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

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System Updated to 3.13 Kernel that won't boot

Recently, I got a message that told me automatic updates to my hardware would end 8/07 and decided to update my system to the latest kernel version 3.13. I'm running Ubuntu 12.04 on some fairly old ...
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1answer
47 views

“Your current Hardware Enablement Stack (HWE) is going out of support”

My ubuntu system now says; Your current Hardware Enablement Stack (HWE) is going out of support on 07. aug. 2014. After this date security updates for critical parts (kernel and graphics ...
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0answers
11 views

Use an older version of batman-adv on 14.04

I have a number of BeagleBone Black (BBB) boards running a batman-adv mesh network. The batman-adv version built into the BBB image (kernel 3.8.13) is 2012.5.0. My desktop and notebook clients all ...
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0answers
26 views

system crashing

I am very new to linux and Ubuntu. I only installed it on an older laptop recently to try to get some more mileage out of it. I wish I could post a photo of the "kill screen" but basically my system ...
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1answer
111 views

Ubuntu SD Card reader problem

I have realtek SD Card reader on ubuntu, and something weird happens: Sometimes it recognises SD card, sometimes it has no action at all after putting it inside, and sometimes shows, disappears then ...
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0answers
9 views

Kernel Panic when starting

Installed Ubuntu on new laptop with Win8.1 installed from USB key. Worked fine and could dual boot. Installed updates and rebooted when instructed Got following message when booting into ubuntu: ...
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1answer
67 views

Help with ram usage

I have a dual boot laptop with 512 MB RAM running Windows XP/Xubuntu. I try to load student.portal.chalmers.se (a huge bloat site) in Firefox. On XP, I can load the site without any swapping, but ...
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2answers
26k views

Can't upgrade due to low disk space on /boot

I try to do do-release-upgrade but then I get: Not enough free disk space The upgrade has aborted. The upgrade needs a total of 25.7 M free space on disk '/boot'. Please free at least an ...
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1answer
89 views

ubuntu 12.04 kernel 3.13.0.30

I have a Dell Inspiron 15 with ATI graphics card. Everything was working without any problems until kernel 3.8. During the regular updates Ubuntu suggested to update to kernel 3.13.0.30. After that ...
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0answers
20 views

Re-compiled kernel, where next?

I've recompiled the kernel and installed it. I can see my new kernel version with uname -r, where can I go from here in exploring the kernel? I would like to know if there is some small update I can ...
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0answers
22 views

Change the priority of a module after insmod

After writeing a custom module and insert with insmod how can I make it high priority in the kernel? It is a network program, if it has higher priority than default network components, will it ...
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0answers
16 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 ...
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1answer
22 views

Downgrade Ubuntu 12.04 kernel to 2.6.x

I currently have the most up-to-date kernel (Linux user-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) of Ubuntu 12.04 on my x86_64 computer, but ...
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0answers
21 views

after installed linux header in ubuntu 11, still have error linux/module.h no such file or directory [on hold]

already sudo apt-get install linux-headers-$(uname -r) in home directory i type gcc -o cli cli.c still got error linux/module.h no such file or directory then i search where is the source, i ...
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1answer
60 views

How does LTS combine with HWE out of support

This is a rather general question, but I'd really like to know where I got it wrong. Less than a year ago on one of my laptops, I installed Ubuntu 12.04 precise (Kernel 3.8.x) Now I am told that HWE ...
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1answer
69 views

How does the kernel load firmware? [closed]

Recently I've been struggling to get a wifi card to work properly (bcm43228), and had a few related questions. Questions are all related to the same subject, so imo it makes sense to make only one ...
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4answers
26k views

VMWare can't find linux headers path

I'm using ubuntu 12.10 with the kernel 3.7.0-7 from xorg-edgers fresh X crack. Now when I try to launch wmware workstation it asks for linux header path like shown here. I tried all the solutions on ...
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3answers
1k views

How to check if netconsole really works?

