Another correction. For the one workaround, switching to discrete
graphics in the BIOS only seemed to get past the initial gnome login.
But resuming from DPMS off/suspend, the same error loop happens even
when hybrid graphics is disabled in the BIOS.
Even worse, seems hardware acceleration ends
Here's the script I run to workaround the intital failure of gnome to
use the external display after unlocking or resuming from DPMS
suspend/off.
** Attachment added: "fix-hdmi-uhd.sh"
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1716857/+attachment/5365719/+files/fix-hdmi-uhd.sh
--
Apologies, continuing the comment above (mistakenly posted when adding
the log attachment). Let me retry.
Failure loop observed:
- Failed to blit shared framebuffer: EGL failed to allocate resources for the
requested operation.
- Failed to set CRTC mode 3840x2160: No such file or directory
To
Hi, thanks to everyone, especially Daniel for unpacking this issue.
I have had a very similar issue, where gnome shell fails to run my
external 4K/UHD display at 60HZ and I see the following failure loop
triggered in `journalctl -b -p warning _COMM=gnome-shell`:
May 02 20:39:38 JNBA434499PLL
Public bug reported:
i don't understand what the mater
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-87.110-generic 4.4.73
Uname: Linux 4.4.0-87-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.10
** Attachment added: Nvidia settings screenshot
https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/1406991/+attachment/4291211/+files/Capture%20d%27%C3%A9cran%20de%202015-01-02%2009%3A45%3A15.png
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Public bug reported:
uname -a
Linux CX61-2PC-1298 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
sudo lshw -C display
*-display NON-RÉCLAMÉ
description: 3D controller
produit: GF117M [GeForce 610M/710M/820M / GT
I have a computer with an nVidia video card, using proprietary drivers.
I experience this issue.
I have to add that after a suspend/resume cycle my videos playback
slowly if they are enlarged, but normally when there's a 1:1 relation
between display pixels and video pixels, meaning that hardware
I don't think is OK to mark this bug as invalid, I still have this
problem with the latest and greatest Ubuntu 9.10.
--
colemak is broken
https://bugs.launchpad.net/bugs/188308
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