apport information ** Tags added: apport-collected
** Description changed: Laptop : Dell XPS 2020 9300 Pre-loaded with Ubuntu 18.04 LTS Latest BIOS, latest available kernel, all updates applied linux kernel 5.0.0-1059-oem-osp1 After I log to Gnome, the kern.log fills itself with lines reporting this : Jun 24 14:46:22 asgard kernel: [ 158.134245] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x2063b000 One per second. This lasts 10 to 15 seconds. Then, I see some lines but I do not know if they are related to this : Jun 24 14:47:08 asgard kernel: [ 203.874519] ACPI Error: AE_AML_PACKAGE_LIMIT, Index (0x00000003D) is beyond end of object (length 0x10) (20181213/exoparg2-396) Jun 24 14:47:08 asgard kernel: [ 203.874538] No Local Variables are initialized for Method [GINF] Jun 24 14:47:08 asgard kernel: [ 203.874539] Initialized Arguments for Method [GINF]: (2 arguments defined for method invocation) Jun 24 14:47:08 asgard kernel: [ 203.874540] Arg0: 0000000069cda4c2 <Obj> Integer 000000000000003D Jun 24 14:47:08 asgard kernel: [ 203.874543] Arg1: 00000000806e1ac9 <Obj> Integer 0000000000000000 Jun 24 14:47:08 asgard kernel: [ 203.874546] ACPI Error: Method parse/execution failed \_SB.GINF, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874550] ACPI Error: Method parse/execution failed \_SB.GADR, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874553] ACPI Error: Method parse/execution failed \_SB.SGOV, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874556] ACPI Error: Method parse/execution failed \_SB.CGWR, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874559] ACPI Error: Method parse/execution failed \_SB.TBFP, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874562] ACPI Error: Method parse/execution failed \_SB.WMTF.WMTF, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:09 asgard kernel: [ 204.515539] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20278103 Jun 24 14:47:09 asgard kernel: [ 204.515545] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f8100. -11 Then it scrolls very quickly and I get a huge amount of "hsw_power_well_enable" No idea if this is related to the messages with the sound card. Those "hsw_power_well_enable" things are also/maybe/no idea related to another reported bug : https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878670 Jun 24 14:47:09 asgard kernel: [ 205.219410] ------------[ cut here ]------------ Jun 24 14:47:09 asgard kernel: [ 205.219413] WARN_ON(intel_wait_for_register(dev_priv, regs->driver, (0x1 << ((pw_idx) * 2)), (0x1 << ((pw_idx) * 2)), 1)) Jun 24 14:47:09 asgard kernel: [ 205.219489] WARNING: CPU: 6 PID: 2794 at /build/linux-oem-osp1-cysXhs/linux-oem-osp1-5.0.0/drivers/gpu/drm/i915/intel_runtime_pm.c:308 hsw_wait_for_power_well_enable.isra.8+0x4c/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219489] Modules linked in: ccm cmac bnep uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btusb videobuf2_common btrtl btbcm btintel videodev bluetooth media ecdh_generic hid_multitouch 8250_dw snd_hda_codec_hdmi dell_laptop arc4 intel_rapl x86_pkg_temp_thermal sof_pci_dev nls_iso8859_1 intel_powerclamp snd_sof_intel_hda_common coretemp snd_soc_hdac_hda snd_sof_intel_hda snd_sof_xtensa_dsp kvm_intel snd_sof snd_hda_codec_realtek snd_hda_ext_core snd_hda_codec_generic snd_soc_acpi_intel_match ledtrig_audio snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_nhlt snd_hda_codec snd_hda_core crct10dif_pclmul snd_hwdep crc32_pclmul ghash_clmulni_intel snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq aesni_intel dell_wmi dell_smbios iwlmvm aes_x86_64 crypto_simd cryptd glue_helper intel_cstate input_leds joydev dcdbas snd_seq_device intel_rapl_perf snd_timer mac80211 serio_raw wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor Jun 24 14:47:09 asgard kernel: [ 205.219508] iwlwifi snd soundcore hid_sensor_als hid_sensor_trigger rtsx_pci_ms industrialio_triggered_buffer kfifo_buf mei_me hid_sensor_iio_common idma64 virt_dma cfg80211 memstick mei industrialio intel_lpss_pci intel_lpss ucsi_acpi typec_ucsi typec int3403_thermal int340x_thermal_zone mac_hid acpi_pad intel_hid int3400_thermal sparse_keymap acpi_tad acpi_thermal_rel sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor mmc_block raid6_pq libcrc32c raid1 raid0 multipath linear usbhid hid_sensor_hub hid_generic intel_ishtp_hid i915 kvmgt vfio_mdev mdev vfio_iommu_type1 rtsx_pci_sdmmc vfio kvm psmouse irqbypass i2c_algo_bit drm_kms_helper syscopyarea nvme sysfillrect sysimgblt fb_sys_fops drm nvme_core rtsx_pci intel_ish_ipc thunderbolt intel_ishtp wmi i2c_hid hid video pinctrl_icelake pinctrl_intel Jun 24 14:47:09 asgard kernel: [ 205.219532] CPU: 6 PID: 2794 Comm: fwupd Tainted: G W 5.0.0-1059-oem-osp1 #64-Ubuntu Jun 24 14:47:09 asgard kernel: [ 205.219533] Hardware name: Dell Inc. XPS 13 9300/077Y9N, BIOS 1.0.11 05/08/2020 Jun 24 14:47:09 asgard kernel: [ 205.219553] RIP: 0010:hsw_wait_for_power_well_enable.isra.8+0x4c/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219555] Code: 01 c9 8b 70 04 6a 00 d3 e2 89 d1 e8 3e 86 04 00 85 c0 5a 75 02 c9 c3 48 c7 c6 98 02 5a c0 48 c7 c7 55 fd 58 c0 e8 44 5d 82 ed <0f> 0b c9 c3 0f 1f 44 00 00 55 ba 01 00 00 00 48 89 e5 41 57 41 56 Jun 24 14:47:09 asgard kernel: [ 205.219556] RSP: 0018:ffffc232443c7aa0 EFLAGS: 00010286 Jun 24 14:47:09 asgard kernel: [ 205.219557] RAX: 0000000000000000 RBX: ffff9fa6afb38000 RCX: 0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219558] RDX: 000000000000006d RSI: ffffffffaf76692d RDI: 0000000000000246 Jun 24 14:47:09 asgard kernel: [ 205.219559] RBP: ffffc232443c7aa0 R08: 0000000000000000 R09: ffffffffaf7668c0 Jun 24 14:47:09 asgard kernel: [ 205.219559] R10: ffffc232419abd68 R11: 0000000000000001 R12: 0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219560] R13: 0000000000000005 R14: ffff9fa6af6b3100 R15: ffffffffc0571240 Jun 24 14:47:09 asgard kernel: [ 205.219561] FS: 00007fb5cca0e5c0(0000) GS:ffff9fa6bf780000(0000) knlGS:0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 24 14:47:09 asgard kernel: [ 205.219563] CR2: 00007fed9001f488 CR3: 00000003e02d8003 CR4: 0000000000760ee0 Jun 24 14:47:09 asgard kernel: [ 205.219563] PKRU: 55555554 Jun 24 14:47:09 asgard kernel: [ 205.219564] Call Trace: Jun 24 14:47:09 asgard kernel: [ 205.219584] hsw_power_well_enable+0xaf/0x1d0 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219603] icl_tc_phy_aux_power_well_enable+0x7f/0x90 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219620] intel_power_well_enable+0x3f/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219637] __intel_display_power_get_domain+0x75/0x90 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219655] intel_display_power_get+0x33/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219687] pps_lock+0x23/0x40 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219710] intel_dp_aux_xfer+0x8b/0x680 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219714] ? chrdev_open+0xc4/0x1b0 Jun 24 14:47:09 asgard kernel: [ 205.219735] intel_dp_aux_transfer+0xaf/0x240 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219737] ? unlazy_walk+0x3b/0xb0 Jun 24 14:47:09 asgard kernel: [ 205.219743] drm_dp_dpcd_access+0x75/0x110 [drm_kms_helper] Jun 24 14:47:09 asgard kernel: [ 205.219747] drm_dp_dpcd_read+0x33/0xc0 [drm_kms_helper] Jun 24 14:47:09 asgard kernel: [ 205.219752] auxdev_read_iter+0x10f/0x1d0 [drm_kms_helper] Jun 24 14:47:09 asgard kernel: [ 205.219755] new_sync_read+0x109/0x170 