I switched to Wayland and the problem solved, but others arise! i.e.
the favourite menu starts not working

On 16/06/2023, Salvatore Campeggio <email address hidden> wrote:
> This is the result of driver check:
>
> camp@camp-medion:~$ glxinfo -B
> name of display: :0
> display: :0  screen: 0
> direct rendering: Yes
> Extended renderer info (GLX_MESA_query_renderer):
>     Vendor: Mesa/X.org (0xffffffff)
>     Device: llvmpipe (LLVM 12.0.0, 256 bits) (0xffffffff)
>     Version: 21.2.6
>     Accelerated: no
>     Video memory: 15746MB
>     Unified memory: no
>     Preferred profile: core (0x1)
>     Max core profile version: 4.5
>     Max compat profile version: 3.1
>     Max GLES1 profile version: 1.1
>     Max GLES[23] profile version: 3.2
> OpenGL vendor string: Mesa/X.org
> OpenGL renderer string: llvmpipe (LLVM 12.0.0, 256 bits)
> OpenGL core profile version string: 4.5 (Core Profile) Mesa 21.2.6
> OpenGL core profile shading language version string: 4.50
> OpenGL core profile context flags: (none)
> OpenGL core profile profile mask: core profile
>
> OpenGL version string: 3.1 Mesa 21.2.6
> OpenGL shading language version string: 1.40
> OpenGL context flags: (none)
>
> OpenGL ES profile version string: OpenGL ES 3.2 Mesa 21.2.6
> OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
>
>
> On 16/06/2023, Daniel van Vugt <email address hidden> wrote:
>> In that case it sounds like a driver bug.
>>
>> Firstly please check you're not using the deprecated 'intel' Xorg
>> driver. It should be the 'modesetting' driver, although the attached
>> logs suggest you're already using that.
>>
>> Secondly try live booting a newer Ubuntu release and tell us if it has
>> the same problem: https://ubuntu.com/download/desktop
>>
>> --
>> You received this bug notification because you are subscribed to the bug
>> report.
>> https://bugs.launchpad.net/bugs/2023927
>>
>> Title:
>>   Screen flickering whe update images
>>
>> Status in linux-hwe-5.13 package in Ubuntu:
>>   Incomplete
>>
>> Bug description:
>>   Often, when there are small changes in image displayed, an horizontal
>> flickering is observed. This happen for example on a mouse right button
>> menu, or when a hyperlink description appears on the screen bottom when
>> mouse pointer cross some field on a webpage, also when favorites menu
>> appear.
>>   The flickering usually disappear in a few moments, sometimes (usually
>> when
>> a few pixels are updating) it can last for seconds.
>>   This flickering is caused by a late updating of some horizontal lines,
>> so
>> for awhile a few lines of previous image coexist with a majority of new
>> ones
>>
>>   ProblemType: Bug
>>   DistroRelease: Ubuntu 20.04
>>   Package: xorg 1:7.7+19ubuntu14
>>   ProcVersionSignature: Ubuntu 5.13.0-41.46~20.04.1-generic 5.13.19
>>   Uname: Linux 5.13.0-41-generic x86_64
>>   ApportVersion: 2.20.11-0ubuntu27.23
>>   Architecture: amd64
>>   BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
>>   CasperMD5CheckResult: skip
>>   CompositorRunning: None
>>   CurrentDesktop: ubuntu:GNOME
>>   Date: Wed Jun 14 22:44:12 2023
>>   DistUpgraded: Fresh install
>>   DistroCodename: focal
>>   DistroVariant: ubuntu
>>   DkmsStatus:
>>    virtualbox, 6.1.32, 5.13.0-40-generic, x86_64: installed
>>    virtualbox, 6.1.32, 5.13.0-41-generic, x86_64: installed
>>    virtualbox, 6.1.32, 5.4.0-126-generic, x86_64: installed
>>   ExtraDebuggingInterest: Yes, including running git bisection searches
>>   GraphicsCard:
>>    Intel Corporation Device [8086:9a49] (rev 01) (prog-if 00 [VGA
>> controller])
>>      Subsystem: Device [1e39:a025]
>>   InstallationDate: Installed on 2022-01-01 (529 days ago)
>>   InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64
>> (20210819)
>>   Lsusb: Error: command ['lsusb'] failed with exit code 127: lsusb:
>> symbol
>> lookup error: lsusb: undefined symbol: libusb_error_name
>>   Lsusb-t: Error: command ['lsusb', '-t'] failed with exit code 127:
>> lsusb:
>> symbol lookup error: lsusb: undefined symbol: libusb_error_name
>>   Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 127:
>> lsusb:
>> symbol lookup error: lsusb: undefined symbol: libusb_error_name
>>   MachineType: MEDION S15449
>>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-41-generic
>> root=UUID=cbfc0023-baf3-4a11-b0aa-6dadbd0f60f7 ro quiet splash pci=noaer
>> vt.handoff=7
>>   SourcePackage: xorg
>>   Symptom: display
>>   UpgradeStatus: No upgrade log present (probably fresh install)
>>   dmi.bios.date: 04/09/2021
>>   dmi.bios.release: 5.19
>>   dmi.bios.vendor: American Megatrends International, LLC.
>>   dmi.bios.version: 212
>>   dmi.board.asset.tag: Default string
>>   dmi.board.name: M15T
>>   dmi.board.vendor: MEDION
>>   dmi.board.version: Default string
>>   dmi.chassis.asset.tag: Default string
>>   dmi.chassis.type: 10
>>   dmi.chassis.vendor: MEDION
>>   dmi.chassis.version: Default string
>>   dmi.modalias:
>> dmi:bvnAmericanMegatrendsInternational,LLC.:bvr212:bd04/09/2021:br5.19:svnMEDION:pnS15449:pvrDefaultstring:rvnMEDION:rnM15T:rvrDefaultstring:cvnMEDION:ct10:cvrDefaultstring:skuML-23000830031014:
>>   dmi.product.family: Akoya
>>   dmi.product.name: S15449
>>   dmi.product.sku: ML-230008 30031014
>>   dmi.product.version: Default string
>>   dmi.sys.vendor: MEDION
>>   version.compiz: compiz N/A
>>   version.libdrm2: libdrm2 2.4.107-8ubuntu1~20.04.2
>>   version.libgl1-mesa-dri: libgl1-mesa-dri 21.2.6-0ubuntu0.1~20.04.2
>>   version.libgl1-mesa-glx: libgl1-mesa-glx N/A
>>   version.xserver-xorg-core: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.2
>>   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 N/A
>>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
>> 1:1.0.16-1
>>
>> To manage notifications about this bug go to:
>> https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.13/+bug/2023927/+subscriptions
>>
>>
>