Bug 1860455 - Qt wayland applications leak 100ms timers, upstream patch available
Summary: Qt wayland applications leak 100ms timers, upstream patch available
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: qt5-qtwayland
Version: 32
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Lubomir Rintel
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-07-24 16:13 UTC by John Brooks
Modified: 2020-08-06 04:02 UTC (History)
7 users (show)

Fixed In Version: qt5-qtwayland-5.14.2-4.fc32
Clone Of:
Environment:
Last Closed: 2020-08-06 04:02:26 UTC
Type: Bug
Embargoed:

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System ID Private Priority Status Summary Last Updated
Qt Bug Tracker QTBUG-85730 0 None None None 2020-07-24 16:13:05 UTC

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 https://bugreports.qt.io/browse/QTBUG-85730. The missing commits from 5.15 are:

fabaaec60a5fe477f7339c0d825d8b236a7e5330
efc94a48526baf92b8a78916e03e1fef5993fa95
Comment 1 Fedora Update System 2020-07-27 09:31:16 UTC 
FEDORA-2020-22864ce309 has been submitted as an update to Fedora 32. https://bodhi.fedoraproject.org/updates/FEDORA-2020-22864ce309
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: https://bodhi.fedoraproject.org/updates/FEDORA-2020-22864ce309

See also https://fedoraproject.org/wiki/QA:Updates_Testing 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.
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