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.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
OEM Priority Project |
Confirmed
|
High
|
Unassigned | ||
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
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/
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_
[ 422.084088] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f0d00. -5
...
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
DistributionCha
# This is the distribution channel descriptor for the OEM CDs
# For more information see http://
canonical-
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2020-04-01 (0 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38
IwConfig:
lo no wireless extensions.
wlp0s12f0 no wireless extensions.
enp2s0 no wireless extensions.
MachineType: Dell Inc. Wyse 5070 Extended Thin Client
Package: linux-oem-osp1 5.0.0.1046.49
PackageArchitec
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageV
linux-
linux-
linux-firmware 1.173.9
Tags: bionic
Uname: Linux 5.0.0-1046-oem-osp1 x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 01/08/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.5.0
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.family: Wyse Thin Client 5000 Series
dmi.product.name: Wyse 5070 Extended Thin Client
dmi.product.sku: 080C
dmi.sys.vendor: Dell Inc.
tags: | added: originate-1864966 |
description: | updated |
description: | updated |
description: | updated |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
apport information