From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51976) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WVffF-0003Cr-O0 for qemu-devel@nongnu.org; Thu, 03 Apr 2014 07:18:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WVff7-0004OV-Jj for qemu-devel@nongnu.org; Thu, 03 Apr 2014 07:18:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50021) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WVff7-0004OH-Br for qemu-devel@nongnu.org; Thu, 03 Apr 2014 07:18:25 -0400 Message-ID: <533D437C.3040207@redhat.com> Date: Thu, 03 Apr 2014 13:18:20 +0200 From: Laszlo Ersek MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Framebuffer corruption in QEMU or Linux's cirrus driver List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andy Lutomirski , Dave Airlie , qemu-devel@nongnu.org On 04/02/14 00:09, Andy Lutomirski wrote: > Running: > > ./virtme-run --installed-kernel > > from this virtme commit: > > https://git.kernel.org/cgit/utils/kernel/virtme/virtme.git/commit/?id=2b409a086d15b7a878c7d5204b1f44a6564a341f > > results in a bunch of missing lines of text once bootup finishes. > Pressing enter a few times gradually fixes it. > > I don't know whether this is a qemu bug or a Linux bug. > > I'm seeing this on Fedora's 3.13.7 kernel and on a fairly recent > 3.14-rc kernel. For the latter, cirrus is built-in (not a module), > I'm running: > > virtme-run --kimg arch/x86/boot/bzImage > > and I see more profound corruption. I'm seeing this on: - qemu: qemu-kvm-1.5.3-55.el7.x86_64 - guest: 3.13.6-100.fc19.x86_64 Screenshots: http://people.redhat.com/~lersek/cirrusdrmfb/ Thanks Laszlo