Theo Veenker wrote:
> Gilles Chanteperdrix wrote:
>> Theo Veenker wrote:
>>> Theo Veenker wrote:
>>>> Gilles Chanteperdrix wrote:
>>>>> Theo Veenker wrote:
>>>>>> Stefan Kisdaroczi wrote:
>>>>>>> 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.
>>>>>> Unfortunately this doesn't make a difference. Created initrd for 
>>>>>> regular and
>>>>>> kernel with xenomai; grub config OK. But still the regular kernel 
>>>>>> works and
>>>>>> the other one gives me just a black screen.
>>>>> Have you tried removing "quiet" from the kernel command line?
>>>> Yes I always do. It somehow hangs before outputting anything. In the 
>>>> meantime
>>>> I have recompiled again with BLK_DEV_INITRD set and running 
>>>> update-initramfs etc
>>>> as Stefan suggested. No effect. When I install this kernel on an Ubuntu 
>>>> hardy
>>>> system it works as expected; on Ubuntu lucid it does not. Could it be 
>>>> due to
>>>> this plymouth crap?
>>> (back from holliday) I really like to get my kernel working. I just compiled
>>> a kernel 2.6.32.11 with lots of stuff (sound etc) disabled. The regular 
>>> kernel
>>> works fine, with adeos-ipipe-2.6.32.11-x86-2.6-03.patch patch applied it 
>>> does
>>> not work for Ubuntu 10.04 distro (blank screen) but *does work* for Ubuntu 
>>> 8.04.
>>> What could be the cause of this weird problem? It must be something very 
>>> early
>>> in the boot process that's different between the distro versions that makes 
>>> the
>>> kernel work in one environment and not in the other.
>>>
>>> I'm posting my latest config in the hope someone sees that I screwed up
>>> something there.
>> It is difficult to know what is going on without being able to reproduce
>> this issue. However, a few suggestions:
>> - you have several consoles enabled, including the "dummy" console,
>> please try and only enable the one you want output from, or use the
>> kernel parameter "console", for instance console=ttyS0,115200 if you
>> want output on the serial port;
> 
> It seems impossible to disable the dummy console from the config gui.
> I finally found a dumb terminal that actually works so I'm now going to
> test the console= kernel param.

Ok. Try output on serial console, chances are that you will get more
messages, especially with the "early console", than on screen.

> 
>> - have you tried Xenomai 2.5.4 and the Adeos patches it contains?
> 
> Yes, that's what I'm working with.

Not according to the post I was answering to.

-- 
                                            Gilles.

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