Tagged Questions

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

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0
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0answers
53 views

Kernel panic at startup

Recently i have installed a second hdd with windows 7 on it. After that, i installed grub on my main disk (ubuntu) from a live-usb. However, soon after, when i have tried to load ubuntu (from grub ...
0
votes
1answer
130 views

Chroot with specific kernel

I need to build some old drivers with specific kernel version. The Kernel 2.6.31-20-generic is needed. I have tried to built it on Ubuntu 12.04 and the new one, 14.04 with no success. The only one ...
2
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0answers
64 views

Black screen after upgrade 12.10 now a very simple question

SO HERE IS MY QUESTION: What can I do to prevent this from happening next time I upgrade Ubuntu to another version? Here is a long involved saga of reinstalling nvidia drivers resulting in a happy ...
0
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1answer
200 views

laptop hangs and dies with following crash log. [closed]

May 11 10:48:50 gyanu-SVT13135CXS kernel: [ 87.533282] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 May 11 10:48:50 gyanu-SVT13135CXS kernel: [ 87.533284] usb 3-1: Product: ...
1
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2answers
386 views

Are Linux Headers installed by default? How to check if they're installed?

Are Linux Headers installed by default? How to check - via command line - if they're installed? (in Ubuntu and Lubuntu 14.xx)
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0answers
82 views

Kernel panic error while installing Minimal CD

I recently created a bootable USB of Ubuntu 14.04 Minimal CD using the disk destroyer. When I boot, I have the options - Install, Advanced Install, Command Line Install & Help. Clicking on any of ...
3
votes
3answers
2k views

Kernel panic after attempting to upgrade to Ubuntu 14.04

I have the following problem: I was trying to upgrade from Ubuntu 13.10 to Ubuntu 14.04 and in the middle (after the necessary packages were downloaded and beginning to be installed), I ran out of ...
0
votes
1answer
25 views

Trying to patch k10 optimized zen kernel, getting invalid option

Hi this is my first try on askubuntu, i hope you can understand what i say here's the thing, I'm trying to patch a kernel, but patch says i put an invalid option in, which i have no idea where it is ...
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0answers
65 views

Find users of swap when smem reports zero swap usage

I want to know, who and why uses my swap, but can't see swap users by smem. After setting sysctl vm.swappiness to 10, and starting chromium (10 tabs), my swap usage jumps from 0 to 30-35 MB ...
2
votes
2answers
1k views

Installed 14.04 on a non-PAE (Pentium-M), but now I can't update (“This kernel does not support a non-PAE CPU.”)

Here is what I'm looking at. This isn't my computer. I repair PC's and I had an end user with this low powered laptop running XP so I decided to let him try out lubuntu. The install went smoothly with ...
2
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0answers
120 views

Is it possible to compile a kernel module under chroot?

Under a chroot environment, is it possible to build a kernel module without having the kernel installed, just the headers? It sounds like something you wouldn't want to do, but in my case I do. I've ...
1
vote
1answer
19 views

How can I get the source code of the sound drivers in ubuntu?

I have dual boot windows and ubuntu. Ubuntu can correctly detect and play my ESS 1969 sound card. So, I was thinking of the source code of ubuntu driver so that I can compile and run it on my windows ...
0
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0answers
19 views

System is running under low graphic mode, unable to log in. [duplicate]

My system is showing a message "system running under low graphic mode". When I try to open the terminal using cntrl+alt+f1 it displays the login prompt. I enter the username and password but it ...
0
votes
2answers
6k views

Update the system from terminal [duplicate]

I want to update my Ubuntu 14.04 system from the terminal and I know that sudo apt-get update && sudo apt-get upgrade are the commands but when I check the update manager kernel updates are ...
3
votes
1answer
403 views

Ubuntu 14.04 system messed up after kernel update [duplicate]

Yesterday i updated my 12.04 to 14.04 which went very well except some smaller issues. Today is installed the nvidia package 337 (through the additional drivers app) and rebooted, everything was just ...
0
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0answers
6 views

Can ubuntu be installed on samsung galaxy s advance i9070 with android 4.1.2 [duplicate]

i have galaxy s advance i9070 phone. I want to use ubuntu on the device. Is there any ubuntu image available for galaxy s advance i9070 and can it be installed with android as dual boot?
2
votes
1answer
3k views

Multiple Problems while installing VMware Player with Kernel Headers

Sorry, pretty long problem First some background: I was running Ubuntu 13.10 x64 in my laptop. I just upgraded to 14.04 few weeks back. The output of the uname -a currently on my system are Linux ...
0
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1answer
136 views

latest ATI drivers

I run Ubuntu 14.04 and I installed the Ati drivers from Software Update -> Additional drivers but on the official Ati website the latest linux beta drivers have a newer version, if that version ...
1
vote
2answers
156 views

Kernel Panic on New Laptop

I just bought a Lenovo Thinkpad X1 Carbon Ultrabook. I ran Ubuntu 14.04 from a flash drive and it worked beautifully. I then installed it and the install seemed to go well, but when I try and boot I ...
0
votes
2answers
80 views

Does upgrade affect Ubuntu or Kernel version?

