linux-kernel - Re: drm/ksm -> s2disk -> resume -> [drm:r100_ring_test] *ERROR* radeon: ring test failed (sracth(0x15E4)=0xCAFEDEAD)

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Message-Id: <1258402555.2031.1.camel@localhost>
Date:	Mon, 16 Nov 2009 21:15:55 +0100
From:	Jerome Glisse <glisse@...edesktop.org>
To:	Christian Hartmann <cornogle@...glemail.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: drm/ksm -> s2disk -> resume -> [drm:r100_ring_test] *ERROR* 
 radeon: ring test failed (sracth(0x15E4)=0xCAFEDEAD)

On Fri, 2009-11-06 at 16:54 +0100, Christian Hartmann wrote:
> hello,
> 
> here the dmesg from boot before resume. the first dmesg was truncated..
> 
> 
> 2009/11/6 Christian Hartmann <cornogle@...glemail.com>:
> > radeon driver is broken after resume, I have to reboot everytime.
> >
> > [  170.805463] [drm:r100_ring_test] *ERROR* radeon: ring test failed
> > (sracth(0x15E4)=0xCAFEDEAD)
> > [  170.805471] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22).
> >
> > Could it be (Im am really not sure yet), that i have included the
> > firmware R100_cp.bin into the kernel space?
> yes, I have included it. But ...
> > ...why is this not working after a normal resume?
> 
> me again, chris h.

Can you confirm that booting the kernel with radeon.agpmode=-1 fix your
issue ? My guess is that once again AGP is broken on resume, we have
several issue with evil AGP.

Cheers,
Jerome



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