FS#64538 - [xorg-server] laggy mouse on old PC (because input thread is not used)

Attached to Project: Arch Linux
Opened by Alexander E. Patrakov (patrakov) - Saturday, 16 November 2019, 17:19 GMT
Last edited by Andreas Radke (AndyRTR) - Wednesday, 11 December 2019, 12:15 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Jan de Groot (JGC)
Andreas Radke (AndyRTR)
Laurent Carlier (lordheavy)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

Some time ago, Arch Linux has switched to building xorg-server using Meson. However, this introduced a regression visible for users of very old PCs (like 10 years old): the mouse became uncomfortably laggy. This is because the person who wrote meson.build incorrectly ported detection whether it makes sense to use the input thread (INPUTTHREAD vs HAVE_INPUTTHREAD macro confusion and other issues), therefore it ensed up being always disabled.

The bug has been reported upstream as https://gitlab.freedesktop.org/xorg/xserver/issues/936

Until this is resolved, I suggest that Arch Linux reverts to building xorg-server with autotools.

Additional info:

Package version: xorg-server 1.20.5-4
What to look for in Xorg.0.log: "silken mouse disabled" (but should be enabled)
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Wednesday, 11 December 2019, 12:15 GMT
Reason for closing:  Upstream

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