hello, from kernel log:
Dec 7 07:24:45 nsXXXXXX kernel: postgres[22481]: segfault at 7fda5e1d5000 ip 00007fda604553c3 sp 00007fffe41faf28 error 4 in libc-2.9.so [7fda603d1000+168000] Dec 7 07:24:45 nsXXXXXX kernel: grsec: From XX.YY.ZZ.51: Segmentation fault occurred at 00007fda5e1d5000 in /usr/lib/postgresql/8.3/bin/postgres[postgres:22481] uid/euid:103/103 gid/egid:114/114, parent /usr/lib/postgresql/8.3/bin/postgres[postgres:29857] uid/euid:103/103 gid/egid:114/114 This is on 8.3.8, latest Ubuntu distribution, server under quite heavy load. afterwards we had some corrupted pages ("*ERROR: compressed data is corrupt* "). any clues / directions welcome. -- Filip Rembiałkowski JID,mailto:filip.rembialkow...@gmail.com http://filip.rembialkowski.net/