From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: a problem of interrupt in Gos(winxp or vista) Date: Tue, 21 Nov 2006 07:45:08 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Tian, Kevin" , SONGWEIA@lenovo.com, xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 21/11/06 6:45 am, "Tian, Kevin" wrote: >> Dear all, >> Recently, I find a problem which you can only see 16 interrupts in >> Gos(winxp), and as we all known, there is 24 interrupts in a apic. Why? I >> have puzzled for long time about this issue. Somebody can help me? >> Thanks >> lot. >> > > Because qemu itself only supports 16 virtual interrupt lines by far, with > identity mapping between pic pin and ioapic pin. This will change today. :-) -- Keir