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

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Linux Red hat vs Ubuntu , Which is best OS? [on hold]

No offence but just asking . Which OS is better in terms of UI Security Linux Commands Popularity 3rd party Softwares available for OS Used by large companies
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1answer
22 views

problem in installation of ubuntu in virtualbox :(

i was trying to instal ubuntu 32 bits in virtualbox but i coudn't an error occured he said :"this kernel requires an x86-64 cpu but only detected an i686 cpu unable to boot plz use a kernel ...
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0answers
9 views

System Settings crashes immediately when opened after I installed Ubuntu 14.04

Since I've installed Ubuntu 14.04, System Settings refused to open. If I click on it, the mouse just turns into the loading symbol like it's trying to start up, then it crashes, telling me that Ubuntu ...
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0answers
36 views

Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

The server suddenly became unusable, I tried a reboot and it fails with the same kernel panic. I booted with splash and quiet removed. This is all I have: Begin: Running /scripts/local-premount ... ...
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1answer
42 views

kernel BUG at /build/buildd/linux-3.16.0/drivers/gpu/drm/radeon/radeon_s8.c:321!

I just bought a new Dell laptop with Windows 8 and am attempting to install Ubuntu 14.10. I used Startup Disk Creator with the PC Intel x86 desktop image to create a bootable Ubuntu USB drive with a ...
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0answers
8 views

X-cursor size decreased after Linux kernel upgrade

Compositing doesn't work well in ubuntu-mate 14.04 in kernel 3.13 so I upgraded the kernel to latest 3.19-rc5 where it works awesome. However, my xcursor's size has diminished. I tried changing ...
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0answers
14 views

Binding device to a driver module

I'm trying to understand better the process of binding a device to its driver. I have an USB tool (In System Programmer for Arduino) whose Id (Product and Vendor) are known. The driver, cdc_acm.ko, ...
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2answers
70 views

How to upgrade to the latest Kernel? [duplicate]

I would like to upgrade to the latest 3.17 Linux Kernel because it has support for the Xbox One Controller and I really want to test it out. I am running Ubuntu 14.10 64bit with the latest ...
1
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1answer
40 views

Problem installing upgrade 75 on 12.04

Since a recent minor version kernel upgrade attempt - 74 to 75 - I have been getting this set of errors using apt-get ... harveyp@harveyp:~$ sudo apt-get autoremove [sudo] password for harveyp: ...
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1answer
8 views

What does “acpi_pm” mean?

While researching clock source kernel parameters, I came across the following terms: tsc hpet acpi_pm If someone could tell me what acpi_pm is as the other two I found googling around.
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8 views

Compile kernel with specific config [duplicate]

I am on ubuntu and would like to compile a kernel + Con Kolivas patch for my netbook (with lubuntu) . The problem is my netbook is 32 bit and my ubuntu pc is 64 bit. If I take the .config from the ...
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11 views

I am trying to analyze microphone data using these codes but all I get is that the jack is not turned on [on hold]

#!/usr/bin/env python import pyaudio import struct import numpy as np import math import sys FORMAT = pyaudio.paInt16 CHANNELS = 2 RATE = 44100 BLOCK_DURATION = 0.05 FRAMES_PER_BLOCK = ...
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0answers
20 views

/lib/modules/3.8.13/build folder missing

I am installing a Wi-Fi driver on to my BeagleBone Black with Angstrom running. As I was compiling the driver I got this error root@beaglebone:~/Desktop/WLAN-AIO-OSR/build# make BOARD_TYPE=arm ...
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0answers
12 views

How to build extra kernel package that contains aufs.ko module?

How to build extra kernel package that contains aufs.ko module? Thanks. We used these options which did not generate linux-image-extra package for our flavor. AUTOBUILD=1, full_build=true
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1answer
152 views

Upgrading to 3.18 kernel causes wireless not to work

So I got the 3.18 kernel working on my system (I can boot into Unity now: hooray!). Unfortunately, this seems to have broken my wifi. Wired ethernet is still working, but Network Manager isnt ...
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2answers
150 views

Upgrading from kernel 3.13 to 3.18 causes Unity not to load, wireless not to work (System specs included)

SYSTEM SPECS: Macbook Pro (64 bit), Ubuntu 14.04, kernel version: 3.13, graphics drivers: nvidia-331 Recently I've been experiencing wi-fi problems on a regular basis in 14.04 with kernel ...
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28 views

