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

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1answer
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3.13.0-24 Kernel and NVIDIA Drivers

I recently installed Ubuntu 14.04 and I installed Nvidia drivers from additional software. Everything was working fine. After a few days an update notifier came out to install kernel 3.13.0-24 (and ...
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0answers
4 views

How to create a task manager that runs on kernel?

I am a CS student and I am currently studying operating systems, my project is to create a task manager similar to windows task manager, but the problem is I don't know where to start. I have ...
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0answers
18 views

how does my heating issue in dell inspiron stopped?

I have installed the all new Ubuntu 14.04 (Trusty Tahr). And I am way to happy. I used work on Linux but I was literally irritated because my Dell Inspiron used to heat up really badly. initially I ...
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0answers
36 views

3.11.0-20 vs 3.13.0-24 ubuntu 14.04

I've upgraded from 13.10 ubuntu to 14.04 and if I run with kernel 3.13.0-24 it is slow/laggy and after a while i get screen glitches and shortly after that whole pc freezes. If I choose instead ...
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0answers
6 views

About Removing apt-cache and old kernels in Ubuntu 14.04 [duplicate]

I have upgraded ubuntu to 14.04 today, but in 14.04 ubuntu-tweak is not supported, I dont know how can i remove old kernels and apt-cache files Please anyone help me by sending command-line for ...
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0answers
55 views

12.04 LTS to 14.04 LTS Update error

Last night I updated my home server from 12.04 LTS to 14.04 LTS. After the update process, I rebooted the server and now it goes into Kernel Panic during boot. This happens even if I boot into ...
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0answers
34 views

Lubuntu 14.04 cannot try Lubuntu without installing-error messages

I have Lubuntu 13.10 installed. Works great. I downloaded Lubuntu 14.04 and burned to disc. To test I tried the option to try Lubuntu without installing. I got several error messages which I did not ...
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1answer
23 views

Good kernel for 2003 laptop

I'm loading Ubuntu 14.04 onto a computer that is pretty old. The laptop is a TOSHIBA Satellite A10-S169 and I'm pretty sure it was manufactured in 2003. I'm very new to Linux but I heard that older ...
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0answers
13 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
8 views

error while configuring new kernel?

I'm trying to configure a new kernel and installing modules but I always get this problem /lib/modules/3.14.1/kernel/fs/f2fs/f2fs.ko~ at /usr/src/linux-3.14.1/scripts/sign-file line 417. make[1]: * ...
1
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1answer
52 views

Wrong kernel after upgrade — old kernel still installed?

I just upgraded from 13.10 to 14.04, but when I do uname -r, it says I have kernel 3.11. I want to have the default 14.04 kernel, (3.13 I believe). How can I get this?
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1answer
6 views

GRUB and Kernel

I have a simple but important question for my case: Does upgrading the Grub mean upgrading the kernel ?
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0answers
20 views

RAM size problem with Ubuntu 11.04 [on hold]

On my computer I have 8 GB of RAM. I installed Ubuntu 11.04 on it(the only operating system I use on this computer). When I run free -m, I guess it displays only 3.6 GB. Why this happened and how ...
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0answers
36 views

Could someone give me the overview for adding to the kernel?

I've built my own kernels in Gentoo before so I'm no novice. I just did the dist-upgrade for xubuntu to 14.04 but alas the new kernel image wont support my Wireless NIC. Thank Goodness I still had ...
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0answers
7 views

Ubuntu 12.04, loading i801 I2C driver

I have a device connected to the following bus (I will discuss it once I explain what I'm trying to achieve), and I'm trying to debug the driver itself (generally it was working for earlier ...
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0answers
24 views

do-release-upgrade: Failed to configure linux-image-generic (previous on backports kernel)

Because of hardware issues I was on backports-3.11-rc3-1 with Ubuntu 13.4 64bit. Now, after a while I initialized do-release-upgrade. The process stopped with the message that the configuration of ...
3
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1answer
24 views

Kernel security settings

What is the right security setting for the net.ipv4.conf.all.secure_redirects option in sysctl.conf? Here it sets to 1 and Here sets to 0. Is net.ipv4.conf.default.secure_redirects related to ...
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0answers
21 views

