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

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1answer
22 views

Change clock resolution to 1000 Hz

I am running Ubuntu 12.04 and I need to change the clock resolution to 1000 Hz (now it's 250 Hz, the default value). I understand that I have to set it and then recompile the kernel, as for example ...
0
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0answers
8 views

dpkg reporting as installed, uninstalled kernels

I have run the following command to remove old kernels: dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo ...
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0answers
9 views

“Errors while handling” kernel packages after dist-upgrade

I did an apt-get dist-upgrade, now everytime I do something using apt-get, e.g. installing something, it gives me that there are errors while handling the following packages: ...
0
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0answers
31 views

Error installing linux generic kernel ovh

I have recently purchased a vps from ovh and I was trying to install the generic kernel apt-get install linux-image-generic but I got an error. Setting up linux-image-3.13.0-34-generic (3.13.0-34.60) ...
1
vote
2answers
1k views

Why does hibernate not work after update from 13.10 to 14.04?

I have just updated my Xubuntu 13.10 to 14.04. Did not change anything. Suspend-to-ram (standby) and hibernate both worked well in 13.10. Now hibernate does not work any more (suspend-to-ram still ...
1
vote
1answer
55 views

How to compile a Linux kernel? [duplicate]

How do I compile a Linux kernel and how do I use the output file generated?
0
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0answers
11 views

glibc reinstallation with new kernel

Recently i removed some old kernel with autoremove function. But later found that i am getting error in configuring linux kerel. Also i googled and got that linux-libc-dev depends on old kernel ...
-1
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0answers
36 views

Error: after flashing the new image

I got the source code downloaded using below command phablet-dev-bootstrap --sources aosp --repo-branch phablet-4.4.2_r1 -c ./<my-dir> I've gotten the kernel and device folder synced, and build ...
0
votes
1answer
36 views

NVIDIA driver for Quadro FX 330 in Ubuntu 14.04.1, Kernel module load error

My Ubuntu computer (Pentium-D, 64-bit) has sofar worked well in Ubuntu upgrades. The only down-side of the old and exotic configuration has been that I need to compile the driver each time a kernel ...
0
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0answers
41 views

iscsitarget suddenly broken after upgrade of the 12.04 Hardware Stack

After an upgrade to the latest Hardware Stack using Ubuntu 12.04, my iscsi service is not longer operational. The error from the service is such: FATAL: Module iscsi_trgt not found. I have learned ...
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0answers
159 views

Updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS)

After updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS) $ uname -r 3.8.0-030800-generic $ ifconfig -a eth1 Link encap:Ethernet HWaddr 9c:2a:70:cd:f2:c5 ...
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0answers
16 views

wrong kernel running after install

I have installed Ubuntu 14.04 from unetbootin. When it reboots after the install, uname -r says: 3.5.0-17-generic ..this means that no modules have loaded for the kernel that is actually installed ...
0
votes
1answer
58 views

Boot Ubuntu with latest kernel version

My Ubuntu 14.04 updated with latest kernel version (3.13.0-34-generic) but when I type uname -a it gives me this output: Linux kasiya-pc 3.13.0-33-generic #58-Ubuntu SMP Tue Jul 29 16:45:05 UTC 2014 ...
0
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0answers
58 views

Ubuntu 14.04 kernel upgrades not changing default

So i have 3.13.0-34 & 3.13.0-33 & 3.13.0-24 all installed but the system constantly sticks with 3.13.0-24. update-grub does not seem to change this. grub configuration says boot entry 0. I'm ...
0
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0answers
26 views

after upgrade to 14.04 kernel remains 3.2.0

I upgraded from 12.04 to 14.04.1 using the update-manager. During the upgrade there was an error about emacsen-common and I do not overwrite the file menu.lst. After the upgrade lsb_release -a gives ...
3
votes
3answers
8k views

How do I update my nvidia modules after updating my kernel?

