On Thu, Nov 03, 2011 at 12:49:13AM +0100, Frank Razenberg wrote: > Thanks for your reply. It seems I'm missing a lot of debug symbols. > I will look into getting a more useful backtrace. > For what it's worth I added the gdb output below. > > -Frank > > # gdb /usr/local/sbin/smartctl ~/smartctl.core > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and > you are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for > details. > This GDB was configured as "amd64-marcel-freebsd"...(no debugging > symbols found)... > Core was generated by `smartctl'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /lib/libcam.so.6...(no debugging symbols > found)...done. > Loaded symbols for /lib/libcam.so.6 > Reading symbols from /usr/lib/libusb.so.2...(no debugging symbols > found)...done. > Loaded symbols for /usr/lib/libusb.so.2 > 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/libc.so.7...(no debugging symbols > found)...done. > Loaded symbols for /lib/libc.so.7 > Reading symbols from /lib/libsbuf.so.6...(no debugging symbols > found)...done. > Loaded symbols for /lib/libsbuf.so.6 > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols > found)...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0x0000000000000000 in ?? () > (gdb) bt > #0 0x0000000000000000 in ?? () > #1 0x0000000000000000 in ?? () > #2 0x0000000000000000 in ?? () > #3 0x0000000000000000 in ?? () > #4 0x0000000000000000 in ?? () > #5 0x0000000000000000 in ?? () > #6 0x0000000000000000 in ?? () > #7 0x0000000000000000 in ?? () > #8 0x0000000000000000 in ?? () > #9 0x0000000000000000 in ?? () > #10 0x0000000000000000 in ?? () > #11 0x0000000000000000 in ?? () > #12 0x0000000000000000 in ?? () > #13 0x0000000000000000 in ?? () > #14 0x0000000000000000 in ?? () > #15 0x0000000000000000 in ?? () > #16 0x0000000000000000 in ?? () > #17 0x0000000000000000 in ?? () > #18 0x0000000000000000 in ?? () > #19 0x0000000000000000 in ?? () > #20 0x0000000000000000 in ?? () > #21 0x0000000000000000 in ?? () > #22 0x0000000000000000 in ?? () > #23 0x0000000000000000 in ?? () > #24 0x0000000000000000 in ?? () > #25 0x0000000000000000 in ?? () > #26 0x0000000000000000 in ?? () > #27 0xffffffff00000000 in ?? () > #28 0x0000000000000000 in ?? () > #29 0x0000000000000000 in ?? () > #30 0x0000000000000000 in ?? () > #31 0x0000000000000000 in ?? () > #32 0x0000000000000000 in ?? () > #33 0x0000000000000000 in ?? () > #34 0x0000000000000000 in ?? () > ---Type <return> to continue, or q <return> to quit---
Is there anything visible further down in the calling frame stack (e.g. past frame #34)? Was this built with clang or gcc? And I assume it was built from source rather than installed via pkg_add? -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB | _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
