From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Oops at boot - kernel 2.6.22.1 Date: Tue, 24 Jul 2007 08:12:55 +0300 Message-ID: <46A58A57.5080900@qumranet.com> References: <46A493A8.6020204@qumranet.com> <200707240320.16070.pr0gress0r@ngs.ru> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Fix Return-path: In-Reply-To: <200707240320.16070.pr0gress0r-ZoOhUfop2Wg@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Fix wrote: >>> Host system: Linux >>> Processor: Athlon64 X2 3600+ >>> Kernel: 2.6.22.1 >>> KVM version: 31 >>> >>> Guest system: Linux >>> Kernel: 2.6.22.1 >>> >>> $ kvm -hda linux.img -boot c -m 256 >>> >>> Host system freeze immediately after pressing in >>> LILO >>> >>> /var/log/messages: >>> >>> Jul 23 11:57:10 linux kernel: Unable to handle kernel NULL >>> pointer dereference >>> at 0000000000000000 RIP: >>> Jul 23 11:57:13 linux kernel: >>> [_end+136405197/2130576028] >>> >>> :kvm:x86_emulate_memop+0x16c1/0x3cb0 >>> >> Oh, if you have CONFIG_SLUB enabled, then you need to use kvm-32. >> > > No, I don't. > The same situation with kvm-33. > Here is .tar.bz2 with my bzImage, System.map and .config: > http://depositfiles.com/en/files/1296145 > The following command causes hangup of my host system: > $ kvm -hda [any image] -kernel bzImage-2.6.22.1-3 -boot c -m 256 > > P.S.: with -no-kvm kernel boots fine > > P.P.S.: host and guest are 64-bit > > Can you post the guest image (if it is free and has no private data)? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/