The debugging tips for windows here:

http://wiki.inkscape.org/wiki/index.php/Debugging_Inkscape#Debugging_Tips_for_Windows

gives this example (extraneous text removed, program output in []):

gdb
file inkscape.exe inkscape.dbg
run Tekening.svg
[  Program received signal SIGSEGV, Segmentation fault.
   0x005c94ec in Inkscape::UI::Widget::Scalar::setValue () ]
bt
[  #0  0x005c94ec in Inkscape::UI::Widget::Scalar::setValue ()
   #1  0x0044fc11 in Inkscape::CanvasXYGrid::readRepr ()
   #2  0x0044de22 in Inkscape::CanvasXYGrid::onReprAttrChanged () ]

except that is NOT what I see on bt. What I see is always something
like this:

(gdb) bt
#0  0x7c912669 in stricmp () from C:\WINDOWS\system32\ntdll.dll
#1  0x7c911649 in ntdll!RtlInitializeHandleTable () from
C:\WINDOWS\system32\ntdll.dll
#2  0x7c91911f in ntdll!RtlRealPredecessor () from
C:\WINDOWS\system32\ntdll.dll
#3  0x044bc000 in ?? ()
#4  0x00016000 in ?? ()
#5  0x000000f7 in ?? ()
#6  0x7c912482 in stricmp () from C:\WINDOWS\system32\ntdll.dll
#7  0x77c2c3c9 in msvcrt!free () from C:\WINDOWS\system32\msvcrt.dll
#8  0x003f0000 in ?? ()
#9  0x00000000 in ?? ()
(gdb)

Which is pretty useless.  The Tips says that compiling with -g is not
required.  Is there some
magic gdb incantation that must be applied to enable bt to show
something useful, specifically, the
names of the methods?

Thank you,

David Mathog
mathog@...1176...
Manager, Sequence Analysis Facility, Biology Division, Caltech

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