Fedora :: Compiling A Vanilla Kernel?
Apr 9, 2010
I am trying to compile a vanilla kernel that I got from git in a VirtualBox VM running Fedora 12. With RHEL (albeit on real hardware, not a VM), I am able to do a make; make modules_install; make install and simply able to boot up the kernel. The make install step, in particular, creates the initrd using /sbin/installkernel, which also updates the grub configuration.
Under Fedora 12, my new kernel does not boot. I see no messages on the screen, not even if I change the boot command line to remove quiet bootup. I see disk usage on the VM and the CPU gets pegged at 100%. Strangely enough, if I change the initrd to refer to an existing, Fedora-provided kernel, I can boot my new kernel without any problems. I started with a Fedora kernel config and used it to generate the config for my new 2.6.33 kernel, so it couldn't be the case that I missed something in the config either.
Does anybody have an idea about what could be going on? Is there some specific patch that Fedora kernels use that are essential for booting up?
Also, the guest Fedora OS is 64-bit, if that is relevant.
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Nov 29, 2010
i want to compile the vanilla kernel 2.6.37-rc3, but i want to obtain a .rpm file. I found this guide long time ago (i used it many times) but it use src.rpm package and the contained kernel.spec file have many lines for adding patches. Someone know where can i download a kernel.spec for vanilla kernel or a guide to obtain an rpm file
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Oct 17, 2010
I've downloaded 2.6.36-rc8 vanilla kernel, then I copied .config file from my current working kernel 2.6.32.21-168.fc12.x86_64, then I've configured, compiled and installed kernel like this:
Code:
make gconfig
make -j4 all (or make all)
make modules_all
make install
The last command edits my grub.conf file and writes this:
[Code]....
I checked my .config and ACPI, and File Systems are built into kernel and not loaded as modules... And, I have LVM but my /boot partition isn't in it, so I don't HAVE to use initrd, right? How can I boot from a vanilla kernel without initrd ?
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Jun 29, 2011
Im using a Fedora 15 and im trying to compile a 3.0.0rc5 kernel. but im unable to get a config for my machine to boot up. i tried make localmodconfig it says
using config: '.config'
capifs config not found!!
Restart Config
and then i tried cp /boot/config-2.6.38.6-26.rc1.fc15.i686.PAE .config to override the default config but stil that doesnt work. work around to get a proper config so that i can boot the latest kernel here?
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Apr 29, 2010
I thought I would give some instructions on how I compile my kernels. My long-time windows user parts trader recently asked me how to compile a kernel on Fedora. He was confused with all the tutorials requiring you to build an RPM, so I showed him how I do it, the standard/easy/lazy way. Before I start, here are a couple things I assume. I assume you are a Fedora user and that you are NOT in text mode, but in GNOME. I also assume you realize that this can take up to SIX HOURS on an old Pentium 3 1.3Ghz. Remember that some proprietary drivers as well as some free ones are not included in the kernel, so make sure you don't delete your existing one.
First get the dependencies you need.
su -c "yum -y install gcc ncurses-devel"
Next get the kernel source. I use 2.6.33.3 as an example. To download it, click here.Extract it by right-clicking on the file and then choosing extract here. This will take about five minutes. Now open a terminal, become root, and cd to the directory linux-2.6.33.3. It is important to cd here and not to the kernel directory inside of there, even though make has an extra variable that specifies there.
Now we need to configure the kernel before we build it with make O=kernel menuconfig. It will take a couple minutes to set up, then you will be presented with a cheap psuedo-gui in your terminal. Just select exit and yes to save your config. You usually don't need to change anything here.
Ready to compile and install? Remember this can take up to six hours, and your machine may become VERY slow. It is not recommended that you attempt to use your machine with this in progress. OK then. As root, in the same directory, type:
make O=kernel && make O=kernel modules_install install. This will compile the kernel and install the kernel and it's modules. Done? Now change the kernel and initrd in your bootloader to match the new kernel. If you ever want to reuse the same source code folder, use make mrproper to clean things up and build it again.
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May 24, 2011
What is vanilla kernel and what distributions are using it?
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Jun 13, 2010
I am trying to compile a new vanilla kernel on to my Ubuntu server system which has been freshly installed with Ubuntu 10.04 server 32bits. As this will run on a VIA epia-px5000eg mainboard with USB stick I want compile this kernel on a different machine on which is also ubuntu 10.04 installed. Unfortunately currently I experience difficulties when I boot kernel 2.6.34; it says "Kernel panic - not syncing: VFS: unable to mount root fs on unknown block" while if I load to original kernel that comes with Ubuntu 10.04 all works perfectly well. BTW reason I want to build a custom vanilla kernel is to trim down kernel to the necessary services I need as I am running a server that requires just the essentials. And it needs to support the VIA Epia CPU processor family ( C3, C7 or generic setting which is another hurdle which I won't discuss here ).
Hopefully one out there is able to guide me further as I type step by step what I executed. Thanks for your replies in advance:
Yet I hook up the VIA epia-px5000g with 2gb usb stick, a dvd drive and keyboard ( all usb ). Boot from CDrom and install a minimal system (<f4>) to usb stick. Partitioning part I set it to EXT4 and used full size thus no SWAP. Also mount option " noatime " has been set all to save writes to usb stick.
When the base system has been installed a user has been added, as well apt is being configured to install only security updates automatically. As services I want to run definitely openSSH-server so I can access remotely. Grub gets configured and system will be rebooted.
At this stage I configure the network interface to a static address so I do not need to check my router all the time which dhcp address Ubuntu is using if I want to access remotely.
Now the compile part starts, the ubuntu way. I log in to my other system and execute following commands accordingly code...
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Dec 13, 2010
which vanilla kernel version provide support for QM57 chipset?
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Apr 30, 2011
I've getting strange build errors when using make-kpkg with the latest (2.6.39-rc5) vanilla kernel.I'm using the procedure outlined here:
https:[url]....e.g.:
Code:
make oldconfig CONCURRENCY_LEVEL=`getconf _NPROCESSORS_ONLN` fakeroot make-kpkg --initrd --append-to-version=-custom kernel_image kernel_headers
I'm getting the following build errors:
Code:
Building modules, stage 2.
MODPOST 3053 modules
WARNING: modpost: Found 60 section mismatch(es).To see full details build your kernel with:'make CONFIG_DEBUG_SECTION_MISMATCH=y'
CC arch/x86/crypto/aesni-intel.mod.o[code]....
There is even much more error output but it looks like it is basically the same issue.
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Sep 16, 2010
i'm using this guide videos - howto: debian linux kernel compilation, part 1 and the author says i need kernel 2.6.26 this version of kernel doesnt longer exist in kernel.org website and the only 2.6.26 i found is a patch here. should i use the patch? or download another version of kernel?
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Feb 24, 2010
I am trying to compile older version of kernel 2.6.23.4 on my fedora 11.
I am following below steps:
1)make menuconfig
2)make bzImage
3)make modules
4)make modules_install
5)make install
Kernel is compiling. After doing make modules_install it says:
My grub.config looks like:
But after that the cursor only blinks nothing happens.
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Feb 9, 2011
I am cross compiling a linux kernel for the mips platform. I have installed the tool chain and everything. When i try to build the kernel i get the following error message.
HOSTCC -static scripts/basic/fixdep
scripts/basic/fixdep.c: In function traps
scripts/basic/fixdep.c:377:2: warning: dereferencing type-punned pointer will break strict-aliasing rules
scripts/basic/fixdep.c:379:4: warning: dereferencing type-punned pointer will break strict-aliasing rules
[Code].....
If i set up the toolchain on a fedora 13 machine with the exact same procedure, the cross compilation works fine. I can't figure out how this can be fixed. I am currently considering downgrading to fedora 13 due to this.
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Jun 22, 2011
I am compiling and installing the custom kernel based on the instructions provided in Building_a_custom_kernel on fedoraproject.org/wiki site.
However, according to the instructions, anytime I change anything in the kernel source files(e.g /driver/ata/libata-core.c), I have to create a patch a rebuild the whole kernel and install this new kernel which takes 2 hours. Is there a simpler way of recompiling what has changed(without creating patch) and try that changed kernel? Since my changes are not in the drivers which can be dynamically loaded but is in the static code of the kernel, it is making life cumbersome.Are there any instructions for this? How does other kernel developers manage this?
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Apr 20, 2011
Using the rpmbuild to compile the kernel, every time the patches will be applied to the source code. So even if no changes are made to the source code and no patches are added to kernel.spec, the whole kernel will still be recompiled, wasting a lot of time
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Jun 7, 2011
Downloaded the stable kernel 2.6.36.4 from kernel.org/ (Current Kernel:2.6.18-92.el5) However i have extracted the source code .ran make mrproper copied the old configuration file and selected it by using make menuconfig .However after selecting it and clicking ok i m getting following error.
Code: .
config:656:warning: symbol value 'm' invalid for IP_DCCP_CCID3
.config:657:warning: symbol value 'm' invalid for IP_DCCP_TFRC_LIB
#config:1353:warning: symbol value 'm' invalid for FIXED_PHY
# configuration written to .config 'm' invalid for IWL4965
[code]....
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Mar 2, 2011
so I am wanting to compile my own kernel to see if i can get my laptop to run a lill better. I found the how too's to do the compile, but what I want to know is.. what is the most complete way to find all the hardware and such that is in my laptop so i can build all the support into the kernel that i need and leave out EVERYTHING i dont need.
i figured lspci is a start but there has to be more info somewhere to find the exact needs of the laptop.
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Jun 18, 2010
i want to compile and make kernel 1.0.0(the first kernel sources of linux) but its asking gas..... yup gnu assembler. i am using ubuntu 9.10 and if you ask why i am compiling this kernel.... because the truth is to study complete linux kernel.
