Bug 458988

Summary:	Plasma (plasmashell) segmentation fault
Product:	[Plasma] plasmashell	Reporter:	underpinnedd
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED WORKSFORME
Severity:	crash	CC:	kde, nate
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	5.24.6
Target Milestone:	1.0
Platform:	FreeBSD Ports
OS:	FreeBSD
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description underpinnedd 2022-09-11 07:31:25 UTC

Application: plasmashell (5.24.6)

Qt Version: 5.15.5
Frameworks Version: 5.95.0
Operating System: FreeBSD 13.1-RELEASE-p2 amd64
Windowing System: X11
Distribution (Platform): FreeBSD Ports
DrKonqi: 5.24.6 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
Every time I login to KDE after a fresh boot, KDE crashes with a "Plasma (plasmashell) segmentation fault" error. The desktop disappears - no wallpaper or panels are visible. Applications like Konsole, Firefox, Thunderbird continue to run though. 

The only way to get back to normal is to restart Xorg and login to KDE again.

This is on FreeBSD 13.1-RELEASE-p2.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

(lldb) process attach --pid 48636
(lldb) settings set term-width 200
(lldb) thread info
(lldb) bt all

Possible duplicates by query: bug 458927, bug 458852, bug 458841, bug 458829, bug 458807.

Reported using DrKonqi

Comment 1 Nate Graham 2022-09-13 18:41:32 UTC

If something crashed, we need a backtrace of it so we can figure out what's going on. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports.

Can you please attach one? Thanks!

Comment 2 underpinnedd 2022-09-18 08:13:08 UTC

(In reply to Nate Graham from comment #1)
> If something crashed, we need a backtrace of it so we can figure out what's
> going on. See
> https://community.kde.org/Guidelines_and_HOWTOs/Debugging/
> How_to_create_useful_crash_reports.
> 
> Can you please attach one? Thanks!

I've followed the steps from https://community.kde.org/Plasma/Debugging to attach gdb to the plasmashell process and wait for the crash to occur. But it hasn't happened again in the last 7 days.

I assume that the backtrace captured with DrKonqi would have the required crash information. But if that information is not useful, then I'm not sure if there is any meaning to reporting a bug via DrKonqi.

This is the "backtrace" captured by DrKonqi when the crash occurred, before I reported it...

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

(lldb) process attach --pid 48636
(lldb) settings set term-width 200
(lldb) thread info
(lldb) bt all

Comment 3 Nate Graham 2022-09-19 21:28:12 UTC

Darn. Let's close this for now and we can re-open it if you experience the issue again.