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Date: Fri, 11 Sep 2009 15:04:41 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] Problems with instalation of xenomai in ubuntu
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To: Flavio de Castro Alves Filho <flavio.alves@domain.hid>
Cc: xenomai@xenomai.org

Flavio de Castro Alves Filho wrote:
> Hello,
>  
> I am new with Xenomai and I am having problems in booting a compiled
> kernel into Ubuntu 8.10. I could compile the kernel with the appropriate
> patch, configured grub to load the new kernel. But, when I boot the new
> kernel, it performs all the boot configurations and at the end, when the
> gnome is about to be loaded, the computer starts to blink the display
> and then blocks.
>  
> I am using the following configuration:
>  
> - x86 platform (my notebook ... an intel core2duo machine)
> - xenomai version 2.4.9
> - linux 2.6.30
> - ubuntu linux 8.10
> I performed the following steps:
>  
> - downloaded file linux-2.6.30.tar.bz2 from kernel.org <http://kernel.org>
> - downloaded file xenomai-2.4.9.tar.bz2 from xenomai website
> - from my home directory, I decompressed both files
> - applied the patch, running the "scripts/prepare-kernel.sh" and
> provided the path for my source files "/home/flavio/linux-2.6.30". The
> script had correctly found the patch to be applied to my sources.
> - make xconfig:
>    - disabled HPET timer support
>    - disabled PC Speaker
>    - disabled Power Management Support
>    - disabled CPU frequency scaling
>    - enabled VxWorks emulator
>    - enabled RTAI emulator
>    - enabled Testing drivers
> - make
> - make modules
> - sudo make modules_install
> - sudo make install
> - cd /boot
> - sudo update-initramfs -c -k 2.6.30
> - created an entry in grub list:
>  
> title Xenomai 2.4.9 Linux 2.6.30
> root (hd0,2)
> kernel /boot/vmlinuz-2.6.30 root=/dev/sda3 ro
> initrd /boot/initrd.img-2.6.30
> savedefault
> boot
>  
> Just as a remark, I performed before the same procedure, except for the
> xenomai patch, and I could execute the linux 2.6.30 kernel in my computer.
>  
> Had anybody passed by the same experience? I have no idea what the
> problem could be.

The keyboard blinking means that you have a kernel panic. Try to get the
kernel panic text (using serial console or network console for
instance), and send it. Some people even made a snapshot of the kernel
panic on their screen.

-- 
                                          Gilles