Tagged Questions

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

learn more… | top users | synonyms (4)

0
votes
0answers
11 views

Gave up waiting for root device ubuntu 14.10

I have recently installed Ubuntu 14.10 (kernel v3.16.0-23) I am new to Linux environment and learning how to compile-install-boot new kernel image. I downloaded kernel 3.17.2. Compiled and built the ...
0
votes
1answer
35 views

A question about the last security update for Ubuntu

I'm subscribed to the Ubuntu Security Notes, so everytime that I receive an e-mail, a new update is avalable. But in the last update, they wrote something in the end that I coudn't undertand much, so ...
0
votes
1answer
15 views

Can linux-lowlatency be used with UEFI secure boot?

I am using the linux-lowlatency package as my main kernel (as the generic kernel produces horrible lags while playing audio to my bluetooth speakers). I regularly find that my /boot partition is ...
0
votes
1answer
23 views

Install 64-bit kernel in 32-bit Ubuntu

I want to use an application that is only available in 64-bit, but my Ubuntu installation is 32-bit. The application is proprietary, so I can't even recompile it for 32-bit. I've read that I should ...
0
votes
0answers
4 views

Dynamic Right sizing for TCP implementation in linux

Is Dynamic Right Sizing(DRS) implemented in linux kernel(3.4 and above) by default?.In this link(http://public.lanl.gov/radiant/software/drs.html) patches for kernel 2.4.23 and 2.4.8 are available but ...
0
votes
0answers
16 views

grub rescue> unknown command “kernel”

I have Ubuntu 12.04 installed on my laptop, everything worked fine, but today I got this message: error: hd0 out of disk. grub rescue> This happened to me before, and usually I solved it with ...
0
votes
1answer
48 views

I can't upgrade kernel on Ubuntu Server 14.04.1

today I made a mistake and now I don't know how can I fix it. I updated the kernel using dist-upgrade and I installed Linux 3.13.0-39-generic on my server. I had Linux 3.13.0-37-generic. The thing ...
0
votes
0answers
9 views

Disable psmouse add start up using modprobe

My touchpad just doesn't work and acts strange so I have to disable it with sudo modprobe -r psmouse every time I boot into Ubuntu. But how can I make this change permanently and no need to re-enter ...
1
vote
2answers
180 views

My system is crashing

I really would appreciate someone to help guide me through a solution! /boot is 100% full. I tried following other threads and made mistakes maybe and removed all kernels by mistake! Computer is ...
1
vote
1answer
48 views

No user input after upgrading to ubuntu 14.10 with linux kernel 3.16

After upgrading from Ubuntu 14.04 to 14.10, I am no longer able to use my keyboard and mouse to do anything. I can't even get to a tty terminal. All I can do is stare at the login screen, or do a hard ...
0
votes
1answer
52 views

Ubuntu 14.04 LTS: A Tale of Two Kernels? [on hold]

I just upgraded my Ubuntu 12.04 LTS to 14.04 LTS on my eMachines EL1200-01e, and I wanted to ask a couple things about the installation. First, what I am seeing, right now: After removing all nvidia* ...
1
vote
1answer
14 views

How to build a separate kernel in the home directory

I'm a linux newbie. How does one build a separate kernel on the home directory other than the usual /usr/src/linux location. Is it possible to do so? Can someone elaborate the steps?
0
votes
0answers
21 views

Compile lightest kernel for ubuntu 14.04

I want to compile my own kernel for Ubuntu 14.04 64bits and do it the lightest as possible following this criteria: Lightest Kernel only with Visual Interface, no need lan, wlan, sound, etc... With ...
0
votes
0answers
27 views

LVM VG is not activated during system boot

Since upgrade from Ubuntu 14.04 to 14.10, one of my VGs doesn't come online when the system boots up, and unfortunately, this VG has my root FS, thus I'm dropped to the initrd BusyBox prompt. ...
-2
votes
0answers
14 views

How do I reset a counter every 1 second inside a kernel module [on hold]

How do I reset a counter every 1 second inside a kernel module? I'm not getting how to use an interrupt to reset a particular variable array to some initial set of values. Can someone give me sample ...
0
votes
1answer
8 views

Crashkernel is still being added by update-grub after removing linux-crashdump

Once I installed linux-crashdump by following this tutorial: https://wiki.ubuntu.com/Kernel/CrashdumpRecipe But I don't need it anymore, so I removed the linux-crashdump, crash, kdump-tools packages. ...
-1
votes
0answers
27 views

How can I compile and run a program designed for an older kernel version (2.6) in a newer kernel (3.16)? [migrated]

