[Gambas-user] [CRASH REPORT] WinPin

Sun Oct 8 21:25:06 CEST 2023

On 10/8/23 14:10, Martin Fischer wrote:
>>
>> Your project uses the gb.gui component. So, when running on Cinnamon
>> desktop as you are, it would use GTK. And, when running on the KDE
>> desktop as I do, it would use Qt.
>>
>> As a test, I switched to using the gb.gtk3 component in the project
>> instead of gb.gui. After launching Lazarus in multi-window mode, I could
>> no longer bring up the WinPin UI by clicking on the sys-tray icon. And,
>> upon closing Lazarus, I got the same error as you (with the exception of
>> "serial 2601"):
>> ~~~
>> (WinPin:11659): Gdk-ERROR **: 12:06:09.436: The program 'WinPin'
>> received an X Window System error.
>> This probably reflects a bug in the program.
>> The error was 'BadWindow (invalid Window parameter)'.
>>    (Details: serial 2601 error_code 3 request_code 20 (core protocol)
>> minor_code 0)
>>    (Note to programmers: normally, X errors are reported asynchronously;
>>     that is, you will receive the error a while after causing it.
>>     To debug your program, run it with the GDK_SYNCHRONIZE environment
>>     variable to change this behavior. You can then get a meaningful
>>     backtrace from your debugger if you break on the gdk_x_error()
>> function.)
>> ~~~
>>
>> So, it's a GTK issue, or an issue with the Gambas GTK interface.
>>
> 
> I checked using gb.gui.qt and it worked without crash. Great.
> 
> But then I turned jit-compilation on again (which I disabled for testing).
> Bang! I got a segmentation fault.
> 
> So: yes, qt helps, but I think there is still something fishy here...
> 
> I attached the project with qt and jit enabled.
> Note that for me it's the 'Fast' on WindowList::Merge() that triggers
> the segfault. Remove that Fast and no crash happens.
> 
> ?Puzzled?
> Martin

I don't know if this is good news or bad news, Martin, but I get no crash even with Fast on WindowList::Merge().

I tried it running both from the IDE and with a compiled executable on the command line. I can pin and unpin Lazarus windows. 
The only output I get on the command line is a *bunch* of "gb.qt5: warning: unhandled xcb event".

-- 
Lee

[System]
Gambas=3.18.4 07c51f51 (stable)
OperatingSystem=Linux
Distribution=openSUSE Leap 15.5
Kernel=5.14.21-150500.55.28-default
Architecture=x86_64
Cores=6
Memory=15981M
Language=en_US.UTF-8
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clang=clang version 15.0.7
gcc=gcc (SUSE Linux) 7.5.0
git=git version 2.35.3
pngquant=2.11.2 (November 2017)
trans=[1mTranslate Shell       0.9.7

[Libraries]
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Poppler=/usr/lib64/libpoppler.so.126.0.0
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