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Bug 1860455

Summary: Qt wayland applications leak 100ms timers, upstream patch available
Product: [Fedora] Fedora Reporter: John Brooks <john>
Component: qt5-qtwaylandAssignee: Lubomir Rintel <lkundrak>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 32CC: jgrulich, jreznik, kde-sig, lkundrak, pierluigi.fiorini, rdieter, than
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Fixed In Version: qt5-qtwayland-5.14.2-4.fc32 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-08-06 04:02:26 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description John Brooks 2020-07-24 16:13:05 UTC
Description of problem:

Qt applications under gnome wayland often end up spinning 100ms timers, even while inactive, due to a bug in QtWayland frame callbacks. This was fixed upstream in 5.12 and 5.15, but missed 5.14.

The Qt bug for 5.14 is at The missing commits from 5.15 are:


Comment 1 Fedora Update System 2020-07-27 09:31:16 UTC
FEDORA-2020-22864ce309 has been submitted as an update to Fedora 32.

Comment 2 Fedora Update System 2020-07-28 15:19:14 UTC
FEDORA-2020-22864ce309 has been pushed to the Fedora 32 testing repository.
In short time you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2020-22864ce309`
You can provide feedback for this update here:

See also for more information on how to test updates.

Comment 3 Fedora Update System 2020-08-06 04:02:26 UTC
FEDORA-2020-22864ce309 has been pushed to the Fedora 32 stable repository.
If problem still persists, please make note of it in this bug report.