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

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1
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3answers
822 views

cannot install Ubuntu (message about PAE)

I received the error message below on the black terminal screen after waiting for a reboot.. I tried to find "forcepae" in the available options but couldn't. Can Anyone please help? ERROR: PAE is ...
4
votes
1answer
229 views

Why 'make gconfig' does not work while compiling the kernel?

I am trying to compile vanilla Linux kernel 3.12.14 downloaded from kernel.org. When I try make gconfig, it says: * Unable to find the GTK+ installation. Please make sure that * the GTK+ 2.0 ...
0
votes
0answers
7 views

Error While installing Kubuntu 14.04 in Virtual machine

Running Kubuntu 14.04 in Virtual machine Gives me an Error :- Boot : could not found kernel image : vmlinuxz.efi how can solve these ?
28
votes
9answers
116k views

How to update kernel to the latest mainline version without any Distro-upgrade?

Currently I'm running Linux-3.0 and I want to update it to Linux-3.3.1 the latest stable kernel release as mentioned at http://www.kernel.org. Can I update to 3.3.1 in Ubuntu without any risk of ...
0
votes
1answer
61 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 ...
-2
votes
1answer
36 views

How to upgrade latest linux kernel offline.

How to upgrade linux kernel offline in Ubuntu 14.04.
0
votes
3answers
642 views

How to activate Radeon Dynamic Power Management?

I've just installed Ubuntu 14.04, I'm not sure if Radeon Dynamic Power Management is working because the laptop is hotter than my previous Ubuntu 12.04.4 with kernel 3.11 plus adding the kernel ...
-1
votes
1answer
17 views

BCM4352 offical dell driver installation problem

I've downloaded dell ubuntu 12.04 drivers and un-tar the package. Then enter the approprite folder to install as specified in first and one answer this question. First i've installed it with double ...
0
votes
0answers
14 views

how to install Wifi driver package [on hold]

Newbie here. I read everything Google has to offer and I am still lost. I cant believe Linux is sooo ridiculously difficult. All I want to do is install the driver package ...
3
votes
2answers
1k views

Service modules-init-tools not found

While setting up lm-sensors and fanconrtol packages on Ubuntu 13.04, I arrived at a stage were I had to restart the service modules-init-tools to apply changes to the /etc/modules file then alas! I ...
0
votes
0answers
84 views

iscsitarget suddenly broken after upgrade of the 12.04 Hardware Stack

After an upgrade to the latest Hardware Stack using Ubuntu 12.04, my iscsi service is not longer operational. The error from the service is such: FATAL: Module iscsi_trgt not found. I have learned ...
0
votes
1answer
16 views

glibc reinstallation with new kernel

Recently i removed some old kernel with autoremove function. But later found that i am getting error in configuring linux kerel. Also i googled and got that linux-libc-dev depends on old kernel ...
1
vote
1answer
2k views

VMWare virtual machine won't boot after 12.04 upgrade

I was running an 11.10 virtual machine on VMWare Workstation 7.1.5 build-491717. I tried to upgrade the other day to 12.04. After everything was downloaded and installed, the system asked to be ...
1
vote
2answers
126 views

How do I re-run boot loader?

Running sudo apt-get -f install said that The link /vmlinuz.old is a damaged link and: you may need to re-run your boot loader[grub] Here's the full output: user@chrubuntu:~$ sudo apt-get -f ...
0
votes
0answers
6 views

USB device fails to enumerate using xHCI

I'm trying to connect a ARM development board (precisely a Nucleo Board F401RE) through a USB port but, mostly, it fails to enumerate and I get these messages using dmesg [ 4788.675352] hub 3-0:1.0: ...
0
votes
1answer
22 views

using packagemanager to uninstall latest kernel?

The last update (I updated 9/1/14) to the kernel broke my boot. I was able to boot into the previous kernel. I think the version that was stable was 3.13.0.34.40 and the update was 3.13.0.35.42--Is ...
1
vote
1answer
3k views

How can I troubleshoot why Ubuntu keeps crashing on my laptop?

I have a one year old Acer Aspire 4752G netbook running Kubuntu 12.04 LTS with all the latest distribution updates installed. It was previously running great until about a week ago when it suddenly ...
0
votes
1answer
17 views

update-grub ignores GRUB_CMDLINE_LINUX in /etc/default/grub when generating menu.lst

I created /etc/default/grub with the contents GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1". When I run update-grub, I expect these additional arguments to be appended to the kernel lines in ...
0
votes
1answer
25 views

Chromium freezes after resuming from standby (Kubuntu 14.04)

Every time my laptop resumes from standby the Chromium browser becomes frozen. Graphically, it means that it leaves an unresponsive black square on the desktop. Sometimes, but not always it would ...
15
votes
1answer
2k views

Is there ongoing work in the kernel team to improve battery life under linux?

