This GDB was configured as "i386-redhat-linux"...(no debugging symbols found)...

warning: core file may not match specified executable file.
Core was generated by `/usr/bin/postgres localhost myusername_ommited my_db_ommited SEL'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libcrypt.so.1...done.
Reading symbols from /lib/libnsl.so.1...done.
Reading symbols from /lib/libdl.so.2...done.
Reading symbols from /lib/libm.so.6...done.
Reading symbols from /usr/lib/libreadline.so.3...done.
Reading symbols from /usr/lib/libhistory.so.3...done.
Reading symbols from /lib/libtermcap.so.2...done.
Reading symbols from /usr/lib/libncurses.so.4...done.
Reading symbols from /lib/libc.so.6...done.
Reading symbols from /lib/ld-linux.so.2...done.
Reading symbols from /lib/libnss_files.so.1...done.
#0  0x80611be in nocachegetattr ()
(gdb) bt
#0  0x80611be in nocachegetattr ()
#1  0x808fe41 in ExecEndNode ()
#2  0x80908e4 in ExecEvalExpr ()
#3  0x8090b28 in ExecTargetListLength ()
#4  0x8090cc5 in ExecProject ()
#5  0x8090d69 in ExecScan ()
#6  0x80956d7 in ExecSeqScan ()
#7  0x808f82a in ExecProcNode ()
#8  0x808e945 in ExecCheckPerms ()
#9  0x808e2df in ExecutorRun ()
#10 0x80db1e9 in ProcessPortal ()
#11 0x80db24c in ProcessQuery ()
#12 0x80d9c56 in pg_exec_query_dest ()
#13 0x80d9b33 in pg_parse_and_plan ()
#14 0x80dac24 in PostgresMain ()
#15 0x80c55d2 in PostmasterMain ()
#16 0x80c513e in PostmasterMain ()
#17 0x80c48aa in PostmasterMain ()
#18 0x80c4450 in PostmasterMain ()
#19 0x809d0ce in main ()
(gdb)