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

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1answer
769 views

Error while upgrading kernel

I am trying to upgrade the kernel: (synaptic:22238): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed Väljer tidigare ej valt paket linux-image-3.13.0-30-lowlatency. (Läser ...
1
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1answer
2k views

Network booting could't find kernel image

I have a problem with PXE booting. I followed this instruction on official website. But I get an error on client machine: Could not find kernel image: vmlinuz-3.13.0-24-generic And now, question. ...
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1answer
61 views

3.13.0-30 kernel issue will not log in / sign in

I did a recent update with the new kernel 3.13.0-30 seemed fine to start with booted to the desktop but after sign in just hung with only mouse inputs seeming to work and nothing else no menu our ...
0
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1answer
713 views

Problem installing WinBUGs with Wine

On 64-bit Ubuntu 14.04 (Linux kernel 3.13.0.30.36) I'm trying to install the WinBUGS Markov Chain Monte Carlo software with Wine 1.6, but after wine WinBUGS14.exe I get the following error message: ...
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0answers
35 views

Compiling a (specific) kernel module

I'm looking to compile a .c file which is said to be a kernel module. I tried to create a Makefile but still got errors. Specifically I am trying to compile https://github.com/JanmanX/HID-Apple This ...
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1answer
41 views

cannot find command added to Path - sail_align

I'm trying to build sail_align programm by following these instructions. So far everything went OK and I've completed the last fourth step without errors: 4) sudo ./Build install This command will ...
1
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1answer
517 views

missing sbin/hotplug in Ubuntu

Im using Ubuntu and I cannot find /sbin/hotplug. Did anything replace it? How does it handle hotplugging? I read that kernel calls it for notifying user space when an hotplug event happens. I also ...
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0answers
788 views

make [1] leaving directory error

When I run make command for patching CRCN on ns2 under Ubuntu 12.04, I am faced with this error: make[1]: Entering directory `/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/cmu-scen-gen/setdest' ...
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0answers
20 views

Want to know how how secure my system is with current settings

My system is at kernel 3.15.2 Mainline. I have Enabled the firewall with all ports closed. I have very strong passwords set for BIOS, Drive Encryption, and login SSH is Disabled. I have installed ...
0
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1answer
59 views

determine if you have a 64bit processor [duplicate]

I would like to find out on the console if my processor is 64 bit capable. I can find out that I have installed the 32 bit version of Ubuntu with uname -a If it doesn't contain 64 at all, then I ...
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3answers
1k views

Kernal panic on fresh 14.04 install on Barebone Brix Pro i5-4570R

I recently upgraded from the smaller AMD barebone brix to the brix pro. The new PC seems to make Ubuntu 14.04 crash on boot, a bug which I can't see anyone with the same PC having (too early?). I've ...
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2answers
813 views

How to add memory or delete files to \boot volume? [duplicate]

I have only 6 free Mb on "boot volume". How can I find for not-used files to remove? Or is it possible to add memory to this unit?
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0answers
411 views

How to make Huawei 4G module ME909u-521 work on Ubuntu?

I'm having some trouble having an Internet connection on 4G with Ubuntu (latest version, latest kernel). I had no trouble making my Huawei E3276 LTE dongle work. Now I'm trying to connect my ...
0
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1answer
268 views

Black screen on boot with Ubuntu 14.04 LTS and Kernel 3.15

I've installed Kernel 3.15.1-031501 and today 3.15.2-031502 because with 3.13 my HP 6730s has wrong fan control. But with both 3.15.1 and 3.15.2, after grub selection, something like 50% of boots ...
0
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1answer
120 views

Non Sudoer Access to a Kernel Module

Is it possible to access a kernel module if a user is not sudoer? I am trying to access a KVM, which is kernel module, as non-sudoer but I am getting an error: Could not access KVM kernel module: ...
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0answers
40 views

issues after cleaning out old kernels and system update resulting in latest update 3.13.0-30-generic

I just had an issue running system update (not enough space on /boot). So I found a solution on askubuntu suggesting that I free up space by deleting old kernels. So just to play it safe I only ...
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0answers
63 views

How to safely update software with a non-standard kernel?

