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I have ubuntu 12.04 with kernel 3.5. I have to install the RT_PREEMPT patch and I followed these steps:

sudo apt-get install kernel-package fakeroot build-essential libncurses5-dev
mkdir -p ~/tmp/linux-rt
cd ~/tmp/linux-rt
wget http://www.kernel.org/pub/linux/kernel/v3.x/linux-3.4.tar.bz2
wget http://www.kernel.org/pub/linux/kernel/projects/rt/3.4/older/patch-3.4-rt7.patch.bz2
tar xjvf linux-3.4.tar.bz2
cd linux-3.4
patch -p1 < <(bunzip2 -c ../patch-3.4-rt7.patch.bz2)
cp /boot/config-$(uname -r) .config && make oldconfig
make -j8
sudo make modules_install    
sudo make install

But while booting up the kernel it's showing the kernel panic:

kernel panic - not syncing. Attempting to kill init!

I tried installing kernel 3.8 as well. But its showing error while executing the make -j8 command.

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closed as off-topic by Luis Alvarado Jul 25 at 0:54

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – Luis Alvarado
If this question can be reworded to fit the rules in the help center, please edit the question.

1  
Why not use the Lowlatancy Kernel that is already available in Ubuntu repositories ? Read more wiki.ubuntu.com/RealTime –  Salih Emin Jun 28 '13 at 15:26
    
Was the information above helpful to you? Do you still have this problem? Thank you! –  Elder Geek Jun 28 at 17:27
    
I tried with Linux 3.6 and applied this patch also and it worked: mirror.anl.gov/pub/linux/kernel/projects/rt/3.6/stable/… –  user168758 Sep 10 at 9:09
    
@SalihEmin I was asked to use the RT-patch. I didn't have choice over it. –  user168758 Sep 10 at 9:14

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