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Questions tagged [kernel]

For questions concerning the elementary OS kernel (which is the same as Ubuntu's kernel), including compiling, and questions relating to modules

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1answer
2k views

Can't get linux-image source

Probably I am missing something obvious. This gives: apt-get source linux-image-$(uname -r) Reading package lists... Done Picking 'linux' as source package instead of 'linux-image-4.4.0-47-generic' ...
2
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1answer
55 views

Any work-around for the performance regression related to external monitors/HDMI?

I know that this is an issue with the linux kernel, but I'm hoping that there is a work-around. I use my laptop as a home-theater machine, connectting it to my TV with HDMI. Unfortunately, since the ...
0
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1answer
123 views

No USB drives recognized on my laptop

I'm having an issue with my laptop, all USB that I plug on the only one USB input (other is USB-C) of my laptop are not recognized. I'm using elementary OS with an updated kernel (I tried to go back ...
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2answers
618 views

elementary OS doesn't shut down

I've got elementary OS 0.4 Loki and it doesn't shut down (black screen with white cursor). The same sometimes occurs with screen lock. Touchpad is sometimes turning off and sometimes the Linux bricks. ...
2
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1answer
2k views

How to update the kernel in eOS 0.4 Loki to solve hardware-related issues?

I recently bought an Asus Zenbook UX305UA and installed my favorite operating system version 0.4. Most things work out of the box. However, I ran into a few issues which are hardware-related, but seem ...
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1answer
1k views

sudo apt-get upgrade error E: Sub-process /usr/bin/dpkg returned an error code (1)

I've been getting an error when I try to run sudo apt-get upgrade. Can you help? Thanks! :~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading ...
2
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1answer
93 views

How to get a specific kernel sources?

I'd like to get the kernel sources related to my installed image. Currently I have the version 3.19.0-39 installed into my VM. When trying to get the sources, I searched into cache using apt-cache ...
0
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1answer
129 views

Kernel “update” to 3.19.0.68.50 after upgrading to 4.4.0-34?

I recently installed the new hardware enablement stack including kernel 4.4.0-34. Today the update manager told me there was a kernel update available - to kernel version 3.19.0.68.50. I haven't "...
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0answers
84 views

Recording with AMD proprietary drivers

I had issues taking screenshots till I stumbled upon someone suggesting alt+ctrl+f2 and then alt+ctrl+f7 to make it where you can take screenshots. Which worked for screenshots. I tried doing this for ...
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0answers
399 views

VirtualBox on elementaryos

after today's update of elementaryos I am unable to run virtualbox machines. The error says The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem ...
0
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1answer
260 views

How to repair the system after an accidental deletion of the kernels?

(newbie alert!). So basically, a window kept pop-in out saying that the volume "boot" has only 0 bytes disk space remaining So I searched for a solution and I found one saying that I should ...
0
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1answer
378 views

Make elementary OS freya boot in 20 seconds

My laptop is dual-booting Windows 10 and elementary OS.Windows 10 boots to the desktop (Chrome opens instantly) in just 20 seconds (including POST which is only 1 sec) while elementary OS Freya takes ...
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0answers
293 views

Hard resetting link after SSD firmware upgrade

System: HP Omen 15-5003nl SSD: SanDisk SD6PP4M-256GB-1006 SSD Firmware: A200906 Kernel: 3.19.0-58-generic I recently upgraded my SSD firmware and it fixed a serious ahcpi freeze bug on Windows ...
1
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1answer
67 views

Can I deinstall bumblebee if not needed?

I run Freya with a 4.2.8 Kernel on a new Intel Skylake NUC i3. Hardware acceleration of the Intel HD 520 works with "i915.preliminary_hw_support=1" in Grub. I don't have any Nvidia hardware. On ...
0
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2answers
573 views

Touchpad has stopped working after kernel upgrade

My touchpad has mysteriously stopped working after I upgraded my kernel, despite having now downgraded my kernel and even tried to restore a previous snapshot using Timeshift. I have one of the new ...
1
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1answer
88 views

How to install the 4.4 kernel on a unbootable system

My laptop does not boot Freya.So I think that I should upgrade my kernel to 4.4.But the system is unbootable and gives a error and does not show the GUI. But how could I do this when it doesn't boot
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2answers
440 views

Should I upgrade the Hardware Enablement Stack? How should I do it? [duplicate]

New important security and hardware support update WARNING: Security updates for your current Hardware Enablement Stack ended on 2016-08-04: *http://wiki.ubuntu.com/1404_HWE_EOL I've read that ...
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3answers
479 views

Trouble with APT, DPKG, SYNAPTIC. Linux-Image-thing

Having some errors after trying to upgrade with apt-get/synaptic. There are several error messages in the output, like: P: Installing debian theme...cp: cannot stat ‘/usr/share/syslinux/themes/debian-...
0
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1answer
619 views

DKMS not running correctly on system update

I have a problem with DKMS building bad modules (insmod reports "Invalid module format"). If i run DKMS manually to build and install the modules it works fine, but when done automatically in ...
6
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2answers
2k views

How to downgrade to a older kernel

I inadvertently updated my Linux kernel to version 4.2.0-30 from 3.19.0-33 and it has broken my WiFi and USB drivers, is there a way for me to downgrade my kernel using some sort of cached version?
3
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2answers
484 views

