[Bug 107058] [Wayland] plasmashell gets SIGSEGV after clicking on Application Menu for second time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107058

--- Comment #7 from magiblot <magiblot at hotmail.com> ---
Well, that's a lot of applications I would have to install to follow your
steps, so I suggest that you get a gdb backtrace to determine if it's the same
issue.

Forget the command I said, that's not the good one. In my case, the screen
freezes instead of bringing me back to the console. So, it should be easier
with these steps:

0. Add the kernel parameter 'sysrq_always_enabled=1' to the boot manager**.
1. Run 'startplasmacompositor'
2. In a terminal, run 'killall plasmashell'
3. Change to a tty, log in to your user and run 'env DISPLAY=:0 gdb
plasmashell'
4. In the gdb prompt, run 'set logging on'.
5. Then start plasmashell with 'run'.
6. Switch back to Plasma 5 with the proper Alt+F? key combination.
7. After some seconds, the task bar will become visible again.
8. Reproduce the crash.
9. If the screen is frozen, press Alt+SysRq+R (unraw keyboard) two times, and
then switch to the tty where gdb is running.
10. gdb should have noticed about the crash. Run 'bt'. Because of step 4, this
has been saved to 'gdb.txt' in your home directory.

**In my case this is done by adding that as the last option in the
GRUB_CMDLINE_LINUX_DEFAULT string of /etc/default/grub. To update the boot
settings, I have to run 'sudo grub-mkconfig -o /boot/grub/grub.cfg' and reboot
the system.

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