"Tass Chapman" <tasseh.postgres@xxxxxxxxx> writes: > Since Monday I have been seeing "terminated by signal 11" messages > in my 7.4.6 + Slon 1.0.5 system,. but only on the master This kind of thing is almost always a hardware problem. 'memtest86' is probably a good first step, and see if any of your cooling fans hanve stopped working. -Doug