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May 23, 2010
I tried to compile an x86 linux kernel from amd64 machine. It is giving errors even after installing "gcc-multilib" But I wonder, it should be simply doable becuase "gcc -m32" creates 32 bit binary . I would prefer to compile it natively on x86_64 rather than creating an exclusive x86 chroot for that. Has anyone tried this on native x86_64?
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Feb 23, 2010
I been trying all day to compile a kernel i downloaded from http://www.kernel.org/ (2.6.32.8 )Following this help thread viewtopic.php?t=4468.When i invoke make xconfig i'm just kinda lost at that point. Not really sure what to do, so i just save it as is and then compile/install.when i try to boot the kernel, a kernel panic happens saying it can't not mount the root partition.So i am sure i am missing a step with the xconfig part but not sure what.
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Aug 1, 2010
I would like to try and optimize my kernel a bit. Since I am doing this on a fresh install, I don't really care if the os gets bricked in the process, and I am sure I can bring it back if I can boot into a recovery console from the old kernel. So, I followed thispost. I patched it and copied and edited a config file from /boot/, saved it as .config, I tried it several times with both removing and not removing /debian and /debian.master directories from the source, yet I always get the same error when I run "make oldconfig".
Code:
$ make oldconfig
scripts/kconfig/conf -o arch/x86/Kconfig
*** Error during writing of the kernel configuration.
make[1]: *** [oldconfig] Error 1
[Code]...
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May 29, 2011
i downloaded the latest stable release of the linux kernel 2.6.39 and i did the following ran the command
Code:
make xconfig
and there were no errors so far so good
then i ran
Code:
make in the mix of all the command line and characters one of the lines said
Code:
stack protector enabled but no compiler support because of this the rest of the installation process is not going well i am unable to install the new linux kernel successfully. the kernel shows up on the grub boot menu but goes into a kernel panic when i try to boot it. how do i compile the new kernel in debian squeeze
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Jan 4, 2010
I'm currently using Fedora 12 with kernel 2.6.31.9 and I was trying to upgrade to 2.6.32.2. These are the steps I followed. After rebooting and choosing this kernel from the Grub menu, I'm just greeted with a black screen with a blinking cursor and it won't proceed beyond that.
These are the commands I issued. I received an error on the first make modules about the mismatch. I then ran CONFIG_DEBUG_SECTION_MISMATCH=y and once finished I ran make modules again and it completed successfully.
Code:
Downloaded kernel package 2.6.32.2 from www.kernel.org
untar archive
make menuconfig (no changes made, saved config file)
make
[Code]...
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Sep 6, 2010
In tryng to compile a kernel 2.6.35.4 the compile fails with this message.
[Code]...
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Mar 12, 2010
I'm tryin to run this script to make me a aufs/squashfs/lzma patched kernel and I keep getting this
Code:
root@slackware:/usr/src# ./build.kernel
* Unpacking archives
aufs
lzma457
squashfs3.4
[Code]...
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Feb 6, 2011
I haven't used slackware for many years. There used to be a sticky thread with a great kernel compiling guide for slackware. It feels somewhat unnatural to me to use slackware without a shiny new kernel. Does that guide still exist? I'm working from memory right now.
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Dec 5, 2009
I have been trying for few days on patching and compiling a Kernel, but got no success. I have been searching the web for pointers, but those I have found are very confusing. I did try them, yet same result.
I am trying to patch and compile with the following:
[Code]...
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Sep 25, 2015
I'm having problems to compile XIllybus kernel module. As this guide explains, [URL] ..... (on the top of page 8 of 25) I unpackaged the tar.gz file and compiled the kernel module by typing the make command in the proper path. When I compile the module with make command, I get the following error:
make -C /lib/modules/3.16.0-0.bpo.4-amd64/build SUBDIRS=/home/xillybus/module modules
make: *** /lib/modules/3.16.0-0.bpo.4-amd64/build: No such file or directory. Stop.
make: *** [default] Error 2
/lib/modules/3.16.0-0.bpo.4-amd64/build path does not exist. What does it mean? Should I have to install some kernel packet? www does not work for me.
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Aug 1, 2011
I am completely new to compiling the kernel. Trying to compile on an old Dell C610 laptop that has Debian 6.01 installed and working. Here is what I have done so far:
Downloaded linux-3.0.tar.bz2 to home directory Also downloaded patch-3.0-git13 to home directory tar xjfv linux-3.0.tar.bz2 which uncompressed the tar ball in the created the linux-3.0 directory in my home directory
[Code]...
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Aug 2, 2011
So I completely fail at making a kernel x86_64, used to make them fine for just x86 but I haven't a clue on how to make them specifically for 64-bit systems.
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Feb 26, 2010
I am having some issues compiling kernel modules against the pre-built OpenSUSE kernel. Whenever I compile a module and try to load it, I get something like:
Code:
insmod fs/smbfs/smbfs.ko
insmod: error inserting 'fs/smbfs/smbfs.ko': -1 Invalid module format
It doesn't actually matter what the module is, they all do the same thing. I have tried the above mentioned smbfs, I've also tried:vmware kernel module
[Code]...
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