binder: 18589:18589 transaction failed 29189/-22, size 660-0 line 3004
binder: 18590:18590 transaction failed 29189/-22, size 660-0 line 3004
binder: 18591:18591 transaction failed 29189/-22, size 660-0 line 3004
binder: 18592:18592 transaction failed 29189/-22, size 660-0 line 3004
binder: 18593:18593 transaction failed 29189/-22, size 660-0 line 3004
INFO: task init:3900 blocked for more than 120 seconds.
      Not tainted 4.9.75-g5f5e5d4 #7
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D29136  3900      1 0x00000000
 ffff8801c4189800 0000000000000000 ffff8801c42b9f80 ffff8801d9934800
 ffff8801db221b98 ffff8801c4c9f620 ffffffff8389f9fb ffff8801c4c9f780
 0000000000000046 00ffffff8107c5dd ffff8801db222468 ffff8801db222490
Call Trace:
 [<ffffffff838a0f9f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3550
 [<ffffffff838ad0fc>] schedule_timeout+0x56c/0x10b0 kernel/time/timer.c:1768
 [<ffffffff838a9a88>] __down_common kernel/locking/semaphore.c:221 [inline]
 [<ffffffff838a9a88>] __down+0x128/0x1c0 kernel/locking/semaphore.c:238
 [<ffffffff8122f37e>] down+0x5e/0x80 kernel/locking/semaphore.c:61
 [<ffffffff812631dc>] console_lock+0x2c/0x80 kernel/printk/printk.c:2212
 [<ffffffff81268a8c>] console_device+0x1c/0xc0 kernel/printk/printk.c:2545
 [<ffffffff82001625>] tty_lookup_driver drivers/tty/tty_io.c:1986 [inline]
 [<ffffffff82001625>] tty_open_by_driver drivers/tty/tty_io.c:2031 [inline]
 [<ffffffff82001625>] tty_open+0x425/0xdf0 drivers/tty/tty_io.c:2108
 [<ffffffff8157a90b>] chrdev_open+0x22b/0x4c0 fs/char_dev.c:392
 [<ffffffff815659b7>] do_dentry_open+0x607/0xc60 fs/open.c:766
 [<ffffffff81569465>] vfs_open+0x105/0x220 fs/open.c:879
 [<ffffffff8159fbec>] do_last fs/namei.c:3408 [inline]
 [<ffffffff8159fbec>] path_openat+0x5ac/0x2910 fs/namei.c:3531
 [<ffffffff815a5747>] do_filp_open+0x197/0x290 fs/namei.c:3566
 [<ffffffff81569f42>] do_sys_open+0x352/0x4c0 fs/open.c:1072
 [<ffffffff8156a0dd>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff8156a0dd>] SyS_open+0x2d/0x40 fs/open.c:1085
 [<ffffffff838b0aa8>] entry_SYSCALL_64_fastpath+0x23/0xe2

Showing all locks held in the system:
2 locks held by khungtaskd/514:
 #0:  (rcu_read_lock){......}, at: [<ffffffff81371c45>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff81371c45>] watchdog+0x125/0xa70 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff81236dd0>] debug_show_all_locks+0x70/0x280 kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/3172:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<ffffffff815d20bf>] __fdget_pos+0x9f/0xc0 fs/file.c:781
2 locks held by getty/3301:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff838aec72>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff82008394>] n_tty_read+0x1f4/0x16c0 drivers/tty/n_tty.c:2133
1 lock held by init/3900:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open_by_driver drivers/tty/tty_io.c:2030 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2108
1 lock held by init/3901:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open_by_driver drivers/tty/tty_io.c:2030 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2108
1 lock held by init/3902:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open_by_driver drivers/tty/tty_io.c:2030 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2108
1 lock held by init/3903:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open_by_driver drivers/tty/tty_io.c:2030 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2108
1 lock held by init/3904:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open_by_driver drivers/tty/tty_io.c:2030 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2108
1 lock held by init/3905:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open_by_driver drivers/tty/tty_io.c:2030 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff82001607>] tty_open+0x407/0xdf0 drivers/tty/tty_io.c:2108