Jun 24 14:47:09 asgard kernel: [ 205.219756] __vfs_read+0x29/0x40 Jun 24 14:47:09 asgard kernel: [ 205.219757] vfs_read+0x8e/0x130 Jun 24 14:47:09 asgard kernel: [ 205.219758] ksys_read+0x5c/0xe0 Jun 24 14:47:09 asgard kernel: [ 205.219759] __x64_sys_read+0x1a/0x20 Jun 24 14:47:09 asgard kernel: [ 205.219762] do_syscall_64+0x5a/0x120 Jun 24 14:47:09 asgard kernel: [ 205.219765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Jun 24 14:47:09 asgard kernel: [ 205.219766] RIP: 0033:0x7fb5ca0fd384 Jun 24 14:47:09 asgard kernel: [ 205.219767] Code: 84 00 00 00 00 00 41 54 55 49 89 d4 53 48 89 f5 89 fb 48 83 ec 10 e8 8b fc ff ff 4c 89 e2 41 89 c0 48 89 ee 89 df 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 48 89 44 24 08 e8 c7 fc ff ff 48 Jun 24 14:47:09 asgard kernel: [ 205.219768] RSP: 002b:00007ffcdea80b60 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219769] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00007fb5ca0fd384 Jun 24 14:47:09 asgard kernel: [ 205.219770] RDX: 0000000000000001 RSI: 00007ffcdea80bc4 RDI: 0000000000000013 Jun 24 14:47:09 asgard kernel: [ 205.219770] RBP: 00007ffcdea80bc4 R08: 0000000000000000 R09: 00005577de51a010 Jun 24 14:47:09 asgard kernel: [ 205.219771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 Jun 24 14:47:09 asgard kernel: [ 205.219771] R13: 00007ffcdea80c30 R14: 00007ffcdea80bc4 R15: 00005577de646960 Jun 24 14:47:09 asgard kernel: [ 205.219773] ---[ end trace f3864d89d13cbfe9 ]--- Jun 24 14:47:09 asgard kernel: [ 205.241918] ------------[ cut here ]------------ After a dozen or so of those [ cut here ] blocks, the sound card seems to be willing to work. The sound icon then appears and I get sound and can control it. This on a er... "certified" Ubuntu machine pre-loaded :) Doesn't seem like Dell cares about checking logs when certifying. - Well, if there's a way to have this fixed or if you need more - information ? + Well, if there's a way to have this fixed or if you need more information ? + --- + ProblemType: Bug + ApportVersion: 2.20.9-0ubuntu7.15 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: gilbert 2305 F.... pulseaudio + CurrentDesktop: ubuntu:GNOME + DistributionChannelDescriptor: + # This is the distribution channel descriptor for the OEM CDs + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1+X00 + DistroRelease: Ubuntu 18.04 + InstallationDate: Installed on 2020-04-29 (72 days ago) + InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20190418-12:10 + MachineType: Dell Inc. XPS 13 9300 + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-1063-oem-osp1 root=UUID=5a3fd3ad-1ee6-42e6-a156-083b1afa390b ro quiet splash mem_sleep_default=deep noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off tsx=on tsx_async_abort=off mitigations=off vt.handoff=1 + ProcVersionSignature: Ubuntu 5.0.0-1063.68-oem-osp1 5.0.21 + RelatedPackageVersions: + linux-restricted-modules-5.0.0-1063-oem-osp1 N/A + linux-backports-modules-5.0.0-1063-oem-osp1 N/A + linux-firmware 1.173.19 + Tags: bionic + Uname: Linux 5.0.0-1063-oem-osp1 x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip kvm lpadmin plugdev sambashare sudo wireshark + _MarkForUpload: True + dmi.bios.date: 05/08/2020 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: 1.0.11 + dmi.board.name: 077Y9N + dmi.board.vendor: Dell Inc. + dmi.board.version: A00 + dmi.chassis.type: 10 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvr1.0.11:bd05/08/2020:svnDellInc.:pnXPS139300:pvr:rvnDellInc.:rn077Y9N:rvrA00:cvnDellInc.:ct10:cvr: + dmi.product.family: XPS + dmi.product.name: XPS 13 9300 + dmi.product.sku: 096D + dmi.sys.vendor: Dell Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1884940/+attachment/5391496/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1884940 