https://bugs.kde.org/show_bug.cgi?id=424307
Bug ID: 424307
Summary: Kwin segfault on initial log-in
Product: kwin
Version: 5.19.3
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: hugh.kerno...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.19.3)
(Compiled from sources)
Qt Version: 5.15.0
Frameworks Version: 5.72.0
Operating System: Linux 5.7.8-arch1-1 x86_64
Windowing system: X11
Distribution: "Arch Linux"
-- Information about the crash:
- What I was doing when the application crashed:
Logging in to a test Plasma desktop built from source, using a custom session
- Custom settings of the application:
KDE Frameworks and Workspace built from source by kdesrc-build on 15 July,
into a discrete tree. QT 5.15 not built separately but using /usr/lib
installation from my main user set-up.
After the crash both monitors are black with a functioning mouse pointer. From
a tty log-in, Journalctl shows that the remainder of the Plasma desktop started
normally. The X server is still running but attempts to re-start kwin with
DISPLAY=0: kwin_x11 fail with a fatal error and unable to open display. pkill
-u ... clears the black screens and returns to sddm for graphical log-in.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
[KCrash Handler]
#4 0x00007f0b6c7c7144 in xcb_send_request_with_fds64 () at
/usr/lib/libxcb.so.1
#5 0x00007f0b6c7c76ba in xcb_send_request () at /usr/lib/libxcb.so.1
#6 0x00007f0b6c7cdfd2 in xcb_intern_atom_unchecked () at /usr/lib/libxcb.so.1
#7 0x00005643ddbe456c in KWin::KWinSelectionOwner::make_selection_atom(int)
(this=0x5643de3d57d0, screen_P=0) at
/home/hugh_coder2/kde/src/kwin/main_x11.cpp:164
#8 0x00005643ddbe41a9 in KWin::KWinSelectionOwner::KWinSelectionOwner(int)
(this=0x5643de3d57d0, screen=0) at
/home/hugh_coder2/kde/src/kwin/main_x11.cpp:119
#9 0x00005643ddbe04ae in KWin::ApplicationX11::performStartup()
(this=0x7ffec144e1f0) at /home/hugh_coder2/kde/src/kwin/main_x11.cpp:219
#10 0x00005643ddbe1e9d in main(int, char**) (argc=3, argv=0x7ffec144e378) at
/home/hugh_coder2/kde/src/kwin/main_x11.cpp:477
[Inferior 1 (process 18456) detached]
Possible duplicates by query: bug 414359, bug 403933, bug 364121, bug 363251,
bug 349023.
Reported using DrKonqi
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