** Patch added: "this temporary patch should fix this issue" https://bugs.launchpad.net/system76/+bug/1457369/+attachment/4406026/+files/0001-UBUNTU-SAUCE-Correct-skylake-and-braswell-identifica.patch
-- 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/1457369 Title: kernel 3.19.0-18 breaks HDMI audio for snd_hda_intel Status in System76: Triaged Status in linux package in Ubuntu: Triaged Bug description: Problem appears on multiple computers with exact same kernel update, so clearly the problem is within the kernel. 3.19.0-16 did work without any problems. Before sound worked great via HDMI, now the HDMI output is not visible in neither alsamixer nor pulseaudio. Audio via the headphone jack still works. The computers are Intel-NUC-Kit-D54250WYK: 00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a26] (rev 09) Subsystem: Intel Corporation Device [8086:2054] Kernel driver in use: i915 00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 09) Subsystem: Intel Corporation Device [8086:2054] Kernel driver in use: snd_hda_inte dmesg gives: [ 3.178745] sound hdaudioC1D0: autoconfig: line_outs=1 (0x21/0x0/0x0/0x0/0x0) type:hp [ 3.178750] sound hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 3.178753] sound hdaudioC1D0: hp_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 3.178754] sound hdaudioC1D0: mono: mono_out=0x0 [ 3.178756] sound hdaudioC1D0: inputs: [ 3.178759] sound hdaudioC1D0: Mic=0x19 ... [ 3.215371] snd_hda_intel 0000:00:03.0: Cannot turn on display power on i915 ... [ 3.297561] [drm] Initialized i915 1.6.0 20141121 for 0000:00:02.0 on minor 0 ... [ 3.304357] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 3.304360] i915 0000:00:02.0: registered panic notifier --- ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: maarten 1669 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 15.04 Lsusb: Bus 001 Device 008: ID 8087:07dc Intel Corp. Bus 001 Device 007: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic root=UUID=6c65d9ee-31fe-4832-8907-f47ac02d6f83 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6 RelatedPackageVersions: linux-restricted-modules-3.19.0-18-generic N/A linux-backports-modules-3.19.0-18-generic N/A linux-firmware 1.143.1 Tags: vivid UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 3.19.0-18-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip fuse lp lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 04/10/2015 dmi.bios.vendor: Intel Corp. dmi.bios.version: WYLPT10H.86A.0038.2015.0410.1634 dmi.board.name: D54250WYK dmi.board.vendor: Intel Corporation dmi.board.version: H13922-302 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrWYLPT10H.86A.0038.2015.0410.1634:bd04/10/2015:svn:pn:pvr:rvnIntelCorporation:rnD54250WYK:rvrH13922-302:cvn:ct3:cvr: --- ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: maarten 1669 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 15.04 Lsusb: Bus 001 Device 008: ID 8087:07dc Intel Corp. Bus 001 Device 007: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic root=UUID=6c65d9ee-31fe-4832-8907-f47ac02d6f83 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6 RelatedPackageVersions: linux-restricted-modules-3.19.0-18-generic N/A linux-backports-modules-3.19.0-18-generic N/A linux-firmware 1.143.1 Tags: vivid UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 3.19.0-18-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip fuse lp lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 04/10/2015 dmi.bios.vendor: Intel Corp. dmi.bios.version: WYLPT10H.86A.0038.2015.0410.1634 dmi.board.name: D54250WYK dmi.board.vendor: Intel Corporation dmi.board.version: H13922-302 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrWYLPT10H.86A.0038.2015.0410.1634:bd04/10/2015:svn:pn:pvr:rvnIntelCorporation:rnD54250WYK:rvrH13922-302:cvn:ct3:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/system76/+bug/1457369/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