I installed netconsole using the instrunctions given here: https://wiki.ubuntu.com/Kernel/Netconsole dmesg | grep netconsole says everything is OK, but I won't believe it so easily:) How can I ...
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0answers
8 views

find the .config file for linux kernel 3.10.48

I'm trying to compile kernel source code(3.10.48), and I wanted to know that how can I find or retrieve the .config file for the kernel?
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0answers
30 views

How to BuildMyOwnKernel, bumping +1 for revision number version?

I'm facing a hard time with Linux 3.13 from Trusty but, it is another topic (http://www.mail-archive.com/ubuntu-server@lists.ubuntu.com/msg06775.html), so, I decided to backport the Linux 3.16 from ...
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0answers
12 views

booting Ubuntu 14.04 in VirtualBox [duplicate]

In trying to boot Ubuntu 14.04 in VirtualBox on Windows 7, I get this message: "This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot. Please use a kernel appropriate for ...
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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] ...
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0answers
13 views

Ubuntu 14.04 libnetwork.so crash for unity control centre

I am new to ubuntu and I am kind of stuck with network. I was having problem with connecting to wifi networks. Now the problem was that the network settings show the wifi networks available but when I ...
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0answers
21 views

Kernel compilation

I'm trying to compile a source Linux kernel (version linux-3.10.48). Using the make menuconfig command, all the configurations are done and the .config file is saved, but when I'm compiling the main ...
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0answers
15 views

how to install ksymoops on Ubuntu 14.04

I want to analyze kernel crash(Oops) using ksymoops. I am trying to install ksymoops on Ubuntu 14.04(LTS) 64 bit using command sudo apt-get install ksymoops but unable to install. Below mentioned ...
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2answers
3k views

Hardware Enablement Stack (HWE) out of support

From yesterday my update manager gives me this message: Your current Hardware Enablement Stack (HWE) is going out of support on 07/08/2014. After this date security updates for critical parts ...
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2answers
811 views

How does the linux kernel choose which firmware version to load?

I installed the latest firmware for my network card N-7260 from http://wireless.kernel.org/en/users/Drivers/iwlwifi#Firmware. I am using Ubuntu 14.04 with kernel version 3.14.01 from the kernel's team ...
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2answers
67 views

Config file accidentally deleted

I accidentally deleted the kernel config file found in /boot. So I have 2 questions. Does this affect the system by any means? and I am trying to compile the Linux kernel now and was looking to ...
13
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3answers
18k views

Will it be possible to use a non-pae kernel in recent versions of Ubuntu?

I know that Ubuntu +1 questions are frowned upon, but this I believe is a fair exception. Currently I have 2 systems running Ubuntu 12.10, and one of them has a Pentium M that doesn't support PAE ...
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0answers
54 views

Important installations failed

I have a new computer with ubuntu 12.04 LTS ready installed. I get a message telling me to install an important security update 'Linux kernel image for version 3.5.0 on 64bit x86 SMP, but install ...
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0answers
44 views

kernel 3.13.0.32 Fan RPMs greatly increased

I have just updated the kernel from 3.13.0-30 to 3.13.0-32 for Ubuntu 14.04 that has all "stable" updates. As soon as I rebooted (several times) the two computer fans went from the average 1400 RPM ...
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0answers
9 views

EDCA do not prioritize the traffic correctly on atheros card

I am trying to make some tests on my Atheros card (3com, 11a/b/g Wireless card, 3CRPPAG175). I observed that for Voice and Video packets the band is divided by half. I expected that Voice will be ...
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0answers
18 views

error while booting xubuntu 14.04

I get a message on the screen every time I load xubuntu 14.04 on my xp mini, which says: " Support for core revisions 0x17 and 0X18 disabled by module paron allhusupport=0. Try013.allhusupport=1. ...
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1answer
470 views

How to reinstall Ubuntu 13.04

I encountered a Kernel Panic error and I went to go load up LiveCD install I have on my SD Card with Ubuntu 13.04 on it, I choose to Install Ubuntu, however when I get to the options of what I want to ...
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2answers
20 views

Ubuntu 12.04 Cannot update kernels

Currently I cannot load the kernel 3.8.0-39-generic, or 3.8.0-38-generic. I have to go back and use 37, is there anywhere I can remove the two newer ones and re install them?
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0answers
48 views

Intel AC 7620 No Internet, Still Connected to Network

I bought a new Asus n550jv laptop which has a Intel AC 7620 wireless card inside of it. I installed Arch Linux on it and noticed that I will be connected to my corporate wifi and every once and a ...
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0answers
13 views

Is there any solution to set baud rate, line discipline etc., by only using our kernel module?

