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Bug 3012 - GTK apps broken by config tools
Summary: GTK apps broken by config tools
Status: NEW
Alias: None
Product: TDE
Classification: Unclassified
Component: tdebase (show other bugs)
Version: R14.0.x [Trinity]
Hardware: Other Linux
: P5 normal
Assignee: Timothy Pearson
URL:
Depends on:
Blocks:
 
Reported: 2019-04-30 15:22 CDT by Q4OS Team
Modified: 2019-05-12 13:57 CDT (History)
3 users (show)

See Also:
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Description Q4OS Team 2019-04-30 15:22:56 CDT 
After installation I added T/bird and Firefox - which both ran as expected. Although I do not normally use it anymore I decided to install the Control panel utility for configuring GTK applications to check how a GTK theme would behave. I installed "kgtk-qt3-trinity:amd64" package. Following reboot neither Firefox nor Thunderbird would run:

[code]
(thunderbird:947): Gtk-ERROR **: 09:43:41.324: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported
ExceptionHandler::GenerateDump cloned child 969
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
Trace/breakpoint trap
robin@flopsy:~$ firefox

(firefox-esr:1025): Gtk-ERROR **: 09:46:15.111: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported
ExceptionHandler::GenerateDump cloned child 1031
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
Trace/breakpoint trap
robin@flopsy:~$
(crashreporter:1034): Gtk-ERROR **: 09:46:15.230: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported
[/code]

Removing the installed package "kgtk-qt3-trinity:amd64" resolved the problem.

Exact steps to reproduce:
- Fresh TDE stable (14.0.6) installation on Debian Stretch.
- Install "thunderbird" package: sudo apt install thunderbird
- Perform a testing Thunderbird run, it runs fine.
- Install "kgtk-qt3-trinity" package: sudo apt install kgtk-qt3-trinity
- Run Thunderbird once again from terminal
- Bug: Thunderbird doesn't start, prints error messages above
Comment 1 Q4OS Team 2019-04-30 15:28:00 CDT 
In addition, it's required to reboot after kgtk-qt3-trinity installation, so the more precise steps to reproduce the bug are as follows:
- Fresh TDE stable (14.0.6) installation on Debian Stretch
- Install "thunderbird" package: sudo apt install thunderbird
- Perform a testing Thunderbird run, it runs fine.
- Install "kgtk-qt3-trinity" package: sudo apt install kgtk-qt3-trinity
- Reboot
- Run Thunderbird from terminal again
- Bug: Thunderbird doesn't start, prints error messages above
Comment 2 Slávek Banko 2019-05-12 13:57:04 CDT 
The kgtk-qt3-trinity package has always been a source of trouble. Although Michele has made efforts to address key issues, the package remains a source of trouble and we always recommend that you avoid installing the package.

Package kgtk-qt3-trinity is not related to GTK+ theme settings. Here are the gtk-qt-engine-trinity and gtk3-tqt-engine-trinity packages.