Re: [Xenomai-help] kernel 2.6.32.11 with xenomai 2.5.3 fails to boot on ubuntu lucid system

[Stefan Kisdaroczi <kisda@domain.hid>]

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On 20.07.2010 09:43, Theo Veenker wrote:
> Hi,
>
> I want to upgrade all our PC's from Ubuntu hardy to lucid and in the process
> I'm also going from kernel 2.6.29.5 with Xenomai 2.4.8 to kernel 2.6.32.11
> with Xenomai 2.5.3.
>
> I first built and tested the 2.6.32.11 kernel with 2.5.3 on my hardy system
> and all went fine. But the problem is it just doesn't run on the lucid distro.
> However the vanilla kernel runs fine. I also tried with a config based on the
> ubuntu lucid config, with relevant modules compiled in (I don't use initrd).
>   

Are you sure it's not initrd related ?

After installing the kernel with dpkg --install i had to run
'# update-initramfs -c -k all' and '# update-grub' manually.
This is not necessary on debian lenny/squeeze and worked
(if I remember correctly) with ubuntu karmic too.
Check in your grub config if there is a initrd entry.

Stefan

> It looks like the same problem as in this thread:
> https://mail.gna.org/public/xenomai-help/2010-06/msg00008.html
> Just a black screen after the boot loader. The keyboard leds responds to
> capslock etc for a few seconds.
>
> What could it be that with identical hardware the same kernel runs fine (with
> decent latencies) under ubuntu hardy and not at all under ubuntu lucid? I
> also tested another (older) system with a different mobo. Same result.
>
> If there's anyone running a recent kernel with Xenomai 2.5.3 on an ubuntu lucid
> system, could you please send me the kernel config?
>
> Thanks,
> Theo
>
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>   



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