*** This bug is a duplicate of bug 1862081 ***
https://bugs.launchpad.net/bugs/1862081
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1862081, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => New
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** This bug has been marked a duplicate of bug 1862081
Gnome resizes framebuffer when playing fullscreen video over and over again
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https://bugs.launchpad.net/bugs/1863391
Title:
GNOME fractional scaling: fullscreen video misbehaves
Status in gnome-shell package in Ubuntu:
New
Status in mutter package in Ubuntu:
New
Bug description:
When scaling the desktop to e.g. 150%, fullscreen video does seem to
trigger constant changes of the scaling factor: the system switches
every 0.5s from 150% to 100% to 200% or things like those.
The problem does not occur, when there is another windows present
(e.g. a "always-on-top" terminal windows).
Also, KDE doesn't have this problem.
The problem exists in freshly installed 19.10 and 20.04, too. I couldn't find
any reason, why sometimes firefox fullscreen videos do work and sometimes not.
Video playback (e.g. GNOME video player or VLC) does not work properly in
19.10, whereas it works most of the time in 20.04.
How can I help to dig into this?
1) Ubuntu 19.10, 20.04
2) latest available (problem exists since several weeks)
3) What you expected to happen: fullscreen video playback in scaled mode
4) What happened instead: screen starts changing (randomly?) the scaling
factor or at least this is the impression one gets
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DisplayManager: gdm3
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-01-31 (19 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200130)
Package: gnome-shell 3.34.3-1ubuntu1
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
RelatedPackageVersions: mutter-common 3.34.3-1ubuntu1
Tags: focal
Uname: Linux 5.4.0-12-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
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