Hello,
Sorry for the delay in the response.

In fact, I believe it is not really a kernel panic, because the login
message appears at the screen just before the screen is cleared (and the
computer is blocked). Sometimes I can see the mouse pointer for X, but the
computer is also blocked.

The boot behavior is something like this:

- normal boot, which the messages on the screen (I suppose the messages are
correct)
- login message (terminal mode)
- switch to X mode
- system block

Build information:
- Linux kernel 2.6.30
- Xenomai version 2.4.9.1 (I have tried also with xenomai 2.4.9 and I had
similar results)
- GCC version 4.3.2
- Ubuntu 8.10

Which information can I send to you in order to be more specific?

Thanks for your help.

Best regards,

Flavio

2009/9/11 Gilles Chanteperdrix <[email protected]>

> 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
>
>


-- 
Flavio de Castro Alves Filho
Embedded Software Services
www.phiinnovations.com
+55 11 84 94 56 76
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