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

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0
votes
2answers
399 views

Dell Inspiron 7559 doesn't work with ubuntu linux

I bought this new laptop and there are tons of problems in installing ubuntu. There is a not full solution here: Dual Boot on Dell Inspiron 7559 laptop It doesn't work for me cause I ended up where ...
1
vote
1answer
4k views

With Kernel 3.5.0-21 the wireless card Realtek RTL8723AE-BT stop working

Yesterday, I updated my Ubuntu 12.04 to the Kernel 3.5.0-21 and the wireless card stop working... In other threads I saw the same problem with another kernels. Anyone have the new driver? I sent a ...
0
votes
0answers
13 views

Problem installing linux-generic on VPS to update kernel 2.6

While setting up my VPS i was stumbling over following problem. Installed is Ubuntu 14.04.4 LTS. I checked the kernel and installed is the really old version 2.6.32-042stab113.10. For getting a ...
30
votes
6answers
14k views

Could not load 'vboxdrv' after upgrade to Ubuntu 16.04 (and I want to keep secure boot)

I upgrade from Ubuntu 15.10 to 16.04 and since then VirtualBox 5.0.18 isn't starting my VMs anymore. It complains that 'vboxdrv' isn't loaded. So I try to load it and get the following error: $ sudo ...
2
votes
2answers
162 views

Install old kernel in ubuntu 16.04

My laptop can work perfectly on kernels up to 3.13.0-85 so is it possible to install the same in Ubuntu 16.04 without affecting it's performance? And if yes then how?
9
votes
3answers
4k views

Why do I get “Required key not available” when install DKMS modules or after a kernel upgrade?

When I try to install DKMS modules like VirtualBox, Nvidia, or Broadcom drivers, they do not install and I get Required key not available. This issue may appear after a kernel update as disabled ...
0
votes
0answers
20 views

Drivers uninstall after kernel update

I have a Logitech g710 keyboard which has extra buttons, so I have to install a driver https://github.com/Wattos/logitech-g710-linux-driver. The problem is, whenever a new kernel update comes out I ...
0
votes
0answers
9 views

Systemd can't analyze kernel boot time?

Is there a way to make systemd plot kernel module times or be aware of Kernel time information? dmesg isn't horrible but I would appreciate something that point me less details like only modules time ...
-1
votes
1answer
60 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
votes
1answer
78 views

Freezing of screen on Ubuntu 16.04

I have recently installed Ubuntu 16.04 and it seems to freeze randomly. I tried to check out the the solutions at Ubuntu 15.10 and 16.04 keep freezing randomly but on installing these kernels, I got a ...
5
votes
2answers
4k views

Update manager stuck in update

The update manager is still stuck in updating the linux kernel (linux-image-2.6.35-24-generic) in the process of updating the grub entries. I think the problem is that the update manager doesn't have ...
1
vote
1answer
14 views

Add a kernel parameter ? `mmcblk.perdev_minors`

In order to see and be able to mount more than 8 partitions in a flash drive (mmcblk), I need to change the kernel parameter mmcblk.perdev_minors. How can I do it ? With a livecd Xubuntu/Ubuntu. (...
0
votes
0answers
19 views

Fanspeed with Ubuntu on ASUS UX501VW

I installed Ubuntu 16.04 on my ASUS UX501VW and the fans are blasting at full speed. I have tried to install the kernel 4.6 (as suggested here) and kernel 4.3.5 (as suggested here), but both didn't ...
6
votes
2answers
17k views

AMD Catalyst Driver installer failing at DKMS

I am following these instructions to install the fglrx drivers. When I am running sudo sh amd-driver-12-6-x86_64.run it tells me fglrx is already installed; even though I ran the commands to remove it....
0
votes
0answers
65 views

How to remove old kernel in 16.04

I am using Linux Ubuntu mate-desktop 4.4.0-24-generic #43-Ubuntu SMP Wed Jun 8 19:27:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux. Just recently I am experiencing problems with updating and ...
2
votes
2answers
120 views

Can't purge old kernels (dependency problems), but /boot is out of space

I'm running Ubuntu 14.04.4 LTS, and I'm trying to install a new package using apt-get. Unfortunately, whenever I try I get messages like: The following packages have unmet dependencies: linux-image-...
0
votes
1answer
23 views

Ubuntu 16.4 desktop End kernel panic - not syncing : attempet to kill init ! Exite code=0x00000009