I have read in some forums that the kernel team is working on improving battery life and energy efficiency in Linux. Unfortunately our community really lags behind Windows and Mac in that regard. I ...
0
votes
0answers
19 views

How can I load modules from /etc/modules before mounting local file systems?

I have modified /etc/fstab to mount a file system that requires a custom module. On two out of three systems, all running Ubuntu 14.04, I can simply add the module to /etc/modules and it will mount ...
0
votes
1answer
27 views

Ubuntu 14.04 does not start installation

I'm trying to install Ubuntu 14.04 on a PC with UEFI and windows 8.1 x64. I am using a usb installation, ubuntu starts and show initial purple screen, after I get the following screen And the PC ...
1
vote
1answer
34 views

how to enable hyperZ on radeon hd 5000 series?

I have surfed around the web to enabling hyperZ by adding this parameter R600_DEBUG=hyperz, but where I must put it? Is it at /etc/default/grub ? And what the difference between R600_DEBUG=hyperz ; ...
0
votes
0answers
45 views

Not running on Intel CPU? [on hold]

I have installed ubuntu 32-bit (i386) on a HP Pavilion dv8 with an Intel core i7 720QM @ 1.60 GHz. I've installed 32-bit on a 64-bit CPU as ubuntu amd64 fails to work on it. It refuses to boot. It ...
1
vote
2answers
42 views

Ubuntu Won't Let Me Shutdown

I can use my laptop with out any problem for a while ( sometimes around 12 hours and sometimes just half an hour ), then suddenly one by one, the applications will be closed. I can't shutdown. So I ...
0
votes
0answers
115 views

3.13.0-35 kernel causing screen fliker

I just upgraded kernel to 3.13.0-35. My laptop screen started to flicker. I had to revert to an older kernel for the time being. Laptop model: TOSHIBA SATELLITE P205D-S7429. AMD X2 CPU Radeon ...
1
vote
0answers
12 views

laptop sees two connections when HD TV is plugged, but no image

With Apple Macbook Air 1,1 (Early 2008) and Ubuntu 12.04 with kernel Linux 3.2.0-68-generic-pae, when I connect it to an HD TV via the micro-DVI to DVI (Apple adapter) --> DVI to HDMI (I tried two ...
0
votes
0answers
10 views

using uname -m for i386 archticutre checkup [on hold]

WHAT a nightmare ... there is no consistent way for Ubuntu architecture checkup? I have to say Windows have a little issue with this (but at least I can check for bitness or look for 64bit program ...
-1
votes
0answers
59 views

Ubuntu 14.04LTS does not detect wifi on Dell inspiron 15 [closed]

I am using Ubuntu 14.04 LTS and my laptop model is Dell inspiron 15(3521).Its wifi works perfectly fine on windows but ubuntu does not even detect wifi.It connects to internet via ethernet though. I ...
1
vote
1answer
75 views

After removing the latest kernel, how can I be notified of kernel updates again?

Yesterday, I updated all packages through the software updater. It installed kernel 3.13.0-35. When I rebooted, I would get a completely unresponsive blank screen, so I went back to the Grub menu ...
0
votes
0answers
7 views

How to select WNIC and bluetooth drivers

I'm a completely new and yellow Ubuntu user. I installed it yesterday on a old machine (Acer Aspire 3610). During instalation I had a problem - the process was hanging at "bcmwl-kernel-source". I've ...
0
votes
1answer
135 views

dpkg: error processing package linux-image-generic (--configure): dependency problems - leaving unconfigured

dpkg --configure -a Setting up linux-image-3.13.0-35-generic (3.13.0-35.62) ... Running depmod. update-initramfs: deferring update (hook will be called later) The link /initrd.img is a dangling ...
0
votes
1answer
451 views

Installing TP-Link TL-WDN4800 Adapter with Ath9k

I just bought a wireless adapter and am still trying to install its drivers onto Ubuntu. I have looked up ath9k and seen that it is compatible with kernal module ath9k. I'm new to ubuntu and most of ...
3
votes
6answers
5k views

Live CD kernel panic

I'm an Ubuntu user since Hardy Heron and even in other distros, I've never been through such thing. I can't install Ubuntu 10.10 on my notebook, because I simply can't even start the Live CD... I ...
0
votes
1answer
139 views

