Confirmed:
* The client window needs to be larger to get different scaling factors
offered. If the desktop resolution is too low then none will be offered.
* I can reproduce the failure to revert. I DON'T get the error messages
in the log though. This suggests Xdcv returned SUCCESS on the revert
I'm guessing your desktop resolution might have been too low for other
scaling factors to be offered? It varies according to the screen
resolution. Maybe also according to the (virtual) hardware's reported
DPI.
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Packages,
I also tested Daniel's mutter package with:
sudo add-apt-repository ppa:vanvugt/mutter
sudo apt update
sudo apt upgrade
And rebooted the Workspace just in case.
I know Mustafa mentioned he was still able to reproduce the issue. In my
case, I wasn't but on the other hand, I can't do the action
Reproducer:
-- Grab a fresh Ubuntu 22.04 VM, then install NICE DCV Server & NICE
Xdcv --
# Exit graphical mode
sudo systemctl isolate multi-user.target
# Install `ssh` & import id (optional)
sudo apt -y install openssh-server
ssh-import-id
# Disable wayland
sudo sed -i
I'm still able to reproduce the bug with the PPA installed. I'll
investigate this further and share my findings.
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https://bugs.launchpad.net/bugs/2020782
Title:
Changing
Here's a PPA containing the change to test:
https://launchpad.net/~vanvugt/+archive/ubuntu/mutter
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https://bugs.launchpad.net/bugs/2020782
Title:
Changing display scale
Hi Daniel,
I'm not with the SEG team and I would need assistance from someone
building that and providing the debs or a ppa. I've also subscribed
Mustafa, from SEG, to this bug, as he's assisting me investigating this
issue.
Regards,
Fabio Martins
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Fabio, please try building mutter without the fractional scaling patch.
So just delete:
ubuntu/x11-Add-support-for-fractional-scaling-using-Randr.patch
from debian/patches/series.
That should retain support for integer scaling, but will tell us if the
fractional scaling patch is causing this
While I do see a couple of bugs when changing display scale on Xorg, I
don't see the "Failed to restore previous configuration" that is the
main subject here. So it sounds like this is only occurring on Xdcv.
** Tags added: jammy xrandr-scaling
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Marco is the author of the Xrandr fractional scaling support patch so he
might have some immediate ideas. I figure a lot of this is going to be
affected by that patch even if you're only trying to use integer
scaling.
** Changed in: mutter (Ubuntu)
Assignee: (unassigned) => Marco Trevisan
Also tested with mutter-common 42.5-0ubuntu1 and gnome-shell
42.5-0ubuntu1:
fabiomirmar@U-1JSKZM4R9U78P:~$ sudo apt-cache policy mutter-common
[sudo] password for fabiomirmar:
mutter-common:
Installed: 42.5-0ubuntu1
Candidate: 42.5-0ubuntu1
Version table:
*** 42.5-0ubuntu1 500
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