Installation Error :(

I tried Ubuntu 14.10 (64 & 32 Bit) & Ubuntu 12.10 (64 & 32 Bit) I get this error every time I select & entered "Install Ubuntu" I am installing Ubuntu using a USB [21.317787] Kernel ...
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1answer
35 views

Safely remove old files in /boot [duplicate]

which of these files is safe to delete to free space in /boot? For future needs, how can I know which files are in use and which ones are obsolete? Thanks root@ubu:/boot# ls -l total 153003 ...
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1answer
19 views

Run modprobe on startup

I need to run "sudo modprobe wacom" at startup to prevent an unrecoverable kernel panic (a blackscreen drop to terminal with repeating 1second audio looping and zero responsiveness) from occurring ...
0
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1answer
38 views

fatal error: linux/err.h: No such file or directory [duplicate]

What package should install for this header (err.h) is available? I need this library (linux/err.h) to compile a proprietary driver (kernel module) in Ubuntu 14.04 Server/Desktop 64bits
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0answers
16 views

NON-PAE Laptop Dell Latitude D620 [duplicate]

How to install Ubuntu 14.10 on a laptop without PAE? ( Dell Latitude D620 RAM 1 Gig HD 30 Gig )
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0answers
24 views

Missing initramfs from usb boot drive

Every time I try to boot up an Ubuntu distro on my laptop (11.10, 13.04, 13.10, 14.04, 14.10) I get this kernel panic message on boot: Kernel panic - not syncing: VFS: Unable to mount root fs on ...
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0answers
51 views

Kernel panic while installing CentOS 7 in VirtualBox

I have a laptop with Xubuntu desktop 14.10 , and I installed VirtualBox and updated it to the latest version . I'm trying to install CentOS 7 (source downloaded from the official site) as a VM, ...
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0answers
61 views

12.04 LTS: Kernel Update to 3.13.0-44 broke my-weather-indicator

After doing the kernel update today, my-weather-indicator disappeared from the indicator bar on my 12.04LTS boxes. If I try to start it manually, the icon flashes in the launcher for a couple of ...
2
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1answer
54 views

After updating the kernel I can't log into the desktop. Only see the wallpaper

Im using Ubuntu 14.10. I have been using Nvidia propitiatory drivers downloaded from Nvidia. Everything worked fine. In the morning I got an update to the kernel and I applied it. After restarting, ...
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1answer
60 views

Why does Update-Manager download more than one kernel image

Thanks for the opportunity to ask question. I have used Ubuntu for a long time, but this is my first "ask". I have tried searching for answer for my questions below - but could not find an answer, ...
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0answers
19 views

FlexMAC and Madwifi installation problem for Atheros WLAN Device

I'm trying to install FlexMAC to develop WLAN 802.11 specific protocol. I'm using Ubuntu 12.04. Machine configuration: root@f:/home/f/madwifi-0.9.3.1-FlexMAC-RA# lscpu ...
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0answers
30 views

Bad kernels upgrade, and it is impossible to delete them

I have a huge problem on my Ubuntu 14.04. It runs an 13.3.0-39 kernel. A while ago I wanted to update the kernel via Synaptic to 13.3.0-40 and 13.3.0-43. Unfortunately, the kernel upgrade did not ...
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0answers
18 views

boot to ram, squashfs filesystem and custom kernel

I am trying to boot my Ubuntu based custom linux OS to ram. I compile the kernel from scratch, so it does not have aufs or unionfs. I don't want to patch the kernel. It seems the live-boot-tools ...
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0answers
82 views

Can't connect to PPTP VPN with ufw enabled on Ubuntu 14.04 with kernel 3.18

Suddenly VPN disconnected and can't reconnect no longer on kernel 3.18.1, so I try to install kernel 3.18.2 but my problem still exist. But I can connect to VPN with 3.14 kernel easily. The output of ...
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1answer
20 views

Local version during kernel build broken

I'm trying to build a custom variant of the 3.13.0-43 kernel on Ubuntu 14.04. Following the normal procedure (directions posted at https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel) is not working for ...
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0answers
10 views

Subdivide CPU usage among different tasks in LTS 14.04 [duplicate]

I am fairly new to UBUNTU and maybe this is a naive question. I am working on a PC with multiple CPUs and I was wondering if there is a way to select how many CPUs a process has to use. For example: ...
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0answers
17 views

Kernel Error Message when installing /demo/repair

I got this error when trying to install /demo/repair disc for Ubuntu 14.10
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0answers
63 views