Background I have an Asus UX302LA laptop running Ubuntu 14.04. As the default kernel mainline (3.13.*) is incompatible with the GeForce graphics card it ships with I switched to to a ...
0
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1answer
117 views

Lost wireless connectivity after installing older kernel

I've successfully reinstalled the 3.13.0-27-generic kernel but now I don't have wireless connectivity. I know I did the last time I booted up with that kernel. HELP!?
0
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1answer
867 views

Which kernel to choose during install

When installing 14.04 from the mini iso, I have to select which kernel to use. I have simply been choosing linux-generic-lts-trusty without giving it much thought. Should I choose one over another ? ...
-1
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1answer
182 views

Error in Installing Ncurses!

I am first time working on LFS 7.5. i stuck due to an error while installing package ncurses. Please help. Thanks in advance!!! Error when I make install /sbin/ldconfig.real: Can't create temporary ...
0
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1answer
139 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 ...
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2answers
300 views

name of the file from /proc that is used to pass information from boot-loader to kernel

I am revising for LPI exam ,and i cannot know this information which is : the name of the file resides in /proc that is used to pass information from boot-loader to kernel ?
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1answer
358 views

I updated my kernel to the latest version but nothing happened. What's wrong?

I was trying to install the latest stable kernel 3.15 following the steps written on this webpage: http://ubuntuhandbook.org/index.php/2014/06/install-upgrade-linux-kernel-3-15/ I followed everything ...
0
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1answer
904 views

I'm trying to create a makefile when I get the following errors

I'm am trying to compile USB drivers. Here is the result of my make file attempt: user@ubuntu1310:~/Downloads/Linux_Driver$ sudo make -o cp210x make -C /lib/modules/3.11.0-12-generic/build M= modules ...
2
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3answers
152 views

Just upgraded to the latest kernel version and the desktop stops responding

I have just completed my system update(it downloaded about 300 MB), after a restart the desktop stopped responding, there is no wallpaper on the desktop, right click does not work(it is happening only ...
0
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2answers
714 views

Virtualbox - this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot [closed]

I'm attempting to install Ubuntu server on a Virtualbox machine. Every time I attempt to install I get the following: this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot ...
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2answers
1k views

Access the gyroscope and accellerator on Yoga 2 Pro

I have a Lenovo Yoga 2 Pro and would like to get the gyroscope running. But how should I start accessing it and including it in my system? (Here I made a dump of lspci -vvv and lsmod on my Lenovo ...
2
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5answers
163 views

How to be sure , that I am running latest version of a kernel?

I've installed Xubuntu after Ubuntu, running in dualboot. So Xubuntu controls the grub. Every time I update kernel on ubuntu - will ubuntu load the latest version of a kernel? (I mean the grub is not ...
0
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1answer
32 views

Ubuntu server internal specifications [closed]

i'm doing a homework assignment for my college, and I'm trying to find the parameters used in kernel compilation on RedHat. My teacher asks: "Analyse and describes in terms of models of each version ...
0
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1answer
507 views

kdump fails to log server crash event

I'm running Ubuntu Server 14.04 on a machine that is experiencing random crashes under load. The server doesn't restart independently, but it becomes inaccessible via ssh or direct KVM connection. I ...
0
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1answer
552 views

unblock dell-wifi soft block

rfkill list shows: 0: phy0 Wireless LAN Soft blocked: no Hard blocked: yes 1: dell-wifi: Wireless LAN Soft blocked: yes Hard blocked: yes I already ran rfkill unblock all and yet ...
0
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1answer
213 views

How to check Intel iGPU frequency on Linux?

