/0x1b0 kernel/sched/core.c:3557 [] schedule_timeout+0x861/0xf70 kernel/time/timer.c:1768 [] __down_common kernel/locking/semaphore.c:221 [inline] [] __down+0x12e/0x1f0 kernel/locking/semaphore.c:238 [] down+0x5e/0x80 kernel/locking/semaphore.c:61 [] console_lock+0x2c/0x80 kernel/printk/printk.c:2212 [] console_device+0x1c/0xc0 kernel/printk/printk.c:2549 [] tty_lookup_driver drivers/tty/tty_io.c:2003 [inline] [] tty_open_by_driver drivers/tty/tty_io.c:2048 [inline] [] tty_open+0x71a/0xe20 drivers/tty/tty_io.c:2125 [] chrdev_open+0x22d/0x4c0 fs/char_dev.c:392 [] do_dentry_open+0x703/0xc80 fs/open.c:766 [] vfs_open+0x11c/0x210 fs/open.c:879 [] do_last fs/namei.c:3410 [inline] [] path_openat+0x758/0x3590 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+0x1a6/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Showing all locks held in the system: 2 locks held by khungtaskd/519: #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/3678: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 fs/file.c:781 2 locks held by getty/3773: #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:2133 1 lock held by init/3951: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125 1 lock held by init/5488: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125 1 lock held by init/5489: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125 1 lock held by init/5490: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125 1 lock held by init/5491: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125 1 lock held by init/5493: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.98-gf5a861c #19 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8677d08 ffffffff81eb0fc9 0000000000000000 0000000000000001 0000000000000001 0000000000000001 ffffffff810b7da0 ffff8801d8677d40 ffffffff81ebc2c7 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.2+0x48/0x87 lib/nmi_backtrace.c:99 [] nmi_trigger_cpumask_backtrace+0x12a/0x14f 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+0x6b4/0xa20 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: 25 Comm: kworker/0:1 Not tainted 4.9.98-gf5a861c #19 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events binder_deferred_funcc task: ffff8801d9408000 task.stack: ffff8801d9410000 RIP: 0010:[] c [] inb arch/x86/include/asm/io.h:316 [inline] RIP: 0010:[] c [] io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:414 RSP: 0018:ffff8801d9417698 EFLAGS: 00000002 RAX: dffffc0000000020 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff8214d5f1 RDI: ffffffff864aae78 RBP: ffff8801d94176a8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff864aae40 R13: 0000000000000020 R14: fffffbfff0c9560f R15: fffffbfff0c955d1 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000204edf8a CR3: 000000000461e000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff864aae40c 0000000000002706c ffff8801d94176f8c ffffffff8214f214c ffffffff81edc2b8c ffffffff864aae88c ffffffff864ab07ac ffffffff864aae40c 0000000000000036c ffffffff8214f360c dffffc0000000000c 0000000000000036c 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:1859 [] 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.18.constprop.28+0x1ad/0x360 kernel/printk/printk.c:1589 [] console_unlock+0x42f/0xb40 kernel/printk/printk.c:2449 [] vprintk_emit+0x448/0x790 kernel/printk/printk.c:1903 [] vprintk+0x28/0x30 kernel/printk/printk.c:1913 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1914 [] vprintk_func kernel/printk/internal.h:36 [inline] [] printk+0xaf/0xd7 kernel/printk/printk.c:1975 [] binder_release_work.cold.72+0x79/0x9b drivers/android/binder.c:4378 [] binder_thread_release+0x425/0x520 drivers/android/binder.c:4569 [] binder_deferred_release drivers/android/binder.c:5110 [inline] [] binder_deferred_func+0x44d/0xc30 drivers/android/binder.c:5182 [] process_one_work+0x7e1/0x1500 kernel/workqueue.c:2092 [] worker_thread+0xd6/0x10a0 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 cc8 cbd c3e cff ceb cc2 ce8 c21 cbe c3e cff ceb c