[ale] load issue

[David Corbin]

On Friday 23 June 2006 05:05 pm, Jerry Yu wrote:
> for sshd debugging, run sshd in debug & verbose mode. 'ltrace' sshd if
> necessary

Where do I find ltrace?

>
> On 6/23/06, Tim Meanor <timothy at meanor.net> wrote:
> > Have you checked for zombies or lots of processes in the run queue?
> > (Top should show you all of those).  Any swapping going on?  Where
> > are you ssh'ing from?  Behind the firewall or is the firewall between
> > you and the system?  Check the log file /var/log/secure for any
> > messages from sshd that might hint as to why ssh is hanging.
> >
> > -Tim
> >
> > On Jun 22, 2006, at 9:31 PM, David Corbin wrote:
> > > On Wednesday 21 June 2006 07:49 pm, David Corbin wrote:
> > >> I have box that is getting "loads" in the 4-5 range, but when I
> > >> run top,
> > >> it's 97.5% idle, and there are not 5 jobs that list a %CPU > 0.0.
> > >>
> > >> When I login to the box, it's very responsive.  But, when I ssh to
> > >> it, I
> > >> never get any response.  It doesn't fail, just hangs.
> > >>
> > >> This box is inside my firewall, so while it's possibly that it's been
> > >> hacked, I think it "not likely" (and I certainly hope it hasn't
> > >> been).
> > >
> > > Update:
> > >
> > > In addition to ssh not working, it doesn't seem to respond well to
> > > DNS queries
> > > (which it normally does).  But, networking in general seems to be
> > > working.
> > >
> > > I rebooted the system, and with an hour LA had hit 4 again.  This
> > > system
> > > really doesn't do anything, so theres just no reason for it's LA
> > > (1, 5, 15)
> > > to be 4, though it didn't seem to jump 4 right after boot, but
> > > crept up.
> > >
> > > More ideas?
> > > David
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> >
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