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[fltk/fltk] FLTK crashes on Apple M1 (Issue #373)

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[fltk/fltk] FLTK crashes on Apple M1 (Issue #373) "Pierre Ossman (Work account)" Jan 18, 2022  
 

We're seeing constant crashes when running FLTK 1.3.7 on a M1 processor. FLTK 1.3.5 works just fine though. This is with an x86_64 process being run through Rosetta. It's unknown if a native compiled binary has the same issues.

We're currently debugging this so I'll ask for your patience in more details. I wanted to file the issue right away in case you are considering doing a 1.3.9 and it might be worth waiting for a fix here.

What we can see is that the crash happens in graphics operations, but the stack is pretty devoid of FLTK calls, so there is some delay to things. We're also getting lots of warnings about invalid graphics context when running things under lldb.

46235ff touches a lot of the graphics stuff, so that's probably where we'll focus our investigation at first.


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