Date: Fri, 5 Nov 2004 11:59:31 -0500 From: Jason Harmening <gte990t@mail.gatech.edu> To: Alex Dupre <sysadmin@alexdupre.com>, Boris Kovalenko <boris@ntmk.ru>, Michael Nottebrock <michaelnottebrock@gmx.net> Cc: freebsd-threads@freebsd.org Subject: Re: [FreeBSD 5.3-RC2] Processes STILL hanging in unkillable state Message-ID: <200411051159.32077.gte990t@mail.gatech.edu> In-Reply-To: <418792ED.8010700@alexdupre.com> References: <200411020143.34251.gte990t@mail.gatech.edu> <418792ED.8010700@alexdupre.com>
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The following patch, sent to me from David Xu by way of Marc Ramirez, seems to
fix the "unkillable process" problem:
Index: kern_thread.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/kern_thread.c,v
retrieving revision 1.205
diff -u -r1.205 kern_thread.c
--- kern_thread.c 4 Nov 2004 22:13:16 -0000 1.205
+++ kern_thread.c 5 Nov 2004 04:23:24 -0000
@@ -832,11 +832,10 @@
continue;
/*
* maybe other inhibitted states too?
- * XXXKSE Is it totally safe to
- * suspend a non-interruptable thread?
*/
- if (td2->td_inhibitors &
- (TDI_SLEEPING | TDI_SWAPPED))
+ if ((td2->td_flags & TDF_SINTR) &&
+ (td2->td_inhibitors &
+ (TDI_SLEEPING | TDI_SWAPPED)))
thread_suspend_one(td2);
break;
}
On Tuesday 02 November 2004 09:00, you wrote:
> Jason Harmening wrote:
> > I just upgraded to 5.3-RC2, and I'm still running into the problem where
> > processes will hang in an unkillable state. In particular, this happens
> > for me with OpenOffice under a heavy load. 'ps' reports the state as
> > 'TL' and 'top' reports the state as STOP. Neither kill -CONT nor kill
> > -KILL will work.
>
> Same here. With OpenOffice and Java under high load.
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