Date: Tue, 17 Feb 2009 14:54:47 +0000 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: Randy Belk <randy.belk@gmail.com> Cc: questions@freebsd.org, Anton Shterenlikht <mexas@bristol.ac.uk> Subject: Re: w(5) shows non-existent or lost process? Message-ID: <20090217145446.GA55629@mech-cluster238.men.bris.ac.uk> In-Reply-To: <946140ad0902170602v5d41eab5hf63a489476e663b6@mail.gmail.com> References: <20090217134330.GA53766@mech-cluster238.men.bris.ac.uk> <946140ad0902170602v5d41eab5hf63a489476e663b6@mail.gmail.com>
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On Tue, Feb 17, 2009 at 08:02:12AM -0600, Randy Belk wrote: > On Tue, Feb 17, 2009 at 7:43 AM, Anton Shterenlikht <mexas@bristol.ac.uk> wrote: > > The who (or w, or finger) command shows that I'm still logged into ttyp5, > > even though I have rebooted the <xxx> box many times since. Does this mean > > the corresponding entry in /var/run/utmp is wrong and shouldn't be there, or is there > > still some process attached to ttyp5? > > > > ouput of w: > > > > USER TTY FROM LOGIN@ IDLE WHAT > > mexas p4 <xxx> 1:32pm - w > > mexas p5 <xxx>:0. 26Jan09 21days - > > > > ps ax | grep ttyp5 > > shows no process > > > > Looking at w(1) man page it seems that "-" in WHAT can be an indication > > that the process failed but not cleanly and that there could be some forked > > sub-process still alive. Does this make sense? Which other commands I can use > > to see what's going on? > > > > LSOF is your friend! The port is located in /usr/ports/sysutils/lsof > To find out what is using ttyp5 type in "lsof | grep ttyp5" and it > should show you the process # lsof |grep ttyp5 # this is 6.4-stable alpha which might not be fully supported by lsof, according to the man page. Anything else I can try? many thanks anton -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 928 8233 Fax: +44 (0)117 929 4423
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