Re: Sandy bridge and kernel 3.1

2011-09-14 Thread Martin Steigerwald 
Am Dienstag, 13. September 2011 schrieb Rémi Marchal:
 Hello!

Hi Rémi,

 I have bought the laptop N53SN-SZ126V from ASUS with the technology
 Sandy Bridge. When I install the last stable version of Debian, I get
 a black screen typical of the incompatibility of the kernel and Sandy
 bridge.
 
 I have read that the kernel 3.1 works very good with Sandybridge. Is it
 possible to use the stable version with the kernel 3.1.If not, what
 solutions could you propose to me ?
 
 Thanks a lot for your help,

I use a ThinkPad T520 with Intel i5 Core Sandybridge onboard graphics only 
with Debian Kernel package 3.0.0-3 and mesa 7.11. Works like a charm, 
except for some glitches:

1) kwin crashes when starting the first time unless I do

martin@merkaba:~ cat .kde/env/fix-kwin-intel-gl.sh
#!/bin/sh
export KWIN_DIRECT_GL=1

reported this already. This only happens since mesa 7.11. Which I still 
prefer since it fixed corruptions with playing a playstation game via pcsx 
reloaded.

2) if compositing in kwin is enabled and I leave a game from full screen 
mode the X server might crash. I am not sure actually whether I reported 
this. I think I have...

I did try 3.1.0-rc4 debian package for a short while. It basically worked, 
but there is no linux-kbuild for it yet for building virtualbox and 
thinkpad smapi modules, so I reverted to 3.0.

In summary my short recommendation is: Use Wheezy (or Sid if you want to 
live on the edge, but not necessary anymore) instead of Squeeze on 
Sandybridge machines ;).

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7


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Re: Sandy bridge and kernel 3.1

2011-09-13 Thread Camaleón 
On Tue, 13 Sep 2011 01:06:40 +0200, Rémi Marchal wrote:

 I have bought the laptop N53SN-SZ126V from ASUS with the technology
 Sandy Bridge. When I install the last stable version of Debian, I get a
 black screen typical of the incompatibility of the kernel and Sandy
 bridge.

By typical you mean is a known bug that cannot be solved/bypassed by 
any means but getting the latest and greatest kernel? :-?
 
 I have read that the kernel 3.1 works very good with Sandybridge. Is it
 possible to use the stable version with the kernel 3.1.If not, what
 solutions could you propose to me ?

Yes, you can. Indeed, you have several alternatives:

1/ Use stable and a backported kernel (currently 2.6.39)
2/ Try with Debian testing (kernel 3.0)
3/ Compile your own kernel from whatever source (Debian/kernel.org) and 
work with that

Greetings,

-- 
Camaleón


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Sandy bridge and kernel 3.1

2011-09-12 Thread Rémi Marchal 
Hello!
I have bought the laptop N53SN-SZ126V from ASUS with the technology Sandy
Bridge. When I install the last stable version of Debian, I get a black
screen typical of the incompatibility of the kernel and Sandy bridge.

I have read that the kernel 3.1 works very good with Sandybridge. Is it
possible to use the stable version with the kernel 3.1.If not, what
solutions could you propose to me ?

Thanks a lot for your help,
++

-- 
Rémi