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

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1answer
45 views

Undetected Screen on my laptop since kenel 3.13.0-45

In Kubuntu 14.04 LTS, since kernel update 3.13.0-45, the laptop display remains black after boot. The system is running (I can fully access it via rsh) and the graphic card also (for external ...
0
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1answer
33 views

Where is the Ubuntu 14.04 kernel source code located? [duplicate]

I want to modify and want to make my own operating system using source code, so obviously firstly I need the kernel. I've decided that I'd use the Ubuntu 14.04 (Trusty Tahr) kernel. Where do I ...
0
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1answer
166 views

Ubuntu 14.04 Black screen nvidia driver 347. taints Kernel?

My pc, gtx 750 with nvidia 347 driver ubuntu gnome 14.04, boots only to black screen. When I look into the /var/log/syslog I get this error with the nvidia driver. nvidia: module license 'NVIDIA' ...
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0answers
26 views

Booting flash drive on multiple PCs

I installed Ubuntu GNOME on a 120GB USB 3.0 SSD with the intention of making a portable Linux install (not live) I could boot off of any system. I'm getting kernel panic due to UUID being incorrect ...
0
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1answer
88 views

Can't update kernel version because dpkg has an error everytime

I'm quite new to Ubuntu and want to upgrade my kernel to a newer version, but everytime I try I get the same error: Selecting previously unselected package linux-image-3.8.0-030800-generic. (Reading ...
0
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2answers
107 views

Change kernel version from command line [duplicate]

Is there a way to reboot with a different kernel version from the command line? I have Ubuntu PXE booted on a VM, and there is no graphical interface, but I need to downgrade the kernel (which is ...
0
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0answers
33 views

CODE INVOLVING GPY in python

The code I am trying to run is given below here. It is not executing beyond line 114 ie. print k. After, that the printing of the model is not taking place and the errors being returned have been ...
0
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0answers
43 views

Issues building driver for my x120e on Ubuntu

After downloading the Realtek Linux mac80211 based driver: from Realtek Driver Downloads, I'm encountering the following error; after changing to the "appropriate" directory and executing sudo make: ...
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0answers
40 views

grub rescue in dual booting (with ubuntu 12.04) and kernel panic error

Can anyone please help me out in solving the grub rescue problem that I'm facing on my Lenovo G570 laptop (installed operating systems are - windows 7 home basic and ubuntu 12.04 LTS)? The initial ...
0
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1answer
21 views

Do I need to install kernel source to apply a patch?

I'm using Ubuntu 14.04 with Linux version 3.16.0-30-generic. I've installed Beignet for OpenCL support. I'm running into some errors and the Beignet documentation says to resolve them by applying this ...
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0answers
16 views

Android Kernel zImage is not creating

Everything goes fine till kernel configuration of android kernel source . But when it comes to compilation of kernel that also goes pretty good make -j4 ARCH=arm...... But at last it does not show ...
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2answers
50 views

Why kernel are updated regularly, even more frequent than os releases

I have been observing that with Linux kernels are updated regularly. What I believe that kernel provide a basic layer for os to interact different hardware and softwares. It is open source and in ...
2
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0answers
107 views

Undefined reference error while using custom system call in kernel 3.19

I'm trying to import new system call in the kernel 3.19. I've followed the tutorial given here! This is my simple code to implement factorial calculation via system call. #include ...
0
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1answer
90 views

9.517513---[end kernel panic - not syncing :vfs:unable to mount root fs on unkown block(0,0) [duplicate]

I am a windows 8 user I just tried installing Ubuntu 14.04 and downloaded ISO and burn it in on CD, but when I tried installing I got an error on: 9.517513---[end kernel panic - not syncing ...
4
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2answers
1k views

How can I use Kernel 3.19 in 14.04 now?

So I'm rebuilding my storage server. For stability, I want to use Ubuntu server 14.04 LTS as the OS. However, I'm planning to use Btrfs with RAID 5, and this has been greatly improved in kernel 3.19. ...
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0answers
19 views

Not able to install ubuntu 12.04 or 14.04 kernel panic

I am not able to install from scratch ubuntu 12.04 or 14.04 64bit or 32bit in my desktop: AMD 64 fx60 3GB RAM in 3 banks 4MB Asus a8n32 sli 2 Asus NVidia 7800 GT SLI SATA 3 board pcie hd ssd samsung ...
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0answers
31 views

Module rtl8188ee crashes frequently

I'm using 14.04 with the Utopic kernel and graphics stack (Linux 3.16) and I've been having some problems with my computer's built-in WiFi. Sometimes, my wireless connectivity will significantly slow ...
0
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2answers
110 views

