From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sandro Sigala Subject: Re: GPLPV Drivers 0.9.11-pre4 hang during boot - Windows XP Pro SP2 Date: Mon, 07 Jul 2008 14:17:41 +0200 Message-ID: <48720965.6050901@sigala.it> References: <485A8681.10503@darkskiez.co.uk> <4861D361.9070806@sigala.it><486C7997.80503@sigala.it><486CDFE4.6040006@sigala.it><486DD394.4060403@sigala.it><486E0D49.6020409@sigala.it><486F48D7.9010305@sigala.it><486F6269.6070604@sigala.it> <486F6952.9020102@sigala.it> <486F6E9F.8090508@sigala.it> <4870B4BA.7070204@sigala .it> <4871FDD5.4000506@sigala.it> <487204B3.8090205@sigala.it> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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: James Harper Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org James Harper wrote: > Hmmm... I think I can see the problem - XenPCI is getting IRQ 5, and IRQ > 5 is being assigned to all the subsequent devices that XenPCI > enumerates, and due to the slightly dodgy way I dish out interrupts to > other devices this maybe isn't working. I should probably have spotted > that earlier but I wasn't looking for it! Great! > > Btw, on my test machines, XenPCI always seems to get IRQ 28 and the > other devices all get IRQ 11. Any idea why yours would all be getting > IRQ 5? My guess would be that you don't have APIC enabled, or that you > didn't have it enabled when you first installed. Confirmed, I have APIC disabled in the VM (also while installing), because in the past this caused strange problems with the older Xen versions. Since then I always left it disabled for safety, but I guess it's now safe... Thanks, Sandro