Error calling EVIOCSKEYCODE

Using 14.04, I have the following error displayed when booting up: Error calling EVIOCSKEYCODE It doesn't cause any problems with the system, but I would still like to remove it. Now, I managed ...
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1answer
16 views

Kernel Panic on xubuntu toughbook cf-19

I'm on a toughbook cf 19 xubuntu and I have a kernel panic about 10 times a day. Do you know what can be the problem?
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26 views

Kernel panic occured in Ubuntu Trusty tahr i386

I recently downloaded the i386 version of Ubuntu 14.04 and tried using it from a live CD (I burned). But while loading, I saw the message Kernel panic occured switching back to text console. But ...
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43 views

Alfa AWUS051NH v.2 doesn't work on Ubuntu 14.04

I have a brand new Alfa AWUS051NH v.2 but it shows up and disapears permanently on a Ubuntu 14.04 and somtimes the result is a kernel panic (switching to text mode and stoping the machine). I noticed ...
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0answers
35 views

USB Device Issues - ongoing enumeration

Since I want to run a custom driver I have a custom Kernel running (3.13.11). Recently I tried to build the 3.18 series. Since I failed to find the Ubuntu patches I build a vanilla version. I tried ...
2
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0answers
39 views

New to Ubuntu, Kernel question

I'm new to Ubuntu and I'm using 14.10. I have a Rosewill Wireless card, n600PCE, and it's giving me a driver for Linux Kernel 2.4 or 2.6. As I am new, these will work, right? It's not like trying to ...
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0answers
30 views

Dual Boot Ubuntu from USB on a Mac: “Loop not found” and “Load Kernel First” Error in GRUB

I have the Mac version of Ubuntu loaded onto a USB, booted using ReFINd with an EFI partition. All runs until I select the Ubuntu EFI Boot in reFINd. Once loading begins, I get a "Loop not found", ...
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1answer
75 views

Can I make a Bootable USB with an ISO something other than a LIVE ISO?

Am I constrained to run Ubuntu LIVE ISO's only on a bootable USB? All other distros aside - can I make a Bootable USB with an ISO something other than a LIVE ISO? To test this I expected I could ...
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1answer
29 views

Trouble loading kernel 3.18

I received 3.18 in apt update but it does not show up on recovery list and I cant seem to get the missing parts. How do I get 3.18 to load?
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0answers
29 views

Cannot resolve unmet dependencies [duplicate]

I have attempted all solutions in the previous thread regarding this flipping issue and it continues to drive me crazy... below are the sequence of events that take place.. agiles@agiles-23-1015:~$ ...
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0answers
10 views

Kubuntu cannot start, I'm thrown into busybox

What I did Changed the HD from my previous sony lap to a Lenovo P580, added the Windows drivers required and that worked, I did not check Kubuntu at this time but Grub2 was working. Several months ...
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1answer
28 views

radeon dpm: why my power state 0 has high values which are not aligned with dmesg?

# cat /sys/kernel/debug/dri/64/radeon_pm_info uvd vclk: 0 dclk: 0 power level 0 sclk: 37500 mclk: 150000 vddc: 950 vddci: 875 pcie gen: 3 # cat /sys/class/drm/card0/device/power_dpm_state ...
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1answer
50 views

radeon_pm_info: What are vclk, dclk, sclk, mclk, vddc and vddci?

# cat /sys/kernel/debug/dri/64/radeon_pm_info uvd vclk: 0 dclk: 0 power level 0 sclk: 37500 mclk: 150000 vddc: 950 vddci: 875 pcie gen: 3 I'd like to know what are these vclk, dclk, sclk, ...
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1answer
65 views

what is the best way to upgrade my kernel version?

I have ubuntu 14.04 LTS and a 3.17.4 kernel. i want to know if i should purge my installed kernel and install a new one or apply a patch to it.
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1answer
50 views

Ubuntu 14.04 taking a lot of time to start

I am using Dell Inspiron N5010 core i3 processor and 4gb RAM ! My laptop takes up a lot of time to start up! typing dmesg in terminal gave these results ! [50.214177] audit_printk_skb: 150 callbacks ...
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0answers
17 views

can not build kernel 12.04 omap4

there is no way to build custom kernel for 12.04-omap4 pandaboard. I already tried all examples in internet available. Actually it worked until kernel version linux-ti-omap4-3.2.0-1455. The newly once ...
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1answer
101 views

linux-image-3.13.0-43-generic

I have just installed Ubuntu 12.04 LTS and while updating (upgrading) I received an error message: Error: BrokenCount>0. I was searching and trying everything I found here, but the package ...