CPU frequency control

I have a kubuntu 14.04 with the latest HWE kernel (3.16.0-31-generic), and a Xeon 1246v3 processor (which is basically an i7 4770 with ecc support). The processor has base frequency of 3.5 ghz, and ...
1
vote
1answer
48 views

What does Kernel do? [closed]

Firstly, I'd like to say that I LOVE LINUX OS :) I'm new and i found this project -> https://www.kernel.org/ is contributed it as an open source. My Question: Can i make my own Linux OS by using ...
0
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1answer
63 views

Ubuntu 14.04 is totally broken, how can I reinstall from a new disk?

I tried updating my kernel (intel pentium processor, Msi r7 260x graphics, Ubuntu 14.04) and now my computer will boot and display a black screen and a pop up saying the stored configuration for ...
0
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1answer
32 views

Tried Ubdating Kernel; Now, Desktop won't load on startup

I get a blank black screen and a message that says "could not apply the stored configuration for monitors required virtual size does not fit available size" and says it can't use 3840xy and it's ...
1
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1answer
86 views

Will an update to Chrubuntu damage Chrome OS?

I am running Chrome OS 40 and Ubuntu 12.04 on my Toshiba Chromebook 2. I was wondering if updating to Ubuntu 14.04 will update my kernel and break Chrome OS. I've almost updated before, but then I ...
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1answer
108 views

How to build my own Linux distro? [closed]

Suppose, I've downloaded my kernel from http://kernel.org/ Now, How should i add desktop background with Mouse pointer, control panel, wallpapers etc.? Please help, Surely help would be appreciated!
1
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1answer
458 views

How to get Source code for Ubuntu? [closed]

I've heard that Ubuntu is an Open source project. So, Suppose I've got Windows 8 installed at this time and I want to build the Ubuntu Operating System myself - by compiling each package, and build ...
0
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0answers
119 views

14.10: Screen freezes randomly

Sometimes my screen just freezes in total, except for the mouse pointer. With the last freeze some minutes ago, it was possible to get into the console (Ctrl+Alt+F1). When entering the console I got ...
0
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1answer
16 views

Cannot disable kernel updates on 12.04

I have Ubuntu 12.04 LTS. Update manager will try to update the kernel version, unfortunately this causes issues with certain applications/drivers I use. Each time I have to manually deselect the ...
7
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3answers
2k views

How do I modify “/sys/kernel/mm/transparent_hugepage/enabled”

I use mongodb 3.0 and I find a warning: MongoDB shell version: 3.0.0 connecting to: test Server has startup warnings: 2015-03-13T16:28:29.405+0800 I CONTROL [initandlisten] ...
0
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0answers
23 views

How to make the binfmt_misc kernel module present in my OS

I installed ubuntu to my chromebook which is running on an ARM cpu. I discovered some software called 'Eltechs ExaGear' that allows intel apps to be run on ARM processors but when following this ...
0
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0answers
20 views

error while recompiling

while recompiling linux-2.6.28.10 to create a new kernel patch, following error encountered while runnning the command make bzImage arch/x86/xen/xen-asm_64.S: Assembler messages: ...
0
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0answers
78 views

Ubuntu 12.04 to 14.04 distro upgrade problem in Kernel or Graphics display? Freeze login

On Thursday, I upgraded Ubuntu from LTS 12.04 to 14.04 LTS, Its been 2 days juggling up to restore my laptop to normal, I have exhausted nearly all suggestions listed on Ubuntuforums, IRC, Askubuntu ...
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0answers
41 views

Access GPIO pins on pandaboard running ubuntu 12.04

The trouble I'm having is that the error message shows that the kernel does not support gpio. So, what should I do to make the kernel support gpio?
0
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1answer
169 views

Why am I still running kernel `3.16.0-28-generic` on 14.10 although I have -29- and -33- installed?

I just received another kernel update (3.16.0-33-generic) I installed with apt-get dist-upgrade. I rebooted and checked with uname -r which gave me the output 3.16.0-28-generic. I know from ...
0
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1answer
122 views

Can't build Ubuntu Kernel: Why does “make mrproper” get rid of debian directory? How do I build a Ubuntu/Trusty kernel without debian/rules?

