Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761579AbYFES3b (ORCPT ); Thu, 5 Jun 2008 14:29:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754172AbYFES3W (ORCPT ); Thu, 5 Jun 2008 14:29:22 -0400 Received: from yumi.tdiedrich.de ([85.10.210.183]:49311 "EHLO mx.tdiedrich.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121AbYFES3V (ORCPT ); Thu, 5 Jun 2008 14:29:21 -0400 Date: Thu, 5 Jun 2008 20:28:49 +0200 From: Tobias Diedrich To: Chris Wright Cc: Avi Kivity , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: kvm: unable to handle kernel NULL pointer dereference Message-ID: <20080605182847.GA12176@yamamaya.is-a-geek.org> Mail-Followup-To: Tobias Diedrich , Chris Wright , Avi Kivity , kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20080601084802.GA3146@yamamaya.is-a-geek.org> <4846716E.5000506@qumranet.com> <20080604181019.GB10897@yamamaya.is-a-geek.org> <20080605042535.GC30402@sequoia.sous-sol.org> <20080605060931.GA11704@yamamaya.is-a-geek.org> <20080605072728.GF30402@sequoia.sous-sol.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20080605072728.GF30402@sequoia.sous-sol.org> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1170 Lines: 33 Chris Wright wrote: > Sorry, my math was bad. I gave you 0xffffffff8021d44f + 7 + 0x6f9cba, > but it should have been 0xffffffff8021d44f - 17 + 0x6f9cba. Which is > correct (as one would hope, it was a grasp at straws). > > Oh, wait. Is this a laptop? Do you suspend/resume? Suspend will free > svm_data, and on resume, any launching a guest will definitely hit the > oops you are seeing. No, this is my desktop, but I hibernate daily and always see below message. > Do you ever see this in dmesg? > > svm_cpu_init: svm_data is NULL on 0 Yes: [...] PM: Creating hibernation image: PM: Need to copy 126181 pages PM: Normal pages needed: 126181 + 1024 + 38, available pages: 397721 x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 svm_cpu_init: svm_data is NULL on 0 [...] -- Tobias PGP: http://9ac7e0bc.uguu.de このメールは十割再利用されたビットで作られています。 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/