<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/3.28.3"> </HEAD> <BODY> Hi all :) building a kernel-rt failed. This are the steps I did: ### Downloading the kernel sources spinymouse@ubuntu:/usr/src$ wget ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.33.7.tar.bz2 <A HREF="http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.33.7-rt29.bz2">http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.33.7-rt29.bz2</A> ### Extracting the sources and patching the kernel spinymouse@ubuntu:/usr/src$ tar xvjf linux-2.6.33.7.tar.bz2 spinymouse@ubuntu:/usr/src$ rm linux-2.6.33.7.tar.bz2 spinymouse@ubuntu:/usr/src$ mv linux-2.6.33.7 linux-2.6.33.7-rt29 spinymouse@ubuntu:/usr/src$ ln -s linux-2.6.33.7-rt29 linux spinymouse@ubuntu:/usr/src$ cd linux spinymouse@ubuntu:/usr/src/linux$ mv ../patch-2.6.33.7-rt29.bz2 ../linux spinymouse@ubuntu:/usr/src/linux$ bunzip2 patch-2.6.33.7-rt29.bz2 spinymouse@ubuntu:/usr/src/linux$ patch -p1 < patch-2.6.33.7-rt29 spinymouse@ubuntu:/usr/src/linux$ rm patch-2.6.33.7-rt29 ### Editing a configuration spinymouse@ubuntu:/usr/src/linux$ uname -r 2.6.32-25-preempt spinymouse@ubuntu:/usr/src/linux$ cp /boot/config-$(uname -r) .config spinymouse@ubuntu:/usr/src/linux$ make oldconfig Pushing enter only. ### Disable staging spinymouse@ubuntu:/usr/src/linux$ gedit .config Editing CONFIG_STAGING=y to # CONFIG_STAGING is not set spinymouse@ubuntu:/usr/src/linux$ make oldconfig Nothing to do. ### Tidying up spinymouse@ubuntu:/usr/src/linux$ make-kpkg clean ### Building the kernel spinymouse@ubuntu:/usr/src/linux$ export CONCURRENCY_LEVEL=2 spinymouse@ubuntu:/usr/src/linux$ make-kpkg --rootcmd fakeroot --initrd kernel-image kernel-headers kernel-source ### First trial failed because of two kinds of errors I got several times tar: [...]: Cannot open: No such file or directory tar: vmlinux: Cannot write: No space left on device ### Creating space spinymouse@ubuntu:/usr/src/linux$ sudo -i root@ubuntu:~# synaptic Completely removed the following packages: linux-headers-2.6.32-23 linux-headers-2.6.32-23-preempt linux-image-2.6.31-10-rt linux-image-2.6.31-11-rt linux-image-2.6.32-23-preempt linux-image-2.6.32-24-preempt linux-image-2.6.33-23-realtime linux-image-2.6.33-29-realtime linux-image-2.6.33.5-rt23 linux-image-rt root@ubuntu:~# rm -r /usr/src/linux-2.6.33.5-rt23 root@ubuntu:~# rm /usr/src/linux-headers-2.6.33.5-rt23_2.6.33.5-rt23-10.00.Custom_amd64.deb root@ubuntu:~# rm /usr/src/linux-headers-2.6.33.7-rt29_2.6.33.7-rt29-10.00.Custom_amd64.deb root@ubuntu:~# rm /usr/src/linux-image-2.6.33.5-rt23_2.6.33.5-rt23-10.00.Custom_amd64.deb root@ubuntu:~# rm /usr/src/linux-image-2.6.33.7-rt29_2.6.33.7-rt29-10.00.Custom_amd64.deb root@ubuntu:~# rm /usr/src/linux-source-2.6.33.5-rt23_2.6.33.5-rt23-10.00.Custom_all.deb root@ubuntu:~# rm /boot/grub/grub.cfg_Oct* root@ubuntu:~# gparted There now should be enough free space. root@ubuntu:~# logout ### Checking if everything still is ok spinymouse@ubuntu:/usr/src/linux$ make oldconfig spinymouse@ubuntu:/usr/src/linux$ echo $CONCURRENCY_LEVEL Everything is ok. ### Tidying up spinymouse@ubuntu:/usr/src/linux$ make-kpkg clean ### Building the kernel spinymouse@ubuntu:/usr/src/linux$ make-kpkg --rootcmd fakeroot --initrd kernel-image kernel-headers kernel-source :) Didn't run 'make-kpkg clean', if something should be needed for debugging. ### Installing the image spinymouse@ubuntu:/usr/src/linux$ cd .. spinymouse@ubuntu:/usr/src$ sudo dpkg -i linux-image-2.6.33.7-rt29_2.6.33.7-rt29-10.00.Custom_amd64.deb spinymouse@ubuntu:/usr/src$ sudo gedit /boot/grub/grub.cfg ### I didn't try to boot he kernel ... because there's no initrd. spinymouse@ubuntu:/usr/src$ ls /boot -hAl total 21M -rw-r--r-- 1 root root 632K 2010-09-18 02:35 abi-2.6.32-25-preempt -rw-r--r-- 1 root root 109K 2010-09-18 02:35 config-2.6.32-25-preempt -rw-r--r-- 1 root root 108K 2010-10-03 04:53 config-2.6.33.7-rt29 drwxr-xr-x 3 root root  12K 2010-10-03 07:31 grub -rw-r--r-- 1 root root 8.0M 2010-10-02 12:22 initrd.img-2.6.32-25-preempt -rw-r--r-- 1 root root 157K 2010-03-23 10:40 memtest86+.bin -rw-r--r-- 1 root root 2.1M 2010-09-18 02:35 System.map-2.6.32-25-preempt -rw-r--r-- 1 root root 2.1M 2010-10-03 05:57 System.map-2.6.33.7-rt29 -rw-r--r-- 1 root root 1.4K 2010-09-18 02:38 vmcoreinfo-2.6.32-25-preempt -rw-r--r-- 1 root root 4.0M 2010-09-18 02:35 vmlinuz-2.6.32-25-preempt -rw-r--r-- 1 root root 4.0M 2010-10-03 05:57 vmlinuz-2.6.33.7-rt29 What could be the reason that I don't get an initrd? Cheers! Ralf </BODY> </HTML>