From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49010) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fbHVu-0007x5-9I for qemu-devel@nongnu.org; Thu, 05 Jul 2018 23:34:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fbHVt-0000RL-5i for qemu-devel@nongnu.org; Thu, 05 Jul 2018 23:34:30 -0400 Date: Fri, 6 Jul 2018 13:18:49 +1000 From: David Gibson Message-ID: <20180706031849.GM3450@umbus.fritz.box> References: <6E19EBEF-B31C-473C-8279-49A28D571F61@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="8m/hfNLtAhX2NvnO" Content-Disposition: inline In-Reply-To: <6E19EBEF-B31C-473C-8279-49A28D571F61@gmail.com> Subject: Re: [Qemu-devel] VGA cirrus patch prevents video output List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Programmingkid Cc: mail@sebastianbauer.info, "list@suse.de:PowerPC list:PowerPC" , QEMU Developers --8m/hfNLtAhX2NvnO Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 05, 2018 at 10:41:43PM -0400, Programmingkid wrote: > I noticed that the video in QEMU stopped working. When I start qemu-syste= m-ppc all I see is a black window. Not even OpenBIOS displays anything. Aft= er some bisecting I found out it was this patch that causes the problem:=20 >=20 > Commit 29f9cef39eb1ae55e82c6763eb22d7a1bdff7276 > Author: Sebastian Bauer > Date: Mon Jul 2 21:13:45 2018 +0200 >=20 > ppc: Include vga cirrus card into the compiling process > =20 > Drivers for this card exists on PPC-based AmigaOS guests so it is use= ful to > allow users to emulate the graphics card for PPC machines. > =20 > As cirrus vga is currently preferred over std(vga) in absence of any = user > choice, this change also sets the default display of spapr machines to > std as otherwise qemu refuses to start these machines. Not specifying= an > explicit graphics mode is for instance done by 'make check'. > =20 > Signed-off-by: Sebastian Bauer > Signed-off-by: David Gibson >=20 >=20 > I think a solution to this problem might be to have the mac99 > machine use "-vga std" as default. When I use -vga std, video works > again. There are already patches in the works to fix this. --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --8m/hfNLtAhX2NvnO Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEdfRlhq5hpmzETofcbDjKyiDZs5IFAls+35cACgkQbDjKyiDZ s5L9ng//X9Mne0LubJFqpoN1IXOaGYO0TPJNRh4dtpzHlByPaDHVmEBx8GlSG6CF bAoAq0b6zgcg+7PubXY96kp1mrlMeyH29caWcq0I0XtaY43ptp1HAlTokA70oWlF VQo8mxQh14W9Mc6Izn8EDoV5S1mOk/XGrc2aokbuuQhNJRS+rtd5i0+U+j/BNvyx 13m9AVVDSXwUkQ//5tPXs/WMYrFaGALl5SxFMI8/fjLpACHFYizWqcmO7VCtMWfy hjL3At9LMzKIGZVggusmJ4huBQRrSXrIS89GXk9Ki9GhfVwNO7bPIUQWQNBkD43y eNKGEoL9HZAGOUzpImSEoSPeCxA2MTdRMVpdSKDig5KnovHzHgK7E7GYBCDoRoc3 /P+0DCMBBQhhFRXZWhacOQYP64rYkJihp793gK2ky5DjJSXNFtAkgDKhVBxoSiY7 3syIPnFFjJEAp8tgzgWs5Lmpb+dwrdPGEXai/zuYajrzsp0Il5zmeHguNVCcSwL0 qIDnQ8A14vKEr7n1qwEatsPG+ddkBgRv5DXiVUifoVV98fs6ji89eu7v31OWqzZa 5NzJUwxyhxYtFsSA38Aaz1c9ifLoR5vl7z12Vt17qPqo3fCQdF9QUXZ5ioKGjuP9 6ZSTKZNy2x44blYLPKyLk2fg40U1nYmXxXtGqr2/omVd7YkRiYk= =54VP -----END PGP SIGNATURE----- --8m/hfNLtAhX2NvnO--