I've been trying to build a Ubuntu Kernel for the past several weeks. (Actually, I don't need the kernel, I just need snd-aloop.ko, which is missing from the Ubuntu 14 server distributions, it's in ...
0
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0answers
215 views

Error: Unable to build the NVIDIA kernel module (3.16.0-23-generic and NVIDIA-Linux-x86_64-331.49.run)

I tried to install the Nvidia driver NVIDIA-Linux-x86_64-331.49.run following kind advice from JohnnyEnglish, but I have not been successful. I appreciate your suggestions :) lsb_release -sr # ...
0
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0answers
122 views

How to rotate the LCD screen/framebuffer to 180 degree in console?

I have custom board with i.MX6Q SoC. I am using Linux kernel 3.03.35 and LCD is 3.5 inch RGB type display. I want to rotate my LCD screen to 180 degree. I tried a lot to pass parameters to > ...
0
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0answers
14 views

kernel system installation 14.10

System install stops at kernel during boot segment, on a clean install, of tested, ubuntu, iso image. Do I 'skip from within a shell prompt? Skip, as suggested in ubuntu install, menu window, 'skip ...
0
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0answers
35 views

Compiling an individual kernel module (Debian/Ubuntu)

I need to modify the ELF loader's kernel implementation of an Ubuntu 14.04 distribution. Having downloaded the sources using: sudo apt-get source linux-image-$(uname -r) I ran the configuration ...
0
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0answers
27 views

Getting initramfs error after adding the system call in Ubuntu?

I downloaded Linux source kernel using sudo apt-get source linux-image-`uname -r` command then I have created a directory and added a very simple system call in a *.c file and have created Makefile ...
1
vote
1answer
74 views

Networking problems with new kernel [duplicate]

I am new to Ubuntu world since I've been using it for near a year or so. Software is great, but I have some hardware issues. Along with Ubuntu 14.04 come kernel witch was ok – some minor issues : ...
0
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0answers
36 views

modprobe of nvidia driver for GPU not loading at boot

Goodmorning AU- Problem is exactly as described above; OS: Ubuntu 14.04 Card: GTX 980M Driver: 3.43 My GPU computations with caffe don't work right on boot, it requires a sudo modprobe ...
0
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2answers
109 views

suddenly read only file system (ext4)

I've installed Ubuntu 14.04, and I'm getting read only file system(/dev/sda3) randomly. Previously I was using Arch linux(3.14 lts), which had the same problem but discarded due to other problems. I ...
0
votes
1answer
51 views

Meaning of kernel WARN_ON

tailing /var/log/syslog for apparmor denied messages, I came accross this never ending warning: Mar 10 09:35:43 franck-ThinkPad-T430s kernel: [ 2216.247652] ------------[ cut here ]------------ Mar ...
0
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0answers
18 views

Up/Down interface in Kernel

I am trying to write a Linux kernel module that with the correct command, will bring down the the network interface (lets say wlan0) change its IP address to the one specified, then bring the ...
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0answers
69 views

Ubuntu 14.04 Reboot instead of Shutdown after kernel update

After updating the kernel of my Ubuntu Server 14.04 from 3.2 to 3.13 (generic-lts-trusty) it seems to be impossible to shutdown (power down) the server from the command line. Upon shutdown -P 0 or any ...
1
vote
1answer
74 views

How can I remove compiled kernel?

I installed 14.10 on my laptop Lenovo E455. And compiled kernel 3.19 with following order since it seemed that 14.10 doesn't want to work with mine.(I saw slow motions) Downloaded current kernel ...
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0answers
36 views

problem with kernel

In the past I had tried to update the ubuntu kernel with that found on kernel.org. Due to some problems I had to revert the changes as my kernel image didnt boot well. Since then I get the below ...
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0answers
24 views

install packages depends in linux kernel automatically when upgrading kernel

I created a .deb file from my project and defined dependency on specific Linux kernel package such: linux-image-3.11.0.29-generic For every Linux kernel update I will compile a deb file and put it ...
0
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0answers
14 views

Need help for kernel compile

I am trying to learn device driver programming. for that i need to install kernel source tree. here i am I find the error when i try compile the kerenl. -- Copy our flavored configuration file back. ...
0
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1answer
66 views

Why is preemption disabled by default for a desktop edition?

I am using ubuntu 14.04 and i am using just the kernels that came with distro (version 3.16.0-31-generic). I checked /boot/config-3.16.0-31-generic, it says # CONFIG_PREEMPT is not set (and it does ...
0
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2answers
84 views

When would it be that Ubuntu 15.XX is released? [duplicate]

I just bought new laptop which is Lenovo ThinkPad E455 posted on the H/W partner. And it is found that 14.10 has kernel 3.16 which is older than currnet release. It is wanted to know if Ubuntu 15.XX ...