for questions concerning Ubuntu's kernel, including compiling and questions relating to modules

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3
votes
4answers
3k views

Is there any Ubuntu Server for i486 architecture?

I have a very weak machine (i486 with 512 MB of RAM) and want to install last Ubuntu server release on it. When I try to install ubuntu server 11.10 (32 bit) , installer says the architecture needed ...
8
votes
2answers
5k views

switch between different version of kernel without a reboot

I want to switch between different version of kernel installed on my system without reboot. That is to say if i have '3.0.0-16-generic kernel currently running and i have older kernel ...
2
votes
1answer
591 views

Failed virtualbox install prevents my system from starting up properly

I'm running Ubuntu 11.10 with kernel 3.3rc6. I tried to install Virtualbox 4.1.8 with the AMD64 .deb package off the virtualbox site. On install I got a kernel panic saying "unable to handle kernel ...
7
votes
2answers
6k views

Which file is changed after I do “make menuconfig”?

In linux, I thought that the file Makefile is changed after I run make menuconfig. But when I diff Makefile, I don't see any difference. Which file is changed after I do make menuconfig?
2
votes
2answers
467 views

What does this kernel panic means?

I am using ZenBook ASUS and after trying to install virtual box from ubuntu software center on ubuntu 11.10 unity, I faced with kernel panic and from that time from time to time I am facing with the ...
6
votes
1answer
3k views

Triggering driver module rebuild on kernel update

I'm using hardware that requires a driver to be built which is not present in the kernel source tree, i.e. not "part of" linux. Currently I'm finding it necessary to rebuild and install the driver ...
0
votes
0answers
120 views

Will Ubuntu 12.04 kernel address the ASPM issue [duplicate]

Possible Duplicate: Will final version of 12.04 use the power management changes found in kernel 3.3 I am asking as ...
6
votes
3answers
11k views

Will they add the kernel 3.3 to Ubuntu 12.04?

The Kernel 3.3 is already getting close. Will the Ubuntu development team add it to their upcoming release? That Kernel fix the overheating issue of new laptops!
18
votes
2answers
65k views

How to blacklist kernel modules?

How do I disable loading of unnecessary kernel modules. Kernel 3.2.4
3
votes
0answers
722 views

Kernel panic on Lenovo ThinkPad W510 Ubuntu 10.10 [closed]

When I leave my Lenovo ThinkPad W510 laptop unattended it locks the screen as it is supposed to do. But when I come back I usually find the kernel panic going on on the laptop: the Caps Lock light is ...
2
votes
2answers
229 views

Update to 11.10 without touching the kernel?

There is some method to upgrade my Ubuntu 11.04 without touching the kernel?, is that branch 3.x kernel gives me problems bluetooth makes my system freeze, and with the current kernel (2.6.38-13) is ...
1
vote
1answer
273 views

transfering kernel image to another system

my server system is low on disk. To install a new kernel I think i shall do the following: compile the kernel on another system. copy bzImage along with config, System.map and of course the laodable ...
1
vote
1answer
441 views

How do I set up a server with a realtime kernel?

I have installed ubuntu server 11.04 on a machine with size 4GB. As, the ubuntu server 11.04 does not support real time kernel by default, I need compile a real time kernel on ubuntu desktop 11.04 ...
0
votes
1answer
2k views

grub cannot load my newly installed kernel

I needed a minimally-configured Real Time kernel, I compiled a new kernel with menuconfig. Firstly I added the rt patch to the new kernel directory using patch, and then ran make menuconfig. Then I ...
1
vote
1answer
395 views

Difference between -generic and -i386 kernel images

The regular auto-update installs the -generic linux image on my machine intel core i3 machine. Is it better to use -i386 kernel? What kind of machines -generic linux image supports? The comment #5 at ...
22
votes
3answers
5k views

What's the fairest way to monitor total CPU time - per user?

On a multi user system, I want to measure each user's CPU usage in seconds of cpu time. For the purpose of this measurement, I assume that if a PID belongs to a user, this user is causing the CPU time ...
0
votes
1answer
346 views

Can I have 10.10 with a 3.x kernel?

I would like to know if I can run Ubuntu Maverick Meerkat 10.10 version with the new kernel ver. 3.x. I'm asking because my the 10.10 DVD installer seems to have problems detecting hardware in my new ...
4
votes
1answer
5k views

Why doesn't Ubuntu detect all of my RAM on 64-bit? [duplicate]

Possible Duplicate: Ubuntu only detects 3.1 GB of ram on Ubuntu 64 bit ISSUE IDENTIFIED: BIOS bug. See dmesg output below. Question is: How to resolve this? Change made since 2.6.32 have ...
9
votes
3answers
27k views

How can I remove new kernel versions after downgrading?

