apport information ** Attachment added: "ProcEnviron.txt" https://bugs.launchpad.net/bugs/1870003/+attachment/5344069/+files/ProcEnviron.txt
** Attachment removed: "ProcEnviron.txt" https://bugs.launchpad.net/oem-priority/+bug/1870003/+attachment/5344069/+files/ProcEnviron.txt ** Attachment removed: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/oem-priority/+bug/1870003/+attachment/5344068/+files/ProcCpuinfoMinimal.txt ** Attachment removed: "Dependencies.txt" https://bugs.launchpad.net/oem-priority/+bug/1870003/+attachment/5344067/+files/Dependencies.txt ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1870003 Title: A Machine with Intel GPU and a plugged AMD card will hang as read certain codec as HDMI/DP monitor without audio output is plugged in intel gpu. Status in OEM Priority Project: Confirmed Status in linux package in Ubuntu: Confirmed Bug description: Note: in bionic, it will cause login from graphic console to hang for a quite long time, most likely will failed in the end. To reproduce: HW: a machine with intel GPU and plugged AMD card. A HDMI/DP monitor without audio output plugged into intel GPU. TLP is installed with certain aggressive config. Please refer to the tlp config is: LP: #1869999 try to "cat /proc/asound/card0/codec#2" it will hang for long time (like 30 seconds) and kernel will output lots of log like: [ 30.476204] snd_hda_intel 0000:00:0e.0: azx_get_response timeout, switching to polling mode: last cmd=0x20bf8100 [ 31.488128] snd_hda_intel 0000:00:0e.0: No response from codec, disabling MSI: last cmd=0x20bf8100 [ 169.630066] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f0d00. -11 [ 420.027224] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f0d00. -11 [ 422.051178] snd_hda_intel 0000:00:0e.0: azx_get_response timeout, switching to single_cmd mode: last cmd=0x20170503 [ 422.051383] azx_single_wait_for_response: 3 callbacks suppressed [ 422.084088] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f0d00. -5 ... --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 DistributionChannelDescriptor: # This is the distribution channel descriptor for the OEM CDs # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-bionic-amd64-20180608-47+beaver-osp1-sanbernardino+X106 DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2020-03-31 (1 days ago) InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38 Package: linux-oem 4.15.0.1059.63 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 5.0.0-1040.45-oem-osp1 5.0.21 Tags: bionic Uname: Linux 5.0.0-1040-oem-osp1 x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 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-amd64-20180608-47+beaver-osp1-sanbernardino+X106 DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2020-03-31 (1 days ago) InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38 Package: linux-oem-osp1 5.0.0.1040.45 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 5.0.0-1040.45-oem-osp1 5.0.21 Tags: bionic Uname: Linux 5.0.0-1040-oem-osp1 x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1870003/+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
