Date: Wed, 27 Oct 2004 16:37:27 +0400 From: Vladimir Grebenschikov <vova@sw.ru> To: David Xu <davidxu@freebsd.org> Cc: "current@freebsd.org" <current@freebsd.org> Subject: Re: Unkillable process Message-ID: <1098880647.1062.22.camel@localhost> In-Reply-To: <1098880551.1062.20.camel@localhost> References: <1098870425.1062.14.camel@localhost> <417F9483.7040003@freebsd.org> <1098880551.1062.20.camel@localhost>
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=F7 =D3=D2, 27/10/2004 =D7 16:35 +0400, Vladimir Grebenschikov =D0=C9=DB=C5=
=D4:
> =F7 =D3=D2, 27/10/2004 =D7 20:28 +0800, David Xu =D0=C9=DB=C5=D4:
> > Can you tell me which revision of sys/kern/kern_exit.c you are using ?
>=20
> % cvs status sys/kern/kern_exit.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> File: kern_exit.c Status: Needs Patch
>=20
> Working revision: 1.250 Thu Oct 21 09:04:25 2004
> Repository revision: 1.251 /ext/ncvs/src/sys/kern/kern_exit.c,v
> Sticky Tag: (none)
> Sticky Date: (none)
> Sticky Options: (none)
> %
Looks like I should upgrade to 1.251:
diff -u -r1.251 -r1.250
--- sys/kern/kern_exit.c 23 Oct 2004 11:20:26 -0000 1.251
+++ sys/kern/kern_exit.c 5 Oct 2004 18:51:11 -0000 1.250
@@ -403,7 +403,7 @@
* since their existence means someone is screwing up.
*/
if (q->p_flag & P_TRACED) {
- q->p_flag &=3D ~(P_TRACED | P_STOPPED_TRACE);
+ q->p_flag &=3D ~P_TRACED;
psignal(q, SIGKILL);
}
PROC_UNLOCK(q);
>=20
> > Vladimir Grebenschikov wrote:
> >=20
> > >Hi
> > >
> > >FreeBSD -CURRENT
> > >
> > >After gdb crash on httpd process, process still present, and listen
> > >sockets but it is in T state and can't be killed.
> > >
> > ># ps alxx | fgrep htt
> > > 0 56647 1 0 76 0 5044 2720 - T p9-
> > >0:00.14 /usr/local/sbin/httpd -X
> > ># kill -CONT 56647
> > ># ps alxx | fgrep htt
> > > 0 56647 1 0 76 0 5044 2720 - T p9-
> > >0:00.14 /usr/local/sbin/httpd -X
> > ># kill -9 56647
> > ># ps alxx | fgrep htt
> > > 0 56647 1 0 76 0 5044 2720 - T p9-
> > >0:00.14 /usr/local/sbin/httpd -X
> > ># procctl 56647
> > ># kill -9 56647
> > ># ps alxx | fgrep htt
> > > 0 56647 1 0 76 0 5044 2720 - T p9-
> > >0:00.14 /usr/local/sbin/httpd -X
> > ># mount /proc
> > ># cat /proc/56647/status=20
> > >httpd 56647 1 56647 0 5,9 noflags 1098869811,34135 0,119132 0,21623
> > >nochan 0 0 0,0,0,2,3,4,5,20 -
> > >#=20
> > >
> > >How to deal with such processes (except reboot ?)
> > >
> > > =20
> > >
--=20
Vladimir B. Grebenschikov
SWsoft Inc. vova@sw-soft.com
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