From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gerhard Wiesinger <lists@wiesinger.com>
Subject: Re: [PATCH] kvm: flush the dirty log when
 unregistering a slot
Date: Sun, 15 Jan 2012 15:40:10 +0100 (CET)
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Cc: Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel@nongnu.org,
	kvm@vger.kernel.org
To: Jan Kiszka <jan.kiszka@web.de>, Avi Kivity <avi@redhat.com>
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On Sun, 15 Jan 2012, Jan Kiszka wrote:

> On 2012-01-15 15:17, Avi Kivity wrote:
>> Otherwise, the dirty log information is lost in the kernel forever.
>>
>> Fixes opensuse-12.1 boot screen, which changes the vga windows rapidly.
>
> Confirmed, problems solved here.

Problem from: http://permalink.gmane.org/gmane.comp.emulators.qemu/131853

Confirmed to be fixed, too. Long awaited patch :-)

BTW: There is also a major difference in video performance:
1.) With Patch: 1400MB/s (MByte/s)
2.) Without Patch: 6MB/s

Any reason for that?

Ciao,
Gerhard

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http://www.wiesinger.com/