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

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165 views

Error when trying to compile mstSupportKernel

I am trying to follow the solution for the MST issue outlined here: https://01.org/linuxgraphics/node/358 But when I try to compile the following: sudo make-kpkg -j 4 --initrd ...
2
votes
1answer
315 views

Kernel panic after wifi installation [closed]

after installing ralink WiFi adapter (Digitus DN-7042-1 Rev2 = 148f:7601) following this link: ralink 148f:7601 wifi adaptor installation the system's (Kubuntu 14.04) kernel panics and switches to ...
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0answers
49 views

Wireless Repeater causing kernel to crash

So my wireless set up is not ideal as far as my location relative to my AP goes. However I recently remembered I had/dug up an Amped Wireless 300N repeater (range extender). I set it up in my living ...
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0answers
185 views

TCP hash tables in Linux Kernel

I have implemented a solution to migrate sockets between servers running Linux OS. The migration mechanism works very well and the client is capable of continuing receiving his service from the new ...
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1answer
2k views

NFS kernel daemon: no support in current kernel

I installed NFS server on my Ubuntu 12.04 64 bit with apt-get install and when I try to start the server I always see: NFS kernel daemon: no support in current kernel.
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2answers
81 views

Which kernel version fixes the issue of dell touchpads being recognized as a mouse?

On Ubuntu 14.04 a kernel update seems to fix the problem that the touchpad is just recognized as a mouse. Which kernel version fixes this issue? Related thread is here. Dell Trackpad not recognized ...
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0answers
57 views

How to use JSON-XS bug patch

I am installing a software I need for my research (and because of which I am learning Linux). I am doing it with a script done for someone else for RED HAT. Now corrected for Ubuntu, it still fails ...
3
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0answers
528 views

14.04 - USB microphone speaker device not working anymore

I own a PJP-20UR web conference microphone speaker, I have been using this USB device for ages with Linux, Windows, Mac never ever have had any issues with it. Since I upgraded from Ubuntu ...
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1answer
2k views

lm-sensors ubuntu 14.04 core voltages

I am trying to measure the core voltages of my cpu. I installed the lm-sensors, I ran the sensors-detect and I reply YES to all of the question. At the end of the sensors-detect I get: To load ...
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0answers
81 views

virtual install from ISO not getting virtual kernel

I have a KVM host (12.04.5) that I have been installing guests on in variety of ways. I just noticed recently one of my guests was running a generic kernel when I'm fairly certain I specified minimum ...
1
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1answer
96 views

Error compiling Kernel-aodv for ARM

I'm about to implement AODV on ARM board SabreLite and I'm facing some problems. So, I use the latest version of AODV located here (http://sourceforge.net/projects/aodvuu/). I've follow the ...
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1answer
322 views

openafs-client fails to upgrade on newest kernel 3.13.0-32 (ubuntu 12.04)

This morning my Ubuntu told me to do some updates, then in the end I had a msg that I should also do some HW support updates. And so I did. During the upgrade I saw there was some problems with the ...
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1answer
49 views

ubuntu server crash after build.sh run

I have a build server with Ubuntu. And in my source code there is typical build.sh to invoke the make file in order to compile the source code. But suddenly the server crashed and I found the below ...
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3answers
33k views

How can I install 3.16 kernel on Ubuntu 14.04

sudo apt-get update && sudo apt-get dist-upgrade do not show the newest kernel. How can I install 3.16 kernel on 14.04?
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1answer
168 views

Is it safe to upgrade my kernel? [duplicate]

I'm currently running version 14.04. Is it safe to upgrade only kernel to the recently released 3.16?
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1answer
72 views

Problem with side panel buttons Thinkpad L412, ubuntu 14.04

I have the following problem: After a kernel update, my side panel buttons on my L412 to incresa/decrease and mute volume (also de mic mute) stopped working. I don't know how to fix this, and the ...
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1answer
284 views

Built kernel won't boot, missing AHCI driver?

