From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [PATCH 05/15] Coalesce userspace/kernel irqchip interrupt injection logic. Date: Tue, 14 Apr 2009 17:55:36 +0300 Message-ID: <20090414145536.GD20739@redhat.com> References: <1239616545-25199-1-git-send-email-gleb@redhat.com> <1239616545-25199-6-git-send-email-gleb@redhat.com> <20090414142403.GC20739@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Dmitry Eremin-Solenikov Return-path: Received: from mx2.redhat.com ([66.187.237.31]:42552 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751744AbZDNOzk (ORCPT ); Tue, 14 Apr 2009 10:55:40 -0400 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Apr 14, 2009 at 06:32:29PM +0400, Dmitry Eremin-Solenikov wrote: > 2009/4/14 Gleb Natapov : > > On Tue, Apr 14, 2009 at 02:14:04PM +0000, Dmitry Eremin-Solenikov wrote: > >> Gleb Natapov wrote: > >> > >> > Start to use interrupt/exception queues like VMX does. This also fix the > >> > bug that if exit was caused by a guest internal exception access to IDT > >> > the exception was not reinjected. > >> > >> This patch broke KVM for me: after it is applied (to the tip of avi's git tree), > >> linux inside KVM (version 84 from Debian) stops booting, moaning about lost > >> interrupts from ide. The KVM is executed inside qemu-system-x86_64, > >> version 0.10.2. > >> > > Please apply next patch in the series too. This one will not work > > without it. But better yet can you please test entire series. > > After applying the next patch (or the whole serie), I get the following messages > during initramfs drivers probe: > > Clocksource tsc unstable (delta...) > no cont in shutdown! > floppy0: FDC access conflict! > > Then kernel boot stalls. I'll try gdbing into kernel but this may > require lots of efforts. > I don't quite understand how do these two patches influence FDC emulation, but > they do. Tell me if you need any additional info. > What guest is this? What kernel? Does the whole series works? -- Gleb.