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Old 03-30-2012, 08:38 PM
Jonathan Nieder
 
Default Bug#666360: i915: HDMI/DVI output broken on Dell Latitude E6410

Hi Brice,

Brice Goglin wrote:

> 3.2.0-2-amd64 fails to start X on my Dell Latitude E6410 when my DVI
> monitor is connected to one of the HDMI/DVI outputs on the dock station.
> KMS starts fine, but X later fails to start and I see something like
> "failed to start CRTC:3" blinking on the screen.
>
> If I unplug the DVI monitor, no problem.
[...]
> So something broke between 3.2.6-1 and 3.2.9-1

Yeah, this is probably from

commit 3d794f87238f
Author: Keith Packard <keithp@keithp.com>
Date: Wed Jan 25 08:16:25 2012 -0800

drm/i915: Force explicit bpp selection for intel_dp_link_required

commit c898261c0dad617f0f1080bedc02d507a2fcfb92 upstream.

See also [1]. If you can reproduce this with 3.3 from experimental, I'd
suggest filing a bug upstream[2]. (Please let us know the bug number if
doing so so we can track it.)

Thanks,
Jonathan

[1] http://bugs.debian.org/658662
[2] http://intellinuxgraphics.org/how_to_report_bug.html



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Old 04-02-2012, 07:10 AM
Brice Goglin
 
Default Bug#666360: i915: HDMI/DVI output broken on Dell Latitude E6410

bts forwarded 666360 https://bugs.freedesktop.org/show_bug.cgi?id=48170
bts found 666360 3.3-1~experimental.1
thank you



> If you can reproduce this with 3.3 from experimental, I'd
> suggest filing a bug upstream[2]. (Please let us know the bug number if
> doing so so we can track it.)

Fails the same with 3.3 from experimental. I opened an upstream bug report.

Brice




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