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Date:      Thu, 23 Jan 2003 16:55:50 +0100 (CET)
From:      Oliver Fromme <olli@secnetix.de>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Cannot kill truss process
Message-ID:  <200301231555.h0NFtoQF013170@lurza.secnetix.de>
In-Reply-To: <20030123154210.GA83066@dan.emsphone.com>

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Dan Nelson <dnelson@allantgroup.com> wrote:
 > In the last episode (Jan 23), Oliver Fromme said:
 > > Dan Nelson <dnelson@allantgroup.com> wrote:
 > >  > In the last episode (Jan 23), Oliver Fromme said:
 > >  > > I've got a problem on a 4.7-RELEASE machine.  I tried using
 > >  > > /usr/bin/truss on a process (which was running in a chroot
 > >  > > environment, which in turn is on an NFS-mounted filesystem,
 > >  > > if that matters).  But now I cannot kill the truss process
 > >  > > itself anymore, it's hanging there for a few days already.
 > >  > 
 > >  > Do a ps axlp 65275; what's the WCHAN column say?
 > > 
 > > It says "stopev":
 > > 
 > > # ps lwwp 65275
 > >   UID   PID  PPID CPU PRI NI   VSZ  RSS WCHAN  STAT  TT       TIME COMMAND
 > >  1011 65275     1   0  10  0   268  136 stopev D     pd-   0:00.00 truss jws -
 > 
 > That looks like truss was being trussed :)  I thought "stopevent" was
 > what traced processes stopped at while the tracing process was working
 > on them.  Try running "truss -p 65275" and see if it frees up. 

# truss -p 65275
SIGNAL 9
SIGNAL 9
process exit, rval = 9
Killed
# ps lwwp 65275
  UID   PID  PPID CPU PRI NI   VSZ  RSS WCHAN  STAT  TT       TIME COMMAND
# 

Hooray!  Thanks a bunch!  :)

Regards
   Oliver

-- 
Oliver Fromme, secnetix GmbH & Co KG, Oettingenstr. 2, 80538 München
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