Title: after login to gnome, kern.log slowly fills with snd_hda_intel 0000:00:1f.3: No response from codec Status in OEM Priority Project: New Status in linux package in Ubuntu: Incomplete Bug description: Laptop : Dell XPS 2020 9300 Pre-loaded with Ubuntu 18.04 LTS Latest BIOS, latest available kernel, all updates applied linux kernel 5.0.0-1059-oem-osp1 After I log to Gnome, the kern.log fills itself with lines reporting this : Jun 24 14:46:22 asgard kernel: [ 158.134245] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x2063b000 One per second. This lasts 10 to 15 seconds. Then, I see some lines but I do not know if they are related to this : Jun 24 14:47:08 asgard kernel: [ 203.874519] ACPI Error: AE_AML_PACKAGE_LIMIT, Index (0x00000003D) is beyond end of object (length 0x10) (20181213/exoparg2-396) Jun 24 14:47:08 asgard kernel: [ 203.874538] No Local Variables are initialized for Method [GINF] Jun 24 14:47:08 asgard kernel: [ 203.874539] Initialized Arguments for Method [GINF]: (2 arguments defined for method invocation) Jun 24 14:47:08 asgard kernel: [ 203.874540] Arg0: 0000000069cda4c2 <Obj> Integer 000000000000003D Jun 24 14:47:08 asgard kernel: [ 203.874543] Arg1: 00000000806e1ac9 <Obj> Integer 0000000000000000 Jun 24 14:47:08 asgard kernel: [ 203.874546] ACPI Error: Method parse/execution failed \_SB.GINF, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874550] ACPI Error: Method parse/execution failed \_SB.GADR, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874553] ACPI Error: Method parse/execution failed \_SB.SGOV, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874556] ACPI Error: Method parse/execution failed \_SB.CGWR, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874559] ACPI Error: Method parse/execution failed \_SB.TBFP, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:08 asgard kernel: [ 203.874562] ACPI Error: Method parse/execution failed \_SB.WMTF.WMTF, AE_AML_PACKAGE_LIMIT (20181213/psparse-531) Jun 24 14:47:09 asgard kernel: [ 204.515539] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20278103 Jun 24 14:47:09 asgard kernel: [ 204.515545] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f8100. -11 Then it scrolls very quickly and I get a huge amount of "hsw_power_well_enable" No idea if this is related to the messages with the sound card. Those "hsw_power_well_enable" things are also/maybe/no idea related to another reported bug : https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878670 Jun 24 14:47:09 asgard kernel: [ 205.219410] ------------[ cut here ]------------ Jun 24 14:47:09 asgard kernel: [ 205.219413] WARN_ON(intel_wait_for_register(dev_priv, regs->driver, (0x1 << ((pw_idx) * 2)), (0x1 << ((pw_idx) * 2)), 1)) Jun 24 14:47:09 asgard kernel: [ 205.219489] WARNING: CPU: 6 PID: 2794 at /build/linux-oem-osp1-cysXhs/linux-oem-osp1-5.0.0/drivers/gpu/drm/i915/intel_runtime_pm.c:308 hsw_wait_for_power_well_enable.isra.8+0x4c/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219489] Modules linked in: ccm cmac bnep uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btusb videobuf2_common btrtl btbcm btintel videodev bluetooth media ecdh_generic hid_multitouch 8250_dw snd_hda_codec_hdmi dell_laptop arc4 intel_rapl x86_pkg_temp_thermal sof_pci_dev nls_iso8859_1 intel_powerclamp snd_sof_intel_hda_common coretemp snd_soc_hdac_hda snd_sof_intel_hda snd_sof_xtensa_dsp kvm_intel snd_sof snd_hda_codec_realtek snd_hda_ext_core snd_hda_codec_generic snd_soc_acpi_intel_match ledtrig_audio snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_nhlt snd_hda_codec snd_hda_core crct10dif_pclmul snd_hwdep crc32_pclmul ghash_clmulni_intel snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq aesni_intel dell_wmi dell_smbios iwlmvm aes_x86_64 crypto_simd cryptd glue_helper intel_cstate input_leds joydev dcdbas snd_seq_device intel_rapl_perf snd_timer mac80211 serio_raw wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor Jun 24 14:47:09 asgard kernel: [ 205.219508] iwlwifi snd soundcore hid_sensor_als hid_sensor_trigger rtsx_pci_ms industrialio_triggered_buffer kfifo_buf mei_me hid_sensor_iio_common idma64 virt_dma cfg80211 memstick mei industrialio intel_lpss_pci intel_lpss ucsi_acpi typec_ucsi typec int3403_thermal int340x_thermal_zone mac_hid acpi_pad intel_hid int3400_thermal sparse_keymap acpi_tad acpi_thermal_rel sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor mmc_block raid6_pq libcrc32c raid1 raid0 multipath linear usbhid hid_sensor_hub hid_generic intel_ishtp_hid i915 kvmgt vfio_mdev mdev vfio_iommu_type1 rtsx_pci_sdmmc vfio kvm psmouse irqbypass i2c_algo_bit drm_kms_helper syscopyarea nvme sysfillrect sysimgblt fb_sys_fops drm nvme_core rtsx_pci intel_ish_ipc thunderbolt intel_ishtp wmi i2c_hid hid video pinctrl_icelake pinctrl_intel Jun 24 14:47:09 asgard kernel: [ 205.219532] CPU: 6 PID: 2794 Comm: fwupd Tainted: G W 5.0.0-1059-oem-osp1 #64-Ubuntu Jun 24 14:47:09 asgard kernel: [ 205.219533] Hardware name: Dell Inc. XPS 13 9300/077Y9N, BIOS 1.0.11 05/08/2020 Jun 24 14:47:09 asgard kernel: [ 205.219553] RIP: 0010:hsw_wait_for_power_well_enable.isra.8+0x4c/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219555] Code: 01 c9 8b 70 04 6a 00 d3 e2 89 d1 e8 3e 86 04 00 85 c0 5a 75 02 c9 c3 48 c7 c6 98 02 5a c0 48 c7 c7 55 fd 58 c0 e8 44 5d 82 ed <0f> 0b c9 c3 0f 1f 44 00 00 55 ba 01 00 00 00 48 89 e5 41 57 41 56 Jun 24 14:47:09 asgard kernel: [ 205.219556] RSP: 0018:ffffc232443c7aa0 EFLAGS: 00010286 Jun 24 14:47:09 asgard kernel: [ 205.219557] RAX: 0000000000000000 RBX: ffff9fa6afb38000 RCX: 0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219558] RDX: 000000000000006d RSI: ffffffffaf76692d RDI: 0000000000000246 Jun 24 14:47:09 asgard kernel: [ 205.219559] RBP: ffffc232443c7aa0 R08: 0000000000000000 R09: ffffffffaf7668c0 Jun 24 14:47:09 asgard kernel: [ 205.219559] R10: ffffc232419abd68 R11: 0000000000000001 R12: 0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219560] R13: 0000000000000005 R14: ffff9fa6af6b3100 R15: ffffffffc0571240 Jun 24 14:47:09 asgard kernel: [ 205.219561] FS: 00007fb5cca0e5c0(0000) GS:ffff9fa6bf780000(0000) knlGS:0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 24 14:47:09 asgard kernel: [ 205.219563] CR2: 00007fed9001f488 CR3: 00000003e02d8003 CR4: 0000000000760ee0 Jun 24 14:47:09 asgard kernel: [ 205.219563] PKRU: 55555554 Jun 24 14:47:09 asgard kernel: [ 205.219564] Call Trace: Jun 24 14:47:09 asgard kernel: [ 205.219584] hsw_power_well_enable+0xaf/0x1d0 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219603] icl_tc_phy_aux_power_well_enable+0x7f/0x90 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219620] intel_power_well_enable+0x3f/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219637] __intel_display_power_get_domain+0x75/0x90 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219655] intel_display_power_get+0x33/0x50 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219687] pps_lock+0x23/0x40 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219710] intel_dp_aux_xfer+0x8b/0x680 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219714] ? chrdev_open+0xc4/0x1b0 Jun 24 14:47:09 asgard kernel: [ 205.219735] intel_dp_aux_transfer+0xaf/0x240 [i915] Jun 24 14:47:09 asgard kernel: [ 205.219737] ? unlazy_walk+0x3b/0xb0 Jun 24 14:47:09 asgard kernel: [ 205.219743] drm_dp_dpcd_access+0x75/0x110 [drm_kms_helper] Jun 24 14:47:09 asgard