From owner-freebsd-stable Tue Jan 8 12:58:41 2002 Delivered-To: freebsd-stable@freebsd.org Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.122.47]) by hub.freebsd.org (Postfix) with ESMTP id D569637B402 for ; Tue, 8 Jan 2002 12:58:38 -0800 (PST) Received: from localhost (dwhite@localhost) by resnet.uoregon.edu (8.11.3/8.10.1) with ESMTP id g08KwxB86356; Tue, 8 Jan 2002 12:59:02 -0800 (PST) Date: Tue, 8 Jan 2002 12:58:58 -0800 (PST) From: Doug White To: Josh Paetzel Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Reproducable system hangs in -STABLE In-Reply-To: <20020107200706.B17764@twincat.vladsempire.net> Message-ID: <20020108125734.S84761-100000@resnet.uoregon.edu> X-All-Your-Base: are belong to us MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Mon, 7 Jan 2002, Josh Paetzel wrote: > > > While running two copies of dnetc, running xmms will hang my system > > > with a hard lock up. I think I've seen this appear before for non-priority problems too though ... hm ... > > This is the classic priority inversion problem. How are you starting your > > dnetc's? > They are starting at boot time from the script that the port installs > into /usr/local/etc/rc.d Make sure you are NOT nice(1)ing dnetc OR xmms. nice -20 or idprio'ing dnetc will cause an instant lockup. What happens if you run only one dnetc? Doug White | FreeBSD: The Power to Serve dwhite@resnet.uoregon.edu | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message