As we speak, my 3840 1080 resolution just came back (btw, I'm in 60Hz and I could theoretically use a 5120 1400 120Hz resolution)
On Mon, Apr 7, 2025 at 12:04 PM Lucas Garcia <[email protected]> wrote: > Hey, I just read your article about that "issue" and you answered all my > questions: > - it used to work properly before > - it works on windows > 😅 > I don't understand what you mean by "daisy chaining" the monitors but if I > can provide you more informations about it: > - My main monitor (the odyssey G9 49") has two DP => one directly plugged > onto my personal computer, and the other one plugged onto a Dock station ( > https://www.amazon.fr/dp/B0CR6J2HCK?ref=ppx_yo2ov_dt_b_fed_asin_title), > plugged onto my professional laptop's USB-C (as stated in your article) > - My secondary monitor (a classic 24") has one HDMI port => plugged onto a > KVM switch, plugged onto my personal computer, and the other one also > plugged onto the KVM switch, plugged onto the laptop > > => I don't face any issue with the hdmi (therefore I have no issues with > the KVM switch) > => The DP cable is of good quality I think. It's this one : > https://www.amazon.fr/dp/B0CBML7QQB?ref=ppx_yo2ov_dt_b_fed_asin_title > => The only ones left are the laptop itself OR the Dock station. > > What do you think? I know my dock station is not of the best quality but > is it really that bad? I got everything you said in your article but that's > still a fact that it used to work for months and now it doesn't + I have so > many issues with displays with ubuntu (like I had to switch back to xorg > instead of wayland due to screen sharing issues) so it just felt > """obvious""" for me that the software was the problem. > > On Mon, Apr 7, 2025 at 10:45 AM Daniel van Vugt < > [email protected]> wrote: > >> It looks like you might be daisy chaining the two external monitors(?). >> So if you can't easily get new cabling then just plugging in one monitor >> at a time would be the next best thing to try. >> >> -- >> 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 Ubuntu: >> Invalid >> >> 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/+bug/2106371/+subscriptions >> >> -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2106371 Title: 32:9 resolution missing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2106371/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
