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

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0answers
39 views

MacBook Pro 11,1 Magsafe connector gets hot

I've installed Ubuntu 14.04 on my Macbook Pro 11,1 and updated the kernel to version 3.19.8. I have a problem now. If I plug in the Magsafe connector the connector and the surroundings on the macbook ...
2
votes
2answers
65 views

Linux kernel and headers do not install on a VPS system

At this point all I'm trying to do is update my headers on fresh Ubuntu 14.04: root@invoke:~# uname -a Linux invoke 2.6.32-042stab094.7 #1 SMP Wed Oct 22 12:43:21 MSK 2014 x86_64 x86_64 x86_64 ...
0
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1answer
78 views

Reinstall/fix ubuntu kernel

I have a problem with my Ubuntu installation. After the last reboot it seems Ubuntu is not loading all it's modules properly. The system doesn't see anything connected to usb, wifi, it seems keyboard ...
1
vote
1answer
198 views

Udevadm trigger is not permitted

I have Ubuntu 14.04 installed, yesterday i performed an update, but the update center froze for some reason, when i tried to reboot the pc, i was unable to and i got the following error message: ...
0
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0answers
95 views

How do I fix a vboxdrv setup failure in VirtualBox in dell inspiron 1440?

I use dell inspiron 1440.I am trying to install Virtual box but got some errors. To install virtualbox I downloaded one file i.e. "virtualbox-4.3_4.3.28-100309~Ubuntu~raring_amd64.deb" and used below ...
0
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0answers
8 views

Does the Linux Kernel support MobileIPv6 ?

I am working on MobileIPv6 and want to know if the Linux Kernel supports MobileIPv6 protocol? If yes, which version of the kernel? Also I want to know if there is a MobileIPv6 implementation similar ...
0
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1answer
29 views

How long do HWE kernels maintain/support in Ubuntu?

I tried 3.19.x.x.lts-vivid kernel and it doesn't seem to work with my hardware as I cannot build a module for my Nvidia graphic card and there are also similar bug reports submitted and confirmed to ...
0
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1answer
49 views

Which one is the latest upstream kernel?

I reported a bug on Ubuntu and now the person assigned to me is asking me to test the latest upstream kernel: could you please test the latest upstream kernel available from the very top line at ...
0
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0answers
28 views

How to Make Waltop Graphics tablet fully functional in ubuntu using digimend patches

I have Waltop Media Tablet 10.6” (Rebranded as Genius G-Pen M609X). The tablet works out of the box in ubuntu 14.10, but has only basic functionality. All the extra keys and scroll wheels are ...
0
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0answers
33 views

Rebuilt Kernel and now no WiFi listed by rfkill

Aloha, I installed Fedora 21 alongside my Ubuntu Kylin 14.04 and then downloaded the updates for ubuntu. It froze while finishing the update. The grub menu didn't include Fedora. I got a grub gui, ...
1
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1answer
53 views

Linux Crashes every time I word process [closed]

Linux crashes every time I word process. It doesn't matter if its a .doc, .docx or odt file. Doesn't matter if I'm using LibreOffice Writer, AbiWord, or IBM Symphony. It also does it when looking ...
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0answers
54 views

Is there anything wrong with this netconsole output?

Ubuntu 14.04 is crashing for me. My original question is here: Ubuntu 14.04 becomes unresponsive I ran netconsole to another machine and do not know if anything in the output may be causing the ...
1
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3answers
379 views

High System Load, Low CPU/RAM Utilization on Ubuntu 15.04

not really a system administrator here but really trying to just set up a server (a rented VDS, really) for some friends. I recently transferred basically game servers/MySQL/web sites over from one ...
0
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4answers
94 views

How do I remove linux-kernel-image 4.0.2 and install 3.*.* back?

I am not sure if kernel 4.0.3 started giving every time some errors but since I installed kernel 4.0.2, it shows many errors. How can I remove the recent kernel image and install the previous 3.. ...
2
votes
2answers
131 views

Bluetooth AR3012 0489:e076 doesn't find the devices

I have a laptop Acer v15 with Qualcom Atheros bluetooth and Logitech M557 mouse, which worked well initially. Then after disconnecting the mouse, my bluetooth adapter can't find any bluetooth devices ...
1
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0answers
24 views

add/delete ubuntu specific folder or file right click context using bash

I want to change the right click context menu of ubuntu specific folder using bash script. When bash script executes, it first create a file or folder having only two right click context menu option. ...
0
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0answers
31 views