Elementary OS is unstable when using with a 6th Gen CPU

I just got a new 6th Gen machine and installed Elementary OS in it. Things are a lot unstable. VLC crash, my editor Brackets crash, system hangs. Might be related to graphics? Im not using an external ...
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3answers
383 views

VMware tools failing elementary OS freya to boot up after a kernel update

After updating and restarting elementary OS Freya hangs on the logo screen. I figured out that the problem cause VMware tools. I assume that this guide should help fix it: https://kb.vmware.com/...
3
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1answer
107 views

Freya with kernel 3.19.0-51 fails to boot

After updates my Freya system got a new kernel 3.19.0-51; but after restart Freya booting hangs with this kernel version please see the kernel message below where it hangs It is booting properly ...
0
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1answer
167 views

What are the effects of a custom kernel? [closed]

I have purchased an Asus Zenbook UX305CA with an Elan 1000 trackpad using the I2C bus. Due to a timing error, the trackpad is nonfunctional in most kernels. If I compile a modified 4.5 kernel to ...
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1answer
1k views

how do i change my screen brightness?

My os had some wifi driver problem so i upgraded to linux kenel 4.2.8 .now my brightness setting is not working.I checked How do I change my display brightness? but no luck my icon is missing.
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4answers
2k views

Kernel version in Loki (0.4)? Support for Atheros WiFi hardware

I recently purchased a new laptop by Acer, part of the Aspire E15 lineup, and it seems that the WiFi hardware is not supported with the kernel that is being used by Freya. Since Elementary is an ...
3
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2answers
804 views

Does freya support Intel Skylake CPUs?

I just would like to know if freya 0.3.2 supports the new Intel Skylake chipsets (I'm looking into buying a new laptop that has an i7-6500U CPU). I've read that the new Linux kernel 4.3 will support ...
2
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2answers
627 views

Trouble installing Virtualbox on Freya with kernel 4.4.0

I am having some problems installing Virtualbox on my Elementary Freya. Due to some hardware, I needed to install Linux Kernel 4.4. However, I can't seem to install Virtualbox properly. (I was using ...
0
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1answer
98 views

How do I avoid Kernel 3.19 updates?

I bought a new (high end) laptop recently and elementary OS runs like a dream on it. The bad news is that I had to update the kernel to 4.3* to get everything working properly and I subsequently ...
6
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2answers
356 views

Does elementary OS have TRIM enabled? Is my Samsung 8-serie SSD safe?

There was a kernel bug that made TRIM lose random data. Samsung submitted a patch to the kernel. Is it applied in elementary OS? Or only new kernel versions? Do I need to update? How can I find out ...
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1answer
136 views

Black screen with Linux kernel 3.19.0.41

I have a PC with elementary OS only and after loading screen and elementary logo there is just a black screen instead of login screen. My keyboard acts like it's unplugged, it doesn't respond to num ...
3
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2answers
1k views

Can't install Freya, ACPI PCC probe failed

this is the first time I've ever tried installing Linux (I currently have Windows 10 on this laptop, and would love to get rid of it completely). I'm encountering this error whenever I try to install ...
4
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1answer
292 views

Is it possible to install Freya on a laptop with mixed-mode EFI and eMMC flash?

So I'm thinking about installing elementary on my ASUS X205TA netbook. It has several features that make it very difficult to get a working Linux installation going. Because of the lack of hardware ...
6
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2answers
5k views

ACPI PCC probe failed while trying to install Freya

I'm trying to install Freya alongside Windows 10 on my new PC. It's an Alienware X51 R3 (i7-6700K, GTX 960). I've been using and installing elementary OS in different machines for a couple of years, ...
3
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4answers
6k views

What to do when elementary OS freezes?

What is the equivalent of Ctrl + Alt + Del from Windows on elementary? A keyboard short cut that gets special handling and will allow to unfreeze desktop environment / kill resource hogging processes. ...
0
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1answer
113 views

Backlight not working on toshiba sattelite C660

I am trying to get backlight working on my laptop. It worked on ubuntu before so I don't really understand why it is not working atm. I also tried the vendor flags in grub already. here some extra ...
7
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2answers
3k views

Kernel version is still 3.16 on Freya 0.3.1

At the heart of this upgrade is the latest Hardware Enablement stack from Ubuntu 14.04.3. It includes version 3.19 of the Linux kernel and an updated Mesa that fixes the dreaded “double cursor” ...
5
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1answer
1k views

Is it possible to install a more up-to-date kernel in Freya?

I would like to install a more recent kernel, as of now I have linux-image-3.16, and I would like to upgrade to 3.19 to achieve better compatibility (here's to hoping my GPU/motherboard fans will work ...
2
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1answer
423 views

Easy & safe way to recompile elementary kernel?

(I edited this question to make it more useful for everyone) In order to make the keyboard of my Medion P2213T work I have to recompile the elementary kernel with just a very small adjustment, namely ...
5
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3answers
3k views

How to install correct AMD drivers? [closed]

I've recently installed elementary OS Freya 0.3 on an laptop, but it doesn't run as smooth as on my desktop PC. It's sluggish while opening windows and especially switching pages in the application ...
21
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7answers
11k views

How to remove old kernel versions?

How can I remove old kernels after upgrading to a new version? It is annoying me to have these kernel entries in the Grub boot menu.
10
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1answer
6k views

How to install kernel 4.0 on Freya?

I'm using elementary Freya. Is there any way to upgrade the Linux kernel to 4.0? And by upgrading kernel can we download and install packages from elementary ppa ?