When I open the app launcher in GNOME (Ubuntu 20.04) and do some things like switching between applications and application folders, GNOME suddenly freezes and I can't do anything. The sound only remains working if it is running on any application. The only solution is the hard reboot.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
Uname: Linux 5.4.0-37-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 21 15:39:00 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo HD Graphics 5500 [17aa:390c]
Subsystem: Lenovo Sun LE [Radeon HD 8550M / R5 M230] [17aa:390c]
InstallationDate: Installed on 2020-05-19 (33 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 80E5
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-37-generic root=UUID=c7d69f43-2b8e-4b4b-9186-3413ce900275 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: B0CN69WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo G50-80
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo G50-80
dmi.modalias: dmi:bvnLENOVO:bvrB0CN69WW:bd06/20/2014:svnLENOVO:pn80E5:pvrLenovoG50-80:rvnLENOVO:rnLenovoG50-80:rvrNODPK:cvnLENOVO:ct10:cvrLenovoG50-80:
dmi.product.family: IDEAPAD
dmi.product.name: 80E5
dmi.product.sku: LENOVO_MT_80E5_BU_idea_FM_Lenovo G50-80
dmi.product.version: Lenovo G50-80
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.1.1+git2006192206.1602ffbdb06~f~mesarc0
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1872268, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.