From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36037) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YNIXR-0003Oz-4k for qemu-devel@nongnu.org; Mon, 16 Feb 2015 05:04:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YNIXL-0006BE-R1 for qemu-devel@nongnu.org; Mon, 16 Feb 2015 05:04:25 -0500 Received: from mout.web.de ([212.227.17.12]:59002) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YNIXL-0006B0-HM for qemu-devel@nongnu.org; Mon, 16 Feb 2015 05:04:19 -0500 Message-ID: <54E1C09A.7030002@web.de> Date: Mon, 16 Feb 2015 11:04:10 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <54E1B4BA.3030705@web.de> In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="R6wsppsMwOQlAhSdLDTLmTHmvOosfeo2e" Subject: Re: [Qemu-devel] vexpress: Framebuffer broken with KVM enabled List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Spyridakis Cc: Anup Patel , qemu-devel , kvm , kvmarm This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --R6wsppsMwOQlAhSdLDTLmTHmvOosfeo2e Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 2015-02-16 10:34, Alexander Spyridakis wrote: > On Mon, Feb 16, 2015 at 2:43 PM, Jan Kiszka wrote: >> Hi, >> >> next issue related to KVM/QEMU on the TK1: The guest image I'm running= >> gives proper framebuffer output when in emulation mode. Once KVM is >> enabled, the screen is - at best - only initially updated. Sometimes I= >> see the famous tux images and a bit of the console texts, but usually = it >> stays black. Explanations? >=20 > Hello Jan, >=20 > If you want to force rendering, you can do something similar with the > following hack: > https://github.com/virtualopensystems/qemu/commit/64dd1b3e3a2353433edb9= c63d00271f515bd06fb >=20 > Of course expect performance to not be up to par. Yep, confirmed - both that it works and that it's slow (better not try this with SDL, exported via X...). Thanks, Jan --R6wsppsMwOQlAhSdLDTLmTHmvOosfeo2e 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 iEYEARECAAYFAlThwJoACgkQitSsb3rl5xRPLACfQhQDPJzMo5C6hKqIbwyg3l3r j7MAnjOMwGc0UvT7WL11KKk4Z8+Gnu5x =46J8 -----END PGP SIGNATURE----- --R6wsppsMwOQlAhSdLDTLmTHmvOosfeo2e--