From owner-freebsd-firewire@FreeBSD.ORG  Mon Feb  9 07:52:03 2004
Return-Path: <owner-freebsd-firewire@FreeBSD.ORG>
Delivered-To: freebsd-firewire@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 125B016A4CE
	for <firewire@freebsd.org>; Mon,  9 Feb 2004 07:52:03 -0800 (PST)
Received: from tora.nunu.org (YahooBB219003182070.bbtec.net [219.3.182.70])
	by mx1.FreeBSD.org (Postfix) with ESMTP id E270A43D1D
	for <firewire@freebsd.org>; Mon,  9 Feb 2004 07:52:02 -0800 (PST)
	(envelope-from simokawa@sat.t.u-tokyo.ac.jp)
Received: from tora.nunu.org (unknown [192.168.1.2])
	by tora.nunu.org (Postfix) with ESMTP
	id F171A4B235; Tue, 10 Feb 2004 00:52:01 +0900 (JST)
Date: Tue, 10 Feb 2004 00:52:01 +0900
Message-ID: <87bro8gsim.wl@tora.nunu.org>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: "Petr Holub" <hopet@ics.muni.cz>
In-Reply-To: <000401c3ef22$d97584f0$2136fb93@kloboucek>
References: <87ekt4gu12.wl@tora.nunu.org>
	<000401c3ef22$d97584f0$2136fb93@kloboucek>
User-Agent: Wanderlust/2.10.1 (Watching The Wheels) SEMI/1.14.5 (Awara-Onsen)
	FLIM/1.14.5 (Demachiyanagi) APEL/10.6 MULE XEmacs/21.4 (patch 14) (Reasonable
	Discussion) (i386--freebsd)
MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen")
Content-Type: text/plain; charset=US-ASCII
cc: firewire@freebsd.org
Subject: Re: too many interupts/sec
X-BeenThere: freebsd-firewire@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Firewire support in FreeBSD <freebsd-firewire.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-firewire>,
	<mailto:freebsd-firewire-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-firewire>
List-Post: <mailto:freebsd-firewire@freebsd.org>
List-Help: <mailto:freebsd-firewire-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-firewire>,
	<mailto:freebsd-firewire-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 09 Feb 2004 15:52:03 -0000

If you don't mind, can you change "#undef OHCI_DEBUG"
to "#define OHCI_DEBUG" in /sys/dev/firewire/fwohci.c?
It must generate much of output in the storm...

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html

At Mon, 9 Feb 2004 16:39:05 +0100,
Petr Holub wrote:
> 
> > Doesn't your fwohci share the irq with other devices?
> > Could you show me the output of 'devinfo -u'?
> 
> BTW: yet another thing that might help chasing the problem.
> It behaves in very deterministic way. I've built the firewire
> as module to be able to use the machine normally and I have
> found following behavior:
> 
> (without X)
> kldload firewire
> (no problems)
> startx
> (interrupt storm)
> kldunload firewire
> (no problems)
> kldload firewire
> (interrupt storm)
> kill X
> (no problems)
> 
> So it occurs deterministicaly when both firewire and X
> are loaded. Unloading any of them (or both of them ;-) )
> helps.
> 
> Petr
> 
> ================================================================
>                             Petr Holub
> CESNET z.s.p.o.                       Supercomputing Center Brno
> Zikova 4                             Institute of Compt. Science
> 162 00 Praha 6, CZ                            Masaryk University
> Czech Republic                     Botanicka 68a, 60200 Brno, CZ 
> e-mail: Petr.Holub@cesnet.cz               phone: +420-549493944
>                                              fax: +420-541212747
>                                        e-mail: hopet@ics.muni.cz
> 
>