calcru: runtime went backwards

[Giorgos Keramidas]

On 2006-02-16 01:59, Jiawei Ye <leafy7382 at gmail.com> wrote:
> I still get calcru messages from kernel built with sources 2 hours ago
> cvsupped via cvsup12. When the system is under load, sshd and inetd
> can get these messages and stop responding to any requests. As the
> machine is at a remote site, my original idea was to keep sshd and
> inetd/telnetd running, so that when sshd freezes, I can telnet into
> the machine and restart sshd (from a security point of view, this is a
> bad thing, I know). But to my surprise, after sshd froze, telnetd
> won't respond either. Connection was built successfully but no login
> prompt appeared. At this time, any CGI script that httpd invokes will
> not run. Could this possibly be some problem with the pts code instead
> of the accounting code?

Check with top(1), if you have access to the local machine for the
amount of time spent in `interrupt' handling.  I've seen some very high
interrupt loads with some of the recent kernels, but I'm not sure why
yet.