I'm also getting segfaults from apropos (from man-db 2.3.20-18) when an argument is specified, but only with libc6 2.3.1-3 installed (it works fine with 2.2.5-15). Backtrace from coredump: erdos:~> gdb /usr/bin/apropos core gdb: Symbol `emacs_ctlx_keymap' has different size in shared object, consider re-linking GNU gdb 2002-04-01-cvs Copyright 2002 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 "i386-linux"...(no debugging symbols found)... Core was generated by `apropos apropos'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/libdb2.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libdb2.so.2 Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/ld-linux.so.2 #0 0x400c89e3 in re_exec () from /lib/libc.so.6 (gdb) backtrace #0 0x400c89e3 in re_exec () from /lib/libc.so.6 #1 0x400c87c3 in re_exec () from /lib/libc.so.6 #2 0x400c3ae3 in re_exec () from /lib/libc.so.6 #3 0x400c31f2 in regexec () from /lib/libc.so.6 #4 0x080497a2 in strcpy () #5 0x08049903 in strcpy () #6 0x08049c05 in strcpy () #7 0x08049f93 in strcpy () #8 0x4002f9d3 in __libc_start_main () from /lib/libc.so.6 -- Zed Pobre <firstname.lastname@example.org> a.k.a. Zed Pobre <email@example.com> PGP key and fingerprint available on finger; encrypted mail welcomed.
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