[Octave-bug-tracker] [bug #44478] test __osmesa_print__.cc-tst crashes on Ubuntu with Nvidia drivers

[Andreas Weber]

Follow-up Comment #52, bug #44478 (project octave):

@Michael: I always run "sombrero" before testing, shouldn't create this a
valid context? Do you think the output below is due to a threading problem?

With Riks patch I get a segfault with qt, fltk runs fine:


>> octave_config_info.features.OSMESA
ans = 0
>> graphics_toolkit qt
>> sombrero
>> simple_gl_oct

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f9fbe3c4700 (LWP 6939)]
0x00007f9fd66f5569 in glGetIntegerv () from /usr/lib/libGL.so.1
(gdb) bt
#0  0x00007f9fd66f5569 in glGetIntegerv () from /usr/lib/libGL.so.1
#1  0x00007f9fdb8f8c49 in Fsimple_gl_oct (args=...)
    at ../../octave-src/libinterp/corefcn/simple_gl_oct.cc:18

>> octave_config_info.features.OSMESA
ans = 0
>> graphics_toolkit fltk
>> sombrero
>> simple_gl_oct
GL_DEPTH_BITS = 24
ans =  24


Same with FLTK


>> octave_config_info.features.OSMESA
ans = 0
>> graphics_toolkit fltk
>> sombrero
>> simple_gl_oct
GL_DEPTH_BITS = 24
ans =  24


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