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Date: Mon, 29 Sep 2008 18:50:46 +0300
From: "Blue Swirl" <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] Can't boot my sparc system anymore
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To: qemu-devel@nongnu.org

On 9/29/08, Robert Reif <reif@earthlink.net> wrote:
> Blue Swirl wrote:
>
> >
> > Sorry, I had forgotten about this. Do you get the same result with
> > -prom-env 'boot-args=Linux console=ttyS0 video=tcxfb:off'?
> >
> > Or just -prom-env 'boot-args=Linux' and -nographic?
> >
> >
> >
> >
>  No matter how I try to boot right now, it mostly just hangs in SILO using
> 100% cpu.
>
>  It did finally boot a few times but it took a long time and ran slow.
> qemu-g boots fine but the test I use which is just standard debian etch
>  installed to a disk image doesn't boot reliably anymore.  This is a new
>  regression.

Could you please bisect?

>  As a side note, this same disk image on the same computer used to display
>  around 500 bogo mips at the first of this year but has steadily decreased
> to
>  around 125 bogo mips.

This is probably caused by TCG conversion. I have not focused much on
performance and there are some things that could be more optimal, like
condition flag handling.