Every time there's a kernel update, nvidia graphics drivers stops working because there's not a valid kernel module. What is the ubuntu way to 'recompile' the nvidia module for the new kernel? ...
0
votes
1answer
142 views

Creating Virtual Machines using ubuntu-vm-builder

I'm currently trying to install virtual machines on my Ubuntu Server 13.10. I followed the instructions from this guide. I was able to install and check if my machine is is supported how ever when I ...
0
votes
1answer
15 views

Problem with side panel buttons Thinkpad L412, ubuntu 14.04

I have the following problem: After a kernel update, my side panel buttons on my L412 to incresa/decrease and mute volume (also de mic mute) stopped working. I don't know how to fix this, and the ...
0
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0answers
50 views

atl1c module uses 100% cpu, kernel 3.13.0-34

I have just upgraded my 3 Mythbuntu systems to 14.04.1. On one of the systems, I have an Atheros AR8131 ethernet controller. On this system, one of the CPU cores is constantly at 100% usage ...
1
vote
1answer
21 views

Kernel update plans for Ubuntu

Is there a site where we can see which kernels we will most likely be getting with upcoming Ubuntu releases? I'm personally thinking if I should install the 3.13.7.x kernel manually or waiting to get ...
1
vote
1answer
2k views

Ubuntu 12.04 GUI does not start on boot, hangs on purple loading screen with Ubuntu logo and five dots

It started like this: I wanted to install Adobe Reader (.bin file) via Terminal. After I created a folder for installation files and started the whole process I suddenly realized that I don't even ...
23
votes
4answers
39k views

Why to choose low latency kernel over generic or realtime ones?

After installing Ubuntu Studio 12.04, I found that it uses a low latency kernel. I searched why and how to change back to realtime or generic ones. But, looks like this part of Linux hasn't been ...
0
votes
0answers
10 views

How to add the intel_pstate=enable command to the kernel on an EFI-only system?

I've tried editing the refind.conf file and I cannot get that to work. Is there ANY way to edit the entry that refind auto-detects? GRUB is not installed. The host computer is a macbook pro 11,1.
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0answers
32 views

Dell Vostro 2520 WiFi not working after Ubuntu 14.04 update

I tried sudo apt-get install --reinstall bcmwl-kernel-source Wireless worked for sometime...but after reboot WiFi stopped again.... Can someone please help... Software center in additional drivers ...
0
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0answers
31 views

Kernel broken when I was upgrading Ubuntu 12.04 to 14.04

I'm newbie here and in Linux manipulations. So..I was upgrading Ubuntu 12.04 to 14.04 by automatic processes and when was installing stage, there was interruption of power. To power on pc after ...
1
vote
2answers
31 views

What is the way to update to the next kernel?

So, I have problems with nouveau preventing from sleep. I decided to go with the newer kernel than officially available. Should I install kernel from Mainline PPA (I do know it's not real PPA)? If I ...
1
vote
1answer
2k views

Why does it take over a minute for the desktop to load after logging in?

After entering the login-password, it takes more than a minute before the desktop is shown. The output of dmesg: [ 2030.004228] audit_printk_skb: 156 callbacks suppressed [ 2030.004231] type=1400 ...
0
votes
0answers
8 views

cannot compile character driver

I am using linux-3.10.48 kernel version, I tried a character driver code which would return the major number for the driver and would register the same. But, the main problem is in the cleanup module, ...
0
votes
1answer
457 views

Lubuntu 14.04 cannot try Lubuntu without installing-error messages

I have Lubuntu 13.10 installed. Works great. I downloaded Lubuntu 14.04 and burned to disc. To test I tried the option to try Lubuntu without installing. I got several error messages which I did not ...
-1
votes
2answers
37 views

Boot is full (no prior solutions helped)

I have already seen that this page as well as the ubuntu forum itself has quite some similar questions, but none of the solutions has helped me yet, so I'll try it here as well: The general problem ...
10
votes
3answers
24k views

Is it safe to remove old kernels after installing the latest mainline?

I have installed the mainline kernel 3.10 as recommended here so that I can have my WiFi. I'm running into space problems as described here (dpkg configuration running out of space, having separate ...
0
votes
1answer
12 views

Error while using make command for kernel recompilation

I'm doing kernel recompilation and getting this error while using make command /usr/src/linux-3.10.48/arch/x86/Makefile:113: CONFIG_X86_X32 enabled but no binutils support ...
0
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0answers
120 views

ubuntu 14.04 upgrade kernel failed

I upgrade to ubuntu 14.04 and encounterd a wird problem. ~$ sudo apt-get dist-upgrade -u Lecture des listes de paquets... Fait Construction de l'arbre des dépendances Lecture des informations ...
0
votes
1answer
45 views

How to boot load the kernel using EFI stub (efistub) loader?

