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Re: [Xen-devel] xen and agpgart

> On Sat, Sep 04, 2004 at 09:31:29AM +0100, Christian Limpach wrote:
> > The code which clears the bit is only run later in the same function.
> > It's in the ARCH_SETUP macro.
> > 
> > But it seems that the changes we make there get lost after start_kernel
> > calls check_bugs() which in turn calls identify_cpu() and resets
> > boot_cpu_data.
> Aha.  Ok.  I've done a quick hack to clear those bits in identify_cpu() and
> my system booted up and those flags properly remained disabled.  I now
> nolonger Oops out starting X, instead.. I start X (after the agp and drm
> modules load successfully), I get a blank screen, my disk is accessed a few
> times, and the computer reboots.  I unfortunately don't have a serial port
> on my current test machine, and no crash information was logged, so it looks
> like this is going to be harder to debug from this point.
>                               -- Gerald

Is there anything logged to /var/log/messages?

If not then you will definitely need to attach a serial line somehow,
or it'll be impossible to debug.

I'll fix Xen and Xen/Linux for the problems we've found so far, and
create patches for the GART and DRM drivers.

 -- Keir

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