I upgraded Ubuntu to 12.04, all packages. But after that I encountered a lot of problems so I decided to downgrade to 11.10. After I did that I found I now have two kernels: 3.2.x and 3.0.x. I found ...
5
votes
1answer
559 views

why is my module dir so big?

so when I make a custom built kernel, the modules folder is way bigger than the shipped one any idea why? joel@joel-UX31E:~$ du --max-depth=1 -h /lib/modules/ 140M ...
1
vote
1answer
567 views

Recompiling Ubuntu stock kernel

I want to recompile the stock Ubuntu kernel (on Oneiric) with just one change: include usbcore as a kernel module so it can be reloaded at runtime (I have some issue with usb support crashing at ...
1
vote
3answers
3k views

Can't boot after update, stuck on a loop [closed]

Today I updated my Ubuntu 11.10 to kernel version 3.0.0-16-generic. After the update I restarted the computer and then I got stuck in a loop right after the initial screen where all the modules are ...
18
votes
2answers
42k views

Where are kernel panic logs?

I've got problem with Handbrake/ffmpeg. After ~5 minutes transcoding, the computer locks up. I'm fairly sure it's a kernel panic because caps-lock starts flashing. There are a few logical questions ...
5
votes
2answers
3k views

Only 746.52 GB of 3TB drive is seen when accessed via USB enclosure. Works fine internally

I have a Mediasonic Smart Drive SuperSpeed 3.5" SATA HDD External Enclosure - USB 3.0 [HD6-SU3-BK]. It has the VIA VL700 - Super-Speed USB 3.0 to SATA controller which is supposed to support 3TB ...
3
votes
1answer
285 views

Installed Kernel 3.2.4 in Natty Cannot remove 2.6.38-13

Installed 3.2.4 from Oneric mainline and boots and runs everything perfectly. However cannot remove 2.6.38-13 without it claiming a broken package. Have used synaptic to fix broken but still cannot ...
2
votes
1answer
485 views

Why is the server kernel not install on a server? (10.04.3)

I installed ubuntu-10.04.3-server-amd64.iso Why is the Desktop Kernel installed? ~# cat /etc/motd Linux dbxp015 2.6.32-33-generic #70-Ubuntu SMP Thu Jul 7 21:13:52 UTC 2011 x86_64 GNU/Linux Ubuntu ...
0
votes
2answers
855 views

/boot driver filling up due to kernels on 11.10 and unable to update [duplicate]

Possible Duplicate: Is there a way to remove/hide old kernel versions? Any clean solutions for cleaning up the /boot mount? It seems to fill with kernels but I'd like to make sure the ...
2
votes
2answers
3k views

How to customize the initrd embedded in or coming with the kernel image

I would like to add some tools and not just kernel modules into the initrd (initramfs-based). Now I'm aware of how to unpack and how to pack the initrd with cpio and have even written a hook for ...
2
votes
2answers
3k views

Need ubuntu with old kernel ( < 2.6.31)?

I have here some old applications and modules which ones only run on older linux kernels. I need an ubuntu with kernel < 2.6.31 I tought there are two options: 1.) Download 8.04/8.10 - there is ...
2
votes
2answers
361 views

Upgrading to kernel 3.1 from 3.0.0-15

I've tried this instruction to install kernel 3.1 but when I checked my kernel version with uname -r command (after rebooting), there was no change and my kernel version was still shown as 3.0.0-15.
0
votes
1answer
1k views

Installing a new kernel on 10.04 because old kernel can't install my wireless card [duplicate]

Possible Duplicate: Can I update the kernel of my 10.04 LTS to the latest kernel? Is it possible to install a new kernel to Ubuntu 10.04 using a debian package or something ? I have a new ...
4
votes
1answer
2k views

Why is my Ubuntu system not using the correct kernel?

