Hey! My issue happened again this morning so I changed my cables and....
you were right! Everything works fine now (and even better as I now have an
even better resolution proposed to me with higher refresh rates!)

Thanks a lot for your help and your patience!

On Thu, Apr 10, 2025 at 2:17 PM Lucas Garcia <fr.lcs...@gmail.com>
wrote:

> Hey! Thanks for the link!
>
> To give you an update:
> Right now i didn't face the issue again (currently still using the dock
> station)
> => I received the cable (the longer one, up to 8k 60hz / 4k 144hz => on my
> professional laptop I'm not even in 4k) but I'll try it when I face the
> issue once again
>
> On Wed, Apr 9, 2025 at 5:30 AM Daniel van Vugt <2106...@bugs.launchpad.net>
> wrote:
>
>> It might have been OK because usually shorter is better. Shorter cables
>> have less signal degradation and maintain higher bandwidth more
>> reliably.
>>
>> I recently experimented with a 4K@240Hz monitor and found [a very short
>> cable](https://www.amazon.com.au/dp/B0D815GV9K) was able to maintain a
>> stable high quality signal.
>>
>> --
>> You received this bug notification because you are subscribed to the bug
>> report.
>> https://bugs.launchpad.net/bugs/2106371
>>
>> Title:
>>   32:9 resolution missing
>>
>> Status in linux-hwe-6.11 package in Ubuntu:
>>   Opinion
>>
>> Bug description:
>>   From time to time, my screen monitor resolution disappears and I end
>>   up with a very bugy display (flicking) or forced to use a completely
>>   flatten 16:9 one on my ultra wide monitor (samsung odyssey G9)
>>
>>   ProblemType: Bug
>>   DistroRelease: Ubuntu 24.04
>>   Package: xorg 1:7.7+23ubuntu3
>>   ProcVersionSignature: Ubuntu 6.11.0-21.21~24.04.1-generic 6.11.11
>>   Uname: Linux 6.11.0-21-generic x86_64
>>   ApportVersion: 2.28.1-0ubuntu3.5
>>   Architecture: amd64
>>   BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log'
>>   CasperMD5CheckResult: pass
>>   CompositorRunning: None
>>   CurrentDesktop: ubuntu:GNOME
>>   Date: Mon Apr  7 10:14:03 2025
>>   DistUpgraded: Fresh install
>>   DistroCodename: noble
>>   DistroVariant: ubuntu
>>   ExtraDebuggingInterest: Yes, including running git bisection searches
>>   GraphicsCard:
>>    Intel Corporation Alder Lake-UP3 GT2 [Iris Xe Graphics] [8086:46a8]
>> (rev 0c) (prog-if 00 [VGA controller])
>>      Subsystem: Hewlett-Packard Company Alder Lake-UP3 GT2 [Iris Xe
>> Graphics] [103c:8aa1]
>>   InstallationDate: Installed on 2024-09-26 (193 days ago)
>>   InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64
>> (20240424)
>>   MachineType: HP HP ProBook 450 15.6 inch G9 Notebook PC
>>   ProcEnviron:
>>    LANG=fr_FR.UTF-8
>>    PATH=(custom, no user)
>>    SHELL=/bin/bash
>>    TERM=xterm-256color
>>    XDG_RUNTIME_DIR=<set>
>>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-21-generic
>> root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7
>>   SourcePackage: xorg
>>   UpgradeStatus: No upgrade log present (probably fresh install)
>>   dmi.bios.date: 05/10/2024
>>   dmi.bios.release: 11.4
>>   dmi.bios.vendor: HP
>>   dmi.bios.version: U85 Ver. 01.11.04
>>   dmi.board.name: 8AA1
>>   dmi.board.vendor: HP
>>   dmi.board.version: KBC Version 21.6B.00
>>   dmi.chassis.type: 10
>>   dmi.chassis.vendor: HP
>>   dmi.ec.firmware.release: 33.107
>>   dmi.modalias:
>> dmi:bvnHP:bvrU85Ver.01.11.04:bd05/10/2024:br11.4:efr33.107:svnHP:pnHPProBook45015.6inchG9NotebookPC:pvrSBKPF:rvnHP:rn8AA1:rvrKBCVersion21.6B.00:cvnHP:ct10:cvr:sku6A284EA#ABF:
>>   dmi.product.family: 103C_5336AN HP ProBook
>>   dmi.product.name: HP ProBook 450 15.6 inch G9 Notebook PC
>>   dmi.product.sku: 6A284EA#ABF
>>   dmi.product.version: SBKPF
>>   dmi.sys.vendor: HP
>>   version.compiz: compiz N/A
>>   version.libdrm2: libdrm2 2.4.122-1~ubuntu0.24.04.1
>>   version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.8-1ubuntu1~24.04.1
>>   version.libgl1-mesa-glx: libgl1-mesa-glx N/A
>>   version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.3
>>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
>>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
>>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
>> 2:2.99.917+git20210115-1build1
>>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
>> 1:1.0.17-2build1
>>
>> To manage notifications about this bug go to:
>>
>> https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.11/+bug/2106371/+subscriptions
>>
>>

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-hwe-6.11 in Ubuntu.
https://bugs.launchpad.net/bugs/2106371

Title:
  32:9 resolution missing

Status in linux-hwe-6.11 package in Ubuntu:
  Opinion

Bug description:
  From time to time, my screen monitor resolution disappears and I end
  up with a very bugy display (flicking) or forced to use a completely
  flatten 16:9 one on my ultra wide monitor (samsung odyssey G9)

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: xorg 1:7.7+23ubuntu3
  ProcVersionSignature: Ubuntu 6.11.0-21.21~24.04.1-generic 6.11.11
  Uname: Linux 6.11.0-21-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.5
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log'
  CasperMD5CheckResult: pass
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Apr  7 10:14:03 2025
  DistUpgraded: Fresh install
  DistroCodename: noble
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation Alder Lake-UP3 GT2 [Iris Xe Graphics] [8086:46a8] (rev 0c) 
(prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Alder Lake-UP3 GT2 [Iris Xe Graphics] 
[103c:8aa1]
  InstallationDate: Installed on 2024-09-26 (193 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  MachineType: HP HP ProBook 450 15.6 inch G9 Notebook PC
  ProcEnviron:
   LANG=fr_FR.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-21-generic 
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/10/2024
  dmi.bios.release: 11.4
  dmi.bios.vendor: HP
  dmi.bios.version: U85 Ver. 01.11.04
  dmi.board.name: 8AA1
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 21.6B.00
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.ec.firmware.release: 33.107
  dmi.modalias: 
dmi:bvnHP:bvrU85Ver.01.11.04:bd05/10/2024:br11.4:efr33.107:svnHP:pnHPProBook45015.6inchG9NotebookPC:pvrSBKPF:rvnHP:rn8AA1:rvrKBCVersion21.6B.00:cvnHP:ct10:cvr:sku6A284EA#ABF:
  dmi.product.family: 103C_5336AN HP ProBook
  dmi.product.name: HP ProBook 450 15.6 inch G9 Notebook PC
  dmi.product.sku: 6A284EA#ABF
  dmi.product.version: SBKPF
  dmi.sys.vendor: HP
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.122-1~ubuntu0.24.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.8-1ubuntu1~24.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20210115-1build1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.17-2build1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.11/+bug/2106371/+subscriptions


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