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

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internet works fine for few minutes but stop after a minute

I just installed Kubuntu on y HP pavillon 15-p088ca and everything was all right since my Internet stopped responding. I tried to ping localhost : everyting was fine, try ping google.com : nothing... ...
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1answer
24 views

How to receive a desktop notification on a kernel lockup or bug/warning?

Apport doesn't react at all on any segfaults/problems warnings that happen in kernel [modules], the only way I know of to see them is to check kernel log (dmesg). I'd like to receive a notification ...
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27 views

How to access the menuconfig when building the kernel from source?

My Computer is Applex ARMCHI 815, I need to install the Touch panel drivers. At the docummentation of dirver says. **2.1 Patch kernel module To install driver, please check module ...
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21 views

Change maximum number of Virtual interfaces in Kernel

I am running Ubuntu server 14.04.3. I have smcroute installed - Version 0.95, Build 130523. When I attempt to start the daemon I get the error message: ERRO: addVIF, out of VIF space;, this happens ...
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9 views

How to setup eclipse with CDT plugin for linux kernel module development?

things which I am looking for are code auto-completion and code navigation. I tried the following https://wiki.eclipse.org/HowTo_use_the_CDT_to_navigate_Linux_kernel_source blog and successfully ...
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49 views

Ubuntu won't boot after installing a new kernel

I am a software tester, and I'm trying to test a kernel module on a variety of Linux kernels (3.2+). Currently I'm trying to compile the module, mount it and run an automated test suite on all Linux ...
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1answer
24 views

How to download dbgsym kernel for 15.10?

I have an issue trying to find the dbgsym kernel from the ww repositories. Unfortunately i cannot find it. My system crashes when running wine and chrome and i am trying to read the crash dump. ...
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93 views

touchpad not working under 15.10 with kernel 4.5

Sup, what can I try to make it work? PC is Asus K751LJ-TY316T. I did not try anything further from installing the new kernel. ⎡ Virtual core pointer id=2 [master pointer ...
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43 views

Updated kernel to mainline (4.3.3), but apt-get upgrade keeps downloading headers & image for 4.2

I have a Surface Pro 2 running ubuntu, and prior to kernel 4.x it's been quite problematic (wifi/trackpad/screen etc). I've been updating my kernel to mainline, first 4.0, then 4.2 and more recently ...
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2answers
33 views

Why showing two vmlinuz and initrd.img in update-grub?

shady@shady:~$ sudo update-grub Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.13.0-76-generic Found initrd image: /boot/initrd.img-3.13.0-76-generic Found linux image: ...
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17 views

Capturing a kernel dump from a CPU soft lockup at boot?

I am SAN Booting an Ubuntu server and have configured the 14.04.2 client to the best of my ability according to: https://wiki.ubuntu.com/Kernel/CrashdumpRecipe It seems like the article works fine ...
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22 views

My pc not working properly 14.04

Every time my pc facing an internal error (Kernel oops). I have attached the photos below check it my android studio and java not working properly. Always outof memory error 8GB - Ram Intel - i7 ...
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0answers
77 views

I am currently running on 3.13.0-76-generic Kernel version on Ubuntu 14.04 LTS, How to upgrade it to the latest version?

I am currently using Ubuntu 3.13.0-76-generic Kernel Version and I want to upgrade it to latest stable version? Also What are the advantages of using latest kernel versions.
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1answer
89 views

How to apply kernel patches

I've been installing kernels from mainline repository - all simple there, just *.deb files, one can do simple dpkg -i on them. But how can one apply the patches 0001-base-packaging.patch , ...
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1answer
65 views

Can I delete the folder /debian/dbgtmp (in root)?

I found having a folder called /debian in the root folder (/) which is 2.5GB of size. It contains a single subfolder called dbgtmp that contains several other subfolders. I'm almost sure that ...
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1answer
78 views

Wi-fi Atheros pci.id 168c:0042, problem while wifi driver installation

I followed the steps suggested in the following solution: Qualcomm Atheros Device [168c:0042] (rev 30) Wi-Fi driver installation But the terminal shows the following:/-------------- | Your kernel ...
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4answers
1k views

Where is “uname” pulling information from?