How do I fix this error? dkms.conf: Error! No 'BUILT_MODULE_NAME' directive specified for record #0 Error! Bad conf file

I am using Ubuntu 14.04.1 LTS Does anyone know how to fix this Dkms.conf error? dkms.conf: Error! No 'BUILT_MODULE_NAME' directive specified for record #0. Error! Bad conf file. File: does not ...
0
votes
0answers
30 views

kernel panic occured after installing wifi driver

I have exactly this problem. I retype some of it in case link goes offline. I have notebook lenovo E540. I think I'm using 14.04.1 LTS (didn't check) and kernel 3.13.0-35. My wifi stoped working after ...
1
vote
0answers
14 views

linux-image-generic missing - is this a problem?

After removing old and unused kernels from my wife's laptop as per this question: What kernels & packages do I un-install? I thought I'd do the same on my laptop, since I've been running Ubuntu ...
0
votes
1answer
18 views

what does it mean to load a kernal image?

I came across the following statement .. When booting Linux, the boot loader is responsible for loading the kernel image and the initial RAM disk (which contains some critical files and device ...
0
votes
1answer
22 views

What kernels & packages do I un-install?

Okay, my wife's computer is apparently running out of space on /boot and from what I can tell in similar questions, it's related to unused kernels (which makes no sense, considering it's a fresh ...
0
votes
1answer
59 views

Error on installing upstream kernel

I tried to install latest upstream kernel(linux-headers-3.17.0-031700rc2-generic_3.17.0-031700rc2.201408251935_amd64.deb) from here but installation failed with this error: user@user-pc:~$ sudo dpkg ...
2
votes
2answers
59 views

List of Ubuntu Versions with Corresponding Linux Kernel Version

Is there a list of Ubuntu versions with default corresponding Linux kernel versions somewhere? I would specifically like to know the most recent version of Ubuntu that still used Linux Kernel 2.x.
0
votes
0answers
19 views

Pre requirements missing when installing oracle database 11g Ubuntu

I'm trying to install Oracle Database 11g on Ubuntu 14.04. At the middle of executing ./runInstaller I'm getting following messages saying about missing prerequisites. This is a prerequisite ...
0
votes
1answer
61 views

Ubuntu server 14.04 kernel panic at boot

Since when I installed netatalk on Ubuntu server 14.04 I get a kernel panic at boot. I think netatalk is the cause because I can see the word "appletalk" many times in the kernel panic screen. I've ...
0
votes
0answers
83 views

Ubuntu 14.04 freeze - Kernel panic & Fatal Machine Check

I've got HP ProBook 470 G0 and Ubuntu 14.04 64-bit. Originally, it was preinstalled with Linux SUSE Enterprise but I've erased and installed Ubuntu 14.04 (it was Alpha that time). Laptop was randomly ...
1
vote
1answer
70 views

DisplayLink USB 3.0 Not working on Ubuntu 14.04LTS

I noticed this might be yet another DisplayLink outcry - but I thought I give it a go anyway. So the usual story - I have got a DisplayLink adaptor Kensington USB3.0 Video Adapter, and doesn't look ...
0
votes
0answers
14 views

kernel module build fails on 14.04: sys/types.h: No such file or directory

I'm unable to build a kernel module in Ubuntu 14.04. This is the make file I use: $ cat Makefile obj-m += my_module.o all: make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules clean: ...
0
votes
1answer
70 views

Kexec does'n work

I've got some problem with kexec -e command: I use kexec -l to load a kernel, or pxe-kexec. Then I type kexec -eand the result is a complete freeze of the system (no keyword works but ctrl+alt+canc ...
0
votes
1answer
32 views

WiFi interface doesn't come up

All of sudden, my builtin Wifi interface on the laptop (HP Pavilion dv7, running Ubuntu 12.04, kernel 3.2.0-64-generic) won't come up. # ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr ...
26
votes
3answers
42k views

What does the kernel boot parameter “set acpi_osi=Linux” do?

I am facing an issue with brightness control in my laptop which has Intel HD graphics and Ubuntu 10.10 64-bit. So when I searched for a fix I found that a common suggestion is to edit the GRUB file ...
0
votes
2answers
39 views

Change clock resolution to 1000 Hz

I am running Ubuntu 12.04 and I need to change the clock resolution to 1000 Hz (now it's 250 Hz, the default value). I understand that I have to set it and then recompile the kernel, as for example ...