I tested again with Centos 5.1 (Red Hat Enterprise Linux 5.1). The problem does not exist there. So this definitely seems to be an Ubuntu specific problem.
-- Hardy kernel: single thread performance on dual core much worse than with maxcpus=1 https://bugs.launchpad.net/bugs/212201 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs