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Re: Problems with kernel 3.1 and vaio Z21 (2011)

 

Maybe the screens themselves have a 16-bit DAC ?

Best regards,

Joël

-- Sent from my Android phone. Please excuse my brevity.
On Sep 27, 2011 6:45 PM, "Rob Mukai" <dothedog2010@xxxxxxxxx> wrote:
> Well, I just tried changing the DefaultDepth to 16 to see what would
happen.
> Not pretty. I also did a
> xdpyinfo | grep "of root"
> depth of root window: 24 planes
>
> So it looks like it is in 24 bit color depth. I wonder why it is rendering
> the gradients so poorly...
>
> DoTheDog
>
> On Tue, Sep 27, 2011 at 8:29 AM, Rob Mukai <dothedog2010@xxxxxxxxx> wrote:
>
>> Nicklas and Damien, Yeah I noticed both problems, fn+F1 doesn't work for
me
>> either (tried xev and no response) also color depth seems to be a problem
>> for me as well. I tried putting in an xorg.conf like this:
>>
>> Section "Screen"
>> Identifier "Default Screen"
>> DefaultDepth 24
>> EndSection
>>
>> Section "Module"
>> Load "glx"
>> EndSection
>>
>> but it doesn't seem to help.
>>
>> Finally, FYI I did post my ubuntu installation instructions in the
>> ubuntuforums here:
>> http://ubuntuforums.org/showthread.php?t=1850544
>>
>> DoTheDog
>>
>> On Tue, Sep 27, 2011 at 8:03 AM, Nicklas Overgaard <nicklas@xxxxxxxxx
>wrote:
>>
>>> On 2011-09-27 10:55, Damien R wrote:
>>>
>>> On 26 September 2011 22:45, Rob Mukai <dothedog2010@xxxxxxxxx> wrote:
>>>
>>>> NIcklas, Well over the weekend, I tried installing the fglrx driver
from
>>>> ATI and it completely blew up my install. I ended up reinstalling from
>>>> scratch, following my notes. A couple of things, 1. I will wait for
better
>>>> support of the PMD Graphics card before trying again ;) 2. I didn't
need to
>>>> upgrade MESA to get full 3d/compiz working with the 3.1.0-rc6 kernel.
MESA
>>>> 7.10.2 works just fine. Everything else went in fine as per my notes.
vaio
>>>> patched kernel, WWAN, Clickpad, Power Management, FN buttons, etc.
Maybe
>>>> I'll post my install notes. See if you can see anything different.
>>>>
>>>
>>> Nice !
>>> I have a question regarding FN Buttons, does FN+F1 key work ? For me,
the
>>> key is not recognized even with the xev utility.
>>>
>>> Regards,
>>> Damien R.
>>>
>>> No, my fn+f1 is not working.. not even in wintendo 7 :)
>>>
>>> Btw, I discovered something strange during the weekend....
>>>
>>> I'm on RC6 kernel, stable mesa. When i'm using the laptop with the
onboard
>>> screen, it looks like the color depth is 16 bits -> crappy drawing of
>>> gradients and transparency in my terminals is kind of ugly. On the other
>>> hand, when i'm using the external display via HDMI, it's runinng 24 bits
(or
>>> what ever it's called), so nice gradients, perfect transparency etc.
>>>
>>> I wonder how that is? Is the onboard screen reporting something weird to
X
>>> or another subsystem? Or is X or subsystem Y failing to recgonize that
the
>>> onboard screen is capable of higher colordepths?
>>>
>>> My 5 cents for now :) I'm waiting for the open-source ATI graphics stack
>>> to pick up the support - the Catalyst drivers has also destroyed a big
part
>>> of my setup a week ago, managed to recover though.
>>>
>>> /Nicklas
>>>
>>> _______________________________________________
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>>>
>>

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