[ 58.327290] usb 3-1: new full-speed USB device number 4 using ohci_hcd [ 58.492404] usb 3-1: New USB device found, idVendor=0d8c, idProduct=000c [ 58.492414] usb 3-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ 58.492419] usb 3-1: Product: Generic USB Audio Device [ 58.586904] hidraw: raw HID events driver (C) Jiri Kosina [ 58.602443] usbcore: registered new interface driver usbhid [ 58.602452] usbhid: USB HID core driver [ 58.623861] input: Generic USB Audio Device as /devices/pci0000:00/0000:00:12.0/usb3/3-1/3-1:1.3/input/input12 [ 58.624290] hid-generic 0003:0D8C:000C.0001: input,hidraw0: USB HID v1.00 Device [Generic USB Audio Device ] on usb-0000:00:12.0-1/input3 [ 58.769073] usbcore: registered new interface driver snd-usb-audio [ 58.942856] ohci_hcd 0000:00:12.0: Alan start: bus 3 dev 4 ep 2in [ 70.497025] ------------[ cut here ]------------ [ 70.497036] WARNING: at /tmp/kern/ubuntu-saucy/kernel/watchdog.c:245 watchdog_overflow_callback+0x9c/0xd0() [ 70.497040] Watchdog detected hard LOCKUP on cpu 0 [ 70.497043] Modules linked in: hid_generic usbhid snd_usb_audio hid snd_usbmidi_lib pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_hda_codec_conexant btusb joydev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm thinkpad_acpi nvram snd_page_alloc arc4 snd_seq_midi snd_seq_midi_event kvm_amd kvm snd_rawmidi microcode ath9k ath9k_common snd_seq ath9k_hw radeon ath snd_seq_device ttm mac80211 snd_timer drm_kms_helper psmouse cfg80211 sp5100_tco snd rtsx_pci_ms serio_raw drm k10temp memstick i2c_algo_bit i2c_piix4 soundcore parport_pc ppdev rfcomm bnep bluetooth video wmi binfmt_misc mac_hid lp parport rtsx_pci_sdmmc ahci libahci rtsx_pci atl1c [ 70.497129] CPU: 0 PID: 0 Comm: swapper/0 Tainted: GF O 3.10.0-2-generic #9 [ 70.497132] Hardware name: LENOVO 30515QG/30515QG, BIOS 8RET52WW (1.15 ) 11/15/2011 [ 70.497136] 0000000000000009 ffff88011ec07c88 ffffffff816e8d4c ffff88011ec07cc0 [ 70.497143] ffffffff81056d60 ffff88011a80e400 0000000000000000 ffff88011ec07dc0 [ 70.497148] 0000000000000000 ffff88011ec07ef8 ffff88011ec07d20 ffffffff81056e4c [ 70.497154] Call Trace: [ 70.497157] [] dump_stack+0x19/0x1b [ 70.497170] [] warn_slowpath_common+0x70/0xa0 [ 70.497175] [] warn_slowpath_fmt+0x4c/0x50 [ 70.497182] [] ? sched_clock+0x9/0x10 [ 70.497187] [] ? touch_nmi_watchdog+0x80/0x80 [ 70.497192] [] watchdog_overflow_callback+0x9c/0xd0 [ 70.497198] [] __perf_event_overflow+0x9d/0x230 [ 70.497203] [] ? perf_event_update_userpage+0x24/0x120 [ 70.497208] [] perf_event_overflow+0x14/0x20 [ 70.497213] [] x86_pmu_handle_irq+0x11a/0x170 [ 70.497220] [] perf_event_nmi_handler+0x1d/0x20 [ 70.497224] [] nmi_handle.isra.0+0x59/0x90 [ 70.497229] [] do_nmi+0xe0/0x360 [ 70.497234] [] end_repeat_nmi+0x1e/0x2e [ 70.497241] [] ? __ticket_spin_lock+0x22/0x30 [ 70.497247] [] ? __ticket_spin_lock+0x22/0x30 [ 70.497252] [] ? __ticket_spin_lock+0x22/0x30 [ 70.497255] <> [] default_spin_lock_flags+0x9/0x10 [ 70.497265] [] _raw_spin_lock_irqsave+0x2e/0x40 [ 70.497272] [] alan_hrtimer_func+0x2e/0x1d0 [ 70.497277] [] takeback_td+0x1c1/0x210 [ 70.497283] [] dl_done_list+0xe3/0x1c0 [ 70.497288] [] ohci_irq+0x103/0x380 [ 70.497295] [] ? add_interrupt_randomness+0x41/0x1d0 [ 70.497300] [] usb_hcd_irq+0x38/0x60 [ 70.497305] [] handle_irq_event_percpu+0x54/0x1f0 [ 70.497310] [] handle_irq_event+0x4e/0x80 [ 70.497316] [] handle_fasteoi_irq+0x5a/0x100 [ 70.497322] [] handle_irq+0x1e/0x30 [ 70.497327] [] do_IRQ+0x5a/0xe0 [ 70.497332] [] common_interrupt+0x6d/0x6d [ 70.497334] [] ? sched_clock+0x9/0x10 [ 70.497344] [] ? cpuidle_enter_state+0x66/0xf0 [ 70.497349] [] cpuidle_idle_call+0xb9/0x200 [ 70.497355] [] arch_cpu_idle+0xe/0x30 [ 70.497361] [] cpu_startup_entry+0xd0/0x260 [ 70.497367] [] rest_init+0x77/0x80 [ 70.497374] [] start_kernel+0x40f/0x41a [ 70.497379] [] ? do_early_param+0x8e/0x8e [ 70.497385] [] x86_64_start_reservations+0x2a/0x2c [ 70.497390] [] x86_64_start_kernel+0xf1/0x100 [ 70.497394] ---[ end trace 5ad77936a7bc792c ]---