Maxime Zakharov <maxime@xxxxxxxxxxxx> writes: > I have a problem restarting postgres 8.1.3 running on FreeBSD 5.4 after > a crash. Just after start, postgresql core down, backtrace is following: > Core was generated by `postgres'. > Program terminated with signal 4, Illegal instruction. At a guess, you have a corrupted postgres executable file. Try reinstalling the software. regards, tom lane