Bug found via FXGLViewer::pick()

David Vereb <[email protected]>
Newsgroups gmane.comp.lib.fox-toolkit.user
Message-ID <[email protected]>
Hello everyone,

I've encountered a bug after updating my Ubuntu 22.04 installation.  Our 
code works on Ubuntu kernel 5.15.0-56-generic, but not on 
5.15.0-58-generic or 5.15.0-60-generic.  I understand that this is 
likely not a bug in Fox Toolkit, but I don't know how to further 
investigate and was hoping someone here could provide assistance (or at 
least lead me in the right direction).

Please see https://github.com/dvereb/fox-pick-bug for a minimum viable 
example.  I've included a backtrace where my program segfaults in the 
README, and it's simple enough to install & run via make && ./a.out.  
Note that I'm on fox-1.6.57-1build1 in the Ubuntu repository.

If there's anything else you need me to look up & respond back with, 
please let me know.  I've tried this on multiple machines with the same 
hardware: Intel(R) Core(TM) i3-10100 CPU with onboard graphics.

I'm headed out for the weekend, so I will not be able to try anything 
until Monday, but I was hoping if I posted it now it might get a couple 
eyeballs on it before then and someone might happen to have the same 
type of setup as I do.  If you could give it a quick run (especially if 
you're on 5.15.0-58 or higher!) I would greatly appreciate it.

Thanks,

Dave

-- 

David Vereb
/Lead Software Developer/
Office: 814.464.1525
1851 Rudolph Avenue
Erie, PA 16502
www.eriestrayer.com <http://www.eriestrayer.com/>
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