kern/71226: processes list is broken

Sergey Akifyev asa at
Wed Sep 1 00:20:25 PDT 2004

The following reply was made to PR kern/71226; it has been noted by GNATS.

From: Sergey Akifyev <asa at>
To: Seva Gluschenko <gvs at>
Cc: FreeBSD-gnats-submit at
Subject: Re: kern/71226: processes list is broken
Date: Wed, 01 Sep 2004 11:19:04 +0400

 Content-Type: text/plain
 Content-Transfer-Encoding: quoted-printable
 On Tue, 2004-08-31 at 15:30, Seva Gluschenko wrote:=09
 > >Description:
 > 	While examining process list on my box I've found some hung processes:
 > > ps ax | grep kblan
 >  1028  ??  RN     0:00,13 /usr/local/bin/kblankscrn.kss -root
 > 	I used kill on them. Nothing changes. I used kill -9. No reaction
 > 	at all. The list is pretty the same. Thinking hard, then I used
 > 	ktrace/kdump. They produced zero output, e.g. processes aren't really
 > 	exist anymore - but still occupy some entries in process list.
 > 	There maybe some conditions for process hanging to happen since
 > 	kblankscrn was the only one found, otherwise process list
 > 	should be fulfilled quite easy.
 Are theese zombies in fact? You should try to kill their parent (see man
 waitpid for details). You can determine parent PID of process by issuing
 following command:
 # ps jax|fgrep kblankscrn.kss|fgrep -v fgrep|awk '{print $3}'
 Sergey Akifyev <asa at>
 JSC Gascom <>
 PGP key available from:
 Content-Type: application/pgp-signature; name=signature.asc
 Content-Description: This is a digitally signed message part
 Version: GnuPG v1.2.5 (FreeBSD)

More information about the freebsd-bugs mailing list