id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
18051	Extreme screen flickering on Intel GPUs with WebKit-2.40 in GTK-4 mode	Douglas R. Reno	Douglas R. Reno	"Filing a report here to help me track my progress on fixing this problem, since it's holding me up from getting GNOME done.

There is currently an issue where GTK-4 based applications which use WebKit, including it's own MiniBrowser, and Epiphany. It makes the window unusable and dragging the window around the screen will cause the application to hang.

No console output is present, and no messages are found in 'dmesg'. At this point, I think it's either an issue in Mesa or an issue in WebKit. There is a chance, albeit low, that it's related to GTK-4 only. Note that the GTK-3 version works perfectly and has no issues.

The original report was from Stephan Berman, see [https://lists.linuxfromscratch.org/sympa/arc/blfs-dev/2023-04/msg00097.html]

I'm going to try the new intel-media-driver next to see if that resolves anything, and then test this on Wayland. I'll also grab a screen recording. That'll give me more information to submit to upstream.

Note that this only seems to affect GPUs from 6th-9th gen Intel CPUs. It does not affect i965/crocus. It's most likely related to the 'iris' driver if Mesa is at fault."	defect	closed	normal	12.0	BOOK	git	medium	fixed