https://bugs.kde.org/show_bug.cgi?id=487571
Bug ID: 487571
Summary: Firefox crashes when Explicit Sync is in use
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/6.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: vas...@gmail.com
Target Milestone: ---
SUMMARY
When launching Firefox in Wayland mode (default nowadays, at least with
Nightly/beta, probably stable too), on kwin 6.0.90.1-1 with Nvidia 555 series
drivers, Firefox crashes very quickly on most web pages. about:support and some
internal pages seem fine. The error message printed in console is from kwin,
however, not Firefox, leading me to report it here. This is also reproducible
in Mutter.
STEPS TO REPRODUCE
1. Install Nvidia 555 series drivers on a system with Nvidia graphics as
primary display (NOT Prime, Nvidia must be in use for the compositor)
2. Launch a plasma wayland session
3. Launch Firefox with MOZ_ENABLE_WAYLAND=1 (default), visit google.com (or
many other pages reproduce)
Setting MOZ_ENABLE_WAYLAND=0 or running a Xorg session works around this.
OBSERVED RESULT
Firefox crashes
EXPECTED RESULT
Firefox not to crash
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: kwin 6.0.90.1-1
(available in About System)
KDE Plasma Version: 6.0.90
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.1
ADDITIONAL INFORMATION
Firefox crashes with:
[GFX1-]: Wayland protocol error: wp_linux_drm_syncobj_surface_v1@66: error 4:
explicit sync is used, but no acquire point is set
This error print is within kwin code, here:
https://invent.kde.org/plasma/kwin/-/blob/master/src/wayland/linux_drm_syncobj_v1.cpp#L164
Also reported to Mozilla and Mutter (and Nvidia by email), since this seems to
reproduce in many areas:
https://bugzilla.mozilla.org/show_bug.cgi?id=1898476
https://gitlab.gnome.org/GNOME/mutter/-/issues/3504
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