We're having a bit of confusion on a Ubuntu remote system -- /boot/grub/menu.lst suggests the system should boot into kernel 2.6.35-30-generic, but it is actually running kernel 2.6.32-27-generic. ...
0
votes
1answer
6k views

RTNETLINK answers: Operation not supported

I'm getting some errors in my xen logs and googling has turned up that it's related to iproute2. I found through google that the key is to enable CONFIG_IP_ADVANCED_ROUTER=y in my kernel config. It ...
1
vote
0answers
574 views

Previous versions of Linux in Grub? [duplicate]

Possible Duplicate: Is there a way to remove/hide old kernel versions? So I have linux versions 3.0.whatever-12 to 15 on my laptop, and they made a ton of icons in burg before I broke that. ...
2
votes
1answer
515 views

What git repository do the mainline kernel ppa builds come from, and are any changes made?

I am debugging a curious issue with the kernel not supporting my laptop completely. (This is my bug report) I have installed the mainline builds from the mainline kernel ppa ...
0
votes
1answer
603 views

Configure Linux Kernel for ARM

I want to configure kernel 2.6.30 for ARM CPU in a graphical environment (under Ubuntu 10.04). There is program , named "qconf" witch do this easily . But I can't run it . I download and install ...
4
votes
2answers
3k views

Why aren't old linux-images removed when installing new kernel updates? [duplicate]

Possible Duplicate: Is there a way to remove/hide old kernel versions? On my laptop I have limited space but install all new updates, including kernel updates. However, Ubuntu doesn't seem ...
2
votes
2answers
2k views

delete GRUB ubuntu 11.10

how do I delete grub on Ubuntu 11.10. I want to get into ubuntu normally without having to choose which operating system I would run. and how to remove ubuntu with older kernels as shown below grub
1
vote
1answer
86 views

How to get unpublished kernel updates?

http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=commitdiff;h=652aa6a9ac4a5f8d3e1fa3f6466646519e83c01e The above link has the device ids of apple's keyboards added to the kernel, ...
0
votes
1answer
1k views

AppArmor reinstall fails

I use apparmor together with libapache2-mod-apparmor to sandbox some websites. However After a recent reinstall it stopped working. I keep getting this error: Setting up apparmor ...
1
vote
1answer
3k views

Kernel settings for interactive and responsive desktop

What kernel settings are recommended for an interactive and responsive desktop on a 6 core system with 8Gigs of RAM? I've set swappiness to 10 as recommended in a few guides but what other setting can ...
7
votes
2answers
10k views

How can I install a newer kernel?

I'm running the current stable Ubuntu version (Oneiric) but have issues with the shipped kernel. Newer kernel versions seem to have fixed it, but the kernel-ppa/ppa does not contain the most recent ...
13
votes
3answers
6k views

Will final version of 12.04 use the power management changes found in kernel 3.3

I have seen in some version of Ubuntu that instead of making a huge change to update to the latest kernel, they take some of the good stuff out of it, for the sake of stability and put it on a ...
59
votes
12answers
114k views

Error: kernel headers not found. (But they are in place)

I'm trying to install the Guest Additions in VirtualBox 4.04. Host OS is Ubuntu desktop 11.04 64bit, guest OS is Ubuntu server 11.10 64bit. $ sudo ./VBoxLinuxAdditions.run After some output this ...
2
votes
1answer
377 views

Linux Kernel 3.0+ phased older systems out?

Like many others using Ubuntu and various other distributions, has the Linux kernel officially phased out certain systems? I'm using a HP 6700 AMD Turion 64 laptop that worked perfectly with Lucid ...
4
votes
1answer
3k views

Problems while upgrading the kernel in Ubuntu 10.04 64 bit to 3.2 version

I run Ubuntu 10.04 on a 64 bit machine. I tried upgrading my kernel from 2.6.32-37-generic to 3.2 version. I downloaded the following files: linux-headers_all.deb linux-headers-generic_amd64 ...
0
votes
1answer
691 views

How do I prevent the current kernel from being replaced in 11.10?

So how do I do it? I Can't find sypaptic, in where I remember that I could "lock" certain packages to ensure that they kept their current version.
0
votes
1answer
471 views

How to install amd k7 kernel in ubuntu

I tried to install amd K7 kernel in ubuntu 11.10 (64 bit) but E: Unable to locate package sudo apt-get install linux-k7 sudo apt-get install linux-k7-smp
4
votes
2answers
20k views

How to create a bootable system with a squashfs root

My goal is to be able to take a customized root file system loaded with the software I want. So far I've created a squashed filesystem using debootstrap and chroot to install the software I want on ...
0
votes
1answer
495 views

kernel panick how to recover [closed]

I installed unity 5.0 on my Ubuntu 12.04 experimental system. After installation of unity 5.0 plus some normal updates the system still boots but is shutting down because of kernel panik. I tried to ...