[kwin] [Bug 438046] kwin_wayland crashed

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=438046

Nate Graham <nate at kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REPORTED                    |NEEDSINFO
            Summary|Dolphin high CPU usage on   |kwin_wayland crashed
                   |login                       |
         Resolution|---                         |BACKTRACE
          Component|general                     |wayland-generic
           Assignee|dolphin-bugs-null at kde.org   |kwin-bugs-null at kde.org
            Product|dolphin                     |kwin
            Version|20.12.3                     |5.21.90
                 CC|                            |nate at kde.org

--- Comment #2 from Nate Graham <nate at kde.org> ---
The crash log only tells us that KWin crashed; sadly it's a known and
unavoidable issue that when kwin_wayland crashes, all apps crash too (see
https://bugreports.qt.io/browse/QTBUG-85631). The app crash logs are not
useful; all they do is tell us that KWin crashed. But we need to know why KWin
crashed. For that, we need a backtrace of the KWin crash itself. You may be
able to retrieve it with `coredumpctl`. See
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports#Retrieving_a_backtrace_using_coredumpctl

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