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

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985 views

Upgrading from kernel 3.13 to 3.18 causes Unity not to load, wireless not to work (System specs included)

SYSTEM SPECS: Macbook Pro (64 bit), Ubuntu 14.04, kernel version: 3.13, graphics drivers: nvidia-331 Recently I've been experiencing wi-fi problems on a regular basis in 14.04 with kernel ...
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1answer
63 views

Installation Error :(

I tried Ubuntu 14.10 (64 & 32 Bit) & Ubuntu 12.10 (64 & 32 Bit) I get this error every time I select & entered "Install Ubuntu" I am installing Ubuntu using a USB [21.317787] Kernel ...
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1answer
997 views

fatal error: linux/err.h: No such file or directory [duplicate]

What package should install for this header (err.h) is available? I need this library (linux/err.h) to compile a proprietary driver (kernel module) in Ubuntu 14.04 Server/Desktop 64bits
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1answer
536 views

Kernel panic while installing CentOS 7 in VirtualBox

I have a laptop with Xubuntu desktop 14.10 , and I installed VirtualBox and updated it to the latest version . I'm trying to install CentOS 7 (source downloaded from the official site) as a VM, ...
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1answer
159 views

12.04 LTS: Kernel Update to 3.13.0-44 broke my-weather-indicator

After doing the kernel update today, my-weather-indicator disappeared from the indicator bar on my 12.04LTS boxes. If I try to start it manually, the icon flashes in the launcher for a couple of ...
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1answer
126 views

Local version during kernel build broken

I'm trying to build a custom variant of the 3.13.0-43 kernel on Ubuntu 14.04. Following the normal procedure (directions posted at https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel) is not working for ...
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0answers
12 views

Subdivide CPU usage among different tasks in LTS 14.04 [duplicate]

I am fairly new to UBUNTU and maybe this is a naive question. I am working on a PC with multiple CPUs and I was wondering if there is a way to select how many CPUs a process has to use. For example: ...
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1answer
56 views

Kernel Panic on xubuntu toughbook cf-19

I'm on a toughbook cf 19 xubuntu and I have a kernel panic about 10 times a day. Do you know what can be the problem?
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1answer
40 views

Trouble loading kernel 3.18

I received 3.18 in apt update but it does not show up on recovery list and I cant seem to get the missing parts. How do I get 3.18 to load?
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32 views

Cannot resolve unmet dependencies [duplicate]

I have attempted all solutions in the previous thread regarding this flipping issue and it continues to drive me crazy... below are the sequence of events that take place.. agiles@agiles-23-1015:~$ ...
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1answer
230 views

radeon dpm: why my power state 0 has high values which are not aligned with dmesg?

# cat /sys/kernel/debug/dri/64/radeon_pm_info uvd vclk: 0 dclk: 0 power level 0 sclk: 37500 mclk: 150000 vddc: 950 vddci: 875 pcie gen: 3 # cat /sys/class/drm/card0/device/power_dpm_state ...
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2answers
734 views

Ubuntu 14.04 taking a lot of time to start

I am using Dell Inspiron N5010 core i3 processor and 4gb RAM ! My laptop takes up a lot of time to start up! typing dmesg in terminal gave these results ! [50.214177] audit_printk_skb: 150 callbacks ...
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1answer
88 views

Unable to install Ubuntu on Asus F551MA

It's not possible to install either Ubuntu 14.04.1 or Ubuntu 14.10 on Asus F551MA, it goes kernel panic, switching back to text console and brutally freezes. Checking on launchpad, I found it's a bug ...
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1answer
810 views

Nvidia 331 on kernel 3.18.1

ThinkPad t540p, running Ubuntu 14.10 and kernel 3.18.1. Trying to install bumblebee and as I understand it get nvidia-331 to work... Installing nvidia-331 yields an error and dpkg-reconfigure does ...
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1answer
763 views

Where can i find linux 3.8.11 kernel image in order to build wacom drivers for Samsung Chromebook 2

New to Ubuntu/Linux, so please bare with me. My setup: Samsung Chromebook 2 -> running Ubuntu via crouton (trusty with KDE). Im in the process of installing the Wacom Intuos drawing tablet, and i ...
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1answer
3k views

Cups job stuck at: processing since …“Waiting for printer to become available.”

When I reboot, a queued print job will get printed, after that jobs don't print with the following message: processing since "Waiting for printer to become available." Also, when I run the vanilla ...
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2answers
1k views

How to uninstall kernel modules?

