On Oct 7, 2010, at 4:45 PM, Matthew Flatt wrote: > At Thu, 7 Oct 2010 16:23:33 -0700, John Clements wrote: >> Here's the student's backtrace. And yes, I now see that it *does* look like >> the font issue that Matthew mentioned. > > Actually, this looks more like an OpenGL issue. I don't have any > immediate ideas, but that's a new lead. > > >> #4 0x00007ffff7e5838e in XF86DRIQueryVersion () from >> /usr/lib/fglrx/libGL.so.1 >> #5 0x00007ffff7e58529 in XF86DRIQueryExtension () >> from /usr/lib/fglrx/libGL.so.1 >> #6 0x00007ffff7e57e3c in ?? () from /usr/lib/fglrx/libGL.so.1 >> #7 0x00007ffff7e3751f in ?? () from /usr/lib/fglrx/libGL.so.1 >> #8 0x00007ffff7e338d1 in ?? () from /usr/lib/fglrx/libGL.so.1 >> #9 0x00007ffff7e33aae in glXChooseVisual () from /usr/lib/fglrx/libGL.so.1 >> #10 0x00000000004adbce in GetWindowVisual (cfg=0x7ffff2dfb850, >> offscreen=0 '\000') >> at ../../../gracket/gc2/../../wxxt/src/DeviceContexts/WindowDC.cc:3459
Thanks for your help. Tony now reports: On Oct 13, 2010, at 10:00 PM, amille49 wrote: > DrRacket runs fine now for me on 64 Bit Ubuntu. I just did a clean > install. I had been getting seg faults and the culprit seems to be my > graphics driver which was all messed up. John Clements
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