From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Ronner Subject: Re: potentially nasty oops on startup Date: Thu, 13 Jan 2005 18:06:17 +0100 Message-ID: <41E6AA89.6090805@cs.uu.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Hello, >On Sun, 5 Dec 2004, Rik van Riel wrote: > > > I"m getting the following oops on startup, and I"m not quite > > sure why. It looks nasty though, with an invalid page being > > mapped into a process, and a strange looking EIP ... > > > > do_wp_page: bogus page at address 00000449 > > VM: killing process kmodule > > Unable to handle kernel NULL pointer dereference at virtual address > > 00000449 > OK, figured it out. It"s kmodule, mmaping /dev/mem and > making vm86 calls. Select fragments from a strace: (...) I'm having the same problem on Xen 2.0.3 using the stock XenLinux 2.6.10 kernel. This didn't happen with Xen 2.0.1 and XenLinux 2.6.9. Is there a fix available? in -testing perhaps? The distribution in domain 0 is FC3. Greetings, Thomas -- Thomas Ronner Computer Systems Group Institute of Information & Computing Sciences, Utrecht University E: thomas@cs.uu.nl T: 030 2539296 ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt