Bug 445788

Summary:	Crash on all Qt Applications while using Breeze Application Style
Product:	[Plasma] Breeze	Reporter:	ryu.ketsueki
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	nate
Priority:	NOR
Version:	master
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	System Settings crash related to this report Same as the previous backtrace but with dolphin instead

Description ryu.ketsueki 2021-11-20 05:12:43 UTC

SUMMARY
No backtrace unfortunately because even Dr Konqi is crashing.

What happened is that for some time, I wasn't using Breeze directly but actually forks which are being compiled locally, like ClassikStyles and Lightly. It is probably because I was using them, that I didn't realize how broken breeze was. I enabled it once to try replicate another bug I found but then all applications or anything really that would use Breeze in context menus or another form, crash immediately. It also applied to Latte Dock, from all things. I'm on the KDE Unstable repos for openSUSE since it's easier to test it that way. I want to generate a backtrace to see how I can make this bug report more useful but without Dr Konqi or the assistant to install debug symbols, I'm not sure how to do that

System is still usable if I'm using another Widget Style like the ones I cited above but otherwise... I don't know what could have happened. Not sure if could have been old config files either because I haven't swapped home directories ever since I started using this computer about a year ago

Comment 1 Nate Graham 2021-11-23 23:23:25 UTC

YOu can get a backtrace using `gdb` manually. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports for how.

Comment 2 Bug Janitor Service 2021-12-08 04:35:41 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

Comment 3 ryu.ketsueki 2021-12-08 20:54:48 UTC

I've tried obtaining a backtrace with drkonqi, since some attempts do keep it running but it says the debugger has quit unexpectedly. Other times it takes an exceedingly long time and a backtrace is not generated. Then I tried running gdb manually with system settings, which is one of the apps that crash almost immediately after launching. After typing the backtrace command, it displayed "No stack". The same appeared for dolphin and latte-dock, which also crash in similar situations. Latte does not even display. Dolphin crashes whenever a context menu is open. System Settings may or not crash, depending on what is happening. This allows me to switch off from Breeze after some persistence.

I'll keep insisting with Dr Konqi and see if it spits a backtrace without crashing first, unless there is something about gdb that I'm missing

Comment 4 ryu.ketsueki 2021-12-08 22:05:28 UTC

Created attachment 144363 [details]
System Settings crash related to this report

Attaching a backtrace made by drkonqi after some persistence

Comment 5 ryu.ketsueki 2021-12-08 22:06:15 UTC

Created attachment 144364 [details]
Same as the previous backtrace but with dolphin instead

Another backtrace but under different circumstances, in case the previous one is not enough

Comment 6 Nate Graham 2021-12-09 17:38:11 UTC

Thanks, that's helpful!

*** This bug has been marked as a duplicate of bug 444519 ***