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

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1answer
26 views

Failed to install 3.16 kernel on Ubuntu 14.04

I am trying to install 3.16 kernel on Ubuntu 14.04. I was following http://askubuntu.com/questions/506956/how-can-i-install-3-16-kernel-on-ubuntu-14-04 instructions to install the kernel. I got these ...
2
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1answer
282 views

Samsung-laptop kernel module

Is samsung-laptop kernel module still blacklisted while using UEFI on a Samsung computer? Is there a way to load it without bricking my laptop?
0
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0answers
41 views

How to “tell” Software updater, I have moved to a new kernel

I am running ubuntu 14.04 (updated from 12.04 which was preinstalled prior to the release of 14.04.02). I am an experienced non-technical desktop gnu/linux user, but relatively new to ubuntu. I ...
1
vote
1answer
837 views

problem with systemd installation

I tried two different methods but could not install systemd 1st method from here, 2nd method from here Confirmation that systemd is not installed: edward@computer:~$ file /lib/systemd/systemd ...
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0answers
30 views

My cpu slows down after a while and does not recover

Sometimes, and I can't reproduce it (but it happens often enough - a few times a week at least) my cpu slows down below its prescribed minimum. This is an example cpufreq-info output from a minute ...
0
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1answer
17 views

Kernel panic when trying to install ubuntu

Summary: When trying to install Ubuntu i get Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) and the other questions adressing the same error doesn't help since all ...
0
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0answers
13 views

Ubuntu on Chromebook - How to add iptables_nat to special kernel?

I am running this modified version of Ubuntu on my Acer C720 Chromebook. Recently I've tried installing Docker, but it seems that this special version of Ubuntu lacks iptables_nat: eir@asgard:~$ sudo ...
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0answers
7 views

Any ideas about the DARPA seL4 microkernel to implement an hack proof Ubuntu System?

I am a noob so I don't have the skills to develop such an complex and open source project for Ubuntu. So I was wondering is it possible and are there any communities on the web were you can join heads ...
2
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1answer
23 views

Highly unstable wifi Realteck Lenovo T450s with rtl8192ee

My WiFi doesn't work on my newest Lenovo T450s. By doesn't work, I mean sometimes it will work, and then for some reason it'll stop. It'll even break the router if I insist too much on reconnecting. ...
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0answers
29 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
33 views

Removing Kernels from grub

My grub has the following versions which I want to remove. Ubuntu, with Linux 4.1.0-rc5-next-20150529 Ubuntu, with Linux 4.1.0-rc5-next-20150529.old Ubuntu, with Linux 4.1.0-rc4-next-20150525 ...
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0answers
653 views

D-Link DWA-171 Driver installation problem

Hello so i downloaded official D-Link DWA-171 drivers http://www.dlink.com/xk/sq/support/product/dwa-171-wireless-ac-dual-band-usb-adapter, But when i try to install them in terminal using ...
2
votes
1answer
34 views

How to clear space on a boot partition [duplicate]

We have inherited an Ubuntu Linux server that continues to run out of space on the /boot partition and now the clean and autoclean commands are no longer working. We suspect that the problem has ...
0
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0answers
23 views

Python app crash after sending command “GPIO.setup( 7, GPIO.OUT)”?

Python app crash after sending command "GPIO.setup( 7, GPIO.OUT)" !!! Action step: pi@rp:~$ python3 Python 3.4.3 (default, Mar 26 2015, 23:09:09) [GCC 4.9.2] on linux Type "help", "copyright", ...
2
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3answers
7k views

dpkg: error processing package linux-image-generic (--configure): dependency problems - leaving unconfigured

dpkg --configure -a Setting up linux-image-3.13.0-35-generic (3.13.0-35.62) ... Running depmod. update-initramfs: deferring update (hook will be called later) The link /initrd.img is a dangling ...
2
votes
1answer
3k views

What does the warning about missing firmware mean and how to fix it?

I did a fresh Ubuntu 13.04 x64 install. Right after that, I downloaded and installed the kernel 3.11.3-031103-generic which is running right now. One thing that concerns me is this message: W: ...
0
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1answer
9 views

How can I install klogd on ubuntu trusty?

I am trying to find how can I install the kernel daemon logger on ubuntu trusty (14.04.2). It looks like it does not run on my machine after ps aux |grep klogd . locate does not find it as well.
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0answers
6 views

Get Systemtap to work on 14.04

I'm trying to get systemtap to work on 14.04. So far I've had very little success: I couldn't find debug symbols for the kernel version for trusty. I ended up installing utopic's kernel (*-38), and ...
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0answers
15 views

No Keyboard, no network after power-out 14.04 LTS Server

After a power-outage, the server rebooted OK, but fails to set up networking and the USB keyboard no longer worked (A bit of a hinderance as I then have no way to access the machine). I tried several ...
0
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0answers
20 views

Boot hangs at drive unlock after Grub

When booting certain kernels, the boot process hangs where it wants me to unlock a fully encrypted hard drive. The input to type the passkey is there, but there is a blinking cursor on top-left corner ...
3
votes
3answers
479 views

“Failed to build vmnet” for kernel 3.19

Because this answer is only for kernel 3.13, so I'd like to share a solution for the problem Failed to build vmnet for kernel 3.19 and earlier versions. Thus this is not my actual problem and is only ...
0
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0answers
28 views

how to change kernel name

How do I change kernel name to any name like Linux 3.13.0-53-generic to any name and version ABC 3.12.0.53 generic So that If i logged out from any site like Face-book it sends me back via email of ...
0
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0answers
13 views

Getting Xbox One Controllers to work without upgrading 14.10's Kernel to 3.17

The title says it all, mainly because if I do a kernel upgrade, my whole system breaks and I really don't want to do that and have to reinstall my whole system again. My Xbox Model S Controller = ...
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2answers
305 views

Kernel Headers for Ubuntu 15.04

Today I upgraded by 14.10 VM to 15.04. Since it's a virtual machine (via VirtualBox), I needed to install guest additions. However, the installation fails saying (in /var/log/vboxadd-install.log): ...
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0answers
34 views

Ubuntu 15.04 suspending long after lid is closed

My MacBook Air has Ubuntu 15.04 installed. Ubuntu 15.04 only suspends after about 10-30seconds after lid is closed. This worked totally fine in ububntu 14.04 and 14.10. I hav attached the code in: ...
0
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1answer
22 views

Can't compile drivers for rt8188eu wifi card

i have tried compiling this and also with the one i got from its manufactures. both are giving same make error.. When i make all.... make[2]: *** ...
0
votes
1answer
38 views

Ubuntu stopped booting

Ubuntu 15.04 has been installed. An update published May 21th was processed, which contains a new kernel. It stopped to boot with a message "Starting version 219." I have a Ubuntu bootable usb. ...
6
votes
3answers
3k views

VMWare Player 7.1.0 on Ubuntu 15.04 (kernel: 3.19.0-10-generic) app loading

I downloaded the latest version of the VMWare player (v 7.1.0) from here. Installed the bundle, and the installation went through fine. Post-installation, when I tried to launch VMWare Player, but ...
1
vote
3answers
460 views

Why am I getting an error related to linux-image-3.13.0-53-generic (3.13.0-53.88)?

Every time I install or remove existing software I get the following error. isuru@isuru-Inspiron-3420:~$ sudo apt-get autoremove Reading package lists... Done Building dependency tree Reading ...
0
votes
1answer
23 views

error while compile driver

when i want compile broadcom wireless driver it give this error : root@hello-notebook:/home/hello/bcm/broadcom# make KBUILD_NOPEDANTIC=1 make -C /lib/modules/`uname -r`/build M=`pwd` make[1]: ...
2
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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 ...
0
votes
1answer
488 views

Dell XPS 13 9333, touchpad not working with kernel 3.16 in Utopic Unicorn

So I upgraded today my distribution, from 14.04 Trusty Thar to 14.10 Utopic Unicorn. I had issues with the touchpad on 14.04 (jumping cursor while typing stuff) and the Synaptics upstream driver ...
5
votes
1answer
184 views

There is a way to patch AMD catalyst 14.12 in order to make it work with kernel 4.0.1?

here I go: my OS is Ubuntu 14.04. I was wondering about upgrading the kernel to the recent and latest stable 4.0.1 version (my current one is 3.16). Since I have already installed AMD Omega drivers ...
0
votes
1answer
31 views

How can I upgrade packages on a broken ubuntu installation from a live usb?

I downgraded from linux-image-3.19.0-18-generic to linux-image-3.19.0-16-generic and then stupidly removed 3.19.0-18 without thinking. When I rebooted I was unable to load unity and my network ...
4
votes
4answers
2k views

After deleting some old kernel

I deleted some essential kernels parts to enlarge the free space on my boot partition. First I proceed as in this link. However the problem is not exactly the same as in the link (see answer from ...
0
votes
0answers
15 views

How can I print my own statement in terminal during kernel 4.0.4 compilation in Ubnutu 12.04

I tried to put some printk lines in start_kernel() function But those lines are not showing in terminal during compilation and install of kernel. I don't know how to do that. Or is there any way to ...
7
votes
1answer
5k views

How does kernel support swap limit?

When i run docker info command on my ubuntu 13.04 with kernel 3.8.0-19-generic i got a warning no swap limit support How can i solve this? docker info Containers: 10 Images: 37 Driver: aufs ...
0
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0answers
20 views

How does 'upgrade packages during installation' affect point release and kernel updates?

I've recently freshly installed Ubuntu Server 14.04, allowing package updates by internet on installation. This was installed from the 14.04 disc image, downloaded before any of the 14.04.1 and ...
-1
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0answers
16 views

Removing one of the 2 installed kernels prevents startup [closed]

On Linux Mint 17.1 KDE I had 2 installed kernels(I saw in the View Kernels in the Update Manager) one was 3.13.0-37 which was marked Loaded, Recommended and Installed(uname -r also showed ...
0
votes
1answer
19 views

Problem of installation of Pfsense 2 on virtualbox [closed]

I want to install on Pfsense 2 virtual box but I when I want to select the iso image file here is the error message Echec de l'ouverture du fichier de disque optique ...
4
votes
4answers
3k 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. ...
1
vote
1answer
36 views

Upgraded a virtual guest system: /dev/disk/uuid… does not exit

I recently upgraded my Ubuntu 14.04 (kubuntu), running as a guest inside VirtualBox 4.3.12 hosted by Windows 7 Enterprise, 64 bit. All ran fine until yesterday - when I tried to start the new ...
1
vote
1answer
36 views

Ubuntu 14.0.4 - Mistake while installing

This is the first time I install Ubuntu. First I downloaded the universal usb drive, then I selected the location of Ubuntu, which was on my external hard drive, and I made a mistake by putting the ...
4
votes
4answers
30k views

How do I install virtualbox-dkms?

Getting the following error when attempting to install the virtualbox kernel modules : ------------------------------ Deleting module version: 4.1.18 completely from the DKMS tree. ...
3
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4answers
458 views

Why Ubuntu 14.04 LTS use linux kernel 3.13?

Ubuntu 14.04 LTS release with linux kernel 3.13 (development version) but not a stable version of linux kernel (3.14 or 3.12). Is thís because of many new features be added in linux kernel 3.13? Can ...
2
votes
1answer
53 views

Use of Predictable Network Interface Names with alternate kernels

Almost constantly, I use kernels from the Ubuntu kernel PPA, or kernels I have compiled myself, using the Ubuntu kernel configuration. The problem is when I am using the stock kernel it seems to ...
0
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0answers
29 views

Kernel questions

I'd like to install kernel 4.0.4 on my 14.04. I want to do it mainly for educational purposes. In fact, I want to learn how to install the binary kernel and how to compile it from sources. I found ...
0
votes
1answer
33 views

ubuntu update kernel

I thought that the usual update in Ubuntu does install new kernel versions. I noticed that $uname -r 3.13.0-24-generic and $dpkg -l | grep linux-image ii linux-image-3.13.0-24-generic ...
2
votes
2answers
112 views

kernel version 3.13 even I have ubuntu 14.04.2

I am using 14.04.2 probably it was upgraded over 14.04.1 but my kernel version seems still 3.13. According to 14.04.2 it seems that 3.16. I did not understand why it was not upgraded ...
0
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0answers
21 views

BFQ I/O Scheduler

As you probably know, the BFQ scheduler drastically improves disk performances in a typical desktop usage scenario. Now, I wanna try it on my 14.04.2, but all the guides I was able to find googling ...