Подскажите что может быть:
[ 1773.783166] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [kworker/0:0:3181]
[ 1773.790947] Modules linked in: smsc95xx ch341 w1_therm ci_hdrc_imx usbmisc_imx ci_hdrc w1_gpio udc_core lirc_pwm(C) wire lirc_dev mcp251x can_dev mxs_dcp
[ 1773.804855] CPU: 0 PID: 3181 Comm: kworker/0:0 Tainted: G C L 4.1.15-imxv5-x0.1 #2
[ 1773.813390] Hardware name: Freescale MXS (Device Tree)
[ 1773.818575] Workqueue: events kernfs_notify_workfn
[ 1773.823392] task: c095e940 ti: c2b8e000 task.ti: c2b8e000
[ 1773.828827] PC is at usb_hcd_unmap_urb_for_dma+0x6c/0x15c
[ 1773.834257] LR is at __dma_page_dev_to_cpu+0x28/0xd4
[ 1773.839238] pc : [<c027dd50>] lr : [<c0016d90>] psr: 80000013
[ 1773.839238] sp : c2b8fdd0 ip : 00010200 fp : c0600de0
[ 1773.850724] r10: 40000006 r9 : 00000100 r8 : c0600df8
[ 1773.855955] r7 : c2e76910 r6 : 00000000 r5 : c00178fc r4 : c2e8b380
[ 1773.862488] r3 : c001a95c r2 : 00000002 r1 : 00000fff r0 : c2a64122
[ 1773.869024] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 1773.876341] Control: 0005317f Table: 42e64000 DAC: 00000017
[ 1773.882101] CPU: 0 PID: 3181 Comm: kworker/0:0 Tainted: G C L 4.1.15-imxv5-x0.1 #2
[ 1773.890629] Hardware name: Freescale MXS (Device Tree)
[ 1773.895793] Workqueue: events kernfs_notify_workfn
[ 1773.900670] [<c0015330>] (unwind_backtrace) from [<c0012968>] (show_stack+0x10/0x14)
[ 1773.908485] [<c0012968>] (show_stack) from [<c0062edc>] (watchdog_timer_fn+0x150/0x194)
[ 1773.916554] [<c0062edc>] (watchdog_timer_fn) from [<c004cef8>] (__run_hrtimer+0x4c/0x11c)
[ 1773.924779] [<c004cef8>] (__run_hrtimer) from [<c004d1ec>] (hrtimer_interrupt+0xe4/0x23c)
[ 1773.933005] [<c004d1ec>] (hrtimer_interrupt) from [<c02d7374>] (mxs_timer_interrupt+0x20/0x2c)
[ 1773.941671] [<c02d7374>] (mxs_timer_interrupt) from [<c0044748>] (handle_irq_event_percpu+0x78/0x14c)
[ 1773.950932] [<c0044748>] (handle_irq_event_percpu) from [<c0044844>] (handle_irq_event+0x28/0x38)
[ 1773.959848] [<c0044844>] (handle_irq_event) from [<c0046d98>] (handle_level_irq+0x88/0x104)
[ 1773.968243] [<c0046d98>] (handle_level_irq) from [<c0043f80>] (generic_handle_irq+0x28/0x3c)
[ 1773.976720] [<c0043f80>] (generic_handle_irq) from [<c00441a0>] (__handle_domain_irq+0x48/0xa8)
[ 1773.985473] [<c00441a0>] (__handle_domain_irq) from [<c0013380>] (__irq_svc+0x40/0x4c)
[ 1773.993443] [<c0013380>] (__irq_svc) from [<c027dd50>] (usb_hcd_unmap_urb_for_dma+0x6c/0x15c)
[ 1774.002009] [<c027dd50>] (usb_hcd_unmap_urb_for_dma) from [<c027de8c>] (__usb_hcd_giveback_urb+0x34/0xec)
[ 1774.011611] [<c027de8c>] (__usb_hcd_giveback_urb) from [<c027ead8>] (usb_giveback_urb_bh+0x88/0xcc)
[ 1774.020696] [<c027ead8>] (usb_giveback_urb_bh) from [<c001fc98>] (tasklet_action+0x74/0xd8)
[ 1774.029080] [<c001fc98>] (tasklet_action) from [<c001ff44>] (__do_softirq+0xe8/0x228)
[ 1774.036942] [<c001ff44>] (__do_softirq) from [<c00202fc>] (irq_exit+0xa0/0xf8)
[ 1774.044207] [<c00202fc>] (irq_exit) from [<c00441a8>] (__handle_domain_irq+0x50/0xa8)
[ 1774.052092] [<c00441a8>] (__handle_domain_irq) from [<c0013380>] (__irq_svc+0x40/0x4c)
[ 1774.060056] [<c0013380>] (__irq_svc) from [<c01b8d50>] (lockref_get+0x4/0x10)
[ 1774.067243] [<c01b8d50>] (lockref_get) from [<c00c14a4>] (d_find_any_alias+0x1c/0x28)
[ 1774.075123] [<c00c14a4>] (d_find_any_alias) from [<c0103754>] (kernfs_notify_workfn+0xd8/0x188)
[ 1774.083880] [<c0103754>] (kernfs_notify_workfn) from [<c002efa4>] (process_one_work+0x114/0x324)
[ 1774.092708] [<c002efa4>] (process_one_work) from [<c002f20c>] (worker_thread+0x58/0x4c4)
[ 1774.100839] [<c002f20c>] (worker_thread) from [<c0033a60>] (kthread+0xc0/0xdc)
[ 1774.108104] [<c0033a60>] (kthread) from [<c000f960>] (ret_from_fork+0x14/0x34)
