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Date:      Wed, 7 Mar 2007 15:28:26 -0600
From:      Dan Nelson <dnelson@allantgroup.com>
To:        Chris Slothouber <chris@hier7.com>, User Questions <freebsd-questions@freebsd.org>
Cc:        vivek.prasannan@gmail.com
Subject:   Re: w hangs before loading
Message-ID:  <20070307212826.GN86959@dan.emsphone.com>
In-Reply-To: <A8469B67-20F9-4DAB-A232-4E473089BEC7@mac.com> <45EF2BB0.9000609@hier7.com>
References:  <f7694a60703071241t2b096b8cw60a5baf94941ec8f@mail.gmail.com> <A8469B67-20F9-4DAB-A232-4E473089BEC7@mac.com> <f7694a60703071241t2b096b8cw60a5baf94941ec8f@mail.gmail.com> <45EF2BB0.9000609@hier7.com>

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Chuck Swiger wrote:
> On Mar 7, 2007, at 12:41 PM, Vivek Prasannan wrote:
> >When I type the command 'w' it holds for a while before printing the
> >output. There is no firewall in the system, load average is below
> >0.8 and I suspect it is something else. Any thoughts on this.
> 
> The 'w' command attempts to look up the hostnames for any users which
> are remotely logged in.
> 
> If you encounter a significant delay, that suggests that reverse DNS
> (aka PTR record lookups) is not properly configured or is performing
> slowly in your situation.

Chris Slothouber wrote:
> Check to make sure your /etc/resolv.conf is configured correctly.  It
> sounds like it could be taking a while to resolve the remote
> addresses connected.

A good way to verify that this is the problem is to run "w -n", which
won't do DNS lookups.

-- 
	Dan Nelson
	dnelson@allantgroup.com



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