Does upgrade lead to running the latest Ubuntu version ? Or does it only upgrade the kernel ? Is not upgrading the kernel the same thing as upgrading the operating system itself to a newer version ? ...
1
vote
0answers
442 views

“ERROR: Kernel configuration is invalid”

I have been stuck on this issue for two days now and couldnt find a fix for this. I installed a realtime kernel with sudo apt-get install linux-rt because KauNet (which is an ipfw extension) ...
0
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0answers
3k views

INFO: task ______ blocked for more than 120 seconds. “echo 0 > /proc/sys/kernel/hung_task_timeout_secs” disables this message

I'm running Ubuntu Server 12.04 at home and when I ran sudo reboot, this is the message I got: * Stopping MTA * Asking all remaining processes to terminate... * All processes ended within 1 ...
0
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2answers
24 views

How can I add a package to the default installation of Ubuntu?

I want to add the xclip package as default package in Ubuntu. When I install Linux then xclip package should also be installed with it. How can I do it?
0
votes
1answer
106 views

Frequent kernel panics always accompined by severe graphical glitching. Is my machine possessed or in need of a new motherboard?

Ubuntu 14.04 I'm having incredibly frequent kernel panics that have been getting worse for the last week, after I installed and then removed Gnome and GDE. At this point, it is almost impossible to ...
0
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0answers
55 views

Unstable Brix Box Control Servers. Advice?

We are running Brix Box control servers that connect to a mesh via a Telegesis dongle and live as minions on a SaltStack that have proven unsteady. I have one on my desk that looks to be having a ...
2
votes
1answer
795 views

Where to get nftables?

As far as I understand the kernel facility nftables exists in the kernel that comes with Ubuntu 14.04. As is proven by the following two commands: # grep -E '(NF_TABLES|NFT_)' /boot/config-$(uname ...
3
votes
4answers
778 views

Different fan behaviour in my laptop after upgrade, what to do now?

After upgrading from lubuntu 13.10 to 14.04 the fan of my laptop seems to run much more often than in 13.10. When it runs, it doesn't run continously but starts and stops every second. fwts fan ...
1
vote
0answers
81 views

Blacklisted module is still loaded?

I have a problem with the module ivtv_alsa being loaded despite me having blacklisted it. No other module depends on it: # lsmod | grep ivtv Module Size Used by ivtv_alsa ...
1
vote
1answer
57 views

Ubuntu has two kernels in /boot

my server running Ubuntu 12.04.4 LTS has two kernel images in /boot at the moment 3.11.0-19 and 3.2.0-60 And every time i do a dist-upgrade the both get updated. Is this necessary or how can i remove ...
1
vote
0answers
37 views

All motherboard ports non-functional after upgrade from 13.10 to 14.04

I'm using Ubuntu Server - I've been running 13.04 for about a year. Since it's no longer supported, I did a release upgrade to 13.10. That went smoothly. I then did another upgrade from 13.10 to ...
1
vote
1answer
244 views

Could not find a kernel image on LiveCD 14.04 LTS

I downloaded the ISO of Ubuntu 14.04 LTS 4 times from 4 different official mirrors and when I use them they all gave me this message, I can not even get to the menu to check the disk. Could not find ...
0
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0answers
13 views

Detecting the wireless of an HP z200

I need to get wireless on a laptop to work. HP z200, old stuff. It has something called 801.1i if I remember correctly. I have searched for a solution for a while now. Found this ...
0
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1answer
42 views

Cannot go to black screen (Manual login, Ctrl+Alt+F2) and cannot stop light dm

I have Ubuntu 12.04 installed on my Connoiseur work station with Intel Xeon processor. It has Tesla C1060 graphics card. Recently, the system encountered a kernel error and a pop up window appeared ...
3
votes
2answers
3k views

How does the linux kernel choose which firmware version to load?