Ubuntu server 12.04 made into squashfs (toram) and frequent start-up kernel panics

I've got a Ubuntu server 12.04 64-bit packed into squashfs and booting into RAM using toram option. When I reboot the machine I get a kernel panic 3 out of 5 times, sometimes multiple times in row, ...
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0answers
9 views

Recompiling the kernel after modifying the “irq.c” Module

I modified the irq.c file in the kernel by including several printk() statements to trace some values that I wanted to recovered. Logically, after modifying the irq.c file I attempted to recompile the ...
0
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1answer
18 views

Finding the path of Kernel source code

I have the following situation. Let's say, I have 3 kernel images installed in my system. But currently, image 3.0.0-generic is running. And the source code for all three kernels are located at ...
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0answers
28 views

Problem installing Lubuntu 13.10 [Kernel Panic]

Hello ~ I've had trouble installing Lubuntu 13.10 [64bit] from a usb drive. [I used Universal USB installer] I boot from a usb drive, menu loads up and I can pick with arrow keys - but then as soon ...
0
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1answer
63 views
+50

Why does my computer (almost) randomly power off? (GPU Kernel Panics?)

I've always had a problem running any sort of Linux distro on my machine. I'm a gamer and tend to spend most of my time in Windows and I have never had any issues when it comes to stability of my PC, ...
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0answers
105 views

Cant boot from kernel 3.13.0.24 [on hold]

Hi yesterday while updating 14.04 using the update manager I saw Kernel 3.13.0.24 getting downloaded so after the update process completed I rebooted but found that the kernel is stuck at version ...
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0answers
10 views

Dell XPS 13 kernel issue

I've bought Dell XPS 13 9333 and I've upgrade to latest ubuntu 13.10. Then I've realize on book my machine can't never end it's task. It's just freeze after some time on booking screen (Ubuntu image ...
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0answers
25 views

special parameter xforcevesa to the kernel

is possible to know how works the special parameter "xforcevesa" when is added to kernel? how init-scripts can use vesa driver when X start ? this is for educational purposes
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0answers
34 views

LinuxTV PCTV DVB-S2 461e not recognised

I have a problem with PCTV DVB-S2 Stick (461e). I am running Ubuntu 12.04 and have installed linuxtv using: git clone git://linuxtv.org/media_build.git cd media_build ./build ...
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0answers
14 views

cannot Install VMware 4.0.6

I'm using the Ubuntu 3.11.0-19-generic kernel . I'm trying to install vmware player 4.0.6 while installing i'm getting this error message "Unable to start services. See log file ...
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0answers
76 views

The path “” is not a valid path to the 3.11.0-19-generic kernel headers

I'm installing vmware tools and am getting this message. I tried "sudo apt-get install linux-headers-generic" which was suggested in another post but it did not help. What needs to be done so that the ...
0
votes
1answer
38 views

Command to find how much data was transferred from USB

How can I create a cron job that runs every minute and logs how much data was transferred by USB? Ideally I want log of amount the data in bytes transfers done. For example if i tranferred 4mb file ...
0
votes
1answer
16 views

Can i recompile kernel in dualboot environment?

I need to fix a value hid-ids.h and compile kernel so that my device will work. But i'm on dualboot with windows 8. If this goes wrong can it damage grub or will this just affect my ubuntu ...
0
votes
1answer
19 views

Installing non-pae ubuntu from USB-stick without network

there! I have to install ubuntu on my old laptop(IBM thinkpad T42). When I was trying to install normal desktop version, it said that you must have non-pae kernel version. After that I downloaded ...
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0answers
14 views

How to fully encryped ubuntu on the Beaglebone Black

... or at least access LUKS partitions from a unencrypted system. In the past my BBB crashed during file copying on encryted SDHC that actually did mount. In the later versions from ...
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0answers
18 views

modprobe foo_driver not found

i need to change my usb device product ID to make it work properly without recompiling kernel.. Using 13.10. But the command 'modprobe foo_driver' gives me 'FATAL: Module foo_driver not found.' What's ...
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0answers
21 views

Modifying CPU Scheduling algo in ubuntu kernel [closed]

I know how CPU Schedulers work on ubuntu. I want to see the code for this and modify the CPU Scheduling to optimize it for background processes. But I never worked on kernel code and I don't have ...
0
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0answers
57 views

error installing linux-image-3.11.0-19-generic: “kernel does not support non-PAE CPU” although CPU has PAE

I am running Ubuntu 12.04 Kernel 3.11.0-15-generic on my IBM T42 which has a Pentium M 1,7GHz Processor which has 32bit physical adress extension (PAE). Now I cannot install latest security updates ...
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3answers
1k views

Is my kernel safe to use?

I am running Ubuntu server 12.04 and my fresh installation is using the 3.2.0-60-generic kernel, however when I go to https://www.kernel.org/ it says the latest stable kernel is only 3.14 I don't ...
0
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1answer
43 views

Where to get official ChromeOS 32-bit builds? [closed]

For some reason, Chrome OS Recovery Media Creator is pulling the latest 64 bit version of ChromeOS and not the latest 32 bit version fo ChromeOS like it used to. This is a problem because I install ...
0
votes
1answer
54 views

Can't install Ubuntu 13.10; freezing on configuring bcmwl-kernel-source

For three hours, I have been trying to install Ubuntu 13.10 on my Gateway MX6445 laptop, but every time, installation stops in the last step. Could anyone help me?
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0answers
32 views

ureadahead main process terminated with status 5

Having struggled for the last few days with a kernel panic, this is the new error I am getting on boot. A restart doesn't help. I have access to the server in rescue mode where I can mount the ...
1
vote
1answer
32 views

Booting Paravirtualized Kernel On Bare Hardware

I been reading dmesg and i found the line " Booting paravirtualized kernel on bare hardware " but I am not using Ubuntu in visualization I am using it on my laptop DELL N5110 the only OS I have on ...
0
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0answers
62 views

Kernel Panic has ruined my entire server, can't identify the problem

As of today all my websites have been down and I cannot connect via SSH/FTP or ping the server. The only access I have is through rescue mode. Apparently the server cannot boot normally due to 'kernel ...
0
votes
1answer
24 views

Newly compiled kernel not booting up (vanilla kernel 3.12.14)

I downloaded, configured and installed kernel downloaded from kernel.org. While booting up this new kernel for the first time, this error screen shows which is pointing towards a missing or wrongly ...
2
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2answers
71 views

Are reboots required after updates?

I noticed from other posts that /var/run/reboot-required.pkgs tells what package is requiring a reboot, but this file does not exist anymore. I have been running Ubuntu 13.10 (and updated to beta ...
2
votes
0answers
9 views

How to set an image generated by update-initramfs to be loaded by default [duplicate]

In my adventures in trying to revert a kernel upgrade (it broke my wifi for some reason), I was able to generate a boot image for the previous kernel (#update-initramfs -c -k 3.11.0-17-generic) I ...
1
vote
1answer
70 views

Header path during installation VMware [duplicate]

I have installed VMware on Ubuntu 13.10 but when i launch it then a message said that i have to specify the path for the linux-headers-3.11.0-19-generic. Now i'm not expert on linux, i give the ...
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4answers
3k views

What is the meaning of 'i686' in Ubuntu?

To check whether I am using 32bit or 64bit Ubuntu. I looked in How do I check if I have a 32-bit or a 64-bit OS? and found this answer uname -a. If it is shown as i386, it will be 32bit and amd64, it ...
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0answers
15 views

Error when trying to remove g15daemon* [duplicate]

When I try to remove g15daemon I come up with this: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be removed: ...
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1answer
19 views

File permissions and applications

How does ubuntu protect against executable files which become executable through another installed app changing the permissions? I mean it is possible to check applications do not change file ...
2
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2answers
40 views

Does Ubuntu use segments or pages to allocate main memory? [closed]

Segmentation or Paging scheme that ubuntu 12.04 use to allocate the main memory? Does it use both of it? How? If it doesn't use both scheme, so what the scheme that should be use? why?
0
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1answer
41 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 ...