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

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5
votes
3answers
6k views

error: attempt read-write outside of disk `hd0`

My problem This problem has been plaguing my boot for a while, it happens about half the times I start up my computer. Grub will load successfully, and wait ten seconds for me to choose which OS to ...
0
votes
1answer
84 views

Ubuntu 14.04 = fn+f2/f3 (backlight) keys not working

With 14.04 LTS Ubuntu (64-bit), using any of the offered kernel solutions (including ones from the newer releases up to 3.19), f2/f3 brightness controls fail to register. As a matter of fact key ...
2
votes
1answer
109 views

bonding virtual network interfaces in ubuntu

I have one physical interface(eth0) and two virtual interfaces(eth0:1, eth0:2) , both of virtual interfaces have Public IP addresses. I want to bond these two virtual interfaces into bond0, As you can ...
8
votes
2answers
9k views

Is the Intel Thunderbolt interface supported in Ubuntu Linux?

I was searching the web around one hour now, but still could not find a definite answer: Is Intel Thunderbolt already working with Linux? I am especially interested in networking, so that I can ...
1
vote
2answers
41 views

Running apt-get install updated unrelated packages and is causing issues

I recently ran apt-get install unzip on an Ubuntu server, for some reason it started updating almost every package on the system - apache, php, git, mysql, numerous libraries and more. Eventually it ...
0
votes
1answer
35 views

need help updating Ubuntu to kernel 3.19

please help me update the Ubuntu kernel i updated to 15.04 vivid and it installed kernel 3.13.0-46-generic i want to get 3.19 to resolve a blue tooth error on boot please help me to update for iam a ...
2
votes
1answer
381 views

Why do I see so many frequent updates to the kernel?

Is Ubuntu sending these unusually frequent updates or am I being "blessed" by the usual suspects ? Why is now "unattended updates" installed when a cardinal reason for using Ubuntu was the wish to ...
1
vote
1answer
91 views

No linux-tools for stable kernel release

I can't install and use perf tool on my linux server: Linux vzu01-ubuntu 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan 15 17:43:14 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux root@vzu01-ubuntu:~# ...
11
votes
3answers
12k views

List of Ubuntu Versions with Corresponding Linux Kernel Version

Is there a list of Ubuntu versions with default corresponding Linux kernel versions somewhere? I would specifically like to know the most recent version of Ubuntu that still used Linux Kernel 2.x.
0
votes
0answers
31 views

How to bisect kernel when good is v3.11.10 and bad is 3.12.0

since upgrading from Ubuntu 13.10 to 14.04 (changing from kernel 3.11.10 to 3.12.0+), suspend hangs occasionally on my 2 different PCs. It is reproducible on 14.04, 14.10 and still present in all ...
0
votes
1answer
49 views

Kernel advice and how to block unwanted downloads

Further to the question/comment “WINE FAILURE today”: The upgrade to kernel 3.13-59 was problematic. Following advice I upgraded my kernel to 3.19-25 which overcame my problem. Shortly afterwards ...
0
votes
2answers
349 views

Kernel Panic - Not syncing: Attempted to kill init! exitcode=0x00000009

I have a laptop that came pre-installed with Ubuntu 14.04 and has had minimal issues until now. Upon booting I am presented with the following kernel panic: After forcefully shutting down the ...
1
vote
1answer
45 views

LXC is returning an error when creating new unprivileged containers

I recently migrated to a new server (Ubuntu 14.04, dedicated, not virtual) and installed LXC 1.1.2. I had LXC set up on my previous server without any trouble but on the new server I'm consistently ...
0
votes
0answers
53 views

Cant Remove Kernel, Not Found, No Space

I am running into a problem removing a kernel. I need to remove this 52 kernel to install some packages, but it keeps erroring out. I was wondering what steps I should take, its gummed up somewhere. I ...
1
vote
1answer
37 views

Messy partitions: How do I fix my HDD and SSD partitions from a USB?

So after finding out I gave my external HDD 250 MB instead of 250 GB I tried to fix it by changing the partitions around with some popular software. Told me to restart my PC. Now every time I try to ...
1
vote
1answer
49 views

Linux kernel meta package and headers

Running Xubuntu 14.04.2 LTS What is the idea and what is the difference between Linux Kernel, Linux header and meta packages ? What if I have one with updated version and one with previous ? And why ...
1
vote
2answers
552 views

How to roll-back or downgrade kernel on 14.04 (re: Wine stopped working)?

With a recent update (I'm on 14.04 LTS), Wine suddenly stopped working. It turns out this has already been reported at WineHQ where the related bug reports are linked. The advice there is to ...
8
votes
1answer
150 views

syslog doesn't exist!

I use 14.04 and I don't have syslog. I'm a fresh user of Linux, being Windows user for years. When I try tail syslog and that's what out: henrique@henrique:/var/log$ tail -f /var/log/syslog tail: ...
0
votes
1answer
61 views

Cannot install Kernel Security updates in 14.10

I cannot install some security updates to Ubuntu 14.10 (Utopic Unicorn) 64bit, which are kernel updates. Those are the updates. I cannot install them. In settings, I have everything ticked. ...
8
votes
2answers
4k views

switch between different version of kernel without a reboot

I want to switch between different version of kernel installed on my system without reboot. That is to say if i have '3.0.0-16-generic kernel currently running and i have older kernel ...
0
votes
1answer
479 views

Unable to compile Broadcom wireless driver on kernel 4.x update

I can not manage to get the wifi works when updating my kernel to 4.x. During the installation, the Broadcom wireless driver failed to compile. I am getting this error : Error! The dkms.conf for ...
0
votes
1answer
70 views

Can I delete my most recent kernels

Yesterday I asked about problems I am having with my laptop computer Having problems booting my Lenovo laptop Basically the problem is that all recent kernels are failing, whereas old kernels still ...
1
vote
0answers
28 views

Surface Pro 1 with Ubuntu 15.04 Problem; You need to load the kernel first

I've installed Ubuntu successfully then told me to reboot, but I'm stuck in the screen where I had to choose four options: 1) Try Ubuntu without installing 2) Install Ubuntu 3) OEM Install 4) Check ...
1
vote
0answers
29 views

DRM not initializing eDP LCD Display

I'm having an issue with Ubuntu on a small-form-factor PC I built. It is based on the ASUS Q87T and the Intel G3258 CPU. Everything works great with an external (DP, HDMI, VGA) display, but I cannot ...
3
votes
2answers
99 views

Updating kernel question

I'm running 14.04 and installed the 4.02 kernel several months ago because it supported my hardware better (ThinkPad T450s) than the 3.13 kernel. When I run software update, however, it does not ...
0
votes
1answer
72 views

Ubuntu 14.04 install hardware enablement stack for kernel beyond 3.13.x?

I know there are tons of documents online talking about hardware enablement stack, I also know the theory for LTS to get more closer kernel and X library, so does it means I CAN NOT install kernel ...
8
votes
4answers
1k views

Do I “need” DKMS?

My Ubuntu based distro came with some VirtualBox stuff preinstalled, so I uninstalled it and it autoremoved DKMS package. From what I saw, it looks like useful package, but do I need it? Stuff like ...
1
vote
1answer
68 views

Why does Lubuntu 14.04 Kernel Panic on boot when Notebook is connected to AC Power, but not when on battery

since Ubuntu kernel 3.13.0-59 (or possibly even -58) Lubuntu kernel panics on Acer Travelmate B115-M when the device is connected to AC, but not when it's starts with battery only. Older kernels ...
0
votes
0answers
25 views

No modules in /lib/modules Linaro Deskotp

I am trying to run Linaro Ubuntu Desktop on an ARM embedded device - mainly for use of the Unity GUI. When I boot my device I get output to the screen and just before the boot process completes I ...
1
vote
1answer
40 views

Having problems booting my Lenovo laptop

I reported a bug on this issue and have had zero response http://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1474342 The problem is that I can no longer turn on my laptop and expect it to ...
0
votes
0answers
73 views

Black Screen after install kernel 4.2-rc3 on Ubuntu 14.04.02 LTS

I hope you can help me, ever after compile and install the Kernel 4.2-rc3 or even the kernel 4.2-rc4 i get black screen on the primary display always, with the next steps you can reproduce this issue ...
0
votes
0answers
14 views

Computer does not start correctly

I'm running Ubuntu 15.04 on a Dell Inspiron. When the computer first starts, most of the time it just hangs on a purple screen. I have to hold the power button to get it to turn off. When it starts ...
4
votes
2answers
14k 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 ...
0
votes
1answer
105 views

How do I remove old kernels despite 100% inode use in /usr?

I was trying to update my packages today: $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f ...
1
vote
1answer
104 views

Ubuntu 15.04 Kernel panic - Samsung Series 9

Samsung Series 9 Laptop crashes in ubuntu 13.04-15.10 and other Linux (debian, arch, freebsd). Check: cleaned laptop, change the battery, change CPU cooler, memtest, temp. kernel 3.11 - crashes ...
0
votes
2answers
158 views

Installed 14.04 Ubuntu desktop ..want to upgrade kernel

Whenever I boot into this OS, Im encountering lot of bugs which are making the system unstable and stop functioning. I have frequently found this error bug soft lockup - cpu#0 stuck for 22s ...
0
votes
0answers
86 views

Ubuntu freezes, CPU soft lockup, intermittent screen artifacting

I am relatively new to Ubuntu and I am having a few issues, regarding the software or my computer I don't know. A little bit of background - I am dual booting windows 8.1 and Ubuntu 14.04.2 and I ...
1
vote
3answers
190 views

Need help removing linux-image-3.16.0-34-generic and linux-image-extra-3.16.0-34-generic

So I feel like a dunce having to post about this but, I need help trying to fix this issue, mostly because without the fix I can't install any new software or run updates. For some reason one of the ...
20
votes
5answers
164k views

Kernel requires an x86-64 CPU, but only detected an i686 CPU. How can I install Lubuntu/Ubuntu?

I'm trying to install Lubuntu on my laptop (sorta old 2005). [Laptop stats: Intel® Celeron® CPU 410 @ 1.46 GHz 1.47GHz, 448 MB of RAM] I press Install and this message appears: This kernel requires ...
0
votes
1answer
46 views

Error building a VM

My system: #uname -a Linux hostname 3.13.0-57-generic #95-Ubuntu SMP Fri Jun 19 09:28:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux I am trying build a VM ( ...
4
votes
3answers
865 views

Does Ubuntu contain Non-free kernel blobs and other non-free system components?

I heard Richard Stallman say that Ubuntu contains non-free blobs. Why does it have such blobs and what functions do these non-free blobs and system components do that free software can't? Does ...
1
vote
0answers
15 views

audit tool is unable to capture the bash(write operations) events

I have the following configuration in my system OS : ubuntu 14.04 Kernel version : 3.13.0-32-generic I have following rules in my audit.rules file. -w /etc/ -p wa -k ...
0
votes
0answers
35 views

Wifi drops on apt-get update ubuntu 15.04

need help with Ubuntu 15.04, i updated the kernel to 4.0 and i don't know if that's the reason but the wifi broke on trying on update, be it with the software updater or apt-get update && ...
0
votes
0answers
64 views

/casper/vmlinuz.efi: not found for ubuntu 14.04.2 LTS

/casper/vmlinuz.efi: not found is the error that is shown when i tried to start ubuntu for using vmware by downloading an .iso file for Ubuntu 14.04.2 LTS. What should I do now ? Also , when I ...
0
votes
0answers
15 views

Ubuntu 14.04 Server Keeps hanging, please help!

Have several servers all identical running compute services for openstack. All except one work fine. The one and only server randomly freezes and I can only do a hard reboot to restore it. When ...
0
votes
0answers
60 views

Virtual box says kernel driver not found

Every time I click on my virtual OS it says Kernel driver not found. I have tried sudo /etc/init.d/vboxdrv setup but it didn't work.
3
votes
1answer
113 views

Ubuntu 14.04.02 downloads lts utopic kernel

So an update just came up for me asking to install kernel stuff, and I looked into it. It turns out it was going to install the 14.10 (utopic) lts kernel (linux-image-generic-lts-utopic) along with ...
0
votes
0answers
337 views

no HDMI audio on Intel NUC (NUC5i5RYH)?

As the subject suggests, I'm having a bit of trouble getting audio over HDMI with an Intel NUC. I'm running 15.04 Vivid. To be honest, I've heard before that the kernel is considered to be monolithic ...
1
vote
1answer
118 views

Kernel Panic when attempting to boot Ubuntu 15.04 CD on older computer

I have an older machine that I would like to install Ubuntu to. When the computer sees the CD and attempts to boot from it, the Ubuntu colour will appear and the accessibility and keyboard icons will ...
10
votes
2answers
38k views

How do I get the kernel source code?

I am planning to write some device drivers and I need to get the Linux kernel source. My Linux kernel version is 3.2.0-23-generic-pae and I downloaded the image from this. In many of the articles I ...