I installed the latest firmware for my network card N-7260 from http://wireless.kernel.org/en/users/Drivers/iwlwifi#Firmware. I am using Ubuntu 14.04 with kernel version 3.14.01 from the kernel's team ...
0
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0answers
66 views

Low latency kernel becomes instable

I have got a old PC I use for recording my band using an USB audio interface into a DAW. It's very important to me that the latency for the input is possibly low. Because of that I tried the low ...
5
votes
1answer
1k views

The system freezes a lot and dmesg gives an error in Nvidia drivers

I faced constant system freezing in Ubuntu under both Unity and Gnome shell. So I came to Arch. In Arch also im facing the same issue. I tried many things in these forums but nothing helped. Please ...
8
votes
4answers
425 views

How to disable internal webcam?

I want to disable the internal webcam of my laptop running Ubuntu 13.10? As suggested here, I already disabled the concerning kernel modules by blacklisting them. But after reboot the modules are ...
1
vote
0answers
559 views

APEI generic hardware error

The following error message is shown while installing ubuntu 13.10 hardware error: Hardware error from APEI generic hardware error source 0 hardware error: APEI generic hardware error status hardware ...
0
votes
0answers
64 views

Memory and the OOM killer problem

I got a laptop with 4GB memory and 14.04, and I see regular OOM KILLER that kills processes and high CPU from swapd but swap is almost not used. But I want to understand this happens and/or how I can ...
0
votes
0answers
59 views

blackgold 3620 get working in ubuntu

I've bought a duel pci-e Freeview Blackgold TV tuner in the past, and have been unable to get it working under Linux. They have released the source code but how do I get this integrated into the ...
0
votes
0answers
19 views

Ubuntu 12.10 won't boot: FIREWALL: IN=wlan0 OUT= MAC=… SRC=… DST=… LEN=68 TOS=0x00 PREC=0x00

My 12.10 won't boot up suddenly. And it just stucks at the following screens: I've tried googling "Ubuntu 12.10 boot stuck at FIREWALL ...", but had no luck (most of the results are not ...
0
votes
0answers
286 views

Trackpad stopped working on my laptop after upgrading to 14.04

I upgraded my laptop to 14.04. First of all, when rebooting I was greeted with a kernel panic related to VFS not syncing. I just booted into an older kernel and that worked fine. But from there, my ...
0
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0answers
9 views

Ubuntu 12.04 unexpectedly switching into text console

Please see the screen shot. I have reinstalled the OS several times. But it's happening again and again. What could be the actual reason for this to happen?
1
vote
0answers
666 views

Linux stops at “Switched to clocksource tsc” after fresh install of 14.04 — Setup or reinstall?

I've been looking forward to installing the latest greatest daily build of Ubuntu 14.04 into my 'new' X301 Lenovo, which seemed promising as the OS preview from live USB worked rather well. ...
1
vote
1answer
486 views

Compiling Intel-phc says I don't have headers

Trying to follow an online tutorial "Intel-phc with latest kernel on Ubuntu". My ubuntu kernel version is 3.2.0-38-generic (Ubuntu 14.04). Following the instructions I downloaded kernel 3.14.2 from ...
1
vote
1answer
906 views

14.04 Dpkg Found kernel: /memtest86+.bin issue

Hopefully I'm not violating any rules by opening new topic for the issue I've encountered. Trust me, I've tried browsing all over askubuntu and bunch of other sites, but none of offered solutions have ...
0
votes
0answers
582 views

Can I install an older kernel version on Ubuntu 14.04

I installed Ubuntu 14.04 on my laptop at home, but the kernel hangs at a clocksource switching bug. Would it be possible to solve this by installing an older alternative kernel together with the ...
0
votes
0answers
23 views

Kernel panic try to install ubuntu 12.04

Trying to put Ubuntu 12.04 on my HP Pavili0n with window xp. It has 1 gig of ram intel pentium 4. I get kernel error. the only way i get to boot for cd is to tap F10. get to the install screen. it ...
0
votes
1answer
131 views

Kexec does'n work

I've got some problem with kexec -e command: I use kexec -l to load a kernel, or pxe-kexec. Then I type kexec -eand the result is a complete freeze of the system (no keyword works but ctrl+alt+canc ...
0
votes
0answers
81 views

System call stealing sample not working in 12.04

I am trying to run the example code of The LKMPG :http://www.makelinux.net/books/lkmpg/x978 I have made a few changes as the original code wasn't working due to "sys_call_table undefined" issues.I ...