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. _______________________________________________ Xenomai-help mailing list Xenomai-help@gna.org https://mail.gna.org/listinfo/xenomai-help