I m doing my project in ubuntu on kernel version 3.10.48. But due to compatible problems, we had to change the version (recompile the kernel) to 3.17.6. Now, as I had assigned 50 GB to ubuntu only 9 ...
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1answer
154 views

Configure webcam

I see a garbled image when using my web cam using Cheese or Skype using uvcvideo kernel module. I am aware that this is a known bug, but does it have a solution yet? Links: Kernel modules with ...
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2answers
510 views

I think I accidentally removed the current linux kernel when trying to free up space in /boot

Sorry for being a bit long-winded, but I am not sure what has happened so I'll try to state what has happened as completely as possible. I am currently logged in to the system and it's running. It is ...
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0answers
28 views

Can't install any app [duplicate]

I am facing problem installing / updating any app on my system. I did some Google and came to know /boot is 99% full. I tried increasing it but everything failed because everything gets stuck at gzip: ...
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0answers
35 views

Deleting Old Kernels But Saying I Dont Have Correct Permissions [duplicate]

Okay So I Have Tried To Download Synaptic And Allll The Other Thing This Forum Tells You To Do And Nothing Is Working, I Am Trying To Install The Recent Update For Ubuntu 14.04 But For Some Reason ...
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2answers
356 views

Unable to upload files with any browser on Ubuntu 14.04, why?

please, I need your help. I have a weird problem. I am unable to upload files to gmail, gdrive, facebook nor other website with Ubuntu 14.04 I am able to ping google, watch youtube videos and ...
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2answers
807 views

kernel is outdated

I have troubles with updating my kernel. I'm running Kubuntu 14.04. uname -r output: 3.13.0-32-generic I clearly see newer versions in repos with sudo dpkg --list 'linux-image*': ... linux-headers-...
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1answer
398 views

Accidentaly deleted initrd and vmlinuz

Yesterday I suddenly deleted initrd and vmlinuz files in boot folder. Now I can't get in my Debian system, because GRUB can't find vmlinuz and initrd. I tried to generate new initrd image but I can't ...
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1answer
19 views

problem new with ubuntu and i cannot install

I have neu cd ubuntu 12.04. With installation was everything ok and after restart i have error unable to monut root vfs kernel panic and cannot open root file. I tried to install this again but not ...
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1answer
66 views

After changing kernel , kernel crash is not working

I have changed the kernel in Ubuntu 12.04. After this, if I gave a kernel crash the memory configurations are getting changed and dump file is not created.. It is getting changed from 4GB to 109MB. ...
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1answer
1k views

How do I install driver for Radeon Mobility HD 3650?

I was trying to install driver for my graphics card, I'm using Ubuntu 14.10 and when I install driver from support.amd.com log file says that i don't have kernel headers (version.h file) in /lib/...
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1answer
334 views

L1 + L2 cache hardware information with lscpu different to information from Intel & Windows

My CPU is an INTEL Celeron N2930 Bay Trail-M 1.83GHZ to (2.16GHZ Turbo) I get by typing lscpu in Terminal a different value of L1 + L2 Cache (Hardware Information) in comparison to the Intel + ...
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1answer
129 views

Unity gone after upgrading 14.10 to latest 3.16 kernel

After upgrading 14.10 to the latest 3.16 kernel today, my Unity GUI is messed up. I was able to create a folder and open it, but if I navigate to the /bin folder, right-click on bash, then select Run, ...
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2answers
138 views

Problem With Guest Additions in Ubuntu Server [Virtual Box]

I have a problem installing Guest additions in ubuntu server with kernel 3.13.0-39-generic I install whole headers for this kernel with $ sudo apt-get install build-essential linux-headers-$(uname -r)...
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1answer
2k views

libkmod: Error ../libkmod/libkmod-config.c:686 kmod_config_parse: /etc/modprobe./blacklist-nouveau.conf line 5 ignoring bad line starting with 'alia'

libkmod: Error ../libkmod/libkmod-config.c:686 kmod_config_parse: /etc/modprobe./blacklist-nouveau.conf line 5 ignoring bad line starting with 'alia' I started getting this recently then today it ...
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1answer
457 views

Unable to Install 14.1 on Dell Studio 1747 Laptop, Intel i7, 10GB RAM - Kernel error BUG: Soft Lockup

Update: I have now attempted to install 14.01, 13.1, and 12.04.5 with the same result. I have been attempting to install Ubuntu 14.1 on a Dell Studio 1747 laptop with a Intel i7 Core Processor. Have ...
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2answers
1k views

Boot fail after update kernel in ubuntu 14.04

When I want to install with this command sudo dpkg -i linux-image-3.14.24-031424-generic_3.14.24-031424.201411141736_amd64.deb I got follow error: grub-probe: error: unknown filesystem. run-parts: /...
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1answer
856 views

How to install Open Virtual Switch

I want to install the Open Virtual Switch. How can I do so? I read the openvswitch.org page but that was not well explained and I did not understand it, perhaps because I am new to Linux. Can any one ...
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1answer
524 views

virtualbox not recognising existing machine in ubuntu 14.04 LTS

I have install windows xp in Ubuntu host.I was working fine but suddenly when I restarted my computer virtualbox manager does not recognise my machine.I had reinstall,updated kernel and tried to ...
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2answers
1k views

custom iso, error rebuilding initrd (mkinitramfs)

I'm creating a custom ISO (starting with ubuntu-14.04.1-server-amd64.iso) and wanting to upgrade it's kernel to latest (for me that's 3.13.0-38-generic). I'm following the instructions in ...
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1answer
509 views

how to modify kernel to activate SPI-devices on 12.04 Pandaboard?

There are many examples online for modifying and building kernel, but non of them would realy work! I want to activate SPI-Devices to work with. It needs also GPIO-Interrupt for triggering SPI-Read-...
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1answer
246 views

ubuntu 14.04 not working after kernel update how can I save my ubuntu system?

ubuntu 14.04 not working after kernel update how can I save my ubuntu system? yesterday , when I updated the ubuntu 14.04 and its kernel core , it asked me for a reboot! and then I cant access to my ...
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1answer
27 views

Toshiba 2800-200 lubuntu installation failure

So I have an old toshiba running win ME, and I want to use it again. I thought I could just install lubuntu with a pen drive. The problem is when I choose the installation mode, it freezes until i ...
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1answer
502 views

Unable to boot after update to linux-image-3.13.0-39-generic

Running Ubuntu 12.04 LTS on Intel-based computer. I ran the update package for a new release Linux and it seemed to be successful, but when rebooting, I was unable to boot. I booted to a previous ...
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1answer
546 views

Gave up waiting for root device ubuntu 14.10

I have recently installed Ubuntu 14.10 (kernel v3.16.0-23) I am new to Linux environment and learning how to compile-install-boot new kernel image. I downloaded kernel 3.17.2. Compiled and built the ...
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1answer
607 views

I can't upgrade kernel on Ubuntu Server 14.04.1

today I made a mistake and now I don't know how can I fix it. I updated the kernel using dist-upgrade and I installed Linux 3.13.0-39-generic on my server. I had Linux 3.13.0-37-generic. The thing ...
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0answers
23 views

Compile lightest kernel for ubuntu 14.04 [duplicate]

I want to compile my own kernel for Ubuntu 14.04 64bits and do it the lightest as possible following this criteria: Lightest Kernel only with Visual Interface, no need lan, wlan, sound, etc... With ...
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1answer
238 views

Ubuntu (Kubuntu) not loading - problem with ati catalyst proprietary drivers

I have problem - upgrade kubuntu 14.04 to 14.10 and after this os not loading. I try with fresh install of ubuntu, after formating but problem is same. I see on driver notes this, may be this is ...
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1answer
556 views

Linux kernel discrepancy 3.11 and 14.04

I am trying to execute this command: $ sudo apt-get install build-essential linux-headers-$(uname -r) Reading package lists... Done Building dependency tree Reading state information... Done ...
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1answer
43 views

Read vlan priority and write that priority in text file [closed]

I want to read vlan packet in such a way that it should read vlan Id and vlan priority and write it in text file. My text file having pairs like "vlanid vlanproirity". 1. How do i read vlan id and ...
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2answers
279 views

ubuntu 12.04 often getting freeze

I am using linux ubuntu 12.04 since last 10 months. Now a days my system getting freeze often. I can not work frequently even for 10 mins. My system config: Ubuntu Release 12.04 (precise) 32-bit ...
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1answer
341 views

Kubuntu 14.10 kernel panic

I downloaded and burned the Kubuntu 14.10 amd64 iso. My laptop was running Kubuntu 14.04 amd64; it is a 4-year-old Dell Studio 17. When booting from the DVD, there is a kernel panic, unable to mount ...
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1answer
87 views

sporadically i get kernel panics Ubuntu 14.04 64 bit on my samsung

I have a samsung 7 chronos laptop with Ubuntu 14.04 64 bit. every so often just out of the blue it'll crash and I get a "kernel panic - not syncing; Fatal exception in interrupt" I have noticed that ...
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1answer
311 views

Make error on Nvidia drivers and kernel 3.17

I can't install nvidia-331-updates-uvm alongside with kernel 3.17 on Ubuntu 14.04. Here is the make.log of nvidia driver. Has someone solved this problem ?!