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

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0
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1answer
30 views

Can i recompile kernel in dualboot environment?

I need to fix a value hid-ids.h and compile kernel so that my device will work. But i'm on dualboot with windows 8. If this goes wrong can it damage grub or will this just affect my ubuntu ...
0
votes
1answer
47 views

Installing non-pae ubuntu from USB-stick without network

there! I have to install ubuntu on my old laptop(IBM thinkpad T42). When I was trying to install normal desktop version, it said that you must have non-pae kernel version. After that I downloaded ...
11
votes
3answers
1k views

Is my kernel safe to use?

I am running Ubuntu server 12.04 and my fresh installation is using the 3.2.0-60-generic kernel, however when I go to https://www.kernel.org/ it says the latest stable kernel is only 3.14 I don't ...
0
votes
1answer
607 views

Can't install Ubuntu 13.10; freezing on configuring bcmwl-kernel-source

For three hours, I have been trying to install Ubuntu 13.10 on my Gateway MX6445 laptop, but every time, installation stops in the last step. Could anyone help me?
4
votes
1answer
990 views

Booting Paravirtualized Kernel On Bare Hardware

I been reading dmesg and i found the line " Booting paravirtualized kernel on bare hardware " but I am not using Ubuntu in visualization I am using it on my laptop DELL N5110 the only OS I have on ...
0
votes
1answer
67 views

What happens after the core selects mass-storage

When a usb mass-storage device is attached to the host, enumeration of the device happens and the process where an address is given to the device, getting the descriptors occurs, then the core checks ...
0
votes
1answer
48 views

Newly compiled kernel not booting up (vanilla kernel 3.12.14)

I downloaded, configured and installed kernel downloaded from kernel.org. While booting up this new kernel for the first time, this error screen shows which is pointing towards a missing or wrongly ...
2
votes
2answers
200 views

Are reboots required after updates?

I noticed from other posts that /var/run/reboot-required.pkgs tells what package is requiring a reboot, but this file does not exist anymore. I have been running Ubuntu 13.10 (and updated to beta ...
2
votes
0answers
10 views

How to set an image generated by update-initramfs to be loaded by default [duplicate]

In my adventures in trying to revert a kernel upgrade (it broke my wifi for some reason), I was able to generate a boot image for the previous kernel (#update-initramfs -c -k 3.11.0-17-generic) I ...
1
vote
1answer
265 views

Header path during installation VMware [duplicate]

I have installed VMware on Ubuntu 13.10 but when i launch it then a message said that i have to specify the path for the linux-headers-3.11.0-19-generic. Now i'm not expert on linux, i give the ...
22
votes
4answers
30k views

What is the meaning of 'i686' in Ubuntu?

To check whether I am using 32bit or 64bit Ubuntu. I looked in How do I check if I have a 32-bit or a 64-bit OS? and found this answer uname -a. If it is shown as i386, it will be 32bit and amd64, it ...
-2
votes
1answer
31 views

File permissions and applications

How does ubuntu protect against executable files which become executable through another installed app changing the permissions? I mean it is possible to check applications do not change file ...
2
votes
2answers
60 views

Does Ubuntu use segments or pages to allocate main memory? [closed]

Segmentation or Paging scheme that ubuntu 12.04 use to allocate the main memory? Does it use both of it? How? If it doesn't use both scheme, so what the scheme that should be use? why?
0
votes
1answer
2k views

Installing TP-Link TL-WDN4800 Adapter with Ath9k

I just bought a wireless adapter and am still trying to install its drivers onto Ubuntu. I have looked up ath9k and seen that it is compatible with kernal module ath9k. I'm new to ubuntu and most of ...
0
votes
1answer
273 views

Realtek RTL8188CUs

I am trying to use an airlink wifi dongle with RTL8188CUs chip. It has not been going very well. I found a link to a driver installer Download rtl8192cu-tjp-dkms_1.6_all.deb 1.0 MB When I run ...
0
votes
1answer
42 views

Unable to login to my account using terminal

I was trying to add some lines to the end of .bashrc file by following instructions to install rvm on Ubuntu 12.04 , now when i am putting in password after doing a sudo su the terminal freezes . ...
2
votes
0answers
57 views

Not able to boot ubuntu after windows drive format

I formatted one of the partitions of my Windows 8 drive after which my Ubuntu is not booting. I am using a dual boot system with Ubuntu 12.04 release. On booting, grub menu is displayed properly. ...
1
vote
2answers
1k views

How to activate Radeon Dynamic Power Management?