I wrote a kernel module for a touch screen monitor and earlier I used inputattach (written in userspace) to open serial port, set baud rate, control flags, line discipline etc. But now I want to ...
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0answers
24 views

Perf not found for kernel 3.13.0-031300 [duplicate]

I am trying to install perf on the ubuntu 13.10. However I am getting error: perf not found for kernel 3.13.0-031300 You may need to install linux-tools-3.13.0-031300-generic I have tried the ...
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2answers
6k views

Error message “E: unable to locate package firmware-b43-installer” [duplicate]

I am using an Acer Aspire 5002WLMi laptop and set up a dual boot with Windows XP and Ubuntu 12.04. Wi-Fi is working well in Windows XP, but when I start Ubuntu I will get the below error. [ ...
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0answers
20 views

Syslog kernel ehci-pci errors (-19)

There are much the same error messages (20+ per second!) in my syslog: Jul 14 22:17:17 laptop-joost kernel: [ 5074.090203] ehci-pci 0000:00:1d.0: port 1 resume error -19 What does this message ...
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1answer
10 views

sub par wifi with 12.04 kernel 3.2.0-29 an proprietary RT3290

I have a HP Pavillion 500-203A with RT3290 chipset and simply inserted by own Ubuntu 12.04 disk. I successfully compiled the proprietary drivers according to this guide: ...
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0answers
382 views

Kernel Panic not syncing fatal exception in interrupt

I have Ubuntu installed on 2 of my computers and one of them has been acting up. First it started as the screen randomly freezing and I would have to restart to fix it, then just now it goes to a ...
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0answers
21 views

System freezes when copying from Hard Disk to Flash memory

When ever I copy large files(> 1GB )to any USB, ubuntu 14.04 LTS becomes unresponsive . The Pointer Starts to hangs for a second or two repeatedly. I also feel that copying process is to slow as ...
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1answer
14 views

Replace Black screen/kernel text compiling with image

Does anyone know of a method or program that allows you no display an image instead of the black screen/compiling text that is normally displayed while booting? Thanks
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2answers
21k views

Where are kernel panic logs?

I've got problem with Handbrake/ffmpeg. After ~5 minutes transcoding, the computer locks up. I'm fairly sure it's a kernel panic because caps-lock starts flashing. There are a few logical questions ...
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1answer
23 views

Repeated “Oops 0000 [#1] SMP” Crashes

My installation of Ubuntu 12.04 is repeatedly crashing to black screens. It crashes during a variety of activities (watching Youtube videos in Chrome, rendering video, watching other video, playing ...
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0answers
15 views

How To Add LZMA Files

Maybe someone here can help me. Is there a way to add LZMA files? You have your uImage; you extract the kernel and then decompress it and run binwalk on it to get this (example): DECIMAL HEX ...
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0answers
13 views

My Gateway's BCM57765/57785 SD card reader isn't working

The device will not show up with "sudo fdisk -l". This is not just a corrupt card, it's been reoccurring for every card I try. This is the output from the dmesg [ 21.835685] mmcblk0: unable to ...
0
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1answer
30 views

kernel panic occurs in ubuntu 14.04

I have Dell INSPIRON N4050. After installing Ubuntu in my laptop and upgrading to 14.04 this kernel panic occur. It happens after every 15 or 30 minutes and my laptop reboots in 30 seconds. Help me ...
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1answer
50 views

3.15.5 stable kernel not building, “gzip: stdout: no space left on device”, /boot is NOT full

Running into an issue building the 3.15.5 stable kernel on Ubuntu 14.04 LTS. Relevant portion of sudo make modules_install install INSTALL /lib/firmware/edgeport/down2.fw INSTALL ...