Public bug reported: After updating to ubuntu 18.04.5, kernel 5.4.0-56-generic, headphone sound doesn't work. In settings > sounds, headphone-sof-hda-dsp shows up, but I can't get output sound. The speakers works properly.
>>>> lspci -nnk 00:00.0 Host bridge [0600]: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers [8086:3ec4] (rev 07) Subsystem: Dell Device [1028:0949] Kernel driver in use: skl_uncore 00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) [8086:1901] (rev 07) Kernel driver in use: pcieport 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:3e9b] Subsystem: Dell Device [1028:0949] Kernel driver in use: i915 Kernel modules: i915 00:04.0 Signal processing controller [1180]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [8086:1903] (rev 07) Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [1028:0949] Kernel driver in use: proc_thermal Kernel modules: processor_thermal_device 00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [8086:1911] Subsystem: Dell Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [1028:0949] 00:12.0 Signal processing controller [1180]: Intel Corporation Cannon Lake PCH Thermal Controller [8086:a379] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: intel_pch_thermal Kernel modules: intel_pch_thermal 00:13.0 Serial controller [0700]: Intel Corporation Device [8086:a37c] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: intel_ish_ipc Kernel modules: intel_ish_ipc 00:14.0 USB controller [0c03]: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller [8086:a36d] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: xhci_hcd 00:14.2 RAM memory [0500]: Intel Corporation Cannon Lake PCH Shared SRAM [8086:a36f] (rev 10) Subsystem: Dell Device [1028:0949] 00:15.0 Serial bus controller [0c80]: Intel Corporation Device [8086:a368] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: intel-lpss Kernel modules: intel_lpss_pci 00:15.1 Serial bus controller [0c80]: Intel Corporation Device [8086:a369] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: intel-lpss Kernel modules: intel_lpss_pci 00:16.0 Communication controller [0780]: Intel Corporation Cannon Lake PCH HECI Controller [8086:a360] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: mei_me Kernel modules: mei_me 00:17.0 SATA controller [0106]: Intel Corporation Device [8086:a353] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: ahci Kernel modules: ahci 00:1d.0 PCI bridge [0604]: Intel Corporation Cannon Lake PCH PCI Express Root Port 9 [8086:a330] (rev f0) Kernel driver in use: pcieport 00:1d.5 PCI bridge [0604]: Intel Corporation Device [8086:a335] (rev f0) Kernel driver in use: pcieport 00:1d.6 PCI bridge [0604]: Intel Corporation Device [8086:a336] (rev f0) Kernel driver in use: pcieport 00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:a30d] (rev 10) Subsystem: Dell Device [1028:0949] 00:1f.3 Multimedia audio controller [0401]: Intel Corporation Cannon Lake PCH cAVS [8086:a348] (rev 10) Subsystem: Dell Device [1028:0949] Kernel driver in use: sof-audio-pci Kernel modules: snd_hda_intel, snd_sof_pci 00:1f.4 SMBus [0c05]: Intel Corporation Cannon Lake PCH SMBus Controller [8086:a323] (rev 10) Subsystem: Dell Device [1028:0949] Kernel modules: i2c_i801 00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller [8086:a324] (rev 10) Subsystem: Dell Device [1028:0949] 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:2191] (rev a1) Subsystem: Dell Device [1028:0949] Kernel driver in use: nvidia Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia 01:00.1 Audio device [0403]: NVIDIA Corporation Device [10de:1aeb] (rev a1) Subsystem: Dell Device [1028:0949] Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel 01:00.2 USB controller [0c03]: NVIDIA Corporation Device [10de:1aec] (rev a1) Subsystem: Dell Device [1028:0949] Kernel driver in use: xhci_hcd 01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device [10de:1aed] (rev a1) Subsystem: Dell Device [1028:0949] Kernel driver in use: nvidia-gpu Kernel modules: i2c_nvidia_gpu 02:00.0 Non-Volatile memory controller [0108]: Device [1cc1:33f3] (rev 03) Subsystem: Device [1cc1:33f3] Kernel driver in use: nvme Kernel modules: nvme 03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15) Subsystem: Dell RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1028:0949] Kernel driver in use: r8169 Kernel modules: r8169 04:00.0 Network controller [0280]: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter [168c:0042] (rev 31) Subsystem: Dell QCA9377 802.11ac Wireless Network Adapter [1028:1810] Kernel driver in use: ath10k_pci Kernel modules: ath10k_pci ** Affects: ubuntu Importance: Undecided Status: New ** Tags: bot-comment -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906998 Title: no headphone sound after update 18.04.5 kernel 5.4.0-56-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1906998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs