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

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Gave up waiting for root device (and cannot find drive from usb live)

I am seeking help for a typical problem for which I have tried many solutions. The typical problem is the Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - ...
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2answers
23 views

old kernel removal since lts/hwe

Since the move to 12.04 LTS/HWE, I now seem to have several linux kernel images stored. I don't really care about the detail of what is going on here, but want to know which of the old kernels I can ...
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9 views

signature and/or required key >missing - tainting kernel CrystalHD

I am running Ubuntu 14.04 32bit under Gnome on my plastic 2007 Macbook. The old laptop is still going strong, but I wanted to lesson the load on my cpu on video files. To do this I installed a ...
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4 views

How do I update a Intel536ep fax/winmodem driver installation for a newer kernel?

So I want to use my legacy PCI cards and USB winmodem on my Ubuntu 14.04, but I only found information for older kernels. What are the steps for this update/fix ? Please be helpful (step-by-step) ...
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37 views

Safe to manually remove old 12.04.2 LTS GNU/Linux 3.2.0-70-generic after upgrade to 14.04.1

After do-release-upgrade from Ubuntu 12.04.2 to 14.04.1 and reboot, - server still start up in 12.04.2 LTS. Is it safe to manually remove old 12.04.2 LTS (GNU/Linux 3.2.0-70-generic in /Boot ?. I do ...
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0answers
9 views

How do I get and remove the kernel source code?

So after I read How do I get the kernel source code? apt-get source linux-source-x.y.z but what if I issued a "sudo" of the last command in the /usr/src, how do I remove it (uninstall) ? Do I ...
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2answers
12 views

Restricting resources of user applications

Sometimes, either because of a memory leak or the computationally-intensive nature of a program, applications can start to slow down and ultimately freeze the whole system by claiming too much RAM or ...
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0answers
23 views

kernel3.17.1 update problem [on hold]

I need help, today I updated to latest Linux kernel 3.17.1. But after update I can not login. Login screen appears and nothing happens after I enter my login details. only my desktop background ...
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0answers
16 views

Checking of Residues of Windows

Years ago I had Windows OS in my System. But I now I am using Ubuntu only. I have 3 partitions in my Hard Disc Device Boot Start End Blocks Id System /dev/sda1 * ...
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2answers
51 views

Does Netflix need kernel 3.17 to work?

I am wondering if I need to update my kernel in order to get Netflix to work in Chrome. I have the latest version of Chrome installed, but whenever I try to watch something on Netflix, it says "oops, ...
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2answers
12k views

Stuck at Busybox v1.18.4 (ubuntu 1:1.18.4-2ubuntu2) built-in shell (ash) Enter help for a list of commands

I've installed win 7 and ubuntu 11.04. I was trying to upgrade my machine to 11.10. It was all good, it installed all the upgrades and asked me to restart. After restarting I got the login screen ...
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0answers
71 views

TCP hash tables in Linux Kernel

I have implemented a solution to migrate sockets between servers running Linux OS. The migration mechanism works very well and the client is capable of continuing receiving his service from the new ...
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0answers
18 views

I keep getting Kernel Panic with 14.04, it was fine until recently, any answers?

Roughly two weeks ago I started getting this kernel panic error on boot, I decided to make my machine just run ubuntu rather than have a dual boot of windows and ubuntu, so its on a formatted drive ...
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0answers
27 views

Amount of memory changed?

I've noticed that the amount of memory in Ubuntu 14.04 has changed, when I view the output of free I notice that it says 16304096. I find this weird because it was 16304120. After I booted in a older ...
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0answers
9 views

Lenovo P580 fan works when PC idle (14.04/64bit)

I have just updated Ubuntu from 14.04 (32 bit) to Ubuntu Gnome 14.04 LTS (64 bit). The fan will work extra even when the CPU is running at 45~55%. I have never had a single fan issue in any of the ...
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1answer
53 views
+50

Why are the installed linux header files empty?

I'm running 14.04, installed onto an empty hard drive. The linux header files are installed, but the .h files are empty. I can see the files here are all zero length: ...
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2answers
4k views

Safe to remove /usr/src/linux-headers after purging older linux images?

I'm running Ubuntu 12.04, and two active linux images 3.2.0-37 and 3.2.0-36. In the /usr/src/ directory i find: linux-headers-3.2.0-23 linux-headers-3.2.0-23-generic linux-headers-3.2.0-26 ...
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23 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 ?!
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49 views

I upgraded my 14.04 from kernel 3.13.0-36-generic to 3.13.0-37-generic and the system hangs

Everything works fine with kernel 3.13.0-36. After updating to the new kernel and rebooting, the video looks like it might not be right and the system hangs after logging in. Used grub to boot back ...
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20 views

How to add RTLinux in ubuntu 14.04? [duplicate]

I Want add RTLinux to my system which alresdy with edubuntu 14.04 LTS and Windows 8.I have tried linux-r ,but says command not found.Can anybody help me to solve this.
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21 views

How to load a different version of linux kernel?

I am currently using ubuntu 14.04 with the kernel 3.13.0-37-generic, I want to try booting from another kernel 3.17.01 (latest stable release). I have downloaded and built the 3.17.01 kernel from ...
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1answer
1k views

samsung backlight

I have a Samsung Series 7 Chronos (700Z5C-S02UB) and a couple of kernel updates ago (I'm currently on 3.5.0-25-generic ), I lost the keyboard backlight support. Any idea on how to turn it back on? ...
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148 views

USB sticks not accessible & system hangs at shut-down: related older hardware?

Please notice the two updates at the end of the post. Original problem I installed Lubuntu 14.04.1 on an older Acer Travelmate 4500 using the forcepae option and adjusting upowerd.py according to ...
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27 views

can't install ubuntu 14.04.1 on asus VC60-B022M

I checked the MD5 hash to see if my iso was corrupted; I tried both rufus and unetbootin to burn the iso image on usb key; whatever I do I get this error message: Kernel panic - not syncing: fatal ...
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1answer
15 views

“BUG: scheduling while atomic: nc/3622/0x00000101”

I have noticed the below stack trace shows up in /var/log/kern.log. Running Ubuntu 14.04 on kernel 3.13.0-32-generic. This issue does not happen frequently. [ 410.671752] netfilter: module loaded [ ...
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0answers
75 views

AMD legacy driver installation failed due to missing kernel headers

I am trying to install amd-driver-installer-catalyst-13.1-legacy-linux-x86.x86_64 on Ubuntu 14.04, and failing due missing /lib/modules/3.13.0-37-generic/build/include/linux/version.h. I tried to ...
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0answers
22 views

No network after unplugging cable and plugging it back in

I have: OS: Kubuntu (x64) Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: trusty Kernel: 3.13.0-29-generic My network card works OK when I boot up my laptop, but ...
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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 ...
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1answer
142 views

Installing Wireless Drivers on Yoga 11s

Yoga 11s wifi card drivers are not pre-installed. I have followed numerous instructions online all of which include downloading the same package, unzipping it, making it, sudo make install. A summary ...
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1answer
25 views

correct kernel source path

I'm trying to install cuda6.5 using the .run file on an amazon aws gpu instance. I'm getting this error. I'm not sure what the kernel source path is. I did install it with apt-get install linux-source ...
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4answers
2k 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 ...
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2answers
7k views

How to remove Kernel/LTS Enablement Stack?

this question regarding the LTS Enablement Stack has actually two parts: I installed Linux 3.5.0-x on Precise 64bit via sudo apt-get install linux-generic-lts-quantal xserver-xorg-lts-quantal . As ...
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2answers
37 views

Which kernel version should I pick for update [on hold]

Currently I am working on Ubuntu system. Here is my specifications shark@ubuntu-00000:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.10 Release: ...
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0answers
88 views

USB Keyboard/Mouse, Networking broken by kernel update

I recently (automatically) updated all the kernel-related packages (linux-image, linux-headers etc) to version 3.13.0-27.50. I'm using the generic kernel for AMD64. After reboot I find that my USB ...
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0answers
34 views

Blacklisting not working in 14.04

I blacklisted some modules in /etc/modprobe.d/blacklist.conf (e.g. "blacklist b43") but they are still being loaded. What am I doing wrong? PS I also tried adding 'b43.blacklist=yes' to the boot ...
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1answer
14 views

Ubuntu 14.04 - on the fly change operating system language while remotely support required

In Windows 8.1, OSX 10.9.4 and all other OS we cant do on the fly change operating system languages. We have purchased hardware from Japan, China, India etc etc for Europe, where organisation only ...
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0answers
13 views

How to debug intermittent boot problem?

My ubuntu 12.04.5 LTS (actually, a mythbuntu) has started to fail to boot. It's intermittent (happens ~25% of the time). I keep up to date with software--currently at 3.13.0-36-generic kernel ...
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0answers
42 views

Server crashed but why?

could someone tell me what causes the crash of this kernel panic? This machine (14.04.1) is a virtual machine on my KVM host (14.04.1) See the screenshot My host machine has 32GB of RAM and uses ...
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1answer
3k views

With Kernel 3.5.0-21 the wireless card Realtek RTL8723AE-BT stop working

Yesterday, I updated my Ubuntu 12.04 to the Kernel 3.5.0-21 and the wireless card stop working... In other threads I saw the same problem with another kernels. Anyone have the new driver? I sent a ...
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1answer
746 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
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1answer
14 views

autogen.sh can't find “ fontconfig” package

ran autogen.sh and get the error "package 'fontconfig' not found". I also get the suggestion to adjust the 'PKG_CONFIG_PATH' enviroment variable and/or variables "FONTCONFIG_CFLAGS" and ...
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0answers
15 views

systemrescuecd 4.3.1: parted cannot inform kernel of change

I am trying to use parted (3.2) on systemrescuecd (4.3.1), but keep getting the error message similar to below. Error: Partition(s) 2, 3, 4 on /dev/sdd have been written, but we have been unable to ...
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0answers
13 views

Is Governor integrated into Ubuntu 12.04.5 kernel, and does it use cpuset process?

I run Ubuntu/Xubuntu version 12.04.5 (wubi installation). This is a question I have been meaning to ask for a long time. I noticed many times while booting Ubuntu that Governor shows up in the list of ...
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1answer
80 views

Kernel Panic With Cheap Wi-Fi Usb Adapter

I've just bought a cheap usb wifi adapter from ebay. It is mediatek based, lsusb outputs: Bus 001 Device 003: ID 148f:7601 Ralink Technology, Corp. I'm on 3.13 kernel, and the driver provided in ...
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1answer
67 views

No sound after kernel update / ubuntu 14.04 x64

I upgraded a couple of days ago to the latest kernel: uname -a Linux tirith 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Hadn't use the box much, but ...
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3answers
3k views

Ubuntu 13.04 installation issues: unable to handle kernel paging request error

I wish I could say that I’ve done more for the Linux community as of recent but I am very VERY new to all of this and I feel very much in over my head. I figured I would install Ubuntu. on my computer ...
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0answers
17 views

E:The package linux-headers-3.13.0-36 archive [on hold]

To anyone whose reading this.i am a new to everything about lubuntu i don't even know the tiniest bit about it.i installed lubuntu on my pc and during the installation i had an error and now after ...
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1answer
2k views

How to fix “apt-get upgrade” errors?

I get these errors when I try to upgrade the packages installed on my Ubuntu system: m@m-desktop ~ $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state ...
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1answer
141 views

kernel panic occured after installing wifi driver

I have exactly this problem. I retype some of it in case link goes offline. I have notebook lenovo E540. I think I'm using 14.04.1 LTS (didn't check) and kernel 3.13.0-35. My wifi stoped working after ...
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0answers
32 views

Multiple kernels

So I've mistakenly installed multiple kernels.... But i have no binary setup (and do not wish to have any) The problem is when rebooting the first kernel isn't compatible with my drive (or ...