Hi, > Have there been any changes to OpenGL libraries in 32-bit cygwin in the last > six months?
i also have another OpenGL app crashing. glxinfo reports wrong Video memory size. glxgears raises SIGSEGV under swrast_dri.so. i could not reach exact crash point, b/c dri-drivers looks having no debuginfo package ATM. maybe, mesa (or something for GLX) is simply broken? Peace, ----- $ uname -a CYGWIN_NT-10.0-WOW lynx 2.5.1(0.297/5/3) 2016-04-21 22:12 i686 Cygwin $ cygcheck.exe -c dri-drivers mesa mesa-demos xorg-server Cygwin Package Information Package Version Status dri-drivers 11.2.2-1 OK mesa 11.2.2-1 OK mesa-demos 8.3.0-1 OK xorg-server 1.18.2-1 OK $ glxinfo | grep -e 'Video memory:' Video memory: -113MB $ gdb glxgears ... Reading symbols from glxgears...Reading symbols from /usr/lib/debug//usr/lib/mesa-demos/glxgears.exe.dbg...done. done. (gdb) r Starting program: /usr/bin/glxgears [New Thread 2452.0xc3c] [New Thread 2452.0x2760] [New Thread 2452.0x212c] [New Thread 2452.0x1930] [New Thread 2452.0x207c] [New Thread 2452.0x22e4] [New Thread 2452.0x25dc] [New Thread 2452.0x19ec] Program received signal SIGSEGV, Segmentation fault. 0xfeac00b5 in ?? () (gdb) bt #0 0xfeac00b5 in ?? () #1 0x5e62b977 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #2 0x5e62bcff in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #3 0x5e54ea9d in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #4 0x5e5477ed in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #5 0x5e547c77 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #6 0x5e6714d5 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #7 0x5e3697d0 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #8 0x5e344ea7 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #9 0x5e20cf7e in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #10 0x5e220edc in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #11 0x00401396 in draw () at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:264 #12 0x0040315e in draw_gears () at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:316 #13 draw_frame (ctx=0x20052e98, win=14680066, dpy=0x2003c330) at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:341 #14 event_loop (ctx=0x20052e98, win=14680066, dpy=0x2003c330) at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:706 #15 main (argc=1, argv=0x60cc5c) at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:801 (gdb) -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple