How do I deblob an kernel build for ubuntu?
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I wanted to install a newest libre kernel for my laptop but when I did that, I had some problem with brightness. Maybe if I deblob a kernel for ubuntu I will have more luck. But I don't know how to do it.I know ubuntu kernels have some patches.
I am a translator!
What laptop do you have? There is an issue with brightness on ASUS 1005P, that can be solved by one line in the grub configuration file.
Also, please be more precise when describing the issue and what hardware you use, otherwise it's pretty impossible to know what's wrong.
Edit: here are the scripts used by the linux-libre project in order to deblob the kernel
I have a Samsung NP300v5z laptop .
Specs:
cpu : intel core i5 2410M
lcd: 15.6" LED HD (220 nit. Non Glass)
vram: NVidia GT520MX gDDR3 1GB HBR
memory: 4 GB
odd: Super Multi Dual Layer (SATA)
communic: Intel 802.11 bgn(1x1) + BT3.0HS
Trisquel-mini 64 bit
kernel: 3.2.0-48-generic
To have brightness control for LXDE I must download "xbacklight" package.
After this I have to do this: (for all desktops environments not only lxde)
sudo gedit /etc/default/grub
change the line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
save file
than in terminal:
sudo update-grub2
After that I can change the brightness with commands in terminal:
xbacklight -dec 85
xbacklight -inc 10
, for example.
The problem is with the kernel 3.10 and maybe others. When my laptop enter in pause mode when I don't move the mouse, when it returns from that state I lose my stetting brightness and if I type those commands with xbacklight nothings happens.(no errors , nothing). I must restart the laptop and type again in terminal those commands.
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