I'm trying to run a driver for a network card, but it only supports kernels up to 2.6.32. I need to be able to use this piece of hardware to connect to the Internet. The device I'm using is "VIA ...
0
votes
0answers
58 views

Ubuntu (Kubuntu) not loading - problem with ati catalyst proprietary drivers

I have problem - upgrade kubuntu 14.04 to 14.10 and after this os not loading. I try with fresh install of ubuntu, after formating but problem is same. I see on driver notes this, may be this is ...
0
votes
0answers
33 views

Linux kernel discrepancy 3.11 and 14.04

I am trying to execute this command: $ sudo apt-get install build-essential linux-headers-$(uname -r) Reading package lists... Done Building dependency tree Reading state information... Done ...
0
votes
0answers
4 views

Read vlan priority and write that priority in text file

I want to read vlan packet in such a way that it should read vlan Id and vlan priority and write it in text file. My text file having pairs like "vlanid vlanproirity". 1. How do i read vlan id and ...
0
votes
1answer
91 views

How can I install Ubuntu 14.10's kernel in Ubuntu 14.04 LTS?

I have been able to download kernel 3.16 from the ubuntu mainline kernel repository . However, I am more interested to know if the kernel shipped by default with Ubuntu 14.10 can be installed in ...
2
votes
1answer
406 views

AMD Catalyst Drivers 14.9 needs kernel-headers on 14.10, altough it is missing a version for Utopic

Within the release of Ubuntu 14.10 Utopic Unicorn I've decided to upgrade for it, in hope of better support to my graphics card from AMD, because in the release notes of both Catalyst and Ubuntu it ...
0
votes
0answers
15 views

How to install usbserial and ftdi_sio modules to 14.04 Trusty Vagrant box?

I started a Vagrant box from https://cloud-images.ubuntu.com/vagrant/trusty/current/trusty-server-cloudimg-i386-vagrant-disk1.box. For some reason, this box does not seem to include usbserial and ...
0
votes
2answers
31 views

ubuntu 12.04 often getting freeze

I am using linux ubuntu 12.04 since last 10 months. Now a days my system getting freeze often. I can not work frequently even for 10 mins. My system config: Ubuntu Release 12.04 (precise) 32-bit ...
0
votes
2answers
32 views

Software updater reverting to previous kernel version

I have Ubuntu 14.04 LTS and I have updated it to the latest stable Ubuntu kernel: Linux version 3.17.1-031701-generic (apw@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201410150735 ...
0
votes
1answer
119 views

Kubuntu 14.10 kernel panic

I downloaded and burned the Kubuntu 14.10 amd64 iso. My laptop was running Kubuntu 14.04 amd64; it is a 4-year-old Dell Studio 17. When booting from the DVD, there is a kernel panic, unable to mount ...
0
votes
1answer
23 views

Problem compiling JOS - undefined reference to `__udivdi3' and `__umoddi3'

I'm taking a class on operating systems this semester and have ran into a problem while setting everything up. I cloned the git repository for the JOS operating system and would like to try to ...
1
vote
1answer
8 views

Load_Cycle_Cont increase quick / green hdd dead

an old bug is still there: I use a normal hdd, and the Load_Cycle_Count increade very quick. Every few secounds go the hdd to the park position and is wake up again. One hdd i lost because this bug. ...
0
votes
1answer
69 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 ...
0
votes
1answer
35 views

How to reduce the size of kernel?

I want to delete some modules from my kernel so that the size of vmlinuz is reduced to 1mb in such a way that the kernel doesn't crash and it still works.
-2
votes
1answer
35 views

When will Linux support the more expensive GAMING USB peripherals? [closed]

Some Gigabyte keyboards still have unresolved compatibility issues from 4+ years ago. It's not just an Ubuntu failure this still on Fedora etc ... maybe a kernel error. Just google it "hid_max_usage ...
2
votes
0answers
14 views

Packet Traversal through Ubuntu kernel [on hold]

I want to know how a packet is transferred in kernel? Like various calls while data is sent from socket and data is received in socket as well. Link to any other thread discussing/ blogs appreciated.
-2
votes
1answer
57 views

kernel 3.13.0-37 crased on ubuntu 14.04. also questions about 2 graphic cards

My question is about the linux kernel. It may be related to some issues regarding the video cards, that's why I mention them. I have Ubuntu 14.04, with linux kernel 3.13.0-37, on a Dell Vostro 3550 ...
0
votes
1answer
12 views

sporadically i get kernel panics Ubuntu 14.04 64 bit on my samsung

I have a samsung 7 chronos laptop with Ubuntu 14.04 64 bit. every so often just out of the blue it'll crash and I get a "kernel panic - not syncing; Fatal exception in interrupt" I have noticed that ...
0
votes
0answers
7 views

What does it mean if kern.log is not being updated?

