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Kstars crashes when using "Find Object" button

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Kstars crashes when using "Find Object" button was created by contactlight

Hello, I have been observing some strange crashing behavior in Kstars when I try to use any of the search functionality (Ctrl+F, "Find Object" button, etc). The entire application crashes immediately when I attempt to search - directly from Kstars, inside Ekos from the mount control panel, when setting up a job, etc. I have tried completely purging/reinstalling Kstars with no success. I am on the latest kstars-bleeding release (3.6.7), but I have been having this issue since 3.6.6.
$ apt-cache policy kstars-bleeding
kstars-bleeding:
  Installed: 6:3.6.7+202309302007~ubuntu23.04.1
  Candidate: 6:3.6.7+202309302007~ubuntu23.04.1
  Version table:
 *** 6:3.6.7+202309302007~ubuntu23.04.1 500
        500 https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu lunar/main amd64 Packages
        100 /var/lib/dpkg/status
$ uname -a
Linux beelink-mini-s 6.4.0-060400-generic #202306271339 SMP PREEMPT_DYNAMIC Tue Jun 27 14:26:34 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

This is running on an Intel N100-powered mini PC on Ubuntu 23.04, with a mainline kernel. Could this be an Ubuntu version issue? Attached are ekosdebugger logs as well as a video of the issue in action. Please let me know if there's any more information I can provide!

File Attachment:

File Name: kstars_log...ject.zip
File Size:2 KB

File Attachment:

File Name: kstars_log...arch.zip
File Size:3 KB
beelink-mi...2.06.mp4
6 months 3 weeks ago #96207
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Replied by maxthebuilder on topic Kstars crashes when using "Find Object" button

I often have this crash on Windows client connected to Mele Stellarmate X.
Started to happen 2-3 months ago.
Usually, KStars crashes on the first try but after KStars restart Find Object works.
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6 months 3 weeks ago #96210

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Replied by contactlight on topic Kstars crashes when using "Find Object" button

Strange, it consistently crashes for me, even after restarting Kstars or rebooting completely. I'd say it only works correctly about 5% of the time. But that's interesting that it's not localized to just my platform, then. I can try building it from source with -DCMAKE_BUILD_TYPE=Debug to see if that provides any more useful logging.

EDIT Building Kstars from Git seemed to resolve the issue: invent.kde.org/education/kstars#building. I am now on 3.6.8 beta, fwiw; unfortunately I'm not sure what the problem was in the first place.
Last edit: 6 months 3 weeks ago by contactlight.
6 months 3 weeks ago #96227

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Replied by tkakura on topic Kstars crashes when using "Find Object" button

This bug is reproduced in KStars 3.6.8 Stable Build: 2023-12-03T03:33:36Z on Windows.
I would like to see this fixed as it is very damaging when KStars crashes while preparing an observation.
4 months 3 weeks ago #97427

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Replied by Jasem Mutlaq on topic Kstars crashes when using "Find Object" button

I could not reproduce it on Windows. Please let us know the root cause if you find it.
4 months 3 weeks ago #97430

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Replied by tkakura on topic Kstars crashes when using "Find Object" button

Can you please tell me what source code and functions this issue might be related to, such as the code that is called after clicking the "Find Object" button in KStars?

I see that finddialog.cpp is the source code for Find Object.

When I run KStars on the debugger, this issue has never been reproduced and is difficult to investigate.
Usually such issues occur when there is a lack of initialization, but so far it doesn't look like that...
Last edit: 4 months 3 weeks ago by tkakura.
4 months 3 weeks ago #97432

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