Re: [Xen-devel] Re: [drm:r100_ring_test] *ERROR* radeon: ring test failed

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Oct 27, 2009 at 10:18:32PM +0200, Pasi Kärkkäinen wrote:
> On Tue, Oct 27, 2009 at 03:41:14PM -0400, Konrad Rzeszutek Wilk wrote:
> > > > We can figure this out.  Pasi, I don't have a modesetting working 
> > > > machine,
> > > > but you do. Can you compile your pv_ops with the fix I provided earlier,
> > > > along with enabling CONFIG_DMA_API_DEBUG=y. Once mode-setting is turned
> > > > on and your machine is humming along (maybe even run glxgears), compile
> > > > the attached module and load it. You should get a kernel dump
> > > > off all devices that are using the DMA buffers. Can you e-mail me that 
> > > > back
> > > > please?
> > > > 
> > > > 
> > > 
> > > I've never actually tried X on this box.. it seems X doesn't start.
> > 
> > As in, even on baremetal it does not work?
> 
> Heh. should have tried that already. Too tired atm :)
> 
> Anyway, I tried baremetal now. X comes up, I can see the desktop, and
> then the monitor goes out of signal.
> 
> "dmesg" is full of:
> 
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> [TTM] Erroneous page count. Leaking pages.
> X used greatest stack depth: 3000 bytes left
> 
> Could that be caused by the patch? I booted the same ttm-patched kernel
> on baremetal without Xen..
> 

Using the 2.6.31.5-96.fc12.x86_64 fedora kernel rpm (baremetal) 
X works OK. No TTM errors in dmesg.

Xorg.0.log looks similar.. last line is:

(II) RADEON(0): EDID for output DVI-0

So I guess the Xorg.0.log part is how it should be.. 

-- Pasi


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