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Re: [Qemu-devel] [PATCH] pci: fix bridge IO/BASE


From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] [PATCH] pci: fix bridge IO/BASE
Date: Sun, 4 Mar 2012 21:43:19 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Sun, Mar 04, 2012 at 06:11:20PM +0000, Mark Cave-Ayland wrote:
> On 04/03/12 17:49, Blue Swirl wrote:
> 
> >>According to the spec it is a device, so should be ok?
> >>If I just make BAR4 writeable we get past the
> >>bios screen at least.
> >>Maybe openbios gets confused if a device has no BARs?
> >>Do things work for you with the patch below?
> >>All it does is make BAR4 writeable, accesses go nowhere.
> >
> >Looking at serial console, there is no crash, but VGA still does not work.
> 
> Note that I've just emailed the list about a VGA regression I've
> found on PPC caused by one of Avi's commits - perhaps Michael's fix
> does work, but you're being bitten by the same bug?
> 
> 
> ATB,
> 
> Mark.

Can you pls try applying my patch on top of old tree where VGA
did work, and see what happens?

-- 
MST



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