Please try a kernel from the 5.4 series instead like:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.94/
** Summary changed:
- Unable to launch GUI application due to Intel GPU driver bug
+ [i915] Unable to launch GUI application due to Intel GPU driver bug
** Package changed: linux (Ubuntu) => linux-signed-hwe-5.8 (Ubuntu)
** Changed in: linux-signed-hwe-5.8 (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: 5.8-gfx
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https://bugs.launchpad.net/bugs/1912936
Title:
[i915] Unable to launch GUI application due to Intel GPU driver bug
Status in linux-signed-hwe-5.8 package in Ubuntu:
Incomplete
Bug description:
I can confirm this problem: https://askubuntu.com/questions/1306700
/fixing-gpu-hang-caused-by-i915-driver
Symptom: unable to launch any application after login on to the
system, login screen etc works fine. The system thus becomes
completely unusable for regular users. I have tried both X and
Wayland.
Workaround: boot using "nomodeset" kernel parameter. The lowlatency
kernel did not help in my case.
Error (dmesg): "i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:85ddfffd,
in Xorg [8648]"
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-generic 5.4.0.64.67
ProcVersionSignature: Ubuntu 5.8.0-40.45~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-40-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: karla 4037 F.... pulseaudio
/dev/snd/controlC0: karla 4037 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Sun Jan 24 10:36:59 2021
InstallationDate: Installed on 2015-04-20 (2105 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
MachineType: Acer Aspire V5-473P
ProcFB: 0 i915drmfb
ProcKernelCmdLine:
BOOT_IMAGE=/ZFSL/System/U1804@/boot/vmlinuz-5.8.0-40-generic
root=ZFS=hostname-isatapool/ZFSL/System/U1804 ro ZFSSNAP=31 quiet splash
elevator=noop vt.handoff=1
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: XDG_RUNTIME_DIR
(/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e.g.
happen if you try to connect to a non-root PulseAudio as a root user, over the
native protocol. Don't do that.)
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.8.0-40-generic N/A
linux-backports-modules-5.8.0-40-generic N/A
linux-firmware 1.187.8
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-10-04 (111 days ago)
dmi.bios.date: 01/12/2015
dmi.bios.release: 0.0
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.30
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: Polaris_HW
dmi.board.vendor: Acer
dmi.board.version: Type2 - A01 Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.ec.firmware.release: 0.0
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV2.30:bd01/12/2015:br0.0:efr0.0:svnAcer:pnAspireV5-473P:pvrTBDbyOEM:rvnAcer:rnPolaris_HW:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.family: Type1Family
dmi.product.name: Aspire V5-473P
dmi.product.sku: Aspire V5-473P_079C_2_30
dmi.product.version: TBD by OEM
dmi.sys.vendor: Acer
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