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

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4
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0answers
823 views

Is there a guide for using GRSecurity and Precisew/ PAX?

I'd like to know if there is a guide of some kind for (successfully) configuring, compiling and installing GRSecurity w/PAX etc. in Precise? I basically am trying to build my own custom release ...
3
votes
0answers
18 views

Wimax in XUbuntu?

I have a problem, I am using the Intel Centrino Wireless-N + WiMAX 6150 as wifi and wimax card but I can only use wifi. I googled a lot about drivers and stuff but I can not find the way to activate ...
3
votes
0answers
487 views

14.04 - USB microphone speaker device not working anymore

I own a PJP-20UR web conference microphone speaker, I have been using this USB device for ages with Linux, Windows, Mac never ever have had any issues with it. Since I upgraded from Ubuntu ...
3
votes
0answers
715 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' ...
3
votes
0answers
1k views

unable to generate .deb file using make deb-pkg?

I am trying to build my linux source tree. I used following steps : sudo make clean sudo make localmodconfig sudo make menuconfig sudo make deb-pkg But after completion I was not able to see any ...
3
votes
0answers
306 views

Ambient light sensor support

I have a 2010 Sony Vaio laptop running Ubuntu 12.10, with an ambient light sensor installed to adjust screen brightness automatically. However, last time I checked, this was not supported by default ...
3
votes
0answers
581 views

How to repair deleted modules?

During a disk analyzer session to clean up space, I saw that /lib was taking up a ton of space, and I have never before seen this taking up this much space before in Disk Analyzer. The thing is, I ...
3
votes
0answers
649 views

Kernel panic on Lenovo ThinkPad W510 Ubuntu 10.10

When I leave my Lenovo ThinkPad W510 laptop unattended it locks the screen as it is supposed to do. But when I come back I usually find the kernel panic going on on the laptop: the Caps Lock light is ...
2
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0answers
18 views

How to clear space on a boot partition

We have inherited an Ubuntu Linux server that continues to run out of space on the /boot partition and now the clean and autoclean commands are no longer working. We suspect that the problem has ...
2
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0answers
29 views

Virtualization limits for Ubuntu Server 14.04 LTS with KVM

Essentially I'm after something like this, but for Ubuntu Server 14.04 LTS. I'm trying to create some KVM guests with very large 1TB+ RAM (through OpenStack Nova). I can boot the 1TB VM fine, but I ...
2
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0answers
43 views

Remove upstart option from GRUB

For each Kernel I use with my 15.04 install I have three options in GRUB: normal (systemd) upstart recovery How can I remove the upstart option for all my Kernels?
2
votes
0answers
52 views

rtl8192eu driver does not work

since the kernel upgrade to 4.0.1, because I had a version 3.1x, when you update the driver rtl8192eu not work for me, I get the following error make [1]: [_module_ / home / kevin / Desktop / ...
2
votes
0answers
116 views

Slow boot on Ubuntu 15.04 during ACPI

The time seems to be wasted mainly between these two log lines. What could it be waiting for ? Apr 30 01:19:22 terodde kernel: [ 0.907820] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query honored via ...
2
votes
0answers
233 views

Ubuntu 15.04 hang when boot virtualbox Centos 6

I have a freshly ubuntu 15.04 64 bit. A virtual box 4.3.26 r98988. And this image http://repo.scalefactory.com/vagrant/centos-6-x86_64-20.box Now everytime I try to boot the VM, my laptop hang. Here ...
2
votes
0answers
122 views

Undefined reference error while using custom system call in kernel 3.19

I'm trying to import new system call in the kernel 3.19. I've followed the tutorial given here! This is my simple code to implement factorial calculation via system call. #include ...
2
votes
0answers
190 views

Ubuntu snappy not booting

I'm trying to boot Ubuntu snappy on a BBB and after I've corrected the uEnv.txt as posted on ubuntu core webdm alpha for Beaglebone Black not booting it freezes at Starting kernel .... The full upboot ...
2
votes
0answers
310 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 ...
2
votes
0answers
60 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 ...
2
votes
0answers
79 views

kernel panic on boot

I'm having some trouble booting ubuntu 14.04. The most weird thing is that after the kernel panic error shows up, if I restart the laptop, grub appears (not showing up when the panic occurred), and ...
2
votes
0answers
319 views

Encrypted disk kernel warning - initramfs image won't boot

After an upgrade to 14.10 on my netbook, I can only manage to boot with the old kernel remaining from the previous 14.04 installation. For the most recent kernels, I get this warning when they are ...
2
votes
0answers
141 views

Which software ppa to use after applying LTS Enablement Stacks

I have applied the LTS Enablement Stacks on Ubuntu 12.04 LTS I am now running 12.04.5 with kernel 3.13.0.36 (so I guess these are the same Kernel than those currently on 14.04 LTS?). In my list of ...
2
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0answers
68 views

How do I resolve a kernel panic without reinstalling?