I own Intel Haswell G3420. At stock its iGPU has 1,15 GHz turbo frequency. In my UEFI I overclocked the iGPU to 1,5 GHz and added voltage. However the framerates in both benchmarks and games are the ...
2
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1answer
139 views

How to disable Lazy Preempt in kernel

I'm relatively new to Linux and working on getting a real-time kernel up and running for robot applications. I'm on Ubuntu 14.04, using kernel 3.14.3 and the 3.14.3-rt5 real-time patch. Also using ...
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0answers
98 views

Can't Install Kernel in Virtualbox [closed]

I tried to compile Kernel and install it so that I can learn how to make Linux Kernel Module. HI can do this on a normal Ubuntu PC. However, I tried to compile and install Kernel inside Virtualbox and ...
1
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1answer
2k views

sudo apt-get upgrade - Failure [duplicate]

This is a first for me. I've been having trouble upgrading Ubuntu 12.04. How do I fix this? sudo apt-get upgrade: Reading package lists... Done Building dependency tree Reading state ...
0
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1answer
115 views

Kernel Panic installing from USB stick and PXE (very old Fujitsu Lifebook B2154)

I'm trying to resuscitate an old fujitsu b2154 with touch screen. It only can boot using floppy disk or pxe. Does not recognize external cdrom/dvd and will never boot using usb stick. I tried too ...
2
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0answers
726 views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
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votes
1answer
170 views

where can i find linux-tools-3.15.0-031500-generic for 14.04?

I just installed 3.15 kernel and i can't locate the corresponding linux-tools-3.15.0-031500-generic package. Where can I find it ?
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0answers
112 views

How to remove old kernels properly? [duplicate]

So I googled how to clean up old kernels. I am very inexperienced with Ubuntu. So I am not sure if I broke something up. Firstly to check the latest kernel, I used : uname -r My output was:- ...
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votes
2answers
319 views

how to install Longene linux unified kernel?

I heard that Longene Linux unified kernel (Sourceforge link) (GibHub link) will help me install windows apps and some people say it performs better than regular Wine. I need to use windows apps on my ...
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votes
1answer
3k views

Does Ubuntu support Intel x86 Emulator Accelerator (HAXM) for android emulator? [closed]

Why Intel x86 Emulator Accelerator (HAXM) for android emulator does not exist for Ubuntu and only exist for Mac OS and Windows?
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1answer
64 views

Does Ubuntu support ibmvfc?

Does 14.04 support ibmvfc modules for loading to a system with virtual fiber channel, previous versions only had ibmvscsi support.
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2answers
921 views

Followup question: How to get fix for trackpad bug from 3.15 kernel?

This is a followup question to Touchpad not recognized on new Ultrabook In that question, asker had trouble with the trackpad not working on Samsung ATIV Book 9 2014 Edition (NP930X5J/NP940X5J) with ...
0
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1answer
277 views

Which Ubuntu (git) linux kernel tree matches my installed kernel?

Answering a recent question, and before that, trying to see if a patch which is fundamental for my machine had been included in a kernel release, I have found the following problem: How can I match ...
0
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1answer
56 views

What is GIT (program that Linus created) [closed]

This question might not be appropriate for this exact forum however I am sure that everyone here knows. I looked at multiple definitions and can't figure out exactly what it is. If anyone could ...
0
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1answer
884 views

How to patch TuxLol on 14.04

I installed League of Legends on Ubuntu 14.04 LTS. It installed and now I can play however the in game store dosent seem to work with the most recent patch. I read How do I install tuxLoL on Ubuntu ...
3
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4answers
2k views

apt-get install was interrupted

I am new to Ubuntu. I got the following lines after an interrupted apt-get install. Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. ...
0
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1answer
418 views

replacing kernel on non-booting ec2 instance

So I had an amazon ec2 instance crash during the update to 14.04LTS. Frustratingly, it appears the kernel might be bad (or at least that's what the log below says to me, I could totally be wrong). I'm ...
1
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1answer
752 views

Possible missing firmware /lib/firmware/radeon/VERDE_mc2.bin

I have this missing firmware after compiling and installing kernel 3.14.6 (mainline) Could someone point me to where I can get it or how to make it get compiled?
0
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1answer
115 views

What exactly is the Linux kernel and does Ubuntu use a modified Linux kernel?

What Linux kernel exactly is? And does Ubuntu, at the core, use a modified Linux kernel? And in what manner is it distinguished by the NT/Windows 8 kernel?