kernel: [ 205.219747] drm_dp_dpcd_read+0x33/0xc0 [drm_kms_helper] Jun 24 14:47:09 asgard kernel: [ 205.219752] auxdev_read_iter+0x10f/0x1d0 [drm_kms_helper] Jun 24 14:47:09 asgard kernel: [ 205.219755] new_sync_read+0x109/0x170 Jun 24 14:47:09 asgard kernel: [ 205.219756] __vfs_read+0x29/0x40 Jun 24 14:47:09 asgard kernel: [ 205.219757] vfs_read+0x8e/0x130 Jun 24 14:47:09 asgard kernel: [ 205.219758] ksys_read+0x5c/0xe0 Jun 24 14:47:09 asgard kernel: [ 205.219759] __x64_sys_read+0x1a/0x20 Jun 24 14:47:09 asgard kernel: [ 205.219762] do_syscall_64+0x5a/0x120 Jun 24 14:47:09 asgard kernel: [ 205.219765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Jun 24 14:47:09 asgard kernel: [ 205.219766] RIP: 0033:0x7fb5ca0fd384 Jun 24 14:47:09 asgard kernel: [ 205.219767] Code: 84 00 00 00 00 00 41 54 55 49 89 d4 53 48 89 f5 89 fb 48 83 ec 10 e8 8b fc ff ff 4c 89 e2 41 89 c0 48 89 ee 89 df 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 48 89 44 24 08 e8 c7 fc ff ff 48 Jun 24 14:47:09 asgard kernel: [ 205.219768] RSP: 002b:00007ffcdea80b60 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 Jun 24 14:47:09 asgard kernel: [ 205.219769] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00007fb5ca0fd384 Jun 24 14:47:09 asgard kernel: [ 205.219770] RDX: 0000000000000001 RSI: 00007ffcdea80bc4 RDI: 0000000000000013 Jun 24 14:47:09 asgard kernel: [ 205.219770] RBP: 00007ffcdea80bc4 R08: 0000000000000000 R09: 00005577de51a010 Jun 24 14:47:09 asgard kernel: [ 205.219771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 Jun 24 14:47:09 asgard kernel: [ 205.219771] R13: 00007ffcdea80c30 R14: 00007ffcdea80bc4 R15: 00005577de646960 Jun 24 14:47:09 asgard kernel: [ 205.219773] ---[ end trace f3864d89d13cbfe9 ]--- Jun 24 14:47:09 asgard kernel: [ 205.241918] ------------[ cut here ]------------ After a dozen or so of those [ cut here ] blocks, the sound card seems to be willing to work. The sound icon then appears and I get sound and can control it. This on a er... "certified" Ubuntu machine pre-loaded :) Doesn't seem like Dell cares about checking logs when certifying. Well, if there's a way to have this fixed or if you need more information ? --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.15 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gilbert 2305 F.... pulseaudio CurrentDesktop: ubuntu:GNOME DistributionChannelDescriptor: # This is the distribution channel descriptor for the OEM CDs # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1+X00 DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2020-04-29 (72 days ago) InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20190418-12:10 MachineType: Dell Inc. XPS 13 9300 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-1063-oem-osp1 root=UUID=5a3fd3ad-1ee6-42e6-a156-083b1afa390b ro quiet splash mem_sleep_default=deep noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off tsx=on tsx_async_abort=off mitigations=off vt.handoff=1 ProcVersionSignature: Ubuntu 5.0.0-1063.68-oem-osp1 5.0.21 RelatedPackageVersions: linux-restricted-modules-5.0.0-1063-oem-osp1 N/A linux-backports-modules-5.0.0-1063-oem-osp1 N/A linux-firmware 1.173.19 Tags: bionic Uname: Linux 5.0.0-1063-oem-osp1 x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip kvm lpadmin plugdev sambashare sudo wireshark _MarkForUpload: True dmi.bios.date: 05/08/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.0.11 dmi.board.name: 077Y9N dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.0.11:bd05/08/2020:svnDellInc.:pnXPS139300:pvr:rvnDellInc.:rn077Y9N:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: XPS dmi.product.name: XPS 13 9300 dmi.product.sku: 096D dmi.sys.vendor: Dell Inc. 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