I use windows and i just wanted to try ubuntu but there is problem when i wanna install ubuntu . would you please help me? I dont know any thing about linux.my laptop is asuse n551 vw enter image ...
0
votes
1answer
63 views

kernel 4.4.0-31 breaks my nfs mount but 4.4.0-28 is ok

I have a problem with the latest 16.04 kernel (it breaks my nas/nfs connection, it says because of file ownerships, but I suspect it is experimental stuff with update/systemd etc). I believe this ...
0
votes
0answers
13 views

How to modify kernel parameters without causing Kernel panic on OS

This is not a duplicate question of kernel parameters, i already cause a kernel panic on my ubuntu 14.04 distribution trying to improve the performance of Nginx and postgresql, i just want to know how ...
1
vote
0answers
23 views

Can't find installed kernel version

I'm trying to uninstall some kernel versions to free up space in /boot. I did kernelver=$(uname -r | sed -r 's/-[a-z]+//'); dpkg -l linux-{image,headers}-"[0-9]*" | awk '/ii/{print $2}' to find which ...
-1
votes
0answers
16 views

unable to install kernel headers on android [on hold]

I am using kali linux 2.0 on android via linux deploy. I tried to install linux header for kernel by following commands: uname -r : 3.10.54+ Then sudo aptitude install linux-headers-$(uname -r) It ...
56
votes
4answers
230k views

How do I install kernel header files?

i want to write a device driver but not able to find the header file can someone please help me find them?Also if someone can point out some important site links that would be really appreciated
0
votes
1answer
12 views

IRQ DMA error fills up dmesg

I recently upgraded to ubuntu 16.04 and my processor keeps running. I checked top and there's a kworker always running. I checked dmesg errors like the following keep be logged: [329479.460021] nand: ...
1
vote
2answers
30 views

Accidentally deleted current kernel [duplicate]

I've been very stupid and while trying to free space on /boot, I think I've accidentally deleted my current kernel. How it happened: >>uname -i linux-image-extra-4.4.0-24-generic now uname ...
0
votes
1answer
84 views

dpkg: error processing (--configure) on Ubuntu 16.04 live USB

I'm using Ubuntu 16.04 on a live USB, under a intel NUC. I've used YUMI for creating the live USB and I have other SO's as lives on the USB. When I boot the USB, I get a pop up error, that says ...
0
votes
1answer
21 views

How to repare corrupt ubuntu12.04 without loss any data?

My ubuntu 12.04 system in not open it shows only black screen on booting time because accidentally i remove some file from media folder like sda1, but i am not sure that this is the main region to ...
2
votes
0answers
738 views

Why ubuntu 15.10 still needs restart to update the kernel?

I upgraded my system to ubuntu 15.10 dev a while ago and the kernel was 4.2.0-14. A new update downloaded kernel 4.2.0-16 but "uname -a" still shows the current running kernel as 4.2.0-14. Linux ...
2
votes
3answers
34 views

Update problems… Errors Errors

I tried everything like removing the 24 kernel manually but no matter what I do this is my output of sudo apt-get upgrade: Reading package lists... Done Building dependency tree Reading state ...
0
votes
1answer
15 views

How can GRUB access initramfs file if its stored in RAID

I am reading about how boot process in Linux works and just cannot understand one thing: If GRUB is the one who copies initramfs into memory and only after that init process starts (which is then ...
0
votes
0answers
12 views

Intel centrino 6205 doesn't work in ubuntu 14.04

I bought a refurbished ThinPad x220 and installed ubuntu 16.04. The problem is that the wireless connection drops periodically while shown as connected. I have an Intel centrino advances-N 6205 ...
0
votes
0answers
20 views

Failed to start Apply Kernel Variables

i am using ubunto 16.04 and have this problem for about a week now, when ever i boot linux, or shut down linux, i get an arror message "Failed to start Apply Kernel Variables" which directs me to see ...
4
votes
3answers
200 views

No network, no usb after kernel update in 14.04

Today I did a regular update for my Ubuntu 14.04 installation on my Dell XPS 13 and the update included a new kernel (I guess it was 3.19.0-65). I noticed that the wireless stopped working after the ...
0
votes
0answers
10 views

How to see boot messages when system crashes during boot?

