hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 INFO: task init:2590 blocked for more than 140 seconds. Not tainted 4.4.174+ #17 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D ffff8800b6d3f718 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 28016 2590 1 0x00000000 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 ffff8800b6d3f718 ffff8800b7700000 c3cfd5224b016504 ffff8800b7700000 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 0000000000000000 ffff8800b7700800 ffff8801db61f180 ffff8801db61f1a8 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 ffff8801db61e898 ffff8801d4ed5f00 ffff8800b7700000 ffffed0016da7001 Call Trace: hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] tty_open+0x56a/0xf50 drivers/tty/tty_io.c:2067 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] chrdev_open+0x230/0x630 fs/char_dev.c:388 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] do_dentry_open+0x38f/0xbd0 fs/open.c:749 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] vfs_open+0x10b/0x210 fs/open.c:862 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] do_last fs/namei.c:3269 [inline] [] path_openat+0x136f/0x4470 fs/namei.c:3406 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 hid-generic 0000:0000:0000.17D9: unknown main item tag 0x0 [] do_filp_open+0x1a1/0x270 fs/namei.c:3440 [] do_sys_open+0x2f8/0x600 fs/open.c:1038 [] SYSC_open fs/open.c:1056 [inline] [] SyS_open+0x2d/0x40 fs/open.c:1051 [] entry_SYSCALL_64_fastpath+0x1e/0x9a 1 lock held by init/2590: #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x56a/0xf50 drivers/tty/tty_io.c:2067 Sending NMI to all CPUs: NMI backtrace for cpu 0 CPU: 0 PID: 9176 Comm: kworker/0:0 Not tainted 4.4.174+ #17 Workqueue: events uhid_device_add_worker task: ffff8800b32a2f80 task.stack: ffff8801d9f70000 RIP: 0010:[] [] is_module_text_address+0x6/0x50 kernel/module.c:4104 RSP: 0018:ffff8801d9f77358 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff8800b7dba100 RCX: 1ffffffff0634400 RDX: 0000000000000000 RSI: ffff8800b7dba100 RDI: ffff8800b7dba100 RBP: ffff8801d9f77360 R08: ffff8801d9f77488 R09: 0000000000000000 R10: ffff8801d9f77748 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9f77488 R14: ffff8801d9f77ff8 R15: ffff8801d9f70000 FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7047c1d518 CR3: 00000001d4864000 CR4: 00000000001606b0 Stack: 0000000000000000 ffff8801d9f77378 ffffffff8112f548 ffff8801d9f77720 ffff8801d9f773d0 ffffffff81013549 ffff8800b7dba100 ffff8801d9f77748 ffff8801d9f77748 ffffffff8280f0b0 ffff8801d9f77488 ffffffff8280f0b0 Call Trace: [] __kernel_text_address+0x68/0xa0 kernel/extable.c:103 [] print_context_stack+0x59/0xd0 arch/x86/kernel/dumpstack.c:107 [] dump_trace+0x179/0x390 arch/x86/kernel/dumpstack_64.c:243 [] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [] save_stack mm/kasan/kasan.c:512 [inline] [] set_track mm/kasan/kasan.c:524 [inline] [] kasan_kmalloc.part.0+0x62/0xf0 mm/kasan/kasan.c:616 [] kasan_kmalloc+0xb7/0xd0 mm/kasan/kasan.c:601 [] kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:554 [] slab_post_alloc_hook mm/slub.c:1349 [inline] [] slab_alloc_node mm/slub.c:2615 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc_trace+0xe0/0x2d0 mm/slub.c:2640 [] kmalloc include/linux/slab.h:476 [inline] [] kzalloc include/linux/slab.h:620 [inline] [] uhid_hid_start+0x73/0x340 drivers/hid/uhid.c:118 [] hid_hw_start include/linux/hid.h:939 [inline] [] hid_device_probe+0x2d1/0x4c0 drivers/hid/hid-core.c:2185 [] really_probe drivers/base/dd.c:310 [inline] [] driver_probe_device+0x205/0x680 drivers/base/dd.c:423 [] __device_attach_driver+0x1e2/0x240 drivers/base/dd.c:508 [] bus_for_each_drv+0x16f/0x200 drivers/base/bus.c:467 [] __device_attach+0x21d/0x320 drivers/base/dd.c:565 [] device_initial_probe+0x1b/0x20 drivers/base/dd.c:612 [] bus_probe_device+0x1e7/0x290 drivers/base/bus.c:561 [] device_add+0xa44/0x1490 drivers/base/core.c:1142 [] hid_add_device drivers/hid/hid-core.c:2656 [inline] [] hid_add_device+0x33b/0x990 drivers/hid/hid-core.c:2607 [] uhid_device_add_worker+0x3f/0x150 drivers/hid/uhid.c:68 [] process_one_work+0x825/0x NMI backtrace for cpu 1 CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17 task: ffff8801da6f4740 task.stack: ffff8800001d0000 RIP: 0010:[] [] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:62 [inline] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 arch/x86/kernel/apic/apic_flat_64.c:69 RSP: 0018:ffff8800001d7c88 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000ffe9bc5c CR3: 00000000ba3cf000 CR4: 00000000001606b0 Stack: 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee 0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab8252 Call Trace: [] nmi_raise_cpu_backtrace+0x5e/0x80 arch/x86/kernel/apic/hw_nmi.c:33 [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae 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+0xd3/0xee kernel/hung_task.c:238 [] kthread+0x273/0x310 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f1