From owner-freebsd-alpha Wed May 1 14:30:44 2002 Delivered-To: freebsd-alpha@freebsd.org Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by hub.freebsd.org (Postfix) with ESMTP id 4A2FA37B41C for ; Wed, 1 May 2002 14:30:11 -0700 (PDT) Received: from cicely5.cicely.de (cicely5.cicely.de [3ffe:400:8d0:301:200:92ff:fe9b:20e7]) (authenticated) by srv1.cosmo-project.de (8.11.6/8.11.6) with ESMTP id g41LTwA57222 (using TLSv1/SSLv3 with cipher EDH-RSA-DES-CBC3-SHA (168 bits) verified OK) for ; Wed, 1 May 2002 23:30:02 +0200 (CEST) (envelope-from ticso@cicely5.cicely.de) Received: from cicely5.cicely.de (localhost [IPv6:::1]) by cicely5.cicely.de (8.12.1/8.12.1) with ESMTP id g41LTuSZ051894 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO) for ; Wed, 1 May 2002 23:29:57 +0200 (CEST)?g (envelope-from ticso@cicely5.cicely.de) Received: (from ticso@localhost) by cicely5.cicely.de (8.12.1/8.12.1/Submit) id g41LTuZF051893 for freebsd-alpha@FreeBSD.ORG; Wed, 1 May 2002 23:29:56 +0200 (CEST)?g (envelope-from ticso) Date: Wed, 1 May 2002 23:29:56 +0200 From: Bernd Walter To: freebsd-alpha@FreeBSD.ORG Subject: Re: AlphaServer 400 interrupt problems Message-ID: <20020501212955.GE16289@cicely5.cicely.de> References: <20020501114313.R25071@gsmx07.alcatel.com.au> <20020501084436.GH60196@cicely5.cicely.de> <20020502072602.U25071@gsmx07.alcatel.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020502072602.U25071@gsmx07.alcatel.com.au> User-Agent: Mutt/1.3.26i X-Operating-System: FreeBSD cicely5.cicely.de 5.0-CURRENT i386 Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, May 02, 2002 at 07:26:03AM +1000, Peter Jeremy wrote: > On 2002-May-01 10:44:36 +0200, Bernd Walter wrote: > >On Wed, May 01, 2002 at 11:43:13AM +1000, Peter Jeremy wrote: > >> A secondary problem is that all interrupts are treated as non-sharable > >> ISA interrupts. I don't believe this is valid. Whilst the AS400 > >> interrupt routing uses the standard 8259 pair and interrupts from > >> ISA cards can't be shared, I don't see why the kernel doesn't permit > >> PCI interrupts to be shared. The AS400 technical documentation > >> definitely indicates that interrupts can be shared. > > > >Interesting. > > To clarify this, the following is from "Digital AlphaStation 200/400 > Series, Technical Information", Part Number: EK-PCDSA-TI. A01 There was no doubt about what the hardware can do. It was interesting that FreeBSD does not allow them to share. I had not noticed before. -- B.Walter COSMO-Project http://www.cosmo-project.de ticso@cicely.de Usergroup info@cosmo-project.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message