Ubuntu 14.04, all up-to-date, KDE desktop. I went to mount a USB drive, but noticed that the icon for the drive wasn't there on the desktop. I did a sync (just for safety) and then removed the USB ...
0
votes
0answers
57 views

how to control overheating of acer aspire 4736Z laptop in kernel 3.13.0.37 ubuntu 14.04LTS

I have an Acer Aspire 4736Z laptop having Ubuntu 14.04LTS installed, recently it updated to kernel version 3.13.0.37. Now its always get heated lot, I think its FAN gets off, Even I have checked the ...
1
vote
1answer
32 views

Did the most recent kernel update break /etc/security/limits.conf?

We've been having some trouble with a server that's had automatic updates enabled on it. This past Monday, it seems that a new kernel was installed, and after rebooting our MySQL server started ...
-1
votes
0answers
24 views

Ubuntu on Dell Inspiron laptop kernel panic while booting from USB

Booting Ubuntu from USB gives this error on a Dell Inspiron laptop: Kernel panic not syncing : attempted to kill init! exitcode= CPU0 PID 1 run-init hardware name Dell Inc. Inspiron 3542 call trace ...
0
votes
1answer
10 views

modifying kernel 12.04 pandaboard [closed]

Unsuccesfully trying to modify kernel on ubuntu 12.04 pandaboard. Are there somewhere functional instructions for modifying & building & instaling kernel? I am trying to generate ´spidev´ to ...
0
votes
0answers
46 views

Gave up waiting for root device (and cannot find drive from usb live)

I am seeking help for a typical problem for which I have tried many solutions. The typical problem is the Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - ...
0
votes
2answers
64 views

old kernel removal since lts/hwe

Since the move to 12.04 LTS/HWE, I now seem to have several linux kernel images stored. I don't really care about the detail of what is going on here, but want to know which of the old kernels I can ...
0
votes
0answers
57 views

signature and/or required key >missing - tainting kernel CrystalHD

I am running Ubuntu 14.04 32bit under Gnome on my plastic 2007 Macbook. The old laptop is still going strong, but I wanted to lesson the load on my cpu on video files. To do this I installed a ...
0
votes
0answers
22 views

How do I update a Intel536ep fax/winmodem driver installation for a newer kernel?

So I want to use my legacy PCI cards and USB winmodem on my Ubuntu 14.04, but I only found information for older kernels. What are the steps for this update/fix ? Please be helpful (step-by-step) ...
0
votes
1answer
61 views

How do I get and remove the kernel source code?

So after I read How do I get the kernel source code? apt-get source linux-source-x.y.z but what if I issued a "sudo" of the last command in the /usr/src, how do I remove it (uninstall) ? Do I ...
1
vote
2answers
13 views

Restricting resources of user applications

Sometimes, either because of a memory leak or the computationally-intensive nature of a program, applications can start to slow down and ultimately freeze the whole system by claiming too much RAM or ...
0
votes
0answers
26 views

Checking of Residues of Windows

Years ago I had Windows OS in my System. But I now I am using Ubuntu only. I have 3 partitions in my Hard Disc Device Boot Start End Blocks Id System /dev/sda1 * ...
0
votes
0answers
80 views

Safe to manually remove old 12.04.2 LTS GNU/Linux 3.2.0-70-generic after upgrade to 14.04.1

After do-release-upgrade from Ubuntu 12.04.2 to 14.04.1 and reboot, - server still start up in 12.04.2 LTS. Is it safe to manually remove old 12.04.2 LTS (GNU/Linux 3.2.0-70-generic in /Boot ?. I do ...
0
votes
0answers
22 views

I keep getting Kernel Panic with 14.04, it was fine until recently, any answers?

Roughly two weeks ago I started getting this kernel panic error on boot, I decided to make my machine just run ubuntu rather than have a dual boot of windows and ubuntu, so its on a formatted drive ...
0
votes
0answers
22 views

Lenovo P580 fan works when PC idle (14.04/64bit)

I have just updated Ubuntu from 14.04 (32 bit) to Ubuntu Gnome 14.04 LTS (64 bit). The fan will work extra even when the CPU is running at 45~55%. I have never had a single fan issue in any of the ...
0
votes
0answers
52 views

Make error on Nvidia drivers and kernel 3.17

I can't install nvidia-331-updates-uvm alongside with kernel 3.17 on Ubuntu 14.04. Here is the make.log of nvidia driver. Has someone solved this problem ?!