Ubuntu :: Match Custom Kernel Config To Laptop?
Feb 17, 2010
How do I discover which kernel config parameters are important for my laptop hardware and frequently used applications? I'm not looking for something that is 100(...)% optimized for my hardware. I would prefer to have modules for everything that I don't use at all or often. I would prefer to avoid modules (built-in) for things that I use all the time but then any updates might mean a kernel rebuild. I'm currently running the generic PAE edition of the repository kernel. I think that I'm running the 32-bit flavor at that.
Code: user@host:path$ uname -a Linux mumbles 2.6.31-19-generic-pae #56-Ubuntu SMP Thu Jan 28 02:29:51 UTC 2010 i686 GNU/Linux I know the following from sysinfo
[Code]....
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May 5, 2009
I have been wanting to increase the fps rate of my current game servers, and I need to have a custom config for this cause I'm only hitting 500. I have, attached, a custom kernel config and not to sure what to do with it at this point. The file name is config-2.6.24-zen4-lld.no-po.2000hz
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.24-zen4-lld.no-po.2000hz
# Tue Nov 25 22:54:23 2008
# Zen Options
# Kernel Tunables
# CONFIG_ZEN_SERVER is not set .....
# IO Schedulers
# CONFIG_FINGERPRINTING is not set
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Sep 8, 2009
This is my first effort in making something more appropriate for laptop users (exclusively). This is a kernel config for 2.6.30.5. I started with the Slackware Generic-SMP 32bit kernel config (this is a 32bit kernel config). All credit for (in my opinion) the best starting place for any kernel config goes to Patrick Vokerding. (Please tell me if I am or am not doing this properly in terms of respecting the work of others, GPL, GNU, etc.)
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Nov 9, 2010
I am trying to install GRUB with a custom location for my config file. Is this possible? if so where can I find how to do this? Found nothing by googling except where it should be located and how to install it. P.S. enter/spacing doesn't work
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Nov 2, 2009
I am trying to install the Nvidia Quadro NVS 110 169.04 drivers but am having issues during install. Prior to attempting my install I did install the kernel-devel rpm so it can compile. after running the RPM I get. Quote: No precompiled kernel interface was found to match your kernel; would you like the installer to attempt to download a kernel interface for your kernel from the NVIDIA ftp site [URL]?
which of course does not work. next it says Quote: "No precompiled kernel interface was found to match your kernel; this means that the installer will need to compile a new kernel interface.. i hit okay and move on to. Quote: Error: Unable to find the kernel sources tree for the currently running kernel. Please make sure you have installed the kernel source files for your kernel and that they are properly configured; on Red Hat linux systems, for example be sure you have the 'kernel-source' or 'kernel-devel' RPM installed. if you know the correct kernel source files are installed, you may specify the kernel source path with the "--kernel-source-path' command line option
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Apr 24, 2011
I'm building my own ubuntu variant for low resource systems at the moment. It's based from the ubuntu 10.10 minimal install (12mb iso). It uses openbox as the window manager and SLiM as the login/display manager.
What I would like two know is how to have a few config files that are on the live cd to be altered for the installed system. Specifically, SLiM autologin, but I'll probably find other things to change aswell. Basically a sort of "first boot script".
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Jan 24, 2010
I have a problem with my custom kernel when I want to create the Nvidia kernel module.After this finished I installed the image and headers and created the Nvidia kernel module. Everything worked fine.However, if I remove the linux-source from my home directory then I can't create the kernel module.Even though I have the headers for the kernel installed.
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Oct 31, 2009
I'm running CentOS 5.3 and would like to know what the "best" or "proper" method is to build a custom kernel using the generic kernel sources from kernel.org. Most of the references I've found talk about modifying the current CentOS kernel using the RPM way. I really want to have the latest kernel due to some important security issues that haven't been addressed in the current CentOS 5.3 kernel.
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Jan 22, 2010
I'm trying to run extract-ikconfig because I've mistakenly deleted an old kernel config that I'd like to recover. However, when running the script from the latest (2.6.32.5) tree I run into this error:
Quote:
ERROR: Unable to extract kernel configuration information.
This kernel image may not have the config info.
Coincidentally, this happens with all of my kernel images. Is it a fixable problem? I should really set CONFIG_IKCONFIG_PROC next time..
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Jan 13, 2011
I need to install some module which needs to be interated into OS's.
It asks me: "What is the location of the directory of C header files that match your running kernel? "
I know that I need kernel-devel package and I installed this yum install kernel-devel after that I have this /usr/src/kernels/2.6.32.26-175.fc12.i686/include/
Now when I run configuration it does not work
Does it mean that I need to update the kernel so that it matches to the kernel-devel module available in the net?
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Jul 4, 2010
2.6.18-194.8.1.el5xen is the reported kernel that I'm running while the headers that are installed are listed as 2.6.18-194.8.1.el5-i686. I assume these are the same, or at least close enough that it shouldn't matter.
However, when I run vmware-config-tools.pl to configure it it says it cannot find the kernel headers. I've tried pointing it to /usr/src/2.6.18-194.8.1.el5-i686/ and /usr/src/2.6.18-194.8.1.el5-i686/include (not sure which of the two I'm supposed to do as online instructions contradict one another) it says that is invalid and there seems to be no way to force it since it just complains without letting me use it anyway. What can I do? Running centos 5 btw on vmware workstation 7.
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Oct 13, 2009
I am trying to install VMware on my machine. I have downloaded VMware and I am now trying to configure it. After accepting the EULA, the program states;
Code:
None of the pre-built vmmon modules for VMware Server is suitable for your running kernel. Do you want this program to try to build the vmmon module for your system (you need to have a C compiler installed on your system)? [yes] y Then;
Code:
Using compiler "/usr/bin/gcc". Use environment variable CC to override. What is the location of the directory of C header files that match your running kernel? [/usr/src/linux/include] The path "/usr/src/linux/include" is not an existing directory. What is the location of the directory of C header files that match your running kernel? [/usr/src/linux/include] /usr/bin/gcc The path "/usr/bin/gcc" is not an existing directory. What is the location of the directory of C header files that match your running kernel?[/usr/src/linux/include] How do i find where the C header files are?
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Oct 21, 2010
I have the following query:
Code:
$sql="SELECT table1.datetime, table1.user_id, table2.ip, FROM table1,table2 WHERE id='$id' AND (table1.id = table2.id AND table1.datetime = table2.datetime)";
In table2 the datetime fields are about 1 to 2 seconds off due to the source of the data, which I cannot change.
Is it possible via a query match table1.datetime & table2.datetime by HH:MM (ie. to the minute instead of to the second)?
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Jan 7, 2010
I've just installed ubuntu 9.10 on my laptop, and when I'm on vim, I can use arrow key normally in command mode, but in editing mode, if I use them, it print a letter, capital case + new line and doesn't move the cursor.
In putty I would try to play with the different type of keyboard settings (ESC[~, Linux, Xterm R6, VT400 etc...), but here, I don't know what to do.
At the installation time, I choose French/French keyboard.
Extra Question :
[URL]
It's said to have GRUB2 by default, but at boot time it says Grub 1.97 beta...
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Apr 2, 2010
I wasn't using my laptop for at least a few hours, but when I looked at it, it had seemed to crash. I am hoping to figure out what caused this, and to prevent it from happening again. I believe it has something to do with drm or b43 as that is what I could decipher from the screen. I have checked some logs and found nothing irregular. I do not want this to happen again. I am running kernel 2.6.33.1 with no patches and a custom config tailored to my processor. The reason I am running 2.6.33.1 is because of support for my Wifi.
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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 28, 2010
I've about 5.5GB of free space....whenever I try to compile the kernel my system runs out of space...says zero bytes remaining maybe I din't configure it that well I cant exactly figure out which drivers/modules I need in order to obtain a working kernel.
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Dec 22, 2010
All I want is a lxde based desktop to play with and tweak. The problem is that I am using rather esoteric hardware. An xcore86 device on chip to be precise. I have a custom kernel in deb format, and I managed to install UNR 9.10 and then install the custom kernel. Strip out as much obvious gnome stuff and install an lxde desktop. Now this is a quite good solution but still leaves me with a lot of junk that I am not sure I need. 2 ideas occurred to me. Install lubuntu and then install the custom kernel(this failed to work because lubuntu's kernel refused to play nicely with the xcore) or do a minimal install and work my way up adding the things that I wanted. (Again this ground to a halt when the screen went blank)
I looked at unetbootin to try and put in a custom kernel but to a novice like myself it did not work very well.Can anyone help, either a list of everything that can be removed safely from a UNR install to leave me with a minimal install, or a way to insert a custom kernel into a lubuntu iso?
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Oct 14, 2010
a stock fedora 11 install on my embedded board results in the primary CompactFlash card being driven by the SCSI driver and is called SDA..running my custom kernel which i have slimmed down and yanked out the SCSI stuff because I dont need it, results in my CompactFlash card being called HDA of course driven by the ATA driver.which should I be using? both work just fine.. the CompactFlash card is on board and according to Soekris is actually run from an IDE controller, as there is no SCSI on board..
so im assuming the less amount of system overhead is to run it as IDE?I have no issues running it either way I just want to do whats right.. and what is going to be supported in kernels down the line, as im considering a bump from my current 2.6.30 kernel upwards for my project.
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Jan 16, 2010
I am using ubuntu 8.04 and i am trying to make iso image cd with running kernel. i know that there is documentation in ubuntu website in"how to make live cd" but the thing is this is my custom kernel. i have my own configuration. so i want this kernel to be work in live cd.
