linux-kernel - Re: [Intel-gfx] [Bug 3.15-rc2] intel framebuffer broken

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Date:	Tue, 22 Apr 2014 14:54:03 +0300
From:	Jani Nikula <jani.nikula@...ux.intel.com>
To:	Knut Petersen <Knut_Petersen@...nline.de>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-gfx] [Bug 3.15-rc2] intel framebuffer broken

On Mon, 21 Apr 2014, Knut Petersen <Knut_Petersen@...nline.de> wrote:
> Booting kernel 3.15-rc2 on an AOpen i915GMm-hfs, I see the framebuffer broken.
> Only about the upper left quarter of the monitor is used for displaying the boot messages,
> these (and the cursor) are replicated at the right of that area.

Is this before or after i915.ko is loaded?

> Approximately the lower half of the monitor stays black. The output of the xserver
> is not affected.

Most likely the fastest way to root cause is to bisect, please do. To
keep track of all the bugs we have, please file a bug on DRM/Intel at
[1] and while at it attach dmesg with drm.debug=0xe from the boot.

BR,
Jani.


[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI


-- 
Jani Nikula, Intel Open Source Technology Center
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