On Oct 7, 2010, at 3:25 PM, Kevin Tew wrote: > I should have added that the student also needs to type > gdb> backtrace > to get a full backtrace. > > a full backtrace will be more informative.
Duh, yes.
Here's the student's backtrace. And yes, I now see that it *does* look like
the font issue that Matthew mentioned. Are there any known workarounds? Add
fonts? Remove fonts? Move to a different font manager?
John
cc: Tony Miller
(gdb) bt
#0 0x00007ffff5e72ba5 in raise (sig=<value optimized out>)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1 0x00007ffff5e766b0 in abort () at abort.c:92
#2 0x000000000074b84b in fault_handler (sn=2201, si=0xaf26f0, ctx=0x6)
at ../../../racket/gc2/sighand.c:93
#3 <signal handler called>
#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
#11 0x00000000004ae725 in wxGetGLCanvasVisual (cfg=0x0)
at ../../../gracket/gc2/../../wxxt/src/DeviceContexts/WindowDC.cc:3576
#12 0x00000000004a3963 in wxCanvas::Create (this=<value optimized out>, panel=
0x7ffff31ea9c0, x=<value optimized out>, y=<value optimized out>,
width=30, height=30, style=67240064, name=0x7ffff2dfb178 "", gl_cfg=0x0)
at ../../../gracket/gc2/../../wxxt/src/Windows/Canvas.cc:146
#13 0x00000000004a3e75 in wxCanvas::gcInit_wxCanvas (
---Type <return> to continue, or q <return> to quit---
this=<value optimized out>, parent=0x7ffff31ea9c0, x=-1, y=-1,
width=<value optimized out>, height=<value optimized out>, style=67240064,
name=0x7ffff2dfb178 "", gl_cfg=0x0)
at ../../../gracket/gc2/../../wxxt/src/Windows/Canvas.cc:61
#14 0x00000000004cd2dc in os_wxCanvas_ConstructScheme (n=9, p=0x7ffff3b94d18)
at ../../../gracket/gc2/../wxs/wxs_cnvs.cxx:1396
#15 0x00000000005675db in scheme_do_eval (obj=0x7ffff3b26d68, num_rands=9,
rands=0x7ffff3b94d18, get_value=1)
at ../../../racket/gc2/../src/eval.c:9225
#16 0x00007ffff7ff5c19 in ?? ()
#17 0x00007fffffffbd60 in ?? ()
#18 0x00007ffff52f4778 in ?? ()
#19 0x00007fffffffb338 in ?? ()
#20 0x0000000000000009 in ?? ()
#21 0x0000000000000007 in ?? ()
#22 0x00007ffff3b94de8 in ?? ()
#23 0x00007ffff1bb2bb0 in ?? ()
#24 0x00007ffff3b94d30 in ?? ()
#25 0x00007fffffffb3b0 in ?? ()
#26 0x00007ffff31335fa in ?? ()
#27 0x0000000000620370 in ?? () at ../../../racket/gc2/../src/list.c:1219
#28 0x00007ffff3ea5b2d in ?? ()
#29 0x00007fffffffbd60 in ?? ()
---Type <return> to continue, or q <return> to quit---
#30 0x00007ffff52f4778 in ?? ()
#31 0x00007fffffffb398 in ?? ()
#32 0x00007fffffffb368 in ?? ()
#33 0x0000000000000007 in ?? ()
#34 0x00007ffff3b95018 in ?? ()
#35 0x00007ffff2abf488 in ?? ()
#36 0x00007ffff3b94db8 in ?? ()
#37 0x00007fffffffb410 in ?? ()
#38 0x00007ffff31335fa in ?? ()
#39 0x00007fffffffb410 in ?? ()
#40 0x00007ffff0ae05b0 in ?? ()
#41 0x00007fffffffbd60 in ?? ()
#42 0x00007ffff52f4778 in ?? ()
#43 0x0000000000000000 in ?? ()
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