I forgot to make a backup and it would take forever to reinstall and get it to a point I could use even if I were to copy over the home folder. I recently got a kernel panic with the message ...
2
votes
0answers
120 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
2
votes
0answers
349 views

Can't switch to Discrete GPU Hybrid Graphics ATI/intel

Just recently I had got my hybrid graphics working with DRI_PRIME=1. I obviously have the open source drivers. Now for some reason that I can't figure out it has stopped working. xrandr ...
2
votes
0answers
872 views

Hangs On or After fsck from util-linux 2.20.1

I have a box running at DigitalOcean with Ubuntu 12.04 It's rare that my system will boot or takes forever - normally it just hangs / chokes. A reboot from a remote shell used to be pretty quick and ...
2
votes
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 ...
2
votes
0answers
684 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. ...
2
votes
0answers
568 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
2
votes
0answers
143 views

USB Keyboard/Mouse, Networking broken by kernel update

I recently (automatically) updated all the kernel-related packages (linux-image, linux-headers etc) to version 3.13.0-27.50. I'm using the generic kernel for AMD64. After reboot I find that my USB ...
2
votes
0answers
94 views

Black screen after upgrade 12.10 now a very simple question

SO HERE IS MY QUESTION: What can I do to prevent this from happening next time I upgrade Ubuntu to another version? Here is a long involved saga of reinstalling nvidia drivers resulting in a happy ...
2
votes
0answers
176 views

Is it possible to compile a kernel module under chroot?

Under a chroot environment, is it possible to build a kernel module without having the kernel installed, just the headers? It sounds like something you wouldn't want to do, but in my case I do. I've ...
2
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0answers
32 views

Boot error for newly compiled kernel in Ubuntu

When I am booting into the newly compiled kernel it is showing error. Following image shows where the booting stopped.
2
votes
0answers
57 views

Not able to boot ubuntu after windows drive format

I formatted one of the partitions of my Windows 8 drive after which my Ubuntu is not booting. I am using a dual boot system with Ubuntu 12.04 release. On booting, grub menu is displayed properly. ...
2
votes
0answers
214 views

Module acpi not found

My OS is 12.04, I'm not able to suspend and wake up my PC at given time, or better if I run sudo rtcwake -m mem -s 120 My PC enter suspend mode and the power-on light turns up after 2 minutes, but ...
2
votes
0answers
498 views

Propietary Nvidia driver kernel initialization error

Brief summary: I installed Nvidia proprietary drivers and at boot I see the splash screen and then it drops to the command line login screen. Details: I am running Kubuntu 13.10 and wanted to install ...
2
votes
0answers
420 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 ...
2
votes
0answers
313 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 ...
2
votes
0answers
113 views

t902: Additional buttons - how to use them?

I have a Fujitsu T902 and have several problems. I guess I'll split them up into different questions. I have installed 13.10 Ubuntu, uname -a tells me: 3.11.0-13-generic #20-Ubuntu SMP Wed Oct 23 ...
2
votes
0answers
567 views

Installing linux-generic-lts-quantal in 12.04.3 via preseed

I'm struggling with getting this working. The problem is, the backported raring kernel breaks OVS. So we need the quantal kernel. I've tried this in my preseed: d-i ...
2
votes
0answers
214 views

Kernel fails to build Broadcomm dkms modules, how to fix it?

My computer is not recognising the wireless network. When I try to activate my drivers I get errors. I tried to solve by: sudo apt-get remove bcmwl-kernel-source sudo apt-get install ...
2
votes
0answers
294 views

Why aren't my changes to /etc/security/limits.conf having effect?

I am trying to provide support for core dumps on my Ubuntu machine (as by default they are disabled). So I have made the following changes to /etc/security/limits.conf: root hard core 1000 After ...
2
votes
0answers
391 views

Ubuntu 13.04 does not boot after update

as a complete newbie to Linux, I just installed a brand new Lenovo ThinkPad X230 with Ubuntu 13.04 from USB stick. Downloaded the installer from ubuntu.com and put it on a stick. No issues. Next day ...
2
votes
0answers
1k views

Linux headers upgrade error

I got this error (quoted below) when upgrading from 12.10 to 13.04. Should I be worried(since I can detect my flaws in my instalation) but I get this at any new linux-header upgrade I do. What does it ...
2
votes
0answers
1k views

gcc does no come up with new upgraded Kernel

After I figuerd out my ubuntu 12.10 amd64 with 3.5.X Kernel does not fill some queuing, and they've fixed that in kernel 3.8.x, I upgraded the kernel of my Ubuntu to v3.10-saucy with installing deb ...
2
votes
0answers
589 views

Ubuntu 12.04 with 2.6.38 kernel

Can I install vanilla kernel 2.6.38 on Ubuntu 12.04?!? I tried installing it and booted 2.6.38 instead of default kernel but it never boots up. All I need to know is can I install 2.6 kernel on ...
2
votes
0answers
323 views

Need help to find/install up to date ATI drivers for kernel 3.5+

GPU: Radeon HD 5450 Distro: Ubuntu 12.10 Attempting to go to the AMD website and filling out the relevant information gives me this, however these drivers are incompatible with kernel 3.7 and when ...
2
votes
0answers
398 views

No filesystem could mount root

I am trying to boot a linux kernel 3.7.0 on virtualbox and it keeps telling me the same message: "No filesystem could mount root tried ext3 ext4 vfat fusebk". I put append root=/dev/sda in my isolinux ...
2
votes
0answers
158 views

LiveCD Boot Failer comm: Swapper/0 cant mount VFS

Kind of a noob but anyway... I'm trying to boot Ubuntu 12.10 livecd. I currently have Windows 7 x64 installed. I start computer to boot Ubuntu livecd and I get kernel panic. Something like: cannot ...
2
votes
0answers
237 views

Ubuntu 12.10 not properply working on Asus u46E after Update

I recently installed the latest Ubuntu update on my laptop and since then, the alignment on the browser is messed up, the mouse is not working, and I can't connect to the internet. Before it was ...
2
votes
0answers
114 views

Which logs will tell me about the Touchpad and Keyboard locking up?

I have an Asus N53SM laptop that I leave running for several weeks at a time. I never put it in hibernate or suspend, I only close the lid when I'm not using it. After a few days or weeks of running, ...