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Old 03-23-2012, 04:08 PM
Ian Pilcher
 
Default nouveau KMS regression with kernel 3.3.0-4.fc16.x86_64

https://bugzilla.redhat.com/show_bug.cgi?id=806091

Anyone have any ideas what I can do to debug/correct/workaround this?

Thanks!

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"If you're going to shift my paradigm ... at least buy me dinner first."
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Old 03-23-2012, 09:06 PM
jdow
 
Default nouveau KMS regression with kernel 3.3.0-4.fc16.x86_64

On 2012/03/23 10:08, Ian Pilcher wrote:

https://bugzilla.redhat.com/show_bug.cgi?id=806091

Anyone have any ideas what I can do to debug/correct/workaround this?

Thanks!


Um, have you looked at what happens if you bring the mouse to the edges
of the screen? It looks like X did not recognize your screen and stuffed
your specified 1920 size screen into a 1600 or smaller size screen which
scrolls around as you move your mouse to the screen edges. You must beat
X into understanding your monitor's true size, if this is the case.

{^_^}
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Old 03-23-2012, 10:17 PM
Ian Pilcher
 
Default nouveau KMS regression with kernel 3.3.0-4.fc16.x86_64

On 03/23/2012 05:06 PM, jdow wrote:
> Um, have you looked at what happens if you bring the mouse to the edges
> of the screen? It looks like X did not recognize your screen and stuffed
> your specified 1920 size screen into a 1600 or smaller size screen which
> scrolls around as you move your mouse to the screen edges. You must beat
> X into understanding your monitor's true size, if this is the case.

That's not what's happening.

I forgot to get the xrandr output (and the screen is in the office), but
xrandr shows it running at 1920x1200, with the exact same modeline as
the working kernel.

--
================================================== ======================
Ian Pilcher arequipeno@gmail.com
"If you're going to shift my paradigm ... at least buy me dinner first."
================================================== ======================

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Old 03-28-2012, 03:33 PM
Ian Pilcher
 
Default nouveau KMS regression with kernel 3.3.0-4.fc16.x86_64

On 03/23/2012 12:08 PM, Ian Pilcher wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=806091

I have bisected this and determined that the problem is triggered by the
HDMI-related functionality (audio, etc.) that was added to the nouveau
driver in 3.3. I have attached a patch to the bug that adds a module
parameter to disable all of the new functionality, reverting to the 3.2
behavior and making my display work.

This is my main work display, so I need this to work, and I'm obviously
not eager to have to rebuild the kernel every time an update comes out
(let alone forward-porting the patch).

Could someone please look at this bug?

Thanks!

--
================================================== ======================
Ian Pilcher arequipeno@gmail.com
"If you're going to shift my paradigm ... at least buy me dinner first."
================================================== ======================

--
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