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 514 Comm: khungtaskd Not tainted 4.9.75-g5f5e5d4 #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d8ba7d00 ffffffff81d93049 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff810ba750 ffff8801d8ba7d38
 ffffffff81d9e16d 0000000000000001 0000000000000000 ffff8801c4189c18
Call Trace:
 [<ffffffff81d93049>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93049>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81d9e16d>] nmi_cpu_backtrace+0xfd/0x120 lib/nmi_backtrace.c:99
 [<ffffffff81d9e2a7>] nmi_trigger_cpumask_backtrace+0x117/0x190 lib/nmi_backtrace.c:60
 [<ffffffff810ba844>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff81372210>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff81372210>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff81372210>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff81372210>] watchdog+0x6f0/0xa70 kernel/hung_task.c:239
 [<ffffffff811995dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff838b0db6>] ret_from_fork+0x46/0x60 arch/x86/entry/entry_64.S:460
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.9.75-g5f5e5d4 #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events binder_deferred_func
c
task: ffff8801d9934800 task.stack: ffff8801d9970000
RIP: 0010:[<ffffffff820386cb>] 
c [<ffffffff820386cb>] inb arch/x86/include/asm/io.h:316 [inline]
RIP: 0010:[<ffffffff820386cb>] 
c [<ffffffff820386cb>] io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:414
RSP: 0018:ffff8801d9977690  EFLAGS: 00000002
RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8627a478
RBP: ffff8801d99776a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8627a440
R13: 0000000000000020 R14: fffffbfff0c4f4cf R15: fffffbfff0c4f491
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa417c01a30 CR3: 00000001c098e000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8627a440
c 000000000000270d
c ffff8801d99776f0
c ffffffff8203a2fe
c
 ffffffff83a66acd
c ffffffff8627a488
c ffffffff8627a67a
c ffffffff8627a440
c
 000000000000005b
c ffffffff8203a440
c dffffc0000000000
c 000000000000005b
c
Call Trace:
 [<ffffffff8203a2fe>] serial_in drivers/tty/serial/8250/8250.h:111 [inline]
 [<ffffffff8203a2fe>] wait_for_xmitr+0x8e/0x1d0 drivers/tty/serial/8250/8250_port.c:1997
 [<ffffffff8203a45f>] serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3103
 [<ffffffff8202275c>] uart_console_write+0xac/0xe0 drivers/tty/serial/serial_core.c:1855
 [<ffffffff82045eb0>] serial8250_console_write+0x2e0/0x850 drivers/tty/serial/8250/8250_port.c:3169
 [<ffffffff8203329f>] univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:594
 [<ffffffff812649f5>] call_console_drivers.isra.20.constprop.29+0x1a5/0x350 kernel/printk/printk.c:1589
 [<ffffffff812676b5>] console_unlock+0x425/0xb20 kernel/printk/printk.c:2445
 [<ffffffff81268292>] vprintk_emit+0x4e2/0x750 kernel/printk/printk.c:1903
 [<ffffffff81268528>] vprintk+0x28/0x30 kernel/printk/printk.c:1913
 [<ffffffff8126854d>] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1914
 [<ffffffff8142ef9c>] vprintk_func kernel/printk/internal.h:36 [inline]
 [<ffffffff8142ef9c>] printk+0xb7/0xe2 kernel/printk/printk.c:1975
 [<ffffffff82d61ed6>] binder_release_work+0x166/0x260 drivers/android/binder.c:4372
 [<ffffffff82d62245>] binder_thread_release+0x275/0x540 drivers/android/binder.c:4542
 [<ffffffff82d6294f>] binder_deferred_release drivers/android/binder.c:5081 [inline]
 [<ffffffff82d6294f>] binder_deferred_func+0x43f/0xd10 drivers/android/binder.c:5153
 [<ffffffff811886d0>] process_one_work+0x7e0/0x1610 kernel/workqueue.c:2091
 [<ffffffff811895e0>] worker_thread+0xe0/0x10d0 kernel/workqueue.c:2225
 [<ffffffff811995dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff838b0db6>] ret_from_fork+0x46/0x60 arch/x86/entry/entry_64.S:460
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 
c88 
c49 
c50 
cff 
ceb 
cc2 
ce8 
ce1 
c49 
c50 
cff 
ceb 
c