From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Frame buffer corruptions with KVM >= 2.6.36 Date: Thu, 14 Oct 2010 09:27:55 +0200 Message-ID: <4CB6B0FB.7080100@web.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigE1246BB1F2CB841B7050646F" To: kvm Return-path: Received: from fmmailgate02.web.de ([217.72.192.227]:38176 "EHLO fmmailgate02.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751817Ab0JNH16 (ORCPT ); Thu, 14 Oct 2010 03:27:58 -0400 Received: from smtp02.web.de ( [172.20.0.184]) by fmmailgate02.web.de (Postfix) with ESMTP id 9534C178356A4 for ; Thu, 14 Oct 2010 09:27:57 +0200 (CEST) Received: from [88.64.17.244] (helo=mchn199C.mchp.siemens.de) by smtp02.web.de with asmtp (TLSv1:AES256-SHA:256) (WEB.DE 4.110 #24) id 1P6IEH-00041m-00 for kvm@vger.kernel.org; Thu, 14 Oct 2010 09:27:57 +0200 Sender: kvm-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigE1246BB1F2CB841B7050646F Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Hi, I'm seeing quite frequent corruptions of the VESA frame buffer with Linux guests (vga=3D0x317) that are starting with KVM kernel modules of upcoming 2.6.36 (I'm currently running -rc7). Effects disappears when downgrading to kvm-kmod-2.6.35.6. Will see if I can bisect later, but maybe someone already has an idea or wants to reproduce (just run something like "find /" on one text console and witch to another one - text fragments will remain on the screen on every few switches). Jan --------------enigE1246BB1F2CB841B7050646F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.15 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/ iEYEARECAAYFAky2sPwACgkQitSsb3rl5xTISQCfb7jj/d65s44fdJNGQgS10W36 goMAn3JsJ2zR36I4A3H9mpdLIe2bWQrF =AIKC -----END PGP SIGNATURE----- --------------enigE1246BB1F2CB841B7050646F--