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Re: Status of OpenGL on Mac



Hi Mathieu,

On 2019-09-18 08:56:08 +0200 Mathieu Malaterre <malat@debian.org> wrote:



Hi all!

is anybody capable of using OpenGL on their PowerMacs?

Do you mean on your PowerBook G4 ? That's odd it should work. Can you
dump more context, eg, running through gdb or strace.

first, I noticed something very strange: if I connect remotely to the PowerBook, then set DISPLAY :0 which shows things on the screen, glxgears run!

But running it in a real local xterm, doesn't work. This is the crash:

Starting program: /usr/bin/glxgears
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/powerpc-linux-gnu/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
0xb6c2c270 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so
(gdb) bt
#0 0xb6c2c270 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #1 0xb6c2c3e0 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #2 0xb77c0824 in __pthread_once_slow (once_control=0xb7217d74, init_routine=0xb6c2c380) at pthread_once.c:116 #3 0xb6c2c470 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #4 0xb649e7c4 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #5 0xb63ce628 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #6 0xb6496f8c in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #7 0xb6496ce0 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #8 0xb63d1ff0 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so #9 0xb63d0174 in ?? () from /usr/lib/powerpc-linux-gnu/dri/swrast_dri.so
#10 0xb7689cf0 in ?? () from /lib/powerpc-linux-gnu/libGLX_mesa.so.0
#11 0xb76781e0 in ?? () from /lib/powerpc-linux-gnu/libGLX_mesa.so.0
#12 0xb7671b48 in ?? () from /lib/powerpc-linux-gnu/libGLX_mesa.so.0
#13 0xb7672a7c in ?? () from /lib/powerpc-linux-gnu/libGLX_mesa.so.0
#14 0xb790489c in glXChooseVisual () from /lib/powerpc-linux-gnu/libGLX.so.0 #15 0x001e64b0 in glXChooseVisual () from /lib/powerpc-linux-gnu/libGL.so.1
#16 0x00402dc0 in ?? ()
#17 0x004014c8 in ?? ()
#18 0xb7b9cf74 in generic_start_main (main=0x401310, argc=1, argv=0xbffff4c4, auxvec=0xbffff56c, init=<optimized out>, rtld_fini=<optimized out>, stack_end=<optimized out>, fini=<optimized out>) at ../csu/libc-start.c:308 #19 0xb7b9d16c in __libc_start_main (argc=<optimized out>, argv=<optimized out>, ev=<optimized out>, auxvec=<optimized out>,
    rtld_fini=<optimized out>,


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