I've just installed Ubuntu 14.04, I'm not sure if Radeon Dynamic Power Management is working because the laptop is hotter than my previous Ubuntu 12.04.4 with kernel 3.11 plus adding the kernel ...
0
votes
1answer
127 views

kernel panic error

I am not able to run any application, due to the fact that my computer hangs, saying "kernel panic". I tried to start the computer in recovery mode, without success. I tried to upgrade the kernel, but ...
2
votes
2answers
556 views

Control loading of kernel module automatically

When i do rmmod usb_storage and then dmesg i can see the output saying usb_storage deregistered. But when i attach a flash drive and then dmesg , it says Initializing USB Mass Storage driver... ...
2
votes
1answer
49 views

is it safe to use kernel 3.8 with ubuntu 13.10?

Kernel 3.8 is my last bug-free kernel, kernels from 3.9 to 3.12 all have a SUSPEND/RESUME problem, kernel 3.13 seems to fix the bug but the cpu fan doesn't work any more (stays at low speed even if ...
0
votes
1answer
89 views

How Ubuntu Desktop Graphical user interface developed [closed]

I am new to Linux development. I know some basics of the Linux architecture, that there are layers such as hardware, Kernel, libraries and GUI. I know kernel and drivers are mostly developed using C ...
1
vote
1answer
777 views

Problem with kernel 3.11.0-19-generic in Ubuntu 13.10 [closed]

A few hours ago Ubuntu (13.10) notified me that an update was available. I installed it, and then Ubuntu told me to reboot. After rebooting I encountered a problem: The login screen wasn't using the ...
1
vote
1answer
46 views

I want to change some of the linux files, how to recompile the linux and reinstall it [duplicate]

I want to make changes to the kernel files /linux/net/ipv4/ip_output.c in my case. I want to add a script to be run that changes the payload of the data whenever a packet passes through the ...
0
votes
2answers
93 views

How to understand Linux versions

I'm considering purchasing an expensive board and SDK that "works with Linux" which I've learned to my cost to mean "works with some Linux". The vendor has asked which kernel version I have. Using ...
1
vote
1answer
402 views

With kernel 3.12.15-031215-generic and VMware Workstation 10.0.1 build-1379776 vmware-modconfig --console --install-all failed

Here is the log Stopping VMware services: VMware Authentication Daemon done VM communication interface socket family done ...
2
votes
1answer
493 views

Kernel module getting loaded automatically

When i do rmmod usb_storage and then dmesg i can see the output saying usb_storage deregistered. But when i attach a flash drive and then dmesg , it says Initializing USB Mass Storage driver... ...
0
votes
1answer
62 views

Installation fails when installing 64-bit version of Ubuntu but not 32 bit

I have a flash drive with Ubuntu 13.10 on it that I'm trying to install. When I try and install the 64 bit version on my computer I get this error: Kernel panic - not syncing: VFS: Unable to mount ...
8
votes
1answer
1k views

HEAD is now at 9e52a21

I am trying to run a kernel module on a Nexus 7 emulator on Ubuntu. I ran this command in the terminal: git clone https://android.googlesource.com/kernel/msm.git Then I want to checkout this: git ...
0
votes
1answer
32 views

How to add a Package to kernel to make it default package?

I want to add xclip package to kernel to make it default package. Means if I give mine custom version of kernel to someone to install then xclip package should also be installed with kernel. They ...
2
votes
1answer
786 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
71 views

Is there a way to restore /lib/modules?

I accidentally deleted /lib/modules is there a way to restore this?
0
votes
1answer
3k views

Error! Bad return status for module build on kernel: 3.8.0-37-generic (x86_64)

After updating some packages in my machine (using aptitude), I got the following error: Error! Bad return status for module build on kernel: 3.8.0-37-generic (x86_64) Consult ...
1
vote
1answer
140 views

How Ubuntu kernel (3.12) did not trigger realtek 8169 issue?