I need to apply a kernel patch and so I set about building a kernel. First I fetched the source and build dependencies with # apt-get source linux-image-`uname -r` # apt-get build-dep ...
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1answer
103 views

switching back to text console

I have used ubuntu many times but currently ubuntu crashed every time on my system. I dont understand the exact problem of my computer. I have tried every version of ubuntu & also other distro. ...
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0answers
185 views

Need help about Proxmox and GRUB2 on Debian

I am facing with a big problem. I am freshly installed Debian 7 on server4you dedicated server, and according to this tutorial: Link I am added the repo, installed the kernel like the tutorial said ...
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0answers
58 views

The newest kernel 3.13.0-32 fails during boot - any solutions?

The newest kernel 3.13.0-32 fails to boot and hangs saying... resume: libgcrypt 1.5.3 (i think). eventually it complains about not being able to mount swap But when I revert to kernel 3.13.0-30 ...
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0answers
87 views

How do I resolve a kernel panic without reinstalling?

I forgot to make a backup and it would take forever to reinstall and get it to a point I could use even if I were to copy over the home folder. I recently got a kernel panic with the message ...
0
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0answers
24 views

Repacking A Kernel

I am trying to pack up my server kernel I made with the packages downloaded and web page files all included. Basically this will allow me to put the same distro I have made on my dev board onto other ...
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1answer
2k views

Synaptic touchpad on laptop not working after update

I have found this solution from a thread a while ago but its temporary fix only: This seems to be a bug in 12.04.2. As stated in comments, a simple fix would be unloading the mouse driver ...
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0answers
54 views

What is cost of kernel-mode switch on Ubuntu?

What is the cost in CPU cycles of a kernel-mode switch, so from user mode, to kernel mode and back to user mode, on Ubuntu?
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1answer
60 views

My ntfs partition appear so many

My Windows 8 is missing in grub after installing a new linux distro (elemetary os), I already have Ubuntu. I booted into liveUSB and ran boot-repair and was Grub fixed, but when I boot into Ubuntu ...
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0answers
201 views

kerneloops General Protection Fault

I have had Ubuntu installed on my system for the past few weeks and I keep getting a kerneloops General Protection Fault. I think it is related to my AMD Raedon HD 5650 because I took it out of my ...
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0answers
86 views

kernel crash after applying kde window theme unsuccessfully?

I had been trying a bunch of different themes in KDE just because I kind of like to do that (don't judge me) and when applying a theme that emulates the windows 7 titlebar, kwin and kde started ...
0
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1answer
147 views

Respect BIOS-specified CPU speed without kernel patches, etc. in 14.04

I've got a machine running "in the wild" in a very hot environment running an AMD chip which is overheating. I don't have physical access to the machine, but I have had someone change the CPU clock ...
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0answers
80 views

Grub doesn't boot after kernel upgrade

I upgraded my ubuntu 12.04 LTS via terminal and now grub doesn't find any kernel. I tried to look inside the /boot folder via grub terminal, but on my primary hard disk the folder seems to be empty. ...
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0answers
26 views

Kernel debugging

I am trying to set a kernel debugging between 2 Ubuntu machines, using a com port. It just does not work. I have tried to compile 3.15.6 kernel from kernel.org. Can somebody please help me? I am ...
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0answers
137 views

Cleaning up old HWE stacks?

I've been running 12.04 since release and have updated to every new HWE stack. I am currently on 12.04.4. Does anyone know how to clean out all the old versions of HWE? I currently have way too many ...
0
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0answers
49 views

what kernel should be used with ubuntu 12.04

I have 2 computers with intel i5 cpu's, both of which are running Ubuntu 12.04.4LTS. However, one has kernel version 3.2.0-67 and the other has kernel version 3.13.0-32. Both have all the latest ...
2
votes
1answer
1k views

linux-image-virtual packages empty in 14.04 trusty?

