!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Mon Apr 8 00:23:29 UTC 2019 !!Linux Distribution !!------------------ Ubuntu 18.04.2 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.2 LTS" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=bionic !!DMI Information !!--------------- Manufacturer: Dell Inc. Product Name: Dell System XPS L502X Product Version: Firmware Version: A07 Board Vendor: Dell Inc. Board Name: 0YR8NN !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/DLL04B6:00/status 15 /sys/bus/acpi/devices/INT340E:00/status 15 /sys/bus/acpi/devices/INT3F0D:00/status 15 /sys/bus/acpi/devices/LNXVIDEO:00/status 15 /sys/bus/acpi/devices/LNXVIDEO:01/status 15 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0303:00/status 15 /sys/bus/acpi/devices/PNP0C0A:00/status 15 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/SMO8800:00/status 15 !!Kernel Information !!------------------ Kernel release: 4.15.0-47-generic Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.15.0-47-generic Library version: 1.1.3 Utilities version: 1.1.3 !!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 !!-------------------------------------- 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- 00:1b.0 0403: 8086:1c20 (rev 05) Subsystem: 1028:04b6 !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 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 Apr 7 19:07 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 7 19:07 /dev/snd/timer !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:270: no soundcards found... ARECORD arecord: device_list:270: no soundcards found... !!Amixer output !!------------- !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm ccm bnep binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops intel_rapl videobuf2_v4l2 videobuf2_core videodev media x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel arc4 kvm iwldvm mac80211 irqbypass dell_laptop crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc dell_wmi sparse_keymap aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate intel_rapl_perf snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi joydev dell_smbios dcdbas input_leds serio_raw dell_wmi_descriptor wmi_bmof iwlwifi snd_seq btusb btrtl btbcm btintel bluetooth snd_seq_device snd_timer ecdh_generic cfg80211 snd lpc_ich soundcore mei_me shpchp mei sch_fq_codel mac_hid dell_smo8800 parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid hid nouveau i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper r8169 syscopyarea psmouse mii ahci sysfillrect sysimgblt libahci fb_sys_fops drm wmi video !!ALSA/HDA dmesg !!-------------- [ 0.045274] ACPI: Added _OSI(Linux-Dell-Video) [ 0.045274] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.045274] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) -- [ 11.506363] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2) [ 11.535529] snd_hda_core: loading out-of-tree module taints kernel. [ 11.535603] snd_hda_core: module verification failed: signature and/or required key missing - tainting kernel [ 11.540882] snd_hda_intel 0000:00:1b.0: Probing card using HDA DKMS, version 0.201904021317~ubuntu18.04.1 [ 11.541152] BUG: unable to handle kernel paging request at ffffffffffffff30 [ 11.541214] IP: snd_dma_alloc_pages 0x40/0x1e0 [snd_pcm] [ 11.541249] PGD b920e067 P4D b920e067 PUD b9210067 PMD 0 [ 11.541288] Oops: 0002 [#1] SMP PTI [ 11.541313] Modules linked in: snd_hda_intel(OE ) snd_hda_codec(OE) snd_hda_core(OE) snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi joydev dell_smbios dcdbas input_leds serio_raw dell_wmi_descriptor wmi_bmof iwlwifi snd_seq btusb btrtl btbcm btintel bluetooth snd_seq_device snd_timer ecdh_generic cfg80211 snd lpc_ich soundcore mei_me shpchp mei sch_fq_codel mac_hid dell_smo8800 parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid hid nouveau i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper r8169 syscopyarea psmouse mii ahci sysfillrect sysimgblt libahci fb_sys_fops drm wmi video [ 11.541638] CPU: 0 PID: 35 Comm: kworker/0:1 Tainted: G OE 4.15.0-47-generic #50-Ubuntu [ 11.541672] Hardware name: Dell Inc. Dell System XPS L502X/0YR8NN, BIOS A07 10/20/2011 [ 11.541709] Workqueue: events azx_probe_work [snd_hda_intel] [ 11.541735] RIP: 0010:snd_dma_alloc_pages 0x40/0x1e0 [snd_pcm] [ 11.541758] RSP: 0018:ffffafe2c07bfd88 EFLAGS: 00010246 -- [ 11.542139] ? _cond_resched 0x19/0x40 [ 11.542169] dma_alloc_pages 0x15/0x20 [snd_hda_intel] [ 11.542209] snd_hdac_bus_alloc_stream_pages 0x6e/0x130 [snd_hda_core] [ 11.542254] azx_probe_continue 0x325/0xa10 [snd_hda_intel] [ 11.542293] azx_probe_work 0x15/0x20 [snd_hda_intel] [ 11.542328] process_one_work 0x1de/0x410 -- [ 11.542497] Code: 48 83 ec 18 65 48 8b 14 25 28 00 00 00 48 89 55 d0 31 d2 4d 85 e4 0f 84 4d 01 00 00 48 85 c9 48 89 cb 0f 84 4a 01 00 00 83 ff 02 <89> 39 48 89 f0 48 89 73 08 48 c7 41 20 00 00 00 00 0f 84 0c 01 [ 11.542645] RIP: snd_dma_alloc_pages 0x40/0x1e0 [snd_pcm] RSP: ffffafe2c07bfd88 [ 11.542685] CR2: ffffffffffffff30