Crouton Ubuntu 14.04 LXDE Can't upgrade kernel

I have an Acer C710 Chromebook which I installed Ubuntu 14.04 (with LXDE desktop environment) to via crouton. By default, it comes with kernel version 3.14, and I need to get it to 3.19 for there to ...
0
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0answers
64 views

HP Stream 14 - Touchpad not correctly working

I've just install Ubuntu 15, but unfortunally tha touchpad is not working as normale! It doesn't recognize two fingers! I see that is a driver problem. What can I do? Is there any fix? I have the HP ...
1
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2answers
63 views

Install driver for Exar XR17V358 in Linarto Ubuntu 12.04 LTS

I have a Freescale iMX6 SMARC module and carrier board. It came from the manufacturer with Ubuntu Linaro 12.04 LTS (kernel 3.0.35). I need a lot of serial ports, so I got the Syba 8 port PCIe card ...
1
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1answer
58 views

Why is /boot so small?

I recently had the warning that /boot was running out of space and I found this solution. Having rebooted and confirmed that I didn't fubar my system, I'm looking at why it happened in the first ...
0
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0answers
22 views

I was trying to compile a kernel on Ubuntu and this error popped up?

/bin/sh: 1: arm-linux-gcc: not found make[1]: *** [kernel/bounds.s] Error 127 make: *** [prepare0] Error 2
0
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2answers
143 views

Downgrade linux kernel in lubuntu

I am using lubuntu 14.04. I want to downgrade the kernel. It was pretty simple in ubuntu 14.04 downloading and opening in software center, but in lubuntu that is not working. I have installed it using ...
2
votes
1answer
96 views

Wifi not worrking after kernel update

I updated Ubuntu from version 14.04 to 14.10 and installed kernel v. 3.17 ,as described on this blog, to gain Display port MST support. This gave me MST support but WIFI does not not after the kernel ...
0
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0answers
57 views

Ubuntu freezes all the time - already checked other posts

I've already read many posts with similar problems and have tried a few things, but couldn't get rid of this issue... I have the common problem of my Ubuntu freezing all the time. Everytime I try to ...
2
votes
1answer
62 views

Getting same patch from two different people at the same time

What happens when two different people fixed and send the same patch at the same time?
0
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1answer
205 views

Failed to install 3.16 kernel on Ubuntu 14.04

I am trying to install 3.16 kernel on Ubuntu 14.04. I was following http://askubuntu.com/questions/506956/how-can-i-install-3-16-kernel-on-ubuntu-14-04 instructions to install the kernel. I got these ...
0
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0answers
68 views

Ubuntu on Chromebook - How to add iptables_nat to special kernel?

I am running this modified version of Ubuntu on my Acer C720 Chromebook. Recently I've tried installing Docker, but it seems that this special version of Ubuntu lacks iptables_nat: eir@asgard:~$ sudo ...
2
votes
1answer
251 views

Highly unstable wifi Realteck Lenovo T450s with rtl8192ee

My WiFi doesn't work on my newest Lenovo T450s. By doesn't work, I mean sometimes it will work, and then for some reason it'll stop. It'll even break the router if I insist too much on reconnecting. ...
0
votes
1answer
76 views

Kernel panic when trying to install ubuntu

Summary: When trying to install Ubuntu i get Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) and the other questions adressing the same error doesn't help since all ...
0
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0answers
217 views

no HDMI audio on Intel NUC (NUC5i5RYH)?

As the subject suggests, I'm having a bit of trouble getting audio over HDMI with an Intel NUC. I'm running 15.04 Vivid. To be honest, I've heard before that the kernel is considered to be monolithic ...
1
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0answers
128 views

Python app crash after sending command “GPIO.setup( 7, GPIO.OUT)”?

Python app crash after sending command "GPIO.setup( 7, GPIO.OUT)" !!! Action step: pi@rp:~$ python3 Python 3.4.3 (default, Mar 26 2015, 23:09:09) [GCC 4.9.2] on linux Type "help", "copyright", ...
0
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2answers
32 views

How can I install klogd on ubuntu trusty?

