| Bug ID | 110981 |
|---|---|
| Summary | Glitches with amdgpu driver and QtWebEngine |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | freedesktop@trummer.xyz |
( original bug at openSUSE bugzilla https://bugzilla.suse.com/show_bug.cgi?id=1139011 ) Web contents rendered with QtWebEngine and the amdgpu driver have heavy glitches since a recent update. Some examples: - Scrollbars have glitches until a mouse over happens - embedded videos have glitches until mouseover - YouTube videos will lag heavily when the playback controls are displayed The problem appears in programs that use QtWebEngine (libqt5-qtwebengine) like KMail and Falkon. It does not appear in Firefox which uses its own rendering engine. It does also not appear on another machine that has an Intel iGPU when using programs that use QtWebEngine. Therefore I believe the problem is related to the amdgpu kernel driver and it manifests only when using QtWebEngine, so I filed it as a kernel bug. I'll attach some example screenshots to illustrate the issue. System info: Operating System: openSUSE Tumbleweed 20190621 KDE Plasma Version: 5.16.0 KDE Frameworks Version: 5.58.0 Qt Version: 5.12.3 Kernel Version: 5.1.7-1-default OS Type: 64-bit Processors: 12 × AMD Ryzen 5 2600X Six-Core Processor Memory: 31,4 GiB
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