After installing nvidia drivers, my system is crashing every time during the boot. I would like to investigate the cause of the problem. I would like to know how to see/check the messages that the ...
2
votes
1answer
47 views

Unable to free space on /boot

I have no more space on /boot because of too many installed kernels. So I'm trying to remove old kernel versions but getting an error: $ sudo apt-get purge linux-headers-3.13.0-86 Reading package ...
1
vote
0answers
16 views

Kivy App running. Nothing rendered on App window

I have been using Kivy for over couple of years now. But I have acquired a new machine and something weird happened when I tried running the app. Kivy apps are running, the app window will open, ...
3
votes
2answers
4k 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] ...
1
vote
0answers
25 views

Kernel panic - not syncing: fatal exception in interrupt

There are a lot of posts on this, but I haven't found an answer yet. This happens to me very occasionally, I'd say every two months or so, on a machine that boots automatically ~ 2x/day (it's a ...
2
votes
1answer
17 views

How do I know which programs use a particular file?

I found a file called kernel-4.2.5 in my Home directory and I want to delete it but I don't know what harm that could cause. Is there a way of knowing if that file is being used because my kernel ...
1
vote
0answers
46 views

Ubuntu 16. Startup finished in 1min 32.747s (kernel)

From plot.html that I created using systemd-analyze plot > plot.html, here is I got: Startup finished in 1min 32.747s (kernel) + 18.861s (userspace) = 1min 51.609s Ubuntu 16.04 LTS MyName (Linux 4.4....
0
votes
0answers
113 views

How to add a local file (kernel) to Ubuntu MATE 16.04 install and make /boot FAT32? [closed]

I am attempting to install Ubuntu 64-bit, Mate 16.04 onto ( along with another major Ubuntu based Distro using two different, one for each) MicroSD cards for my new GizmoSphere Gizmo 2 computer. ...
1
vote
0answers
33 views

Apt-get seems to be broken. Cannot install anything

How can I fix this? rimmer@local:/$ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically ...
1
vote
3answers
4k views

Ubuntu 13.10, kernel 3.11 blank screen issue with hybrid graphics

On my HP Envy, which has both an Intel on-chip graphics card and an Nvidia Geforce: *-display UNCLAIMED description: 3D controller product: GK208M [GeForce GT 740M] vendor: NVIDIA ...
0
votes
0answers
38 views

Ubuntu (GNOME) 14.04 just updated, and now cannot login to X server

I have just updated my Ubuntu gnome 14.04 and restarted the computer, Now the system does not load the X and gnome. It is stuck in a black screen, and I can see some text flashes from time to time. ...
5
votes
1answer
183 views

Has 3.19.0-65 introduced new Secure Boot requirements to 14.04 LTS?

My laptop came with 14.04 (Trusty Tahr) LTS. Since then, I have made no significant changes, and I have been applying updates whenever I was notified of them. On 2016-07-15, I was applying updates ...
14
votes
3answers
6k views

Why disabling “Secure Boot” is enforced policy when installing 3rd party modules

When installing 16.04, I was asked to turn off "Secure Boot" if I wanted to install 3rd party modules/drivers. I did not comply. And when I installed manually the only 3rd party drivers I use (bcmwl-...
2
votes
1answer
63 views

Trigger if directory size exceeds threshold

I have written a shell script to backup data to s3 and i want to trigger this shell script when ever the system storage space goes critical lets say when the system reaches 80% of its capacity. I know ...
1
vote
0answers
35 views

Error trying to start Virtual Box to add a .ISO

When try to start a virtual machine I get these error messages: The virtual machine has terminated unexpectedly during startup with exit code 1 (0x1). NS_ERROR_FAILURE Kernel driver not ...
1
vote
0answers
25 views

Slow Boot 14.04

I updated to 4.3.0-040300 kernel to get my wifi working but now booting takes much much longer. I'm using a lenovo thinkpad yoga 460, booting from an external hardrive via usb port and I've deleted ...
0
votes
0answers
38 views

Ubuntu 16.04 Asus UX501VW headphone and touchpad issues

I'm new to the Ubuntu and I'm trying to get it working on my Asus Zenbook UX501VW. I have everything mostly working except for a few things. I am currently on kernel 4.6.4, but I am still having ...
0
votes
0answers
17 views

No suitable module for running kernel found - ubuntu 12.04 on LINODE

I am trying to install VirtualBox with Vagrant in Ubuntu 12.04 on a Linode VPS. Everytime I try installing VirtualBox i get an error saying No suitable module for running kernel found {fail}...