Where is uname -i pulling the information from? Do the details exist in /etc/? Do the details exist in /proc/? If so, which file is it referencing to output those details?
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14 views

philips spc900nc/00 drivers for ubuntu 15.10

I have this old webcam, the philips spc900nc/00 but can't find any software to drive it and need help... I have searched and searched but the only place with some information is this site; ...
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1answer
34 views

Problems compiling a kernel (3.4.110) on xubuntu 15.10

I am not sure if i am in the right forum for this, because it's more of a debian/kernel thing, but it is worth a try. I have to set up a linux system to work with EtherCAT ( for a machine control ). ...
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68 views

Unload saa7164 module for Hauppauge 2250, and stop tvheadend to suspend Ubuntu 15.04

I'm a noob when it comes to using systemd. I'm running Ubuntu 15.04 with the Hauppauge 2250 TV tuner. Unfortunately, the driver/module for the 2250, "saa7164", is not compatible with suspend/resume so ...
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14 views

Crouton Kernel Location Ubuntu 14.04

I am using an Acer Chromebook 15 with Ubuntu 14.04 installed via crouton. My primary issue is that I get intense static sound when plugging in headphones. I am trying to follow this guide to update ...
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1answer
20 views

Not able to understand “Attention” para from USN-2872-2: Linux kernel (Wily HWE) vulnerability [duplicate]

From USN-2872-2 , I am not able to understand what does Attention para means. The paragraph is ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version ...
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1answer
35 views

Bluefish Turns Belly-Up

Earlier this afternoon I was using Bluefish Editor on Ubuntu 14.04 LTS with no problem. After installing this afternoon's kernel patch (3.13.0-76-generic), even before rebooting, Bluefish will no ...
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1answer
52 views

Updating 14.04 kernel alongside NVIDIA binary driver

Sorry if the question is trivial, but I'm not that good with the graphics end of things and I try to avoid dealing with proprietary drivers as much as I can. However, after upgrading my graphics card ...
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1answer
119 views

Can't remove or install kernel

I accidentally deleted my /boot partition but I was able to get it back with grub-install I'm trying to chroot and install the kernels again via this guide:How to restore a system after accidentally ...
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1answer
65 views

wifi issue should i upgrade the kernel?

I am trying to follow this thread enter link description here But not able to get the right ucode files like iwlwifi-7265D-13.ucode from anywhere. I am running Ubuntu Desktop 14.0.4 LTS and having ...
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0answers
7 views

pcc probe failed when boot the machine

Firstly its showing pcc probe failed then after this kernel loading and end up with this message [end Kernel panic- not syncing: Fatal exception in interrrpt
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0answers
13 views

Has anyone had any success with scaling in certain applications? I feel like i need a magnifying glass [duplicate]

I've been using linux on my Yoga 2 Pro, which has a resolution of 3200x1800. I've managed to scale the ui via the settings and unity tweak tool, but i still cant seam to figure an easy fix for ...
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1answer
40 views

Automatic kernel security updates no long being installed

A while back my /boot partition filled up on my Ubuntu server 14.04 install. This caused an automatic kernel security update to fail and be in a partially installed state. To fix the problem I removed ...
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2answers
4k views

New Zero-day exploit reportedly found affecting Linux/Android (CVE-2016-0728)

Russia Today reports (20 January 2016) that there is a new zero-day exploit that has been discovered affecting Linux and all Linux-based OSes for computers and phones. What is the deal; how does it ...
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2answers
78 views

Kernel panic after update 3.16.0-57

I'm running Lubuntu 14.04 on a HP Mini 5103 and after an upgrade yesterday I get a perfectly reproducable kernel panic. Kernel that panics: 3.16.0-57 Kernel that doesn't panic: 3.16.0-56 Maybe ...
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60 views

Dual Video Cards G84GL [Quadro FX 1700] Not working on Ubuntu 15.10

I have had great difficulty with setting up the 2 video cards on my Dell Precision T7400. They work perfectly when I boot into Win10. During the course of my journey to get both cards working I have ...
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0answers
36 views

Sudden Laptop Freeze without logs

Laptop: Dell XPS 13 (2015) Ubuntu 15.10 Kernel 4.2.0.23 (Latest) Minor Problem: Laptop suddenly freezes (when on battery). Full system freeze. Can't access tty1 as well. Major problem: syslog ...
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0answers
35 views

force pam to return success

I want to be able to login (without systemd-user-sessions.service running, is it possible?). I masked the systemd-user-sessions.service, rebooted, but PAM wont let me in (I can login in tty1 though): ...
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23 views

How can I change the kernel after installing ubuntu?

