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

learn more… | top users | synonyms (4)

0
votes
1answer
176 views

Ubuntu Gnome 14.04: stop upgrading old kernel

I recently upgraded the kernel in Ubuntu 14.04 from 3.13 to 3.16. But the Updater (or apt) keeps insisting on upgrading the 3.13 branch. How to stop this behavior? Is it safe to remove all 3.13 ...
0
votes
2answers
92 views

Dead graphical environment on update linux kernel 3.19.018

I had a problem today, when I install the lastest updates, including the headers for linux kernel, tha graphical environment did'nt work, so I've tried upgrade the system, but the terminal even doesn'...
0
votes
1answer
212 views

System freezing and preventing login

My system (Ubuntu 15.04) keeps having a problem where the machine is still up but I cannot login. At the GUI login, the spinner just spins and at the console I get: Username: dave Password: Welcome ...
0
votes
1answer
1k views

Live USB Kernel Panic error?

I tried to make a 14.04 live USB with Universal USB Installer. I get to the screen where it says Try Ubuntu, Install Ubuntu, etc. but no matter what I select, it eventually ends in this error; end ...
0
votes
1answer
94 views

How to troubleshoot a video freeze

System information: Ubuntu 14.04.2 LTS Gnome 3.12.2 kernel 4.0.0-997-generic #201503310205 SMP Tue Mar 31 02:07:04 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux (this is an updated drm/intel-next kernel ...
0
votes
1answer
188 views

Operating System not found (Grub error)

Certainly after a reboot my pc I am getting following message in a grub welcome screen GNU GRUB version 2.02~beta2-9ubuntu1 Minimal BASH-like line editing is supported.For the first word, TAB lists ...
0
votes
0answers
31 views

PCC ACPI Probe Failed on ubuntu after installing Debian [duplicate]

I just bought a new computer this week.So, I am new to this NVIDIA issues.I installed an Ubuntu 15.04 on my system and used an official driver which was downloaded from the nvidia website.I ...
0
votes
1answer
49 views

how to do a kernel bisection

I posted a bug on luanchpad a few days back (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1452166). I have been told to do a kernel bisection from 3.16 to 3.19. Can someone give me a simple ...
0
votes
1answer
245 views

LVS-NAT doesn't work with passive FTP. Active FTP is fine

On Ubuntu 14, I'm trying to set up a load balancer that uses haproxy for web connections and LVS-NAT for FTP, controlled by ldirectord, with pacemaker for automatic failover to a redundant host. The ...
0
votes
1answer
1k views

How can I resolve BUILD_EXCLUSIVE error in upgrade to 3.19.7 Kernel?

I ran the following commands to upgrade from 3.19.0 to 3.19.7: $ cd /tmp $ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19.7-vivid/linux-headers-3.19.7-031907-generic_3.19.7-031907....
0
votes
2answers
740 views

Black screen after grub menu since 3.16.0-36 kernel update

After updating Ubuntu 14.04.2 LTS (64 bit) from kernel version 3.16.0-34 to 3.16.0-36, when I boot the system I can see the grub menu correctly, but if I choose the 3.16.0-36 kernel a black screen ...
0
votes
1answer
287 views

How come the kernel on up-to-date Ubuntu-14.04.2_LTS servers are not the same? 3.13 or 3.16

I have multiple servers running Ubuntu-14.04.2_LTS, just occurred to me that some are running the 3.13 kernel while others runs 3.16; all are maintained identically, so what would explain this?
0
votes
1answer
1k views

Cannot run Ubuntu install dual boot from USB on X1 Carbon w/Win8.1 - kernel panic, VFS

I installed Ubuntu as dual-boot on X1 Carbon 3rd gen (with Windows 8.1, UEFI etc.; lets call it "Machine A"). I had some issue with Ubuntu there, so I removed like 3 partitions (from Windows tool) - ...
0
votes
2answers
415 views

Wrong headers for Linux version

I have an ODroid U2 running Ubuntu 14.04 LTS and Linux version 3.8.13.30. I am trying to get my USB WiFi dongle working through this tutorial. However, at the sudo dkms install 8192cu/1.10 stage, I ...
0
votes
1answer
78 views

Restore ZFS automount

I've upgraded to 15.04 and I found the package ubuntu-zfs to be broken on systemd. I found the bug description on GitHub but I don't know how the procedure to be done as described: The correct ...
0
votes
1answer
3k views

Starting version 219 after upgrading to 15.04

I upgraded to 15.04 just before the official release, and have since then been met with this message at boot : device descriptor read/64, error -32 and then : Starting version 219 I could ...
0
votes
3answers
2k views

Laptop monitor plus two external monitors via dockstation

I have a Dell XPS13 (9333, Intel HD graphics 4400), running Ubuntu 14.04 and connected to a Dell monitor U2412M via VGA to mini DP. What I would like to do is to connect to another monitor (same make ...
0
votes
1answer
134 views

no kernel loaded

I installed Ubuntu on my laptop, which already had Windows 8.1 installed. Then I uninstalled Ubuntu but when I restart my laptop it boots to GRUB recovery: GNU GRUB version 1.97 beta 4 [Minimal BASH-...
0
votes
1answer
121 views

How can I remove the old kernels [duplicate]

I have upgraded my OS version a few times. What is the best way to remove the old kernels and free space?
0
votes
1answer
137 views

Installed new kernel on Ubuntu 12.04. How do I start it?

I installed linux-image-3.12.24-031224-generic on Ubuntu 12.04 but cannot find a way to start it. uname -r still says 3.2.0-80-generic. $ dpkg -l | grep linux-image ii linux-image-3.12.24-031224-...
0
votes
0answers
42 views

Apply a kernel patch [duplicate]

I wantet to ask how to apply the following two patches. https://lkml.org/lkml/2014/5/9/517 https://lkml.org/lkml/2013/5/30/513 I don't see any download for the patch files so how do I apply these two ...
0
votes
1answer
226 views

Ubuntu 14.04 freezes

I have Ubuntu 14.04. After having updated the system to kernel 3.13.0-49-generic, I re-booted and now everything freezes! I can not log in. (Keyboard and mouse do not work as well) I found this line ...
0
votes
1answer
174 views

How to upgrade the kernel correctly?

Running uname -r in a terminal gives an output saying 3.13.0-37-generic, but I am trying to upgrade the kernel to 3.16, and indeed I have ran sudo aptitude safe-upgrade which installed linux-...
0
votes
1answer
103 views

Ubuntu Touch AppArmor Kernel Patches

new to Ubuntu development: I am porting Ubuntu touch to my own device. There are many different commits related to AppArmor on https://developer.ubuntu.com/en/start/ubuntu-for-devices/porting-new-...
0
votes
1answer
81 views

Ubuntu Touch Kernel Config [easy question]

I'm in the process of porting Ubuntu touch. Based on the porting guide, https://developer.ubuntu.com/en/start/ubuntu-for-devices/porting-new-device/#anchor4 I would like to know which kernel is it ...
0
votes
1answer
116 views

grub and libfuse error

After I updated packages: gnupg gpgv libgcrypt11 libtiff5 (on Ubuntu 14.04.2 LTS Linux version 3.13.0-48-generic) and then did an apt-get autoremove which removed: linux-headers-3.13.0-46 linux-...
0
votes
1answer
80 views

Verbose messages at system start

In 14.04 after adding VERBOSE_INIT=YES to linux line in Grub it was possible to enable verbose messages at system boot. In 14.10 this trick doesn't work any more. Removing quiet argument from linux ...
0
votes
1answer
454 views

xubuntu freezes every time [duplicate]

I am asking this as there does not seem a clear way to diagnose the problem. I have searched several sites including this one. After a few minutes Xubuntu freezes and I can't use the mouse or ...
0
votes
1answer
385 views

Changing kernel driver from wl to b43

im running on ubuntu 14.10 and i want to change my wireless kernel driver from wl to b43. is there a step by step procedure to do this? here's my adapter info. i run sudo lspci -k 08:00.0 ...
0
votes
1answer
314 views

getting error when inserting driver module

error as can not be read private key when I install driver Realtek driver module to linux ubuntu 14.04 (3.13-.0-32-generic) how to resolve this problem . can i downgrade my kernel version of current ...
0
votes
1answer
84 views

Where is the Ubuntu 14.04 kernel source code located? [duplicate]

I want to modify and want to make my own operating system using source code, so obviously firstly I need the kernel. I've decided that I'd use the Ubuntu 14.04 (Trusty Tahr) kernel. Where do I ...
0
votes
1answer
360 views

Can't update kernel version because dpkg has an error everytime

I'm quite new to Ubuntu and want to upgrade my kernel to a newer version, but everytime I try I get the same error: Selecting previously unselected package linux-image-3.8.0-030800-generic. (Reading ...
0
votes
2answers
6k views

Change kernel version from command line [duplicate]

Is there a way to reboot with a different kernel version from the command line? I have Ubuntu PXE booted on a VM, and there is no graphical interface, but I need to downgrade the kernel (which is ...
0
votes
1answer
167 views

9.517513---[end kernel panic - not syncing :vfs:unable to mount root fs on unkown block(0,0) [duplicate]

I am a windows 8 user I just tried installing Ubuntu 14.04 and downloaded ISO and burn it in on CD, but when I tried installing I got an error on: 9.517513---[end kernel panic - not syncing :vfs:...
0
votes
1answer
88 views

Ubuntu 14.04 is totally broken, how can I reinstall from a new disk?

I tried updating my kernel (intel pentium processor, Msi r7 260x graphics, Ubuntu 14.04) and now my computer will boot and display a black screen and a pop up saying the stored configuration for ...
0
votes
1answer
41 views

Tried Ubdating Kernel; Now, Desktop won't load on startup

I get a blank black screen and a message that says "could not apply the stored configuration for monitors required virtual size does not fit available size" and says it can't use 3840xy and it's ...
0
votes
1answer
84 views

Cannot disable kernel updates on 12.04

I have Ubuntu 12.04 LTS. Update manager will try to update the kernel version, unfortunately this causes issues with certain applications/drivers I use. Each time I have to manually deselect the ...
0
votes
1answer
304 views

Why am I still running kernel `3.16.0-28-generic` on 14.10 although I have -29- and -33- installed?

I just received another kernel update (3.16.0-33-generic) I installed with apt-get dist-upgrade. I rebooted and checked with uname -r which gave me the output 3.16.0-28-generic. I know from update-...
0
votes
2answers
1k views

suddenly read only file system (ext4)

I've installed Ubuntu 14.04, and I'm getting read only file system(/dev/sda3) randomly. Previously I was using Arch linux(3.14 lts), which had the same problem but discarded due to other problems. I ...
0
votes
1answer
266 views

Meaning of kernel WARN_ON

tailing /var/log/syslog for apparmor denied messages, I came accross this never ending warning: Mar 10 09:35:43 franck-ThinkPad-T430s kernel: [ 2216.247652] ------------[ cut here ]------------ Mar ...
0
votes
2answers
120 views

When would it be that Ubuntu 15.XX is released? [duplicate]

I just bought new laptop which is Lenovo ThinkPad E455 posted on the H/W partner. And it is found that 14.10 has kernel 3.16 which is older than currnet release. It is wanted to know if Ubuntu 15.XX ...
0
votes
1answer
96 views

Is it possible to use windows drivers in Ubuntu?

My KWorld UB430-AF dongle stopped working over 1 year ago. An Ubuntu user detected and then reported a kernel issue as the source of the problem (regression of kernel drivers): https://bugs.launchpad....
0
votes
1answer
478 views

VMWare Player 3.1.6 32 bit installed with Ubuntu 14.04

Dear Ubuntu spezialists, I use Ubuntu 14.04 on an old 32 bit netbook. Now I installed VMWare 3.1.6, since this is the last real 32bit VMWare Player (although there seem to be newer versions of the ...
0
votes
1answer
889 views

Why is there no /proc/sys/kernel/softlockup_thresh

and, more importantly, how can I adjust this threshold for Ubuntu 14.04 server installations? I have standard Ubuntu 14.04 server VMs crashing due to CPU softlocks and VMWare recommends adjusting ...
0
votes
1answer
52 views

Need Help to troubleshoot building of custom kernel on Ubuntu 14.04

I need some help about building a custom kernel on Ubuntu 14.04 (Trusty Tahr). It is not my first time to compile kernels, but I faced the problem to build only on Ubuntu 14.04. When I try to build ...
0
votes
0answers
26 views

Why is my kernel not upgraded to the latest version? [duplicate]

My server runs Ubuntu 12.04.5 LTS. I try to keep it up to date as possible by doing sudo apt-get update && sudo apt-get upgrade regularly. So far I was assuming that this would update the ...
0
votes
1answer
103 views

Cannot install Kernel Security updates in 14.10

I cannot install some security updates to Ubuntu 14.10 (Utopic Unicorn) 64bit, which are kernel updates. Those are the updates. I cannot install them. In settings, I have everything ticked. Also,...
0
votes
0answers
32 views

Stuck in upgrade loop [duplicate]

When i want to "upgrade" i get this message sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' ...
0
votes
1answer
710 views

Unable to compile INTEL 82599 driver on Ubuntu 14.04

I am trying to compile the drivers on my machine and I am getting the following errors: ~/ixgbe-3.21.2/src$ make install make -C /lib/modules/3.13.0-46-generic/build SUBDIRS=/home/nandan/ixgbe-3.21.2/...
0
votes
1answer
217 views

System Settings Missing/Bluetooth Settings/Sound Settings/Programs Missing?

Not sure what happened but all my settings are missing, I cant access any to make changes. When check under the dash not of the settings are showing as been instilled. Not only settings but some ...