From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jan Kiszka <jan.kiszka@web.de>
Subject: Re: vexpress: Framebuffer broken with KVM enabled
Date: Mon, 16 Feb 2015 11:04:10 +0100
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Cc: qemu-devel <qemu-devel@nongnu.org>, kvm <kvm@vger.kernel.org>,
	kvmarm <kvmarm@lists.cs.columbia.edu>,
	Anup Patel <anup@brainfault.org>
To: Alexander Spyridakis <a.spyridakis@virtualopensystems.com>
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On 2015-02-16 10:34, Alexander Spyridakis wrote:
> On Mon, Feb 16, 2015 at 2:43 PM, Jan Kiszka <jan.kiszka@web.de> 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



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