I can't seem to get a linux-virtual kernel (for VMs) installed in trusty. The packages install perfectly fine, but they simply are empty, without anything except changelog and copyright files in ...
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1answer
110 views

Do I need to upgrade my kernel?

my first post here, so be kind, lol, I know you will be. I run a dual boot between Windows 7 Home Premium 64-bit and Ubuntu 12.04 LTS, and the Linux is a whole new learning curve for me. I bought an ...
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0answers
200 views

Custom Ubuntu 14.04 Trusty Tahr Live ISO - For TrafficSqueezer

I want to make custom Ubuntu v14.04 based live ISO with my TrafficSqueezer stuff in it. This allows users to directly use this Live ISO directly as a WAN optimization device without installation. ...
0
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1answer
1k views

add multicast ip address into kernel route table

i want to add an IP (multicast 228.0.0.4) in the range of 224.0.0.0 – 239.255.255.255 in the kernel routes table, so i used sudo route -nv add -net 228.0.0.4 -interface eth0 but it gives me: ...
0
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1answer
540 views

Conky does not show cpu temp

I am trying to use conky to minitor my system but it is not showing CPU temperature, lm-sensors, hddtemp are installed, I answered yes to all questions running sensors-detect and at the end it shows: ...
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1answer
1k views

Installation ncurses to run command menu config

I am trying to upload new kernel apart from default one. but while installing ncurses getting error I tried with following options 1) sudo apt-get install ncurses-dev then got error 404 Not Found ...
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0answers
73 views

System Updated to 3.13 Kernel that won't boot

Recently, I got a message that told me automatic updates to my hardware would end 8/07 and decided to update my system to the latest kernel version 3.13. I'm running Ubuntu 12.04 on some fairly old ...
2
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0answers
126 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
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1answer
940 views

“Your current Hardware Enablement Stack (HWE) is going out of support”

My ubuntu system now says; Your current Hardware Enablement Stack (HWE) is going out of support on 07. aug. 2014. After this date security updates for critical parts (kernel and graphics ...
0
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1answer
1k views

Downgrade Ubuntu 12.04 kernel to 2.6.x

I currently have the most up-to-date kernel (Linux user-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) of Ubuntu 12.04 on my x86_64 computer, but ...
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1answer
910 views

How does LTS combine with HWE out of support

This is a rather general question, but I'd really like to know where I got it wrong. Less than a year ago on one of my laptops, I installed Ubuntu 12.04 precise (Kernel 3.8.x) Now I am told that HWE ...
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0answers
437 views

How to BuildMyOwnKernel, bumping +1 for revision number version?

I'm facing a hard time with Linux 3.13 from Trusty but, it is another topic (http://www.mail-archive.com/ubuntu-server@lists.ubuntu.com/msg06775.html), so, I decided to backport the Linux 3.16 from ...
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2answers
473 views

Config file accidentally deleted

I accidentally deleted the kernel config file found in /boot. So I have 2 questions. Does this affect the system by any means? and I am trying to compile the Linux kernel now and was looking to ...
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0answers
103 views

error while booting xubuntu 14.04

I get a message on the screen every time I load xubuntu 14.04 on my xp mini, which says: " Support for core revisions 0x17 and 0X18 disabled by module paron allhusupport=0. Try013.allhusupport=1. ...
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2answers
30 views

Ubuntu 12.04 Cannot update kernels

Currently I cannot load the kernel 3.8.0-39-generic, or 3.8.0-38-generic. I have to go back and use 37, is there anywhere I can remove the two newer ones and re install them?
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1answer
885 views

ubuntu 12.04 kernel 3.13.0.30

I have a Dell Inspiron 15 with ATI graphics card. Everything was working without any problems until kernel 3.8. During the regular updates Ubuntu suggested to update to kernel 3.13.0.30. After that ...
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1answer
2k views

Intel AC 7620 No Internet, Still Connected to Network

I bought a new Asus n550jv laptop which has a Intel AC 7620 wireless card inside of it. I installed Arch Linux on it and noticed that I will be connected to my corporate wifi and every once and a ...
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0answers
76 views

Is there any solution to set baud rate, line discipline etc., by only using our kernel module?

I wrote a kernel module for a touch screen monitor and earlier I used inputattach (written in userspace) to open serial port, set baud rate, control flags, line discipline etc. But now I want to ...