Debian-kernel: Difference between revisions
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Redirected page to Debian Kernel setup |
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#REDIRECT [[Debian Kernel setup]] |
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__NOTOC__ |
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= GNU/Debian Kernel setup = |
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== How to build the Kernel from Debian repositories == |
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=== Get the sources and setup the environment === |
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# Install the proper packages to build the kernel |
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<pre><nowiki> |
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apt-get install ncurses-dev fakeroot kernel-package build-essential devscripts |
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</nowiki></pre> |
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# Build kernel dependencies |
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<pre><nowiki> |
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apt-get build-dep linux-2.6 |
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</nowiki></pre> |
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# Get Debian kernel sources |
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<pre><nowiki> |
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apt-get source linux-2.6 |
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</nowiki></pre> |
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* Note that `deb-src` must be present on `/etc/apt/sources.list` file |
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=== Build Debian Kernel === |
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# If kernel is patched, check it twice as follows |
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<pre><nowiki> |
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make -f debian/rules source-all |
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</nowiki></pre> |
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* First time must fail |
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* If building all kernel related packages, then do as follows. It takes almos 40GB on Hard drive. |
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<pre><nowiki> |
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~/src/linux-2.6-2.6.24~rc6$ debuild -e DEBIAN_KERNEL_JOBS=${NR_CPUS} |
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</nowiki></pre> |
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* If building an specific architecture, then |
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<pre><nowiki> |
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fakeroot make -f debian/rules.gen setup_i386_none_k7 |
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</nowiki></pre> |
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* This will build the packages for AMD K7 |
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* If there is any change to apply, then go the the `k7` folder and config the kernel |
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<pre><nowiki> |
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debian/build/build_i386_none_k7 |
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make menuconfig |
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</nowiki></pre> |
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* Build the kernel |
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<pre><nowiki> |
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fakeroot make -f debian/rules.gen binary-arch_i386_none_k7 binary-indep DEBIAN_KERNEL_JOBS=${NR_CPUS} |
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</nowiki></pre> |
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=== Install Debian Kernel === |
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Kernel packages will be created in `/usr/src` folder. Install them as any other ''deb'' package |
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<pre><nowiki> |
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dpkg -i linux*.deb |
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</nowiki></pre> |
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== How to build Real-Time Vanilla Kernel for Debian == |
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=== Get sources and setup environment === |
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# Create `vanilla` folder in `/usr/src` and change directory to such location |
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<pre><nowiki> |
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mkdir -p /usr/src/vanilla |
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cd !$ |
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</nowiki></pre> |
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# Download the latest rt patch |
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http://www.kernel.org/pub/linux/kernel/projects/rt/ |
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# Download the matched kernel for the proper patch downloaded in previous step |
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http://www.kernel.org/pub/linux/kernel/v2.6/ |
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# Decompress both, the linux kernel sources and the patch |
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<pre><nowiki> |
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tar jxvf *.bz2 |
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</nowiki></pre> |
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# Patch the kernel |
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<pre><nowiki> |
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cd linux-2.6.AA.BB |
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patch -p1 <../patch-2.6.AA.BB-rtNN |
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</nowiki></pre> |
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# Create a link `linux` which points to the linux kernel sources |
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<pre><nowiki> |
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ln -s /usr/src/vanilla/linux-2.6.AA.BB /usr/src/linux |
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</nowiki></pre> |
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=== Build RT Kernel === |
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# Go to the linux source folder |
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# Configure the kernel, if necessary `make menuconfig` |
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#* Backup the old config file |
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<pre><nowiki> |
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cd /usr/src/linux |
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cp .config config.yy-mm-dd |
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</nowiki></pre> |
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* When finish save your changes |
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* Build the bzImage |
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<pre><nowiki> |
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cd /usr/src/linux |
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make |
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</nowiki></pre> |
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=== Install RT Kernel === |
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* If only modules are needed, then use `make modules` |
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* Install the modules |
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<pre><nowiki> |
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make modules_install |
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</nowiki></pre> |
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# Install the kernel, usually locate on `arch/MY_ARCH/boot` in kernel sources |
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<pre><nowiki> |
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cp arch/MY_ARCH/boot/bzImage /boot/vmlinuz-2.6.AA.BB-rtNN |
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</nowiki></pre> |
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# Create initial root filesystem |
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<pre><nowiki> |
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cd /usr/src/linux |
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update-inintramfs -c -k 2.6.AA-BB-rtNN |
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</nowiki></pre> |
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# Add the proper entry to grub in `/boot/grub/menu.lst` |
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<pre><nowiki> |
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title RT kernel 2.6.AA.BB-rtNN |
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root (hd0,0) |
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kernel /boot/vmlinuz-2.6.AA.BB-rtNN root=/dev/hda1 ro |
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initrd /boot/initrd.img-2.6.AA.BB-rtNN |
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</nowiki></pre> |
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* '''TIP:''' if `default` parameter is set to `0` at the beginning of the `menu.lst` file, then try to put this entry at the top of the entries list. |
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Latest revision as of 05:45, 12 June 2015
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