https://bugs.kde.org/show_bug.cgi?id=478507
Bug ID: 478507
Summary: LabPlot 2.4 crashed after opening .lml file from
Dolphin. May have imported config from latest snap?
Classification: Applications
Product: LabPlot2
Version: 2.4.0
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: alexander.se...@web.de
Reporter: nich...@zoho.com
Target Milestone: ---
Created attachment 164159
--> https://bugs.kde.org/attachment.cgi?id=164159&action=edit
Unmodified report from kcrash, which remained on "sending" for over 30 minutes.
It includes the backtrace at the end
SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug
symbols.
See
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***
(Attaching unmodified report from kcrash, which failed to send. It includes the
backtrace at the end)
STEPS TO REPRODUCE
1. From Dolphin, right click* on a .lml file
2. Select Open With... > LabPlot2**
*if I left-click on it, Ark opens it instead of Labplot2
**On the "Choose Application" dialog, LabPlot2 appears twice: under Education >
Science and under Education > Mathematics. Both entries produce the same result
OBSERVED RESULT
The banner from LabPlot2 appears, but the program does not open and the
"Program crashed" notification appears.
Opening LabPlot2 first, and then opening the file from it, works without
issues.
The file is in a mounted drive outside of /home/, and was created by the same
version of LabPlot2 on the previous day.
EXPECTED RESULT
LabPlot2 should open the file without crashing
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux 5.4.0-150-generic x86_64
Distribution: Ubuntu 18.04.6 LTS
KDE Plasma Version: 5.12.9
KDE Frameworks Version: 5.44.0
Qt Version: 5.9.5
ADDITIONAL INFORMATION
- Custom settings of the application:
- Preferences > General > Startup is set to "Do Nothing" (this was set by
default).
- Only setting I remember changing is: moving the CartesianPlot toolbar to the
left side, and changing it from "Text Position > Icons Only" to a different
setting, and back to "Icons Only" (because it was initially displaying text
despite being set to "Icons Only").
- However, settings may have been imported automatically from a newer app
version (see the last paragraph)
- Plasma added (years ago) after OS install, to have it alongside GNOME (loaded
environment is user-dependent). Bug happened on Plasma. Did not try on GNOME.
- Before installation, I installed the 2.10.0 snap version, but was unable to
save anything to ~/Documents, nor to a mounted drive (also, CAS notebooks did
not appear anywhere except for their tab in "Preferences". Not even the
"configure CAS" entry appeared in "Settings", although later points show traces
of CAS-related tools), so I uninstalled it and went for the (outdated but
functional) regular version.
- All installations and the uninstallation were done through Discover.
- Rebooted after installing 2.10 snap (to try to solve inability to save), but
did not reboot between uninstalling 2.10 snap and installing 2.4 "regular"
version.
- App (2.4) shows the modern ("blackboard") icon on the computer, despite
Discover showing the older ("greenboard") icon for it . May be related to snap
version having been installed before.
- Regarding the previous point, "Configure Toolbars" seems not to show all
toolbars, and has a "CAS Worksheet <LabPlot>" toolbar entry (despite Notebooks
not being on this version). "Configure Shortcuts" also has a "CAS Worksheet"
entry (assigning a combination to it and pressing it did nothing), so config
may have been kept from snap 2.10 version (is that possible?). Restoring
Preferences, toolbar settings and shortcut settings to default configuration
did not revert the situation. However, "Settings > Toolbars shown" does not
show this "CAS Worksheet <LabPlot>" entry, and does show all (existing)
toolbars.
- I believe that I had never installed LabPlot2 on this system before
installing the 2.10 snap.
The crash can be reproduced every time.
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