[Bug 1859071] Re: Native mode 2560x1080 is randomly unavailable on some boots
[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859071 Title: Native mode 2560x1080 is randomly unavailable on some boots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1859071] Re: Native mode 2560x1080 is randomly unavailable on some boots
See also bug 1893601. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859071 Title: Native mode 2560x1080 is randomly unavailable on some boots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1859071] Re: Native mode 2560x1080 is randomly unavailable on some boots
** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859071 Title: Native mode 2560x1080 is randomly unavailable on some boots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1859071] Re: Native mode 2560x1080 is randomly unavailable on some boots
Please test latest drm-tip kernel: https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/current/ If it doesn't solve the issue, please file an upstream bug at intel graphics upstream: https://gitlab.freedesktop.org/drm/intel/wikis/How-to-file-i915-bugs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859071 Title: Native mode 2560x1080 is randomly unavailable on some boots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1859071] Re: Native mode 2560x1080 is randomly unavailable on some boots
I believe this is a kernel bug or a hardware fault. So that's why it's assigned to the kernel now. This is not a Wayland issue since the same applies to Xorg, and we've confirmed in comment #42 that the problem is originating in the kernel. The next step I think will be to play with different "i2c timeouts", which you can google. But I am guessing now and we need the help of the kernel team. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859071 Title: Native mode 2560x1080 is randomly unavailable on some boots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1859071] Re: Native mode 2560x1080 is randomly unavailable on some boots
Yes, it usually shows more modes, notably with some duplicates (different refresh rates, perhaps)? it basically looks like the modes.txt i already posted except also with this at the top: /sys/class/drm/card0-DP-2/modes:2560x1080 /sys/class/drm/card0-DP-2/modes:2560x1080 /sys/class/drm/card0-DP-2/modes:2560x1080 /sys/class/drm/card0-DP-2/modes:1920x1080 /sys/class/drm/card0-DP-2/modes:1920x1080 /sys/class/drm/card0-DP-2/modes:1920x1080 /sys/class/drm/card0-DP-2/modes:1920x1080 /sys/class/drm/card0-DP-2/modes:1920x1080 /sys/class/drm/card0-DP-2/modes:1680x1050 Anyway, I wanted to comment that I was able to reproduce this bug on a fresh install of CentOS 8 on the same laptop, albeit only once and after waking the computer from suspend, instead of during boot. I did the same command to dump all the modes to a text file and saw the results were the same after waking that install from suspend. So, i'm assuming it's not a Ubuntu problem, instead it's either a hardware issue as you suggested it could be, or a Wayland issue - since this CentOS 8 install is also using Wayland to log in. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859071 Title: Native mode 2560x1080 is randomly unavailable on some boots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
