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Old 09-23-2013, 05:30 AM   #1
plusminus1
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Debian 7 Kernel upgrade


hey everyone,

so I finally decided to kick windows for good.

Now I installed Debian 7 with kernel 3.2 on my Toshiba Satellite U945 S4390.

It has backlight support and works when I boot my laptop but doesnt in Linux. after some research i found out that i need to upgrade my kernel to at least 3.9.

Seeing that 3.11 is the latest stable, I decided to compile and install it. Afterwards, when i start the "3.11 version" of debian, all my function keys dont work any more, the brightness of my screen is stuck to the darkest setting and as far as i know, the backlight is proportionate the screen and if i push fn+z (which is my backlight shortcut) the Icon pops up but the screen doesn't illuminate

my question is, did i compile the Kernel wrong?

would be very grateful for some help ^_^
 
Old 09-23-2013, 09:33 AM   #2
jdkaye
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I don't think you're going to find a 3.9 kernel is Debian's stable release. It seems to go only as far as 3.2 in Wheezy. Is there any reason not to use Debian Testing (aka Jessie)? It's going to be a lot easier than trying to compile the kernel. You get a 3.10 kernel with Jessie and if you really want a 3.11 kernel you can do some apt-pinning and get it from Experimental.
jdk
 
Old 09-23-2013, 09:39 AM   #3
TobiSGD
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You can install the 3.10 kernel from Debian's backports repository, no need to compile it yourself or upgrade to Testing: http://backports.debian.org/
 
Old 09-23-2013, 10:53 AM   #4
jamison20000e
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FnFxd could help? I use a vaio tho...
and @ SF: http://sourceforge.net/projects/fnfx/

Last edited by jamison20000e; 09-23-2013 at 10:55 AM.
 
Old 09-23-2013, 11:16 AM   #5
edbarx
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I regularly use Debian. The usual solution to your problem is the one mentioned by TobiSGD: Use backports.
 
Old 09-23-2013, 11:57 AM   #6
jamison20000e
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Quote:
Originally Posted by plusminus1 View Post
... after some research ...
Can you post a link?

"there's more than one way to skin a flea"

Last edited by jamison20000e; 09-23-2013 at 12:01 PM.
 
Old 09-23-2013, 12:46 PM   #7
plusminus1
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@TobiSGD
Installing a Kernel from Backports was super simple, but it didn't help me either... thanks anyways
when i reboot i get an error saying virtualbox kernel enhancements can't bla bla (doesn't stay on screen long enough)[but i don't get this error when i'm booting into my 3.2 image]

@jamison20000e
thanks, tried installing the package but i'm running the 64bit version of Debian and it doesnt like that package (haven't tried the Sourceforge version though)
Can't remember the specific article i read, but here's one http://www.linuxjournal.com/content/...ux-kernel-news
 
Old 09-23-2013, 01:17 PM   #8
jamison20000e
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Try (su or sudo:)
Code:
echo -n 6 > /sys/class/backlight/acpi_video0/brightness

then: http://unix.stackexchange.com/questi...h-fn-key-state

Last edited by jamison20000e; 09-23-2013 at 01:27 PM.
 
Old 09-23-2013, 02:00 PM   #9
plusminus1
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@jamison20000e
thanks, the command does work and concerning my FN keys, i guess i have to switch them arround, haven't tried it yet.
Interesting is that some keys work (f9 volume down, f10 volume up) and some dont (f2 brings up power settings menu, f3 puts my computer to sleep)

And the keyboard backlight ~doesnt~ illuminate according to screen brightness, it doesnt illuminate at all xD (when i press the button the icon pops up but i cant make it brighter / dimmer [i'm guessing because my backlight only has the on/off settings, at least in Windows])
 
Old 09-23-2013, 03:10 PM   #10
jamison20000e
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Good to hear it worked on your side as well. I was glad to find it, will come in useful to me while I use a command to control the volume outside of a desktop environment...

Last edited by jamison20000e; 09-23-2013 at 08:30 PM.
 
  


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