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SubjectRe: [i915] 2.6.37-rc1 G33 regression : no DVI output
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On Sun, 21 Nov 2010 12:20:01 +0100, Vincent Vanackere <vincent.vanackere@gmail.com> wrote:
> Hi,
>
> I'm trying to track down a regression occuring in recent kernel : I
> get the DVI output of my intel G33 chipset through a Sapphire ADD2
> DVI-D SDVO adaptor card and it was working fine until
> kernel 2.6.37-rc1 :
> - all more recent kernels only give a black screen
> - I can log through ssh and no oops nor anything suspicious is in the log
> - I get an output if I uses the VGA builtin port.

Add drm.debug=0xe to your boot command line (or module options) and attach
the dmesg. We're obviously failing to detect the output over the SDVO
card, and hopefully we might have a reason in the debug log.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre


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