Questions tagged [kernel]
Linux is the name of the kernel used in Ubuntu as well as other GNU/Linux operating systems. Use this tag for questions related to upgrading and installing kernels, compiling, patches, and kernel modules.
8,428
questions
4
votes
1
answer
1k
views
Login loop in 15.04 after upgrading to kernel 3.19.0-26-generic
Today I've updated the kernel from 3.19.0.25-generic to 3.19.0.26-generic, and now I get a login loop. After I input the (correct) password, the login screen keeps reappearing over and over.
If in the ...
- 143
0
votes
1
answer
1k
views
dpkg a linux-image package fails with character `~' not allowed
sudo apt-get download linux-image-3.19.0-25-generic
will download the package:
linux-image-3.19.0-25-generic_3.19.0-25.26~14.04.1_amd64.deb
and trying to list (or install) with:
dpkg --listfiles ...
1
vote
1
answer
2k
views
Boot into new linux kernel 4.1.4 Ubuntu 15.04
I installed the a new linux kernel(4.1.4) in Ubuntu on my MacBookPro (Take not I am using rEFInd to dual boot ubuntu and OSX) but Ubuntu doesn't boot into the newer kernel. When selecting os to boot ...
- 185
0
votes
3
answers
155
views
Ubuntu 15.04 VM too laggy
I'm running Ubuntu 15.04 as a Virtual Machine in VirtualBox on a Windows machine. I have 3D acceleration enabled, as well as all the fancy CPU features. In other words, pretty much my whole CPU and ...
- 3,446
6
votes
0
answers
6k
views
module verification failed: signature and/or > required key missing - tainting kernel
I am new to Linux device drivers. After installing the driver in Ubuntu 14.04, I'm seeing this in dmesg or my module:
module verification failed: signature and/or required key missing-tainting kernel ...
- 61
1
vote
1
answer
3k
views
Unable to load Kernel module "uio:
I am using a Ubuntu-14.04 server image. I want to load kernel module name "uio" but I am getting the following error.
sudo modprobe uio
modprobe: FATAL: Module uio not found.
0
votes
1
answer
86
views
Creation and deletion of a file at system level [closed]
What happens at the kernel level when someone creates or deletes a file (including all the housekeeping activities)?
I have done some googling around but I couldn't find a good answer. Please excuse ...
- 131
2
votes
1
answer
575
views
Screen freezing or 2 finger scrolling don't work
I have problem with my Ubuntu kernel and I don't know what to do.
All my upgraded kernel from this moment: 3.18.0, 3.18.3, 3.19.0-23, 3.19.0-25 have randomly moment with it make my pc freezing or ...
- 341
0
votes
1
answer
838
views
/boot continues to be above 90%
I have checked my installed kernels
www-data@May:~$ dpkg -l linux-image-\* | grep ^ii
ii linux-image-3.13.0-57-generic 3.13.0-57.95 amd64 Linux kernel image for ...
- 1,076
1
vote
0
answers
100
views
no suitable module for running kernel found after update
after some update of 12.04 at start up, black screen shows up with things written on it and there's an error. a red star and then "no suitable module for running kernel found". I have only one option ...
5
votes
1
answer
2k
views
VirtualBox kernel issue. 3.19.0-25-generic [closed]
I am attempting to setup virtualbox on a new Ubuntu install and have been running into issues. I have uninstalled and reinstalled multiple times and issues continue. I tried removing autocleaning out ...
- 63
0
votes
1
answer
679
views
How to get the new kernel when upgrading from 14.04.2 to 14.04.3
After upgrading to 14.04.3 from 14.04.2 (started with 14.04.1), my kernel is still at 3.13.0-61-generic — I'm expecting a variant of 3.19.
How can I upgrade to include the default kernel from ...
- 2,640
1
vote
0
answers
162
views
Onboard does not work with touch
Onboard (the Ubuntu default onscreen keyboard) is working fine basically, but it does not work with touch. But this is what I need it for. I just can't press any button. I can press Onboard buttons ...
- 2,874
0
votes
1
answer
205
views
How can I install sebek?
I want to install a sebek client in my Ubuntu which arose so many problem.
First of all, I can't get a sebek client whose version likes 3.2.0b.
It still failed when I got a sebek soruce code because ...
0
votes
1
answer
2k
views
ClamAV shows 3 infected files - what to do?
ClamAV shows me 3 infected files. I ran clamscan -r, which showed 3 infected files. Next I ran clamscan -v, which showed these files:
/initrd.img: Symbolic link
/initrd.img.old: Symbolic link
/...
1
vote
1
answer
1k
views
Skip updating certain updates in apt-get
A couple of months ago I started following tutorials about updating to the latest stable version of the Linux kernel for Ubuntu -which is currently 4.0.9. The updates where flawless and I noticed my ...
- 93
2
votes
2
answers
501
views
Revert to Utopic Stack on 14.04.3
I bounced from perfect 14.04.1, to Freya, to 15.04 and lastly 14.04.3.
I couldn't find 14.04.1 on the Ubuntu website. Once I left Freya, I started having issues, every time X was started, there was a ...
- 851
1
vote
1
answer
4k
views
dkms hangs when installing kernel
I am using Ubuntu GNOME 15.04. I want to use MPTCP, for which I have downloaded and compiled the modified kernel (https://github.com/multipath-tcp/mptcp, branch mptcp_v0.90). I need at least kernel 3....
- 113
0
votes
1
answer
532
views
Is it safe to install kernel 4.1.3 lts (latest version) on Ubuntu 14.04 LTS?
As we already know Kernel version 4.1.3 LTS is announced but Ubuntu 14.04 LTS is still using kernel 3.13.
What could be benefits to install latest kernel version on Ubuntu 14.04 LTS. Also, I don't ...
- 4,040
5
votes
1
answer
4k
views
Kernel drive in use is not Nvidia
I am trying to install NVidia drivers on Linux mg-Ubuntu 3.16.0-45-generic #60~14.04.1-Ubuntu . Here is screen shot from GTK;
And also in here is from Nvidia settings;
However when I tried to use ...
- 195
1
vote
1
answer
259
views
midi controller issue; unable to enumerate usb devices during boot [closed]
I have a lenovo thinkpad with a firewire express adaptor card that I recently setup for recording. I connect my maudio controller either/and via 5 din midi to my audio interface or via usb to my ...
- 21
0
votes
1
answer
820
views
How can I download the source code of kernel 3.5.0-17-generic image shipped with Ubuntu-12.10
Where can I get the exact source code of linux kernel version 3.5.0-17-generic which is shipped with Ubuntu 12.10 ?
- 101
1
vote
2
answers
4k
views
Where to put .config file when recompiling kernel?
I am following the steps here to rebuild a kernel on a VM: https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel
I have a .config file that I want to use to build it. Where should I put this .config ...
- 279
1
vote
1
answer
2k
views
How to properly update the kernel
According to this page, the BCM43340 Broadcom chipset is supported in kernel 4.0+. After booting this kernel on a machine, the network card was still not detected.
On the other hand, it seems that ...
- 1,129
3
votes
1
answer
1k
views
Is there a boot option to modify key repeat behavior?
Is it possible to specify a boot parameter to either modify the delay-until-key-repeat begins? ...or to simply turn off key-repeat entirely, like xset r off would do once I was logged in?
I see there ...
6
votes
2
answers
828
views
Change ethX index
When I run ifconfig in one of my machine I saw these.
The Q is where does the index eth3 and eth4 from? Is there a way to change them to eth0 and eth1?
$ ifconfig
eth3 Link encap:Ethernet ...
- 1,015
5
votes
1
answer
12k
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 ...
- 205
0
votes
1
answer
54
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 ...
1
vote
1
answer
6k
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:~# apt-...
- 123
0
votes
1
answer
158
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 ...
- 111
3
votes
2
answers
4k
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 ...
- 181
3
votes
1
answer
3k
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 ...
- 31
7
votes
2
answers
3k
views
Dell XPS 13 (2015) Black Screen
UPDATING:
I followed every step of this guide but still getting the black screen with the system alive and can't go to tty1-6. So now I'm on Ubuntu 15.04 (kernel: 4.1.3-040103-generic). I found this ...
- 73
13
votes
1
answer
30k
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: ...
- 133
10
votes
3
answers
52k
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 ...
- 1,946
0
votes
1
answer
514
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 ...
- 773
1
vote
0
answers
167
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
0
answers
1k
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 ...
- 111
3
votes
2
answers
2k
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 ...
- 417
2
votes
1
answer
905
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 ...
- 43
0
votes
1
answer
566
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 ...
- 233
21
votes
4
answers
32k
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 ...
- 243
1
vote
1
answer
459
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 ...
- 773
0
votes
1
answer
263
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
...
1
vote
2
answers
141
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 ...
- 11
1
vote
1
answer
389
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 ...
- 11
1
vote
2
answers
447
views
Problems with 14.04 most recent updates and possibly kernel
I am still fairly new to Linux and Ubuntu, so I will apologize ahead of time for my ignorance. I am using working with Ubuntu 14.04 LTS. I have been using Ubuntu for a little over a year now, I am ...
- 219
6
votes
1
answer
3k
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 ...
- 230
0
votes
2
answers
1k
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 ( https://help.ubuntu.com/community/KVM/...
- 116
2
votes
3
answers
2k
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 ...
