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

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2
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1answer
15 views

Is no reboot kernel patching enabled in 16.04?

So one of the big features in kernel 4.0 is the ability to update the kernel without rebooting. 16.04 has kernel 4.0. So therefore, is the no reboot feature enabled by default? Or if not, is there ...
0
votes
0answers
2 views

QEMU-KVM VGA PCI Pass-Through on ubuntu 16.04.1 64bit

I'm attempting to get a graphic card passthrough emulation under way. this is my first attempt at this so I'm hitting many road blocks I have ubuntu 16.4.1 64bit freshly installed bare metal and ...
1
vote
2answers
31 views

Will Ubuntu 16.04 LTS have 4.5.2 kernel update?

Will Ubuntu 16.04 LTS will have 4.5.2 kernel update? I have a AMD GPU installed so I heard this will fix AMD driver problems.
1
vote
1answer
18 views

How to install a specific kernel version?

yesterday I updated the kernel version to 4.2.0-42-generic through update manager. This unlucky event caused nvidia drivers to stop working, resulting in the famous login loop issue, after rebooting. ...
0
votes
0answers
95 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 ...
1
vote
1answer
18 views

Wrong kernel version returned by uname Ubuntu 16.04.1 LT

uname -a returns: Linux decebal-mobile 4.2.0-35-generic #40-Ubuntu SMP Tue Mar 15 22:15:45 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux but E: Package 'linux-headers-4.2.0-35-generic' has no ...
1
vote
0answers
5 views

Missing entry in grub menu after kernel upgrade on ubuntu 16.04

I just Upgraded my kernels to 4.4.0.31.33 , and the new upgrade removes the old kernels so I ended up without 4.2.0-35 , the one previously used. The problem is that grub does not see the new kernel ...
1
vote
1answer
8k views

How do I get into recovery mode on ubuntu 14.04 if the option not showing

I just boot up my laptop then run the sudo apt-get update command, but there's an error says: [username] is not in the sudoers file. This incident will be reported. so I search the google ...
3
votes
1answer
99 views

How to remove kernels from previous release

See question How to remove kernels from previous release? which is marked as duplicate. I ask this again, because the question is special case and not handled in the answers for the related question. ...
0
votes
1answer
46 views

How to Activate Zswap Successfully for Matlab Computation in Ubuntu 16.04?

Condition: to activate zswap module in Ubuntu 16.04 successfully for Matlab/.... computation Relevant part in /etc/default/grub ... zswap.enabled=1 # NB only change here ...
0
votes
1answer
17 views

How can I install the daily build of the ubuntu kernel into the ubuntu live CD?

I don't have a clear idea of how to put into the live CD the newest kernel build(4.7 at this time) I tried downloading the kernel from here http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/ How ...
0
votes
0answers
10 views

Capturing audit log from auditctl based on the tty type

I am trying to capture all the commands executed by the user using auditctl -a exit,always -S execve. But i want to filter out the background process from this log. I can do this by removing logs with ...
0
votes
0answers
21 views

fulling ram and pcie log error

I installed Ubuntu 16.04 on my Asus pc. On the first day everything was ok but on the second day, when the PC booted a black screen was shown. After booting and looking at the syslog, I saw this ...
0
votes
0answers
9 views

Startup error, tried everything, sudo wont work, apt install wont work [on hold]

lvmetad is not active yet using direct activation during system init volume group allsteelgaming-vc not found I got an update to Ubuntu but this is what pops up please help, I don't know how to fix ...
1
vote
0answers
17 views

configuring kernel build

I hope this is the right place for such question (if not please tell me and I'll move the question). I am building ubuntu kernel, I use instructions in http://www.variwiki.com/index.php?title=...
1
vote
1answer
32 views

How to set default kernel in GRUB without Grub Customizer?

After the recent update I wasn't able to start my system (black screen). So I powered off the PC and turned it on again. Saw the following grub menu: Ubuntu Advanced options for Ubuntu System setup ...
3
votes
1answer
153 views

How to properly copy files from hard drive to USB flash drive in tty4 terminal?

How to properly copy files from hard drive to USB flash drive in tty4 terminal?(mount, copy, unmount, exit, etc) P.S.Can no exit from tty4 terminal via Ctrl+Alt+F7 command, only with Alt+SysRq+B(...
-2
votes
1answer
112 views

Cryptic message about linux-image-4.4.0 when trying to install anything (or upgrade) 16.04

I'm getting this frustrating message. I didn't mess with anything system related. Reading database ... 264956 files and directories currently installed.) Removing linux-image-extra-4.4.0-21-generic (...
3
votes
1answer
24 views

kernel build - cross-compile

I do a cross compile of ubuntu kernel build. I am following instruction for building ubuntu for omap: fakeroot debian/rules clean do_tools=false skipabi=true skipmodule=true dpkg-buildpackage -B -...
3
votes
1answer
294 views

installing Ubuntu on surface pro 4

I have moved from win 10 to Ubuntu 16.04. I've tried following this article and this video, but still have run into problems as the latest kernel version is 4.6.3. I'm still running on the kernel ...
0
votes
0answers
7 views

How to disable USB3 LPM (hardware-controlled power management)?

I have some issues with USB3 flash drives in Ubuntu 16.04. They keep going into U1/U2 mode (see here for more information), occasionally resulting in I/O errors. I already disabled traditional (...
0
votes
0answers
16 views

Kernel Panic mt7601uap

I wanted to create a wifi hotspot on my ubuntu 16.04 with mt7601usb wifi adapter . So I cloned and compiled mt7601uap driver from here which is supposed to be ap only . But after rebooting im stuck ...
9
votes
3answers
5k 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
18 views

Auditing device files using auditd daemon

I am trying to see what commands are typed in my terminal and serial port. For that I am using auditd daemon which helps me in auditing files. I thought of a creating audit rules on /dev/tty and /dev/...
0
votes
2answers
412 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
66 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 ...
31
votes
6answers
15k 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
178 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?
0
votes
0answers
22 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
11 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
130 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
16 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. (...
1
vote
0answers
29 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
76 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
126 views

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

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
27 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
0answers
16 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
31 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
17 views

unable to install kernel headers on android [closed]

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
231k 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
37 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
133 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
22 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
741 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
37 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 ...