I've also these freezes on a ubuntu-server running qmail/tcpserver/amavisd/clamav/spamassassin
Normally I didn't get detailed infos in kernel.log, but today I got many log-lines - see the attachement. Maybe these infos help to fix this issue. # uname -a Linux XXXX 2.6.20-16-server #2 SMP Fri Aug 31 01:01:45 UTC 2007 i686 GNU/Linux ** Attachment added: "kernel-log" http://launchpadlibrarian.net/9196597/kernel_log.txt -- Memory related kernel Oops https://bugs.launchpad.net/bugs/134996 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs