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

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46 views

Ubuntu 14.10 - cannot install updates cos boot is too small

I've just about searched and tried everything now: Ubuntu tweak, sudo apt-get purge linux-image-x.xx.0.xx after checking my current version using uname -r (linux-image-3.13.0.55). I don't want to ...
1
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2answers
151 views

Kernel upgrade breaks NVIDIA. Am I stuck with the same kernel forever?

I switched to Ubuntu ~3 months ago and it is an incredible way to interact with a computer. I ran into a snag last night after a restart. I fixed the issue, but it left me with some questions. ...
2
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3answers
361 views

Cannot apt upgrade due to kernel package problems

an Ubuntu 14.04 LTS user here. Basically I had a problem when running sudo apt-get update sudo apt-get upgrade An error code was returned by dpkg because the Linux kernel package 3.13.0.57 was ...
0
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0answers
18 views

Ubuntu 15,04 installation

I downloaded ubuntu 15.04 desktop for acer emachines e627. Now made a bootable usb drive out of it using Universal USB Installer. Rebooted and selected flash drive as boot priortized option too. I am ...
1
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1answer
31 views

Kernel compilation questions

I am compiling the kernel, purely as a learning exercise. Its good fun and I get a kick out of this type of thing. I have a few questions regarding kernel compilation. Can I always compile the ...
2
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1answer
134 views

VirtualBox error kernel headers

I'm with Ubuntu 15.04 and I'm trying to create an emulator (genymotion), but when run virtualbox, i got the error: Stopping VirtualBox kernel modules ...done. Uninstalling old VirtualBox DKMS ...
1
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0answers
116 views

Apt-get & software updates failure: Unmet dependencies with kernel package, no diskspace?

Using ubuntu 14.04 LTS with GNOME Classic desktop i can't install the latest upgrades. Most important update is ubuntu base linux kernel updates. Error message: Check if you are using third party ...
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0answers
50 views

Why does update-grub run so much?

For no good reason I currently have three versions of the kernel being maintained on my computer (3.13, 3.16 and 3.19). This means when a security fix drips back, I end up with three kernels being ...
0
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0answers
19 views

Kernel debug symbols for ARM64 Trusty

I have qemu running ARM64 Trusty image that I obtained from the ubuntu website. The image name is ubuntu-core-14.04.1-core-arm64.img. I'm trying to install kernel debug symbols onto the image. ...
0
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1answer
39 views

4.0.6 kernel in which ubuntu version?

I think kernel 4.0.6 came with l2tp vpn support which is a must for me. (its so in another distro) Is there any xubuntu version that officially supports it or comes with this kernel? I know that there ...
0
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0answers
36 views

Invalid or corrupted kernel image while booting from virtual machine

When I tried to install Ubuntu 14.04.2 LTS on my laptop using vmware , the screen showed "Invalid or corrupted kernel image" at first and later showed "/casper/vmlinuz.efi: not found" .When I searched ...
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0answers
63 views

/casper/vmlinuz.efi: not found for ubuntu 14.04.2 LTS

/casper/vmlinuz.efi: not found is the error that is shown when i tried to start ubuntu for using vmware by downloading an .iso file for Ubuntu 14.04.2 LTS. What should I do now ? Also , when I ...
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0answers
43 views

Experiencing kernel panics, freezing and network errors. Please help!

I've had my own home server now for approximately 4,5 years and it's been running fairly smooth except for some disk breakdowns etc. Although, at various times I've been having issues where the server ...
0
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0answers
39 views

Deleted kernel in Ubuntu

So I was cleaning boot partition and apperently deleted the current kernel alongside the old ones, since after this opertaion I wasn't able to boot any longer. I found some answers to this problem ...
1
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1answer
47 views

Kernel Not Installing

I followed the exact steps from here and installed MPTCP Kernel on Ubuntu 14.04 on a system. I had to reinstall Ubuntu due to some reasons, the same 14.04 version and now when I follow the steps I ...
0
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0answers
83 views

Upgrading kernel, Warning message

When I upgraded the kernel to the current version 3.19.0-22-generic I got the following message: Jul 7 13:18:49 ubuntu kernel: [ 717.001387] Jul 7 13:18:49 ubuntu kernel: [ 717.001387] ...
2
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0answers
21 views

Why does 3rd digit in Ubuntu kernel version not match 3rd digit in its mainline upstream kernel version number?

From the Ubuntu Kernel FAQ ( https://wiki.ubuntu.com/Kernel/FAQ ) : Given an Ubuntu kernel package version how do we find the release it is from? The kernel package version is of the following ...
0
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0answers
28 views

CPU Governor Not 'Idling' After Kernel Update

Last night, my laptop running Ubuntu 14.04 asked to update the kernel to 3.16.0-43. I noticed this morning that Conky is now reporting that my CPU is running around max all the time now. Before ...
0
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1answer
31 views

gdb - load kernel module for remote debugging

Ubuntu 14.04 LTS: peter@peterubuntu0:$ insmod mymodule peter@peterubuntu0:/sys/module/mymodule/sections$ cat .text .data .bss 0x0000000000000000 0x0000000000000000 0x0000000000000000 So how do I ...
0
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2answers
107 views

Can't Login after kernel 3.16 upgrade

I was running 14.04 and everything worked great till I installed Kernel 3.16 with the command sudo apt-get install linux-image-generic-lts-utopic and rebooted. Now I am unable to login. It boots up ...
0
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0answers
20 views

ping6 works but telnet does not work on Mobile IPv6

I am using mip6d in ubuntu 15.04. I did all steps as mentioned here with kernel 4.0.5. Everything (Mobile Node, Home Agent, Corresponding Node) works perfectly. When mobile node is in foreign ...
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0answers
21 views

Best way to cope with kernel upgrade and vmware-tools recompilation race condition

I am automatically creating vmware images based on Ubuntu 14.04 using packer.io. I would like to run apt-get upgrade each time I create a new vmware base box. Yet, upgrading the kernel frequently ...
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1answer
43 views

Panic Error on Boot - Ubuntu 14.4

I recently did an update on my machine and ever since Ubuntu will not boot properly. I get an error message and I have to go into recovery mode in order to start the boot process. I have tried ...
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0answers
64 views

Techwell tw6805a driver for ubuntu 14.04 LTS running 3.13.0-55-generic kernel

I am using ubuntu server 14.04 LTS and have a 16 channel DVR card installed, unfortunately it is a no-name-brand, however I have identified 8 techwell tw8605a chips on the board. I followed the ...
1
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1answer
67 views

Ubuntu kernel doesn't boot up right

I compiled a Ubuntu 15.04 kernel last night and installed it this morning. It showed up fine in my grub but when I tried to boot it, it booted me to my Ubuntu 14.04 instaed. What is going on? Also, ...
0
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1answer
31 views

Compatible kernel to build for Ubuntu 12.04.LTS

I have Ubuntu 12.04.02 with kernel 3.13. I wanted to upgrade the kernel to 3.18 using the same Ubuntu 12.04.02. Is there a possibility to breaking something. I want to debug a driver by doing so? ...
1
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1answer
94 views

Why kernel version doesn't match Ubuntu version in a Docker container?

I have a Docker container built from Ubuntu 14.10. When I log in to the container to check the Ubuntu version and kernel version I see the following: root@~$>> lsb_release -a No LSB modules are ...
0
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0answers
44 views

Kernel Panic after trying to upgrade from 14.04 to 14.10

I have a Dell XPS 13 9343 which came with ubuntu 14.04. I got a notification of an update to .10 and went for it. Once it finished it said it completed with errors. I sudo rebooted and now the OS ...
0
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1answer
133 views

Nvidia driver does not install

I upgraded kernel of my Ubuntu 14.04 LTS to 4.0.5 and when I try to install video drivers sudo apt-get install nvidia-current nvidia-settings I get this error: Building initial module for ...
0
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0answers
36 views

Problem booting on the latest kernel (3.16.0-34)

I boot on linux kernel 3.16.0-34 atm. The machine just won't boot on later kernel versions. When I do, i get an error message on the desktop. I assume the reason I can't boot on the latest kernel is ...
0
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1answer
74 views

Unable to update kernel

I kept getting a kernel panic (not syncing. No init found) trying to boot my Ubuntu Server, so I burned the latest version of Ubuntu Server to a CD and booted (used option boot to fist disk) to try ...
0
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0answers
31 views

How can I allow *any* user to write files `/sys/kernel/debug/…`?

How can I allow any user to write files /sys/kernel/debug/...? While creating a debugfs file, I realized that only root on my ubuntu machine can access the debugfs files in /sys/kernel/debug/..., even ...
0
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0answers
24 views

Ubuntu Live CD with /dev/nvram available

Is there any way to make /dev/nvram available when running from the Live CD? It says on the manpage for the nvram driver that it has to be compiled into the kernel. Is it possible to do that while ...
2
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0answers
37 views

Debugging kernel running on AMD target from Intel host - how to return control to gdb?

I have compiled kernel 3.13.0-55 on Ubuntu on both AMD and Intel machines. I tried to copy compiled kernel to Intel target but it won't boot with that one. Therefore I have compiled the same version ...
1
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0answers
96 views

Can't boot to new kernel, error processing package linux-image-extra-3.13.0-57-generic

Yesterday I installed the updates ubuntu presented me and now I can't boot in to the most recent kernel anymore, linux-image-extra-3.13.0-57-generic. Starting up immediately causes a kernel panic and ...
0
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0answers
36 views

How do I compile and install a change made to a kernel source file?

I was to apply a patch to config.c file in the drivers/usb/core directory. Specifically, I'm trying to fix the issue detailed in this post. I'm running Ubuntu 15.04 with the 3.19 kernel, a stock ...
0
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0answers
9 views

How to get out of grub after failed update, WITHOUT a cd reader

I tried to install the new version of ubuntu. It took a long time and i let it go on while i slept. When i woke up there was a black screen with commands saying something about the battery. I tried ...
0
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0answers
92 views

Ubuntu 14.04 Kernel 4.1.0devel install panic

I am trying to install kernel 4.1.0devel on Ubuntu 14.04. Machine works fine for default kernel 3.16.0-30-generic. I did the following for compiling and installing the kernel: download the source ...
0
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1answer
58 views

Access Encrypted Home Folder

Something happened to my laptop recently and whenever I booted it up, it freezes and my cap locks button blinks. I did a little googling on this and it appears that it is caused due to a kernel panic. ...
0
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0answers
23 views

Rebuild only kernel image without modules

i want to rebuild the running kernel with a very simple change (suppose only a printk). I would avoid to rebuild all modules, and simply update kernel image in /boot. Here my steps: $ sudo apt-get ...
0
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3answers
81 views

Old kernel version still running after several updates

Currently running 3.11.0-18, but many other later versions are installed. For some reason the updates aren't getting selected for grub: $ uname -r 3.11.0-18-generic Listing kernels: $ sudo ...
0
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0answers
40 views

Load newer Kernel module over older build in one on start

I am using the Intel 82579LM network card, for which there is a newer driver available on the Intel driver site. Installing the driver is no problem and after manually removing the kernel module from ...
0
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0answers
31 views

Error after installing new kernel

After installing a new kernel virtual box stoped working and all the solutions to try to fix it return the error. Errors were encountered while processing: linux-image-3.13.0-55-generic ...
1
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0answers
18 views

Reinstall an official package when custom one has overwritten it

I recently installed the Debian packages produced by running make deb-pkg to compile my own version of the Ubuntu kernel. I had given the kernel the release version 3.19.0-21-secure. All of the ...
0
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2answers
103 views

Cannot Get VMWare workstation to run in Ubuntu 15.04

Hi all Below is a link to the pastebin that contains the tail of the error log produced by VMware Workstation 11. Questions related to this topic are for Specific versions previous versions of linux. ...
2
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0answers
189 views

How to upgrade the kernel of Xubuntu 15.04 Live CD to latest 4.1/4.0.6 version?

I am trying to upgrade the kernel of Xubuntu 15.04 AMD64 live CD to the latest version available (4.1/4.0.6) so that I can try and install the same on hitherto unsupported hardware. I am using the ...
1
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1answer
71 views

Kernel source package for 3.16 in Ubuntu 14.04.2

I installed Ubuntu 14.04.2 with kernel 3.16.0-41. I was looking for the kernel source but the kernel-source metapackage is pointing at 3.13 and I can't see any source packages refering to 3.16. What ...
1
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1answer
43 views

Not using newer kernel version - Any real problems with it?

I have been searching for the answer of this question, but I couldn't find. I know I can upgrade the kernel version to the newer one, but it seems that a lot of people had problems after installing ...
0
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1answer
28 views

Ubuntu 14.04Broadcomm 43142 wifi problem on HP p-011tx

Ubuntu 14.04 does not show wifi connection after new installation. Device is:HP p011tx Broadcomm 43142 802.11 adapter
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0answers
119 views

Having an issue removing old Kernels

I've gotten myself into some sort of infinite loop. My boot partition is full and so I'm trying to delete old packages. When I try this is what I get: You might want to run 'apt-get -f install' to ...