Bug 256002

Summary:

[GTK] Web view misrenders systematically with GTK 4 port

Product:

WebKit

Reporter:

vanadiae <vanadiae35>

Component:

WebKitGTK

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

bugs-noreply, mcatanzaro, vanadiae35

Priority:

Version:

Other

Hardware:

OS:

Linux

Attachments:

Description	Flags
screenshot of gnome.org	none
screenshot of duckduckgo.com	none
webkit://gpu	none

vanadiae

Reported 2023-04-26 12:08:04 PDT

Created attachment 466104 [details] screenshot of gnome.org Versions & informations: - Tested in Epiphany (GNOME Web) nightly and GNOME Builder nightly, using WebKitGTK 2.41.2 (webkitgtk-6.0, GTK 4) - Wayland with radeon kernel module (not the newer amdgpu, if that's of any importance) on GNOME All pages get rendered wrong but still respond to inputs: the rendered page changes when scrolling, links can be hovered and clicked just fine. Something else interesting is that the web inspector renders without any issue contrary to the page itself. The best way to understand the issue is to see it, so see the attachments for screenshots. The issue did not happen a few updates ago (still with GTK 4), but I wouldn't be able to tell when it broke exactly. Let me know if there is any other information that you need or things I can test to help figure out the exact issue.

Attachments
screenshot of gnome.org (395.27 KB, image/png) 2023-04-26 12:08 PDT, vanadiae	no flags	Details
screenshot of duckduckgo.com (60.81 KB, image/png) 2023-04-26 12:09 PDT, vanadiae	no flags	Details
webkit://gpu (26.52 KB, text/html) 2023-04-26 12:47 PDT, vanadiae	no flags	Details
View All Add attachment proposed patch, testcase, etc.

vanadiae

Comment 1 2023-04-26 12:09:11 PDT

Created attachment 466105 [details] screenshot of duckduckgo.com

Michael Catanzaro

Comment 2 2023-04-26 12:43:03 PDT

Hm, the radeon kernel module is atypical. Could you copy/paste webkit://gpu and attach it here, please?

Michael Catanzaro

Comment 3 2023-04-26 12:43:36 PDT

Also, does WebKitGTK 2.40.x work? Try with either Flathub or a distro packaged version.

vanadiae

Comment 4 2023-04-26 12:47:21 PDT

Created attachment 466109 [details] webkit://gpu

vanadiae

Comment 5 2023-04-26 12:48:14 PDT

I will try downgrading the GNOME SDK to have earlier WebKitGTK.

vanadiae

Comment 6 2023-04-26 13:21:09 PDT

Hmm that's embarrassing. At some point I updated and the bug was there, then it disappeared and reappeared afterwards, staying for good. But now I just updated again the GNOME SDK (to downgrade it later) and the bug is gone. Maybe https://gitlab.gnome.org/GNOME/gnome-build-meta/-/commit/3d6fb3e82c36203986151e3873abdeb71180a324 is to do with it? Or it was just fixed as part of another commit between 2.41.2 and 2.41.3. I guess that's good then :). For now I'll close the issue, and eventually (but hopefully not) will re-open the issue, if that's even possible with bugzilla.

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