I have a customized vanilla 3.12.14 kernel which could not work with r8169 ethernet card. Watchdog will through timeout on NETDEV error. This error was reported on multiple distros, on 3.12 kernel. ...
0
votes
1answer
80 views

Kernel editing of my boot loader? [duplicate]

My i686 with server 12.04 386 boots to a black screen. I read a post that said I need to edit the kernel of the boot loader. The installation went smooth except for the black boot screen. How do I ...
0
votes
1answer
931 views

Can I disable the internal speakers while keeping the audio jack enabled?

I have Ubuntu 13.10 installed on my MacBook Pro 4,1 and it is working great. The only problem is that my broken speakers let out static all the time. I somehow broke the speakers while I was repasting ...
1
vote
1answer
1k views

dpkg: error processing linux-generic unmet dependency error [duplicate]

dpkg: error processing linux-generic, un met dependency error when sudo apt-get install -f Setting up linux-image-generic (3.2.0.60.71) ... dpkg: dependency problems prevent configuration of ...
0
votes
2answers
200 views

Is it possible that I have more than one Linux kernel installed? [duplicate]

I was reading this. It's about detecting installed kernels. KERNELS???!! Is it possible that I have more than a kernel?? How is that??!!!!! ...so I followed the command in the instructions and this ...
0
votes
2answers
211 views

Empty build directory in custom compiled kernel

I have a script (found here on github) that custom compiles the 3.8 linux kernel (with Xenomai for real-time). The kernel compiles/installs/runs however when I try to install my graphics driver (fglrx ...
1
vote
0answers
37 views

How can I use the default generic kernel in a UEC Ubuntu Cloud Image?

I download a UEC style Ubuntu Precise image from http://cloud-images.ubuntu.com/ that I want to use in an OpenStack cloud, but I want to make some modifications to it before booting the VM. ...
2
votes
4answers
402 views

How does the grub bootloader know?

I am not understanding how it comes to know which kernel image to load? I have so many. Once I had created my own kernel and recompiled. How does it come to know that this is the one to load?
4
votes
0answers
244 views

Cannot find classmap.h

When i execute: make modules i get the error: make[1]: Nothing to be done for `all'. make[1]: Nothing to be done for `relocs'. CHK include/generated/uapi/linux/version.h CHK ...
3
votes
0answers
961 views

unable to generate .deb file using make deb-pkg?

I am trying to build my linux source tree. I used following steps : sudo make clean sudo make localmodconfig sudo make menuconfig sudo make deb-pkg But after completion I was not able to see any ...
5
votes
1answer
837 views

Why 'make gconfig' does not work while compiling the kernel?

I am trying to compile vanilla Linux kernel 3.12.14 downloaded from kernel.org. When I try make gconfig, it says: * Unable to find the GTK+ installation. Please make sure that * the GTK+ 2.0 ...
0
votes
1answer
1k views

dpkg opporations fail: Failed to run depmod, error processing linux-image-generic

My Laptop had lost power a couple of times recently, and now, whenever I try to do a package operation I am getting the following error code. I tried searching for a solution on the forums, but these ...
1
vote
0answers
94 views

nvidia driver is not loading after kernel update

I downloaded Nvidia driver from Nvidia's website. I set up it under kernel 3.11.0-17. Every thing was almost perfect for me. It was even working after update to kernel 3.11.0-18. However I wanted to ...
0
votes
1answer
268 views

Acer Aspire One 751h multimedia support

I have installed Ubuntu 12.04 on my Acer Aspire One 751h netbook. Recently I updated my Linux kernel to 3.11.08-18. Thankfully my video works awesome, but there is no sound. I have Realtek Audio ...
2
votes
2answers
322 views

When/why do I need to make/install linux headers?

The use case is installing Ubuntu Core to run as an appliance. The machine: will run a single task, is preferably slimmed down to have low disk space consumption, has the (custom) kernel installed ...
1
vote
1answer
827 views

How to know if the OS is desktop or server version

We have both Ubuntu 12.04 LTS server and desktop editions installed in office. How do I know if the installed ubuntu was server or desktop edition (forget GUI as all are CLI). Uname -a and ...
2
votes
2answers
383 views

Is it possible to install two kernels and choose one on startup?

I want to install Ubuntu Studio and I'm aware that it uses a different Linux kernel than normal Ubuntu. Is it possible to install both kernels and chose which one to use on every startup? And if yes, ...