On 10/19/2012 02:24 AM, Sebastián Pavez wrote: > El 18-10-2012 1:28, Gilles Chanteperdrix escribió: >> On 10/18/2012 02:40 AM, Sebastián Pavez wrote: >> >>> El 16-10-2012 22:11, Gilles Chanteperdrix escribió: >>>> On 10/16/2012 05:15 PM, Sebastián Pavez wrote: >>>> >>>>> Hi, >>>>> >>>>> My name is Sebastian and I'm a chilean student from PUCV. Currently I >>>>> have to develop a RT proyect, but the problem is that I dont have >>>>> experience with Linux and a lot less with Xenomai. Nevertheless i >>>>> arrived to install xenomai 2.6.0 on Ubuntu 12.04, but when I try to >>>>> execute ubuntu with the xenomai kernel the screen goes black >>>> Please remove "quiet" from Linux command line, and make sure that you >>>> have all the drivers necessary for the your system to boot, including: >>>> - video display driver >>>> - root file system device driver >>>> - root file system driver >>>> >>> Hi, >>> >>> I tried to everything from scratch, but i get the same problem. I tried >>> remove the quiet splash and I could see the line >>> "Fallback graphics default" well, this is when I execute the kernel with >>> xenomai in recovery mode. Because when I tried it in >>> a normal way I get the blacl screen with a twinkle, in this case I'm >>> able to put my password and I heard the entry sound (with some >>> distorsion), so like you said it maybe some driver's problem. >>> In the recovery mode I checked the application drivers and nothing. >>> Maybe it's something simple but I'm quite stuck, I've never used linux >>> before and I really need to get this operative, so if you or someone >>> else could help me ... in plain language would be awesome ... >>> Thanks in advance >>> >>> PS: In the recovery mode I tried the xenomai tests, I attached the >>> captures ... >> >> Your problem is configuring the kernel. So, please start with the Ubuntu >> kernel configuration, and simply disable the problematic options >> described here: >> http://www.xenomai.org/index.php/Configuring_x86_kernels >> >> If you do not know how to configure and compile a kernel, I suggest you >> read some documentation on the web, such as: >> http://kernelnewbies.org/KernelBuild >> > Thanks Gilles for your answers and time. > > I tried one more time from scratch. I used Xenomai 2.6.0 and the kernel > Linux 2.6.38.8. > The only changes I made in the configuration are the suggested in the > page you send me (_CPU_FREQ, _APM, _ACPI_PROCESSOR _INTEL_IDLE, > _PCI_MSI), I also disable _CC_STACKPROTECTOR and in the Preemption Model > i choose "Preemptible Kernel (Low-Latency Desktop)". I have a i3 > processor so I choose the Core 2/newer Xeon's Processor family.
You forgot to disable KGDB. > > I got the same result (black screen with the sistem apparently working > behind like I said), I realise that I didn't follow the recomendations > mentioned in this page http://kernelnewbies.org/KernelBuild, because I > tried to follow this tutorial > http://www.blaess.fr/christophe/2011/12/28/xenomai-2-6-0-sur-ubuntu-11-10/ > . So tomorrow I will try to do this on my own with newer versions of the > kernel and probably with xenomai 2.6.1. > > Before that I would like to know if the configuration parameters I > choose are ok, I don't know how to get a list of all of the parameters > to put it here but the only changes I made are the ones listed above. I > have doubts with Preemptible Kernel option because it wasn't listed on > the page, so I really don't know what is the cause. If it's not a > configuration issue, could be other causes to my problem?? ... I hope > not, because at least it's delimited. Well, simply attach the .config file... -- Gilles. _______________________________________________ Xenomai mailing list [email protected] http://www.xenomai.org/mailman/listinfo/xenomai
