Date: Wed, 1 May 2002 23:29:56 +0200 From: Bernd Walter <ticso@cicely5.cicely.de> To: freebsd-alpha@FreeBSD.ORG Subject: Re: AlphaServer 400 interrupt problems Message-ID: <20020501212955.GE16289@cicely5.cicely.de> In-Reply-To: <20020502072602.U25071@gsmx07.alcatel.com.au> References: <20020501114313.R25071@gsmx07.alcatel.com.au> <20020501084436.GH60196@cicely5.cicely.de> <20020502072602.U25071@gsmx07.alcatel.com.au>
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On Thu, May 02, 2002 at 07:26:03AM +1000, Peter Jeremy wrote: > On 2002-May-01 10:44:36 +0200, Bernd Walter <ticso@cicely5.cicely.de> 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
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