W dniu 7 grudnia 2009 17:43 użytkownik Greg Smith <g...@2ndquadrant.com>napisał:
> Filip Rembiałkowski wrote: > > 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*"). > > Random segfaults only under heavy load with corrupted pages afterwards > normally means bad RAM. I'd suggest a round of memtest86+ on the system if > it's PC hardware. > Just a note for all other who may encouter this problem: This was not a vanilla Ubuntu - this was vendor-modified version, witch custom grsecurity patched kernel and probably with custom patched libc. # uname -a Linux nsXXXXXX.ovh.net 2.6.31.5-grsec-xxxx-grs-ipv4-64 #2 SMP Thu Nov 5 12:36:20 UTC 2009 x86_64 GNU/Linux -- Filip Rembiałkowski JID,mailto:filip.rembialkow...@gmail.com http://filip.rembialkowski.net/