I have Ubuntu 14.04 running in UEFI mode as only operating system, no dual-boot here. The kernel version is 3.13.0-24-generic. There is an EFI partition. In this case the EFI partition is not at the ...
0
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0answers
31 views

Mouse is disabling by itself after upgrading kernel to 3.13.0-34-generic

USB Mouse is disabling by itself after working for 5-10 seconds. when i tried to use cursor isn't moving. but after right clicking continuously its re-enabling by itself
1
vote
1answer
143 views

How to get userID when writing Linux kernel module

Here is my function in my kernel module which I insert using insmod command after make at later stages. I am working on goldfish (2.6.29) asmlinkage long our_sys_read(unsigned int fd, char *buf, ...
1
vote
2answers
161 views

Are there multiple LTS distributions available?

My distributed network consists of atleast 10 servers, all of which are running Ubuntu 12.04 LTS. This was a design decision, so that we would have a more consistent back-end, as far as the Operating ...
0
votes
1answer
18 views

Stuck on kernel 3.8

I have a DigitalOcean VPS that is somehow stuck on kernel 3.8-generic, which is shown when I run uname -a. However, the only kernels in /boot are: My sources are such: deb ...
-1
votes
0answers
19 views

kernel panic - not syncing out of memory and no killable processes [on hold]

I am using ubuntu 12.10.Then I decided to install windows 7 (due to .net requirement ) from pendrive .I have 8 gb of RAM and I removed 4 gb of RAM.Now I tried to install win 7 ,selected partition for ...
3
votes
0answers
81 views

14.04 - USB microphone speaker device not working anymore

I own a PJP-20UR web conference microphone speaker, I have been using this USB device for ages with Linux, Windows, Mac never ever have had any issues with it. Since I upgraded from Ubuntu ...
3
votes
2answers
1k views

Service modules-init-tools not found

While setting up lm-sensors and fanconrtol packages on Ubuntu 13.04, I arrived at a stage were I had to restart the service modules-init-tools to apply changes to the /etc/modules file then alas! I ...
0
votes
0answers
15 views

Building Kernel Modules with LTS 14.04 and Eclipse Luna 4.4. Why are my gcc build tool includes all screwed up?

I'm trying to use Ubuntu LTS 14.04 and the latest available stable version of Eclipse IDE, Luna(4.4) for C/C++ developers. After successfully importing an existing Makefile project as a C project in ...
1
vote
1answer
32 views

Does the Ubuntu kernel have EFI stub loader boot support?

This question is regarding efistub booting. I would like load the stock pre-compiled Ubuntu kernel directly from UEFI firmware its boot menu, using efiboogmgr. Since which Ubuntu version can this ...
6
votes
11answers
25k views

Virtualbox Kernel driver not installed

I tried to use my Virtual Box and this is the error I received - (I just updated to the new Ubuntu also) and I am VERY new at this Linux OS. Kernel driver not installed (rc=-1908) The ...
4
votes
2answers
11k views

AMD Catalyst Driver installer failing at DKMS

I am following these instructions to install the fglrx drivers. When I am running sudo sh amd-driver-12-6-x86_64.run it tells me fglrx is already installed; even though I ran the commands to remove ...
1
vote
2answers
259 views

How to make it wokr dvb-t usb a867 on kernel 3.13.3

I have kernel 3.13.3 and dvb-t usb tuner a867 based on chip af9035. What can I do to make this tuner work on kernel 3.13.3?
0
votes
0answers
21 views

error: file '/vmlinuz-3.13.0-32-generic' not found

i shut my system down yesterday normally and this morning when I boot I get this error "error: file '/vmlinuz-3.13.0-32-generic' not found." I have tried the all the other advanced options and get the ...
1
vote
1answer
9 views

How to verify zswap running?

How can I check to verify that zswap is enabled and working on my system?
5
votes
1answer
1k views

How to install a package that contains Ubuntu kernel debug symbols?

The default Ubuntu kernel -generic package doesn't seem to have symbols in it. I'm trying to avoid compile a kernel with debug info manually. Does Ubuntu provide a package with kernel debug symbols? ...
1
vote
3answers
4k views

Ubuntu 13.10, kernel 3.11 blank screen issue with hybrid graphics

On my HP Envy, which has both an Intel on-chip graphics card and an Nvidia Geforce: *-display UNCLAIMED description: 3D controller product: GK208M [GeForce GT 740M] vendor: NVIDIA ...