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Tasklist

FS#68434 - [qt5-base] Qt5 input under X11 with LTS kernel randomly hangs.

Attached to Project: Arch Linux
Opened by Oskar Roesler (bionade24) - Tuesday, 27 October 2020, 09:25 GMT
Task Type Bug Report
Category Packages: Extra
Status Unconfirmed
Assigned To No-one
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 0
Private No

Details

Description:
Moved from: https://bugs.archlinux.org/task/68428
Description:
After switching to LTS kernel, input on a Qt window, randomly hangs.

Bug occured in:
On dolphin search.
In SMTube's browser window.
In konsole, embedded or not.

Didn't occured in:
Yakuake
Systemsettings's search

Additional info:
* package version(s)
linux-lts 5.4.72-1
5.15.1-3

Steps to reproduce:
Steps to reproduce:
Switch to linux-lts 5.4
Start a new konsole window or dolphin with konsole.
Try to type.

Problematic Behaviour:
Konsole takes extremely long to respond sometimes, despite being on an i9-9980HK.
This task depends upon

Comment by Oskar Roesler (bionade24) - Tuesday, 27 October 2020, 10:14 GMT
Work all fine under Kernel 5.8 before. The availability of prime render offload doesn't seem to cause it in any way, got same results after blacklisting the nvidia drivers.
Comment by f (bakgwailo) - Tuesday, 10 November 2020, 19:28 GMT
Yeah, I get it, too. Also on an optimus setup and on the LTS kernel. Possibly related - LibreOffice is almost unusable as it also keeps freezes up after every few words typed quickly.

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