On Jan 9, 2008 3:57 PM, Hervé Piedvache <bill.footcow@xxxxxxxxx> wrote: SNIP > 0+0 > Jan 9 20:30:48 db2 kernel: Free swap = 15623168kB > Jan 9 20:30:48 db2 kernel: Total swap = 15623172kB > Jan 9 20:30:48 db2 kernel: Free swap: 15623168kB > Jan 9 20:30:48 db2 kernel: oom-killer: gfp_mask=0x84d0, order=0 > Jan 9 20:30:48 db2 kernel: Mem-info: > Jan 9 20:30:48 db2 kernel: DMA per-cpu: > Jan 9 20:30:48 db2 postgres[7634]: [2-1] LOG: background writer process (PID > 7639) was terminated by signal 9 This makes no sense to me. The OS is showing that there's 16G free swap. Why is it killing things? I'm betting there's some bug with too large of a swap resulting in some kind of wrap around or something. ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster