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

learn more… | top users | synonyms (4)

6
votes
1answer
35 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
58 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 ...
1
vote
0answers
14 views

is it possible to run ubuntu kernel on fedora root filesystem?

My concern is theoretical possibility of running ubuntu kernel with fedora root filesystem (e.g. 3.2.58 ubuntu kernel on fedora 22). It's long story why I need this.. Also, I have no chance to make ...
1
vote
1answer
87 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 ...
0
votes
1answer
253 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
24 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
6 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
3 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
31 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 ...
1
vote
1answer
287 views

Right way to completely clean up old kernels in terminal

I have been going through various questions about how to clean up old Linux kernels. They all seem to have different answers and they are old, so someone is bound to say the question is too old and ...
0
votes
1answer
26 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 ...
6
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
23 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
13 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
18 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 ...
1
vote
3answers
4k views

Ubuntu 13.10, kernel 3.11 blank screen issue with hybrid graphics

On my HP Envy, which has both an Intel on-chip graphics card and an Nvidia Geforce: *-display UNCLAIMED description: 3D controller product: GK208M [GeForce GT 740M] vendor: NVIDIA ...
0
votes
0answers
25 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
8 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 ...
0
votes
0answers
8 views

Replying to a thread [on hold]

When I am sending my patch to a thread, instead of showing that in the thread I am getting it as a new fresh mail.
1
vote
2answers
27 views

Runnig 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 ...
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
114 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 ...
0
votes
1answer
36 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 ...
0
votes
0answers
3 views

grub2: error: /vmlinuz-3.16-ucs109-amd64.efi.signed has invalid signature [migrated]

I am using a derivative of Debian, called Univention Corporate Server. It's a nice appliance that I use for my home server. Yesterday I upgraded to the newest version and since then my server does not ...
0
votes
0answers
23 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 ...
1
vote
1answer
25 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
149 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
34 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
87 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
160k 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
29 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 ( ...
0
votes
1answer
17 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 ...
4
votes
3answers
787 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
14 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
15 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 && ...
1
vote
1answer
4k views

How can I troubleshoot why Ubuntu keeps crashing on my laptop?

I have a one year old Acer Aspire 4752G netbook running Kubuntu 12.04 LTS with all the latest distribution updates installed. It was previously running great until about a week ago when it suddenly ...
0
votes
0answers
32 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
6 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
34 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
41 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
221 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
45 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
36k 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 ...
3
votes
2answers
4k views

Why do I get disk I/O errors booting the 3.2 kernel on a xen vps server?

I have a xen vps, which I just upgraded to the new LTS 12 Precise Pangolin. However, I see this error on booting: [ 12.848076] end_request: I/O error, dev xvda, sector 12841 [ 12.848093] ...
19
votes
3answers
28k views

Command to rebuild all DKMS modules for all installed kernels?

Occasionally, my system gets into a state where some kernels are missing a module or two, because DKMS somehow forgot to compile those modules for that kernel. Rather than spend time diagnosing the ...
1
vote
0answers
28 views

Ubuntu Mate (raspberry) upgrade kernel Version

I have the latest Ubuntu-MATE image on my raspberry. I configured rpi-update from github but it is not upgrading kernel version although it says that it has upgraded it. However the latest kernel ...
0
votes
0answers
60 views

Cannot upgrade Ubuntu 14.04.02 due to kernel package problem

I am experiencing a problem with 3.13.0.57 kernel. After the upgrade the system was not able to boot anymore. I booted it with the previous kernel image and tried to remove the broken kernel packages, ...
6
votes
1answer
10k views

14.10: VirtualBox “No suitable module for running kernel found”, Cannot Find Kernel Source

After the 14.10 update to VirtualBox, I can no longer run my boxes. Of note, running sudo service virtualbox status returns VirtualBox kernel module is not loaded and running sudo service virtualbox ...
0
votes
0answers
9 views

Cpyrit Installation help

I keep having trouble installing cpyrit error is as follows Precision-M4600:~/Downloads/cpyrit-cuda-0.4.0$ python setup.py build The CUDA compiler and headers required to build kernel were not found. ...