I am trying to find how can I install the kernel daemon logger on ubuntu trusty (14.04.2). It looks like it does not run on my machine after ps aux |grep klogd . locate does not find it as well.
0
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0answers
29 views

No Keyboard, no network after power-out 14.04 LTS Server

After a power-outage, the server rebooted OK, but fails to set up networking and the USB keyboard no longer worked (A bit of a hinderance as I then have no way to access the machine). I tried several ...
0
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0answers
19 views

Get Systemtap to work on 14.04

I'm trying to get systemtap to work on 14.04. So far I've had very little success: I couldn't find debug symbols for the kernel version for trusty. I ended up installing utopic's kernel (*-38), and ...
0
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0answers
55 views

Boot hangs at drive unlock after Grub

When booting certain kernels, the boot process hangs where it wants me to unlock a fully encrypted hard drive. The input to type the passkey is there, but there is a blinking cursor on top-left corner ...
1
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0answers
40 views

how to change kernel name

How do I change kernel name to any name like Linux 3.13.0-53-generic to any name and version ABC 3.12.0.53 generic So that If i logged out from any site like Face-book it sends me back via email of ...
0
votes
0answers
135 views

Ubuntu 15.04 suspending long after lid is closed

My MacBook Air has Ubuntu 15.04 installed. Ubuntu 15.04 only suspends after about 10-30seconds after lid is closed. This worked totally fine in ububntu 14.04 and 14.10. I hav attached the code in: ...
0
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1answer
51 views

Can't compile drivers for rt8188eu wifi card

i have tried compiling this and also with the one i got from its manufactures. both are giving same make error.. When i make all.... make[2]: *** ...
1
vote
1answer
52 views

Removing Kernels from grub

My grub has the following versions which I want to remove. Ubuntu, with Linux 4.1.0-rc5-next-20150529 Ubuntu, with Linux 4.1.0-rc5-next-20150529.old Ubuntu, with Linux 4.1.0-rc4-next-20150525 ...
0
votes
1answer
67 views

error while compile driver

when i want compile broadcom wireless driver it give this error : root@hello-notebook:/home/hello/bcm/broadcom# make KBUILD_NOPEDANTIC=1 make -C /lib/modules/`uname -r`/build M=`pwd` make[1]: ...
0
votes
1answer
48 views

How can I upgrade packages on a broken ubuntu installation from a live usb?

I downgraded from linux-image-3.19.0-18-generic to linux-image-3.19.0-16-generic and then stupidly removed 3.19.0-18 without thinking. When I rebooted I was unable to load unity and my network ...
0
votes
0answers
18 views

How can I print my own statement in terminal during kernel 4.0.4 compilation in Ubnutu 12.04

I tried to put some printk lines in start_kernel() function But those lines are not showing in terminal during compilation and install of kernel. I don't know how to do that. Or is there any way to ...
0
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0answers
33 views

How does 'upgrade packages during installation' affect point release and kernel updates?

I've recently freshly installed Ubuntu Server 14.04, allowing package updates by internet on installation. This was installed from the 14.04 disc image, downloaded before any of the 14.04.1 and ...
1
vote
1answer
104 views

Ubuntu 14.0.4 - Mistake while installing

This is the first time I install Ubuntu. First I downloaded the universal usb drive, then I selected the location of Ubuntu, which was on my external hard drive, and I made a mistake by putting the ...
0
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0answers
34 views

Kernel questions

I'd like to install kernel 4.0.4 on my 14.04. I want to do it mainly for educational purposes. In fact, I want to learn how to install the binary kernel and how to compile it from sources. I found ...
0
votes
1answer
202 views

BFQ I/O Scheduler

As you probably know, the BFQ scheduler drastically improves disk performances in a typical desktop usage scenario. Now, I wanna try it on my 14.04.2, but all the guides I was able to find googling ...
0
votes
1answer
77 views

ubuntu update kernel

I thought that the usual update in Ubuntu does install new kernel versions. I noticed that $uname -r 3.13.0-24-generic and $dpkg -l | grep linux-image ii linux-image-3.13.0-24-generic ...
2
votes
1answer
219 views

Use of Predictable Network Interface Names with alternate kernels

Almost constantly, I use kernels from the Ubuntu kernel PPA, or kernels I have compiled myself, using the Ubuntu kernel configuration. The problem is when I am using the stock kernel it seems to ...
2
votes
0answers
191 views

Why aren't all of my CPU cores always detected in ubuntu 14.04 with an Intel Core Duo 2 CPU?

I'm using Ubuntu 14.04.2 LTS with kernel 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux. Computer model: iMac Late 2009 ( ...
0
votes
0answers
21 views

recovery of files from the home folder to delete the kernel by accident

I'm starting to use linux and decided to use ubuntu 14.10 mate! one of them was that of an innocent I ended up deleting my kernel system in order to increase the space in the folder/boot ja that my ...