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

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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
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2answers
106 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 ...
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0answers
4 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: ...
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1answer
15 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
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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
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1answer
15 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
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1answer
20 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 ...
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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 ...
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0answers
17 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
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1answer
25 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
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1answer
24 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 ; ...
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0answers
43 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
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2answers
39 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 ...
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0answers
100 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 ...
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0answers
10 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 ...
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0answers
9 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 ...
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0answers
52 views

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

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
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1answer
61 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 ...
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0answers
6 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
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1answer
101 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 ...
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1answer
446 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 ...
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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
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1answer
121 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 ...
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0answers
27 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 ...
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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
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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
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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
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1answer
53 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 ...
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2answers
57 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.
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0answers
16 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
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1answer
60 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
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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
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1answer
59 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
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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
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1answer
69 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
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1answer
31 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 ...
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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
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2answers
38 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 ...
2
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2answers
606 views

Installed 14.04 on a non-PAE (Pentium-M), but now I can't update (“This kernel does not support a non-PAE CPU.”)

Here is what I'm looking at. This isn't my computer. I repair PC's and I had an end user with this low powered laptop running XP so I decided to let him try out lubuntu. The install went smoothly with ...
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0answers
16 views

beautiful screenblinking with i915

I'm using Ubuntu 14.04 LTS 64bit on a Laptop. The problem is that screen keeps blinking like rainbow. This is what happened on my laptop http://www.youtube.com/watch?v=mOY4RDhi8sY My workaround was ...
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0answers
19 views

How can I remove lirc from 8.10 Kernel [closed]

I wanted to compile my own kernel in order to use ZTE modem but everytime I try to compile the following errors are thrown: In file included from ubuntu/lirc/lirc_atiusb/lirc_atiusb.c:67: ...
0
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0answers
6 views

could not instal nitroid kernel

I try to instal nitdroid on my N900 cellphone and I got this error while installing nitdroid kernel, "creating item file for multiboot /var/lib/dpkg/info/ nitdroid-kernel-2.6.28-07.postinst: line 97: ...
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4answers
53 views

Dual boot 14.04 with Windows 7on second disk (sdb), BIOS loader

I have Windows 7 on a separate disk (sdb) as it came from the factory. To protect it I disconnected it while installing Ubuntu 14.04 on the sda disk. Then I connected the sdb drive and expected to see ...
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1answer
3k views

How can I revert to the previous kernel version w/out dependency issues?

Since ubuntu updated my install to 3.2.0-37-generic, my laptop fan constantly runs. I never had this issue with the previous kernel versions. To fix this problem, I would like to revert back to the ...
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4answers
5k views

How can I upgrade my server's kernel without rebooting?

This is a loaded question because I'm already aware of, and am very interested in ksplice. The problem is that since they were bought by Oracle, they have been forced to pull numerous server ...
0
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1answer
54 views

Ubuntu 14.04 Boot Problem

I am currently using windows 7 and wanted to try out Linux. I found out that Ubuntu is the most easy to learn Linux OS. So I create a Live USB of Ubuntu 14.04 with the help of the following link: How ...
62
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7answers
203k views

How can I install on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”)

After burning Ubuntu 12.04 to a CD, I tried booting and got the message: This kernel requires the following features not present on the CPU: pae Unable to boot - please use a kernel appropriate for ...
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0answers
37 views

synaptics driver not workin with new kernel?

after I upgraded from kernel 3.13.0-29 my synaptics driver seems to stopped working. basic touchpad functions still work (this includes moving cursor and clicking) but no right click nor middle click ...
3
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2answers
3k views

Why do I get disk I/O errors booting the 3.2 kernel on a xen vps server?

I have a xen vps, which I just upgraded to the new LTS 12 Precise Pangolin. However, I see this error on booting: [ 12.848076] end_request: I/O error, dev xvda, sector 12841 [ 12.848093] ...
1
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1answer
983 views

Errors compiling vmnet for VMWare Player, 3.13.0-27-generic

Update: This problem went away after rebooting in 3.13.0-29-generic. I am trying to install and run VMWare Player on Ubuntu 14.04, kernel 3.13.0-27-generic. I downloaded and executed the latest ...