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

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1answer
317 views

openafs module build problem kernel 3.12.6 under 13.10

Just installed ubuntu 13.10 on macbook pro 10,1. I upgraded the kernel to 3.12.6 in vain hope that the thunderbolt display would work (it didn't) and hot plugging would work (it didn't) (but ...
1
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1answer
115 views

Why does my Ubuntu 13.04 VPS say it has a 2.6.x-series kernel?

I have ordered a VPS with Ubuntu 13.04 on it. The VPS reports that the kernel is a 2.6.x-series kernel. From what I have read, Ubuntu 13.04 has at least the 3.8.x series of kernels. Is there a ...
0
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2answers
227 views

Difference between the host and the guest OS kernel versions

I had installed Ubuntu 12.04 64-bit on my Laptop (host OS) when it was released (around April, 2012) and after applying all the patches (sudo apt-get update;sudo apt-get dist-upgrade), the version of ...
0
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1answer
140 views

Ubuntu 13.10 crashing on MacMini2013

I installed Ubuntu 13.04 x86_64 on my MacMini and it worked great (graphic performance was way better than under OSX). After upgrading to 13.10, I have on average, one crash per day. The syslog ...
0
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1answer
49 views

Boot failed after building a new kernel. (kernel options hide)

I built a new kernel and reboot my notebook with the new kernel. Unfortunately, the boot failed. I want to reboot by using the original kernel, but there is a windows boot manager which hide the ...
2
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0answers
150 views

RAM upgrade causes firefox, compiz crashes, even kernel panic on HP Pavilion [closed]

I use a HP Pavilion dv6500, and I recently upgraded my ram on my laptop from 1G to 4G, but I keep getting random issues. Here are a few: When watching youtube videos / vlc videos after a long period ...
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0answers
35 views

problem with ubuntu 12.04 shutdown

When ever I try to shut down my laptop with Ubuntu 12.04 it starts processing for shutting down but after few statements comes back to login page. What should I do? I'm trying for so long and the last ...
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2answers
4k views

VMPlayer installation error on ubuntu

when I try to install VMWare Player on Ubuntu 12.04 LTS I get the following error: Unable to build kernel module. I saw in other similar questions that a suggested solution is to do the ...
0
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1answer
277 views

Syscall numbers of an Ubuntu distribution

For a given Ubuntu machine how can I figure out the system call number and its corresponding system call function name? Also, would these differ across a 32 bit and a 64 bit machine of the same ...
0
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1answer
36 views

How do I install a kernel driver so that it is not loaded at all times?

I would like to install a kernel driver that is under development and I'm afraid that it could affect the stability of my system. So I would like this driver to only be loaded at certain times (when I ...
0
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1answer
151 views

problems with rt3070

I have worked on this looking at other people's question regarding this with no success. what I want to do is install the drivers for a USB wifi reciever. I downloaded the drivers from Mediatek.com ...
1
vote
1answer
219 views

Why the kernel doesn't update automatically?

I have two servers running 12.04 LTS. #1 has upgraded to kernel 3.2.0-57. #2 is stuck on 3.2.0-34. #2 is getting all other package upgrades. BUT, the kernel is never upgraded. This is what I have ...
2
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1answer
1k views

Unable to boot ubuntu on a surface pro 2 with virtualbox [duplicate]

I'm trying to run Ubuntu through virtualbox. but I get this error: This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your ...
1
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2answers
2k views

Missing asm/types.h file

I have been trying to compile a very old program actual meant for Kernel I previously had an issue Missing Modversions.h which is solved now, but there is another issue. In file included from ...
0
votes
1answer
593 views

can't find wireless for Intel Corporation 7260 on ubuntu 12.04 LTS (3.2.0.57)

I followed the post- No wireless for Intel Corporation 7260 version 63 but when I run the following command- make defconfig-iwlwifi (executes fine) make I get the an error saying "* No rule to ...
0
votes
1answer
275 views

Intermediate fan speed i8k

On i8kfan you have just two options of fan speed. What i want is to know if there's a way to set a intermediate(or more than one) fan speed because the high value(2) is too noisy and the low value(1) ...
1
vote
2answers
4k views

Help finding/installing kernel headers-3.11.0-14-generic

I just switched to Ubuntu 13.10 and I'm trying to install VMplayer in order to run windows based applications. The installation went good but when I try to open VMplayer it displays an error saying ...
0
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2answers
2k views