I'm trying to upgrade from lubuntu 12.04 to 14.04 because 14.04 is stable and may also have sound. I've already tried installing from yaboot; unfortunately, the lack of network access and the fact ...
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0answers
41 views

usbip for ubuntu 14.04

My issue is about usbip for Ubuntu 14.04. I tried to install it on two computers, following an askubuntu answer. Yet it fails on both machines when I try to insert the kernel modules usbip and ...
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0answers
22 views

snd_hda_intel triggers kernel stacktrace

I freshly installed ubuntu 14.04 lts on a new machine, and every time I boot a get an kernel stacktrace which causes unity to show an window that an error occured. I got the default ubuntu kernel. ...
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0answers
42 views

Reinstalling bumblebee on Kernel 4.4

I updated my kernel from 3.19 to 4.4, but afterwards the initialization of bumblebee failed. Therefore I removed it completely (purge) and reinstalled it, this time with the current nvidia driver ...
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0answers
41 views

Dell Wireless 1537 is not recognized?

I have an hibrid tablet Dell venue 11 pro, but the wifi card is not recognized! My tablet has Ubuntu 15.10 and the lastest Kernel Version(4.4). Wifi card model: Dell Wireless 1537 Dual-Band 802.11n. ...
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0answers
28 views

15.10 Investigate Blazing-Fast vs Slow Boots

I have an old machine, recently acquired: a Dell Optiplex. I installed Ubuntu 15.10 'fresh' from a USB stick. My problem is I cannot get this computer to boot consistently fast. From ...
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13 views

Frozen system: Unable to handle kernel paging request ffff8800

1st Problem: I was having problems with internet, I was getting a 50 seconds signal failure every 10 minutes or so. I thought reinstalling the OS will fix the problem. Not sure I did fix the 1st ...
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1answer
54 views

Computer hangs while setting up linux-image-3.19.0-43-generic

I think this system was shutdown during a system update but not sure. It doesn't say I have any available updates when I log in, so I don't know. This is a VM on a hyper-v host. I used to face this ...
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0answers
70 views

problem when try install E: Sub-process /usr/bin/dpkg returned an error code (1)

root@Hima:/home/ibraheem# sudo apt-get install nmap Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: ...
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26 views

ehci-pci error -110

I get the ehci-pci error -110 at startup and then the booting process proceeds like normal and whats weird is that the USB ports work just fine. Let me just give you some background. The computer I am ...
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0answers
162 views

Very bad wifi connection, XPS 13 9350 Ubuntu 15.10

I'm running Ubuntu 15.10 on the new XPS 13 9350 Laptop by Dell, it comes with a broadcom chip that isn't supported out of the box. I'm getting 1.5 Megabit download speed, if I tether to my phone ...
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2answers
406 views

Should I upgrade my kernel from 3.16 to 4.**? [closed]

Why do I want this? Just trying to use the updated things. Also, I want to gain the advantage of additional driver updates and better hardware compatibility as per experience with Ubuntu. Would you ...
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0answers
19 views

On booting I get Grub menu instead of splash page

I am running Ubuntu MATE 15.04 on HP Spectre X360 [no dual boot] I have had troubles with booting and have been able to solve Software Updater Problems getting rid of redundant kernel files. I am ...
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0answers
24 views

Toshiba Satellite A660 Backlit keyboard does not work with kernel 4.2

This question was already asked quite a while ago. I am interested if anyone has got this running. I am trying to figure out how to enable the illuminated keyboard on my Toshiba Satellite A660. I am ...
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0answers
26 views

Kernel requirements for open-vm-tools-lts-trusty

I've lately installed open-vm-tools-lts-trusty on an Ubuntu 14.04 system running kernel 3-13.0-32-generic. Version of tools appears to be 2:9.4.0-1280544-5ubuntu6.2 All was working well, e.g., I ...
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46 views

Xubuntu: Current kernel version at 16 January 2016?

I hope this question is appropriate for askubuntu.com - apologies if not. In Xubuntu 14.04, I understand that: uname -a should give (at least) kernel 3.13.0-74-generic #118-Ubuntu, but I have ...