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Dec 18, 2010
I am thinking about compiling a custom kernel with Kernelcheck. I would like to know if I do compile my kernel will future kernel updates from Canonical replace my custom kernel? Please explain this in simple terms. This would be my first time compiling a kernel.
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Jul 14, 2011
What are the best ways to make the kernel using git, and localmodinfo. and optimizing the kernel the best way on a laptop I have, which is a desktop laptop, so it is never really unplugged. Has a core 2 duo 2.53Ghz, 4GB DDR3 RAM, and an ATI HD 3870 GPU.so what things other than the obvious core 2 cpu type when making the kernel. It's on Ubuntu 11.04 64 bit. I also want to create it with the local mod info. and Also create this into a .deb package so it may be saved.
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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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Jun 18, 2011
This is (I'm sure) a silly question, but when reading the guide for custom kernel [url] it mentions I need to use yumdownloader to pull the source as an RPM.
How exactly do I find mirrors etc for this (and where do I configure it)?
I've already got the source locally along with the patches I want to use, and want to try this the 'fedora' way. I'd normally just use make/make modules etc, but I've never tried it via RPM.
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Oct 7, 2010
Had a custom kernel (2.6.35.5) running under Slackware 12.1 and also the same kernel on an Ubuntu 10.04 machine just fine, however after a clean install of Slackware 13.1 this kernel no longer works (This kernel was re-compiled with the same .config file under Slack 13.1) as I keep getting the the following: -Please append a correct "root=" boot option Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,3) The strange thing is it keeps looking for the root file system in hda1, however the stock 13.1 kernel finds it in /dev/sda1 so the root partition is /dev/sda1 in lilo and the harddisk is known as /dev/sda.
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Mar 26, 2010
I need to install Ubuntu on approximately 50-60 netbooks. None of them have CD drives, and I don't want to have to install them individually, walking around with a USB stick. I figured the fastest way to install on so many machines is to use a combination of apt-cacher (http://www.debuntu.org/how-to-set-up...ith-apt-cacher) and netbooting. I have successfully booted one machine to test, but as soon as the kernel comes up, support for the network interface is gone. Specifically, the "atl1c" module is not included on the netboot initrd image. Also, I would like to try to use preseeding, and I need to get that onto the initrd as well.
So, to summarize my question: How can I create a custom install kernel and initrd? I have a feeling it's related to the "debian-installer" category in the package repository, but I have not found any good documentation about doing this.
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Nov 28, 2010
It hangs after mounting my root partition, and switching to framebuffer. And ctrl-alt-del causes a normal shutdown - everything gets told to exit.
This where it hangs:
[URL]
This is my config:
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lspci output:
[URL]
Based on the mainline defaults. I made sure ext4 is compiled in, SCSI, SATA and PATA support... sda1 is my root partition. sdb1 is a data drive. The drives are SATA.I need to rebuild from source to test some stuff for wayland.
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Mar 7, 2011
I made a custom kernel for maverick, 2.6.35-27. And I want to get the latest Intel 5300 wireless card drivers working. The wireless works now, but I want to get these installed anyway. I've been on a custom compilation kick for a while, and just been wanting to do everything compiled myself, just to learn a lot. Including putting linux on my WNDR3700 router using DD-WRT. Still doing a lot of customization on that as well.
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Jan 11, 2010
I'll try not to be too wordy. Want to get my openSUSE 11.2 (fresh install) laptop to see my network shares ...not to be a server or share any files. I've looked at 50 websites and everything seems to be "server" and "share" oriented. Maybe I (newb) am confused by the terminology...
I have a router that provides DHCP. My LAN PC's consist of a Vista laptop, an XP DAW, and a Kubuntu file server. Somehow I got Kubuntu configured properly, all of the Windows machines can access it and vice-versa. The Kubuntu smb.conf does not work on this laptop, and it seems overkill -no shares needed here. And yes, I get DHCP and interweb on the laptop -posted this with it.
All I want is access to my (other) network drives from this (openSUSE 11.2) laptop. Not a server, not to share. This is easy... right? It's driving me nuts Is there a Samba configuration that will let me jump onto networks and surf Windows/Samba shares like any old Windoze box browsing Network Neighborhood? Do I have to be a Samba guru?
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Jun 4, 2010
I would like to compile my own kernel. I am familiar with how to do it and have done it in the past so I'm not looking for a how to compile a kernel. In the kernel config are many, many options. In the past when I compiled kernels I always wondered about what is needed and used. What is the best way to determine what is currently used, not set or enabled in the existing config, but actually used by my existing kernel?I have a general idea of what is loaded and could do trial and error, turn this and that off, recompile, etc but is there an easier way?
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