In article <42B7B808.50603@iki.fi>,
Martti Kuparinen  <martti.kuparinen@iki.fi> wrote:
> Hi!
> 
> I was trying to start 30 virtual machines as a final stress test for
> my Xen server but it fails like this for the 24th domU. I've increased
> kern.maxfiles to 500000 but it's still failing. Any ideas?
[]
> Error: Error creating domain: Couldn't listen on localhost:9624: (7, 'No 
> address associated with hostname').
> Using config file "/var/run/netbsd.25.conf".
> Error: Error creating domain: Couldn't listen on localhost:9625: (24, 
> 'Too many open files').

That's the number of descriptors per process -- here, xend -- not for
the system as a whole (that'd be "Too many open files in system"). 

Tossing a "ulimit -n 1024" or similar into xend's rc script should do
the trick; there might be a nicer way to do that.  (For one-shot use,
"sysctl -w proc.NNN.rlimit.descriptors.soft=1024" looks like it works.)


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