| Summary: | [wayland] KWin crashes in EglGbm backend when attaching an external monitor with MESA/amdgpu | ||
|---|---|---|---|
| Product: | [Plasma] kwin | Reporter: | Erin of Yukis <erin-kde> |
| Component: | platform-drm | Assignee: | KWin default assignee <kwin-bugs-null> |
| Status: | RESOLVED WORKSFORME | ||
| Severity: | normal | CC: | kde.org |
| Priority: | NOR | ||
| Version First Reported In: | 5.12.5 | ||
| Target Milestone: | --- | ||
| Platform: | Neon | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed/Implemented In: | ||
| Sentry Crash Report: | |||
| Attachments: | sudo sh -c 'gdb --pid "$(pidof kwin_wayland)" --eval-command="continue" --eval-command="thread apply all backtrace full" --eval-command="quit" 2>&1 | tee /home/alexander/kwin2.log' | ||
This issue report is quite old. Can you please confirm, that it still persists with KDE 5.23? Not an issue with Linux 5.12.0-16.2-liquorix-amd64 and current Debian unstable anymore. |
Created attachment 112855 [details] sudo sh -c 'gdb --pid "$(pidof kwin_wayland)" --eval-command="continue" --eval-command="thread apply all backtrace full" --eval-command="quit" 2>&1 | tee /home/alexander/kwin2.log' 1) Start a Plasma session using GDM (SDDM didn't work last time I tried) 2) Switch to another VT and log int 3) Attach debugger to the `kwin_wayland` process 4) Switch back to KDE Plasma 5) Attach an external monitor using HDMI Platform: - Device: Lenovo ideapad Y700-ACZ (Laptop) - GPU: Radeon R9 M280X (BonaireXT) - Kernel: Linux 4.17.0-041700rc6-generic (Ubuntu kernel PPA) - amdgpu driver with amdgpu.dc=1 - Userland: - libgbm1 18.0.4-1 (Debian unstable) - libdrm2 2.4.92-1 (Debian unstable) - libgl1-mesa-dri 10.0.4-1 (Debian unstable) - libqt5* 5.10.0+dfsg-2+16.04+xenial+build46 (Neon user) - kwin-wayland 4:5.12.5-0neon+16.04+xenial+build88 (Neon user) Full GDB trace at time of SIGABRT is included in the attachment.