!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Jun 23 14:52:37 UTC 2016 !!Linux Distribution !!------------------ Ubuntu 14.04.4 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 14.04.4 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 14.04.4 LTS" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/" !!DMI Information !!--------------- Manufacturer: HP Product Name: HP 240 G4 Notebook PC Product Version: Type1ProductConfigId Firmware Version: F.1A !!Kernel Information !!------------------ Kernel release: 3.13.0-89-generic Operating System: GNU/Linux Architecture: i686 Processor: i686 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k3.13.0-89-generic Library version: 1.0.27.2 Utilities version: 1.0.27.2 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- --- no soundcards --- !!PCI Soundcards installed in the system !!-------------------------------------- 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- 00:1f.3 0403: 8086:9d70 (rev 21) Subsystem: 103c:8131 !!Modprobe options (Sound related) !!-------------------------------- snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 !!Loaded sound module options !!--------------------------- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 1 Jun 23 20:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jun 23 20:17 /dev/snd/timer !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:268: no soundcards found... ARECORD arecord: device_list:268: no soundcards found... !!Amixer output !!------------- !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit hp_wmi sparse_keymap x86_pkg_temp_thermal coretemp kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd parport_pc wl ppdev joydev cfg80211 serio_raw lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci !!ALSA/HDA dmesg !!-------------- [ 16.541279] kvm: disabled by bios [ 16.615861] snd_hda_intel 0000:00:1f.3: Probing card using HDA DKMS, version 0.201606200501~ubuntu14.04.1 [ 16.631250] [drm] Initialized drm 1.1.0 20060810 -- [ 16.656049] WARNING: CPU: 2 PID: 38 at /build/linux-LzD_mK/linux-3.13.0/drivers/gpu/drm/i915/intel_pm.c:5851 i915_request_power_well 0x6d/0x70 [i915]() [ 16.656051] Modules linked in: i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi( ) sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm_intel(-) kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [ 16.656088] CPU: 2 PID: 38 Comm: kworker/2:1 Tainted: P OX 3.13.0-89-generic #136-Ubuntu [ 16.656090] Hardware name: HP HP 240 G4 Notebook PC/8131, BIOS F.1A 10/19/2015 [ 16.656094] Workqueue: events azx_probe_work [snd_hda_intel] [ 16.656097] 00000286 00000286 ef46be38 c165d3ed 00000000 f9046eb8 ef46be68 c105794e -- [ 16.656182] [] i915_request_power_well 0x6d/0x70 [i915] [ 16.656185] [] hda_display_power 0x3e/0x80 [snd_hda_intel] [ 16.656188] [] snd_hdac_display_power.isra.9 0x1e/0x30 [snd_hda_intel] [ 16.656191] [] azx_probe_continue 0x90/0x890 [snd_hda_intel] [ 16.656194] [] ? __schedule 0x35a/0x7a0 [ 16.656198] [] ? free_tty_struct 0x33/0x40 [ 16.656200] [] azx_probe_work 0x12/0x20 [snd_hda_intel] [ 16.656203] [] process_one_work 0x11a/0x3c0 -- [ 16.656219] ---[ end trace bab15e0326d08b7d ]--- [ 16.656252] snd_hda_intel 0000:00:1f.3: irq 139 for MSI/MSI-X [ 16.738171] Linux video capture interface: v2.00 -- [ 16.751725] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 16.757468] snd_hda_intel 0000:00:1f.3: CORB reset timeout#1, CORBRP = 0 [ 16.757525] snd_hda_intel 0000:00:1f.3: no codecs found! [ 16.757559] ------------[ cut here ]------------ -- [ 16.757621] uvcvideo: Found UVC 1.00 device HP Truevision HD (05c8:0382) [ 16.757585] Modules linked in: uvcvideo( ) videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi( ) sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [ 16.757630] CPU: 2 PID: 38 Comm: kworker/2:1 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu [ 16.757632] Hardware name: HP HP 240 G4 Notebook PC/8131, BIOS F.1A 10/19/2015 [ 16.757638] Workqueue: events azx_probe_work [snd_hda_intel] [ 16.757640] 00000286 00000286 ef46be3c c165d3ed 00000000 f9046eb8 ef46be6c c105794e -- [ 16.757717] [] i915_release_power_well 0x4d/0x50 [i915] [ 16.757722] [] hda_display_power 0x34/0x80 [snd_hda_intel] [ 16.757727] [] ? dev_err 0x2d/0x30 [ 16.757730] [] snd_hdac_display_power.isra.9 0x1e/0x30 [snd_hda_intel] [ 16.757733] [] azx_probe_continue 0x659/0x890 [snd_hda_intel] [ 16.757737] [] ? free_tty_struct 0x33/0x40 [ 16.757740] [] azx_probe_work 0x12/0x20 [snd_hda_intel] [ 16.757743] [] process_one_work 0x11a/0x3c0 -- [ 77.857233] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out [ 77.857235] Modules linked in: bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [ 77.857273] CPU: 2 PID: 0 Comm: swapper/2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [ 8253.274921] WARNING: CPU: 3 PID: 368 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [ 8253.274953] Modules linked in: bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [ 8253.274956] CPU: 3 PID: 368 Comm: kworker/u17:1 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [ 9223.875989] WARNING: CPU: 3 PID: 4842 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [ 9223.876049] Modules linked in: bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [ 9223.876052] CPU: 3 PID: 4842 Comm: kworker/u17:0 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [17628.720305] WARNING: CPU: 0 PID: 15156 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [17628.720331] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [17628.720334] CPU: 0 PID: 15156 Comm: kworker/u17:1 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [19636.955383] WARNING: CPU: 0 PID: 15156 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [19636.955409] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [19636.955412] CPU: 0 PID: 15156 Comm: kworker/u17:1 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [27502.078115] WARNING: CPU: 3 PID: 15156 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [27502.078147] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [27502.078150] CPU: 3 PID: 15156 Comm: kworker/u17:1 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [32528.665225] WARNING: CPU: 1 PID: 24824 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [32528.665251] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [32528.665253] CPU: 1 PID: 24824 Comm: kworker/u17:2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [36634.061305] WARNING: CPU: 1 PID: 24824 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [36634.061331] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [36634.061333] CPU: 1 PID: 24824 Comm: kworker/u17:2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [44719.915788] WARNING: CPU: 3 PID: 31873 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [44719.915821] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [44719.915824] CPU: 3 PID: 31873 Comm: kworker/u17:1 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [50066.232287] WARNING: CPU: 0 PID: 24824 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [50066.232326] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [50066.232329] CPU: 0 PID: 24824 Comm: kworker/u17:2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [57033.388256] WARNING: CPU: 3 PID: 24824 at /build/linux-LzD_mK/linux-3.13.0/drivers/base/firmware_class.c:1094 _request_firmware 0x49e/0xa70() [57033.388320] Modules linked in: hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm hp_wmi sparse_keymap snd_page_alloc snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal coretemp snd_rawmidi kvm snd_seq crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd snd_seq_device snd_timer parport_pc snd wl(POX) ppdev joydev cfg80211 serio_raw soundcore lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [57033.388323] CPU: 3 PID: 24824 Comm: kworker/u17:2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu -- [65711.311482] systemd-hostnamed[29877]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname! [66061.677317] snd_hda_intel 0000:00:1f.3: Probing card using HDA DKMS, version 0.201606230502~ubuntu14.04.1 [66061.677462] ------------[ cut here ]------------ [66061.677481] WARNING: CPU: 0 PID: 23499 at /build/linux-LzD_mK/linux-3.13.0/drivers/gpu/drm/i915/intel_pm.c:5851 i915_request_power_well 0x6d/0x70 [i915]() [66061.677483] Modules linked in: snd_hda_intel(OX ) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit hp_wmi sparse_keymap x86_pkg_temp_thermal coretemp kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd parport_pc wl(POX) ppdev joydev cfg80211 serio_raw lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [last unloaded: soundcore] [66061.677512] CPU: 0 PID: 23499 Comm: kworker/0:2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu [66061.677514] Hardware name: HP HP 240 G4 Notebook PC/8131, BIOS F.1A 10/19/2015 [66061.677518] Workqueue: events azx_probe_work [snd_hda_intel] [66061.677520] 00000286 00000286 d90f7e38 c165d3ed 00000000 f9046eb8 d90f7e68 c105794e -- [66061.677584] [] i915_request_power_well 0x6d/0x70 [i915] [66061.677588] [] hda_display_power 0x3e/0x80 [snd_hda_intel] [66061.677591] [] snd_hdac_display_power.isra.9 0x1e/0x30 [snd_hda_intel] [66061.677595] [] azx_probe_continue 0x90/0x890 [snd_hda_intel] [66061.677598] [] ? __schedule 0x35a/0x7a0 [66061.677601] [] ? gov_queue_work 0x5c/0xa0 [66061.677604] [] azx_probe_work 0x12/0x20 [snd_hda_intel] [66061.677607] [] process_one_work 0x11a/0x3c0 -- [66061.677624] ---[ end trace bab15e0326d08b8a ]--- [66061.677653] snd_hda_intel 0000:00:1f.3: irq 139 for MSI/MSI-X [66061.779250] snd_hda_intel 0000:00:1f.3: CORB reset timeout#1, CORBRP = 0 [66061.779265] snd_hda_intel 0000:00:1f.3: no codecs found! [66061.779284] ------------[ cut here ]------------ [66061.779323] WARNING: CPU: 0 PID: 23499 at /build/linux-LzD_mK/linux-3.13.0/drivers/gpu/drm/i915/intel_pm.c:5868 i915_release_power_well 0x4d/0x50 [i915]() [66061.779328] Modules linked in: snd_hda_intel(OX) snd_hda_codec(OX) snd_hda_core(OX) snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore hid_generic usbhid hid bnep rfcomm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_core bluetooth videodev i915 drm_kms_helper drm i2c_algo_bit hp_wmi sparse_keymap x86_pkg_temp_thermal coretemp kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd parport_pc wl(POX) ppdev joydev cfg80211 serio_raw lp parport shpchp wmi video hp_wireless acpi_pad mac_hid r8169 psmouse ahci mii libahci [last unloaded: soundcore] [66061.779367] CPU: 0 PID: 23499 Comm: kworker/0:2 Tainted: P W OX 3.13.0-89-generic #136-Ubuntu [66061.779369] Hardware name: HP HP 240 G4 Notebook PC/8131, BIOS F.1A 10/19/2015 [66061.779373] Workqueue: events azx_probe_work [snd_hda_intel] [66061.779378] 00000286 00000286 d90f7e3c c165d3ed 00000000 f9046eb8 d90f7e6c c105794e -- [66061.779461] [] i915_release_power_well 0x4d/0x50 [i915] [66061.779465] [] hda_display_power 0x34/0x80 [snd_hda_intel] [66061.779468] [] ? dev_err 0x2d/0x30 [66061.779472] [] snd_hdac_display_power.isra.9 0x1e/0x30 [snd_hda_intel] [66061.779475] [] azx_probe_continue 0x659/0x890 [snd_hda_intel] [66061.779478] [] ? gov_queue_work 0x5c/0xa0 [66061.779482] [] azx_probe_work 0x12/0x20 [snd_hda_intel] [66061.779499] [] process_one_work 0x11a/0x3c0