I found out that it happens with 150% screen scaling factor.

Il giorno mar 28 apr 2020 alle ore 13:01 Daniel van Vugt <
<email address hidden>> ha scritto:

> *** This bug is a duplicate of bug 1872268 ***
>     https://bugs.launchpad.net/bugs/1872268
>
> 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.
>
>
> ** Package changed: xorg (Ubuntu) => gnome-shell (Ubuntu)
>
> ** Summary changed:
>
> - Xorg freeze
> + gnome-shell freeze
>
> ** This bug has been marked a duplicate of bug 1872268
>    Gnome Shell completely freezes Ubuntu 20.04
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1874709
>
> Title:
>   gnome-shell freeze
>
> Status in gnome-shell package in Ubuntu:
>   Incomplete
>
> Bug description:
>   When using the app drawer the ui eventually freezes and an hard reset
>   is required
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 20.04
>   Package: xorg 1:7.7+19ubuntu14
>   ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
>   Uname: Linux 5.4.0-26-generic x86_64
>   ApportVersion: 2.20.11-0ubuntu27
>   Architecture: amd64
>   BootLog: Error: [Errno 13] Permesso negato: '/var/log/boot.log'
>   CasperMD5CheckResult: skip
>   CompositorRunning: None
>   CurrentDesktop: ubuntu:GNOME
>   Date: Fri Apr 24 13:44:24 2020
>   DistUpgraded: 2020-04-24 11:41:00,761 ERROR got error from
> PostInstallScript ./xorg_fix_proprietary.py (g-exec-error-quark: Esecuzione
> del processo figlio «./xorg_fix_proprietary.py» non riuscita (File o
> directory non esistente) (8))
>   DistroCodename: focal
>   DistroVariant: ubuntu
>   ExtraDebuggingInterest: No
>   GpuHangFrequency: Very infrequently
>   GraphicsCard:
>    Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA
> controller])
>      Subsystem: Acer Incorporated [ALI] HD Graphics 620 [1025:118c]
>   InstallationDate: Installed on 2019-11-09 (166 days ago)
>   InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
>   MachineType: Acer Swift SF314-52
>   ProcEnviron:
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=it_IT.UTF-8
>    SHELL=/bin/bash
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-26-generic
> root=UUID=c6a5cf69-aa1a-4d80-9b15-222a65d5fbd4 ro quiet splash vt.handoff=7
>   SourcePackage: xorg
>   Symptom: display
>   Title: Xorg freeze
>   UpgradeStatus: Upgraded to focal on 2020-04-24 (0 days ago)
>   dmi.bios.date: 08/23/2018
>   dmi.bios.vendor: Insyde Corp.
>   dmi.bios.version: V1.09
>   dmi.board.asset.tag: Type2 - Board Asset Tag
>   dmi.board.name: Suntory_KL
>   dmi.board.vendor: KBL
>   dmi.board.version: V1.09
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Acer
>   dmi.chassis.version: Chassis Version
>   dmi.modalias:
> dmi:bvnInsydeCorp.:bvrV1.09:bd08/23/2018:svnAcer:pnSwiftSF314-52:pvrV1.09:rvnKBL:rnSuntory_KL:rvrV1.09:cvnAcer:ct10:cvrChassisVersion:
>   dmi.product.family: Swift 3
>   dmi.product.name: Swift SF314-52
>   dmi.product.sku: 0000000000000000
>   dmi.product.version: V1.09
>   dmi.sys.vendor: Acer
>   version.compiz: compiz N/A
>   version.libdrm2: libdrm2 2.4.101-2
>   version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
>   version.libgl1-mesa-glx: libgl1-mesa-glx N/A
>   version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
>   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
>
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>
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>