https://bugs.kde.org/show_bug.cgi?id=449103
Bug ID: 449103
Summary: Crash on exit
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@davidedmundson.co.uk
Target Milestone: ---
(gdb) bt
#0 0x00007fbbf86bf01b in dri2_wl_release_buffer (user_data=0x55fd6a23ebf0,
buffer=0x55fd6af469c0)
at ../src/egl/drivers/dri2/egl_dri2.c:3235
#1 0x00007fbbf86d07a7 in destroy_buffer (resource=<optimized out>) at
../src/egl/wayland/wayland-drm/wayland-drm.c:48
#2 0x00007fbc0eb54e87 in destroy_resource (element=0x55fd6b238850,
data=<optimized out>, flags=0)
at ../src/wayland-server.c:727
#3 0x00007fbc0eb5b260 in for_each_helper
(func=func@entry=0x7fbc0eb54df0 <destroy_resource>,
data=data@entry=0x7ffe97628014, entries=0x55fd6a399360, entries=<optimized
out>) at ../src/wayland-util.c:376
#4 0x00007fbc0eb5b750 in wl_map_for_each (map=0x55fd6a399360,
func=0x7fbc0eb54df0 <destroy_resource>, data=0x7ffe97628014)
at ../src/wayland-util.c:390
#5 0x00007fbc0eb55919 in wl_client_destroy (client=0x55fd6a399330) at
../src/wayland-server.c:886
#6 0x00007fbc0eb5632e in wl_display_destroy_clients (display=0x55fd69fe1820)
at ../src/wayland-server.c:1459
#7 0x00007fbc0ebfa032 in KWaylandServer::Display::~Display()
(this=0x55fd6a0081d0)
at
/home/david/projects/kde5/src/kde/workspace/kwayland-server/src/server/display.cpp:48
#8 0x00007fbc0f27fe0e in KWin::KWinDisplay::~KWinDisplay()
(this=0x55fd6a0081d0)
at
/home/david/projects/kde5/src/kde/workspace/kwin/src/wayland_server.cpp:92
#9 0x00007fbc0f27fe39 in KWin::KWinDisplay::~KWinDisplay()
(this=0x55fd6a0081d0)
at
/home/david/projects/kde5/src/kde/workspace/kwin/src/wayland_server.cpp:92
#10 0x00007fbc0c79abee in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#11 0x00007fbc0c7a5985 in QObject::~QObject() () at /usr/lib/libQt5Core.so.5
#12 0x00007fbc0f276305 in KWin::WaylandServer::~WaylandServer()
(this=0x55fd69ff5ee0)
I think based on this the order should be:
- wl_display_destroy_clients
- eglTerminate (aka destroying kwin's platform)
- wl_display_destroy
that will also fix another issue I have with closing kwin emitting
Output::~Output on clients.
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