apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1870003/+attachment/5344051/+files/ProcEnviron.txt
** Changed in: oem-priority
Status: New => Confirmed
** Changed in: oem-priority
Importance: Undecided => High
--
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:
New
Bug description:
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.
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
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 : [email protected]
Unsubscribe : https://launchpad.net/~kernel-packages
More help : https://help.launchpad.net/ListHelp
