From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4C45CF88.20608@domain.hid> Date: Tue, 20 Jul 2010 18:32:08 +0200 From: Theo Veenker MIME-Version: 1.0 References: <4C45539B.70204@domain.hid> <4C45770F.10302@domain.hid> <4C458607.1060402@domain.hid> <4C45869D.9020501@domain.hid> In-Reply-To: <4C45869D.9020501@domain.hid> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-help] kernel 2.6.32.11 with xenomai 2.5.3 fails to boot on ubuntu lucid system List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org 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? Theo