[dan@laptop:~] $ gdb ~/opera/share/opera/bin/opera ./tmp/opera-9.50-20080229.1-shared-qt.amd64.freebsd-1834/opera.core
GNU gdb 6.1.1 [FreeBSD]
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This GDB was configured as "amd64-marcel-freebsd"...(no debugging symbols found)...
Core was generated by `opera'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/local/lib/libqt-mt.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libqt-mt.so.3
Reading symbols from /usr/local/lib/libX11.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libX11.so.6
Reading symbols from /usr/local/lib/libXext.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXext.so.6
Reading symbols from /usr/local/lib/libSM.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libSM.so.6
Reading symbols from /usr/local/lib/libICE.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libICE.so.6
Reading symbols from /usr/local/lib/compat//libz.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/compat//libz.so.3
Reading symbols from /usr/local/lib/compat//libstdc++.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/compat//libstdc++.so.5
Reading symbols from /usr/local/lib/compat//libm.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/compat//libm.so.4
Reading symbols from /usr/local/lib/compat//libpthread.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/compat//libpthread.so.2
Reading symbols from /usr/local/lib/compat//libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/compat//libc.so.6
Reading symbols from /usr/local/lib/libaudio.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libaudio.so.2
Reading symbols from /usr/local/lib/libXt.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXt.so.6
Reading symbols from /usr/local/lib/libmng.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libmng.so.1
Reading symbols from /usr/local/lib/libjpeg.so.9...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libjpeg.so.9
Reading symbols from /usr/local/lib/libpng.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libpng.so.5
Reading symbols from /lib/libz.so.4...(no debugging symbols found)...done.
Loaded symbols for /lib/libz.so.4
Reading symbols from /usr/local/lib/libXi.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXi.so.6
Reading symbols from /usr/local/lib/libXrender.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXrender.so.1
Reading symbols from /usr/local/lib/libXrandr.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXrandr.so.2
Reading symbols from /usr/local/lib/libXcursor.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXcursor.so.1
Reading symbols from /usr/local/lib/libXinerama.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXinerama.so.1
Reading symbols from /usr/local/lib/libXft.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXft.so.2
Reading symbols from /usr/local/lib/libfreetype.so.9...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libfreetype.so.9
Reading symbols from /usr/local/lib/libfontconfig.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libfontconfig.so.1
Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/libm.so.5...(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.5
Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/libthr.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /usr/local/lib/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXau.so.6
Reading symbols from /usr/local/lib/libXdmcp.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXdmcp.so.6
Reading symbols from /usr/lib/librpcsvc.so.4...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/librpcsvc.so.4
Reading symbols from /usr/local/lib/liblcms.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/liblcms.so.1
Reading symbols from /usr/local/lib/libXfixes.so.3...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libXfixes.so.3
Reading symbols from /usr/local/lib/libexpat.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libexpat.so.6
Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 0x0000000803c0a58e in pthread_attr_setschedparam () from /lib/libthr.so.3
[New LWP 100141]
(gdb) bt
#0 0x0000000803c0a58e in pthread_attr_setschedparam () from /lib/libthr.so.3
#1 0x000000080179eae3 in QRealMutexPrivate::QRealMutexPrivate () from /usr/local/lib/libqt-mt.so.3
#2 0x000000080179eb4f in QMutex::QMutex () from /usr/local/lib/libqt-mt.so.3
#3 0x000000080154643a in insert_tree () from /usr/local/lib/libqt-mt.so.3
#4 0x000000080154659a in QObject::QObject () from /usr/local/lib/libqt-mt.so.3
#5 0x0000000801518402 in QGuardedPtrPrivate::QGuardedPtrPrivate () from /usr/local/lib/libqt-mt.so.3
#6 0x00000008014a0b4f in __static_initialization_and_destruction_0 () from /usr/local/lib/libqt-mt.so.3
#7 0x0000000801859d27 in __do_global_ctors_aux () from /usr/local/lib/libqt-mt.so.3
#8 0x0000000801467e66 in _init () from /usr/local/lib/libqt-mt.so.3
#9 0x00007fffffffe6e0 in ?? ()
#10 0x00000008010d31f2 in dlsym () from /libexec/ld-elf.so.1
#11 0x00000008010d43e1 in dlopen () from /libexec/ld-elf.so.1
#12 0x00000008010cf379 in ?? () from /libexec/ld-elf.so.1
#13 0x0000000000000000 in ?? ()
#14 0x0000000000000000 in ?? ()
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000003 in ?? ()
#17 0x00007fffffffe9d0 in ?? ()
#18 0x00007fffffffe9f6 in ?? ()
#19 0x00007fffffffe9fd in ?? ()
#20 0x0000000000000000 in ?? ()
---Type <return> to continue, or q <return> to quit---