From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Dreier Subject: Re: [kvm-devel] guest crash on 2.6.20-rc4 Date: Wed, 10 Jan 2007 10:31:11 -0800 Message-ID: References: <45A40898.4040307@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm-devel , linux-kernel@vger.kernel.org Return-path: To: Avi Kivity In-Reply-To: <45A40898.4040307@qumranet.com> (Avi Kivity's message of "Tue, 09 Jan 2007 23:26:48 +0200") Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org > I've managed to reproduce a bug with similar characteristics: a write > fault into a present, writable kernel page. The attached patch should > fix it. Sorry for the delay in continuing this thread. Anyway, the oops seems to be pretty reproducible by running the makewhatis and locate db update scripts in a loop. I've applied your patch and kicked off a test run; I'll let you know if I can still get the bug to happen. Thanks