From owner-cvs-all  Tue Jul 16 23:50:32 2002
Delivered-To: cvs-all@freebsd.org
Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 8393337B400; Tue, 16 Jul 2002 23:50:23 -0700 (PDT)
Received: from mailman.zeta.org.au (mailman.zeta.org.au [203.26.10.16])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 06FFC43E67; Tue, 16 Jul 2002 23:50:22 -0700 (PDT)
	(envelope-from bde@zeta.org.au)
Received: from bde.zeta.org.au (bde.zeta.org.au [203.2.228.102])
	by mailman.zeta.org.au (8.9.3/8.8.7) with ESMTP id QAA08612;
	Wed, 17 Jul 2002 16:50:19 +1000
Date: Wed, 17 Jul 2002 16:54:03 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
X-X-Sender: bde@gamplex.bde.org
To: John Baldwin <jhb@FreeBSD.org>
Cc: Andrew Gallatin <gallatin@FreeBSD.org>, <cvs-all@FreeBSD.org>,
	<cvs-committers@FreeBSD.org>
Subject: RE: cvs commit: src/sys/kern kern_condvar.c kern_shutdown.c kern
In-Reply-To: <XFMail.20020716223015.jhb@FreeBSD.org>
Message-ID: <20020717164015.J4112-100000@gamplex.bde.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-cvs-all@FreeBSD.ORG
Precedence: bulk
List-ID: <cvs-all.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20cvs-all>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20cvs-all>
X-Loop: FreeBSD.ORG

On Tue, 16 Jul 2002, John Baldwin wrote:

> On 17-Jul-2002 Andrew Gallatin wrote:
> > gallatin    2002/07/16 19:23:44 PDT
> >
> >   Modified files:
> >     sys/kern             kern_condvar.c kern_shutdown.c
> >                          kern_switch.c kern_synch.c
> >     sys/sys              proc.h
> >   Log:
> >   Allow alphas to do crashdumps:  Refuse to run anything in choosethread()
> >   after a panic which is not an interrupt thread, or the thread which
> >   caused the panic.  Also, remove panicstr checks from msleep() and from
> >   cv_wait() in order to allow threads to go to sleep and yeild the cpu
> >   to the panicing thread, or to an interrupt thread which might
> >   be doing the crashdump.
> >
> >   Reviewed by: jhb  (and it was mostly his idea too)
>
> You might want to integrate some of bde's suggestions on fixing up
> comments, etc.

Also ones to not fix it this way :-).  Only the panicing thread should
run once panic() is reached.  The crashdump part of panic came close
to doing this in RELENG_4 but has rotted.

Bruce


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message