Ubuntu roll back to previous kernel: linux-image-3.11.0-11

I had too many kernel updates and the only ones that worked for me were "pushed away". Any suggestions on how can I reinstall kernel version "linux-image-3.11.0-11"?
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0answers
47 views

Ubuntu 13.10 - is crashing the display not stable, how to fix it? [duplicate]

Ubuntu 13.10 64-bit latest version is installed in the HP EliteOne 800 all-in-one touch screen PC. Display is breaking over and over. is 13.10 stable yet? Its not working at all. Tried with Dell ...
0
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1answer
2k views

Missing modversions.h

I`m trying to compile a program, which was actually designed for Linux OS based on kernel 2.4. When I run the make command, I get the following error ...
-1
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1answer
185 views

Updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS)

After updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS) $ uname -r 3.8.0-030800-generic $ ifconfig -a eth1 Link encap:Ethernet HWaddr 9c:2a:70:cd:f2:c5 ...
0
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1answer
158 views

linux-headers uname mismatch

The headers I have in my /usr/src are linux-headers-3.2.0-57-generic and linux-headers-3.2.0-57-generic-pae, but uname -r returns 3.0.0-12-generic-pae cat /proc/version agrees with uname. I ...
0
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0answers
49 views

Fail to install “Firmware for Linux kernel drivers” [duplicate]

My computer can not update the Firmware for Linux kernel drivers. Could you please help me with the error below? installArchives() failed: (Reading database ... (Reading database ... 5%% (Reading ...
0
votes
1answer
189 views

LVS support LTS 12.04

Does LTS 12.04 have LVS support built into Kernel ? when I installed keepalived package I got this error: Kernel does not support IPVS ...
2
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2answers
286 views

How to automatically stay updated with the latest mainline kernel?

Ubuntu manages a list of mainline kernels. If I wish to stay updated on a specific major revision (3.12.x), how can I automate this? And how do I stop Software Updater from suggesting 3.11.x kernels ...
1
vote
1answer
203 views

How does Ubuntu periodically scan SCSI devices?

I'm hoping someone here can help me understand how Ubuntu 12.04.3 scans the SCSI bus periodically. I've enabled SCSI logging via this command: scsi_logging_level -E 3 -S 3 -M 2 When I plug in my ...
-1
votes
1answer
494 views

Kernel Panic, unable to mount root [duplicate]

I have recently dual booted to ubuntu 13.10 with windows 8. I have windows 8 before having ubuntu, I had to do a boot-repair so I can choose which to load, it all went fine, no problem. But then ...
0
votes
1answer
787 views

How to insert linuxefi module during boot

I am running Ubuntu 13.10 with kernel 3.11.0-14-generic. Everything was working fine, but then I did a routine software update and the computer would then not boot. Unfortunately, I'm not sure what ...
0
votes
1answer
229 views

How to update to 3.12 kernel on EC2?

Updating kernels on EC2 seems a nightmare. I'm on saucy, currently on kernel 3.11.0-14-generic according to uname -a. There's a fix in 3.12 that I need, how can I get it? I tried the instructions ...
0
votes
2answers
38 views

How can I decide whether I care about a kernel vulnerability related to IPv6?

I've got some Ubuntu 10.04 and 12.04 systems that have an inet6 (IPv6) address. However, our firewall is configured to deny all and some pass rules are added for inet (IPv4) addresses. Do I need to ...
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0answers
33 views

What is the right kernel to have to install Ubuntu in a VM? [duplicate]

I am a new Ubuntu user. I created a VM for Ubuntu and downloaded the Ubuntu 13.10 iso file, started the VM and it started to boot, but an error message appeared saying that I didn't have the right ...
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2answers
1k views

installing 64 bit kernel on 32bit ubuntu

I compiled my own custom kernel in a 64 bit linux mint 16 installation. I've also heard that the 64 bit kernel could also run 32 bit applications too. Would it be possible to install it and use it in ...
5
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4answers
2k views

apt-get does not find suggested package (perf tool)

I am using performance counters (https://perf.wiki.kernel.org/index.php/Main_Page) on Ubuntu 13.10 x86_64. If I type perf I get: perf not found for kernel 3.11.0-031100 You may need to install ...
1
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0answers
31 views

Station can't access hosapd error

Following /var/log/syslog Dec 2 14:09:13 msis NetworkManager[820]: <info> (wlan0): supplicant interface state: disconnected -> scanning Dec 2 14:09:13 msis kernel: [ 2607.278976] wlan0: ...
0
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1answer
47 views

I have seen these in when trying to build a cross compiler what does these mean

../gcc-x.y.z/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers export PREFIX="$HOME/opt/cross" export TARGET=i586-elf export ...
1
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0answers
151 views

Installing GCC Cross-Compiler for i586-elf

I was following a tutorial http://wiki.osdev.org/Main_Page to build an OS. I needed to install a cross compiler for i586-elf (Executable and Linkable Format). How to install it on ubuntu 12.04 ?
2
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0answers
368 views

lshw and lspci cannot find ethernet device

I have an ASUS H87M-PLUS motherboard. This board comes (according to manual) with a Realtek 8111G ethernet device. In the BIOS, the ethernet device is enabled. Yet, linux does not find a single ...
0
votes
1answer
671 views

After upgrading to 13.10 kernel panic - not syncing

Until today I used 12.04. This afternoon I ugraded to 12.10 then 13.04 and finally to 13.10 . Everything seemed normal during the updates. Afterwards on 13.10 I kept getting an error message related ...
0
votes
2answers
2k views

Installing ndiswrapper-dkms on ubuntu 12.04

Every time I try to install ndiswrapper-dkms, I get a crash report saying, Title: "ndiswrapper-dkms 1.57-1ubuntu1: ndiswrapper kernel module failed to build" DKMSBuildLog: "DKMS make.log for ...
0
votes
1answer
695 views

sending message to printk buffer from user space — not working

Actually i want my driver messages to reach my terminal for debugging purpose. So i just try to check by following below link. I refred following link :-- http://elinux.org/Debugging_by_printing I ...
1
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0answers
219 views

i915 kernel bugs after compile kernel sources [closed]

I have sony vaio with old-school hybrid graphics. On Xubuntu 13.10 with kernel 3.11.0-13-generic, I wanted to compile my own kernel from sources. I've used /boot/config-xxx and sources from apt-get ...
0
votes
1answer
175 views

Kernel headers after upgrading kernels from 3.5.7 to 3.9.0

I upgraded my kernel on Ubuntu 12.04 in order to gain access to the include/uapi/ headers. The full kernel version that I upgraded to is 3.9.0-030900-generic, following this tutorial. ...
0
votes
1answer
76 views

How can i know whether the LUKS is using passphrase or key file for authentication purpose?

Lets an example, i have a Linux partition /dev/sda6 and already encryption been enabled with DM-crypt (cryptsetup) tool. As i know dm-crypt can have two way of authentication like with key file or ...
2
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2answers
44 views

Differences between the hardware driver and the kernel driver?

I am pretty new to Linux. I always see two terms hardware driver and kernel driver. So what are the differences between the hardware driver and the kernel driver?
5
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1answer
38 views

Kernel.org kernel config options different from Ubuntu ones

After compiling Ubuntu kernels for a few days (quite a fun experience, I must say), I decided to finally plunge into some vanilla kernel goodness. So far, so good. Downloaded the most recent ...
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2answers
3k views

Safe to install Linux Kernel 3.12?

Linux Kernel 3.12 is released but It's not available on Ubuntu's Software Updater. I can install it by this, but is it safe to install? I mean will it stable as 3.11? My current system is Ubuntu 13.10 ...
1
vote
2answers
5k views

“Kernel requires x86-64 CPU, but only detects i686” in an Intel Intel Core i7-2600k?

I have a VM installed in my windows 7 PC, and I want to install an Ubuntu 13.04 on it, as a new virtual disk. I have this machine: Intel Core i7-2600k CPU @ 3.40Ghz - 8 GB RAM - 64 bit operating ...
2
votes
0answers
228 views

Apple aluminium keyboard hub is supplied to little power

I have an Apple aluminium keyboard with an integrated hub. On Mac OS X, I'm able to connect both my mouse and a USB pen drive while on Linux, the power limit is exceeded when connecting more than one ...
1
vote
2answers
1k views

How do I install the iwlwifi for Intel 3945 802.11g Wireless

I found an instruction on the Linux Laptop Wiki to download the ipw3945 module for Intel 3945 802.11g Wireless in a Dell Precision M65, but that page then defers to a newer, more elegant Sourceforge ...
0
votes
1answer
267 views

Program to repair grub?

I have had windows eight and Ubuntu 13.04 dual booting and working fine(using EasyBCD) I had created partition for Ubuntu of exactly 20GB. Some time later, after never using Ubuntu, I went into ...