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

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1answer
21 views

Why one would use default Ubuntu kernel instead of latest stable kernel?

I've been using Ubuntu for long time. However, I'm still confused about one issue. Why one would use default Ubuntu kernel(3.16 atm) instead of latest stable kernel(3.18 atm)? Is this only because of ...
0
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0answers
10 views

Ran dist-upgrade to install kernel upgrades and now I can't install anything VNC/remote desktop related

I recently ran some upgrades and noticed that a kernel upgrade was being held back, which I figured was because I had VirtualBox installed with the guest additions (which changes a few things in the ...
0
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0answers
9 views

Boot fail running 14.04 - have boot-repair pastebin

Not sure where next to turn I've tried boot-repair and been given then the pastebin info http://paste.ubuntu.com/9972046/ The error message is that /dev/mapper/ubuntu--vg-root can't be found I can ...
1
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1answer
3k 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 ...
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0answers
46 views

Upgrading Linux Kernel 3.13.0-45-generic to 3.18.4

I wonder that is it possible to upgrade from any linux kernel to any other kernel? I'm having linux kernel 3.13.0 and i want to upgrade to 3.18.4. Release notes of 3.18.4 kernel says that all users ...
2
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1answer
980 views

elantech touchpad - multi touch is not working for kernel 3.13.0-35-generic

I recently updated my kernel to 3.13.0-35-generic,after update my elantech touchpad multi touch stopped working I tried fixing it from here ...
0
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1answer
3k views

any idea what type of error this is - Machine check / Kernel Panic

I have been getting the following problem running Ubuntu 12.10. Basically, it freezes completely, doesn't respond to keyboard or mouse, CAPS won't change and alt+sys req+REISUB doesn't do anything. ...
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0answers
7 views

How can I modify the Ubuntu-12.04 Server ISO to include non-default kernel and headers (lts-raring in my case)

I have an ISO which I am customizing via preseeding. I am able to customize it from the preseeding point of view but I want to do a little more. The ISO image I am using is the standard ...
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0answers
14 views

Boots from old kernel

Ran software update from Manager (Linux-3.13.0-44 is newest). When it finished, I went to Grub Customizer to remove old kernel listings. (Don't always do this, so I had kernels 3.13.0-32, 36, & 43 ...
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0answers
8 views

ERROR: wl_scan_notify_status : wlan0 Scan_results error (-22) direct kernel output to tty

I have been coding on my tty's lately on my Linux Mint 17.1 'Rebecca' machine, and I have noticed that the kernel will start spitting direct output, in particular the error "ERROR: ...
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2answers
28 views

Is there an Ubuntu distribution which is customized to run on the android kernel? [duplicate]

Every android device has a more or less customized kernel. Most of these are open source?!(I am not sure about the "most".) Is there a Linux or even better ubuntu distro which comes with has support ...
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0answers
32 views

unable to delete older kernel image files & folders in Ubuntu 12.04

Prior to posting I have made attempts to find the answers among existing posts, however I was unable to find anything which worked. I am trying to clean up a HD which has only 4GB of free space. On ...
0
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1answer
102 views

Issue with linux-image-3.13.0-44-generic & linux-image-extra-3.13.0-44-generic

I've been using Ubuntu Server for a few months now. I'm getting the below OUTPUT after running sudo apt-get -f upgrade: Reading package lists... Done Building dependency tree Reading state ...
0
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0answers
35 views

A command to resync a frozen mouse or keyboard?

Is there a way to send an interrupt indicating a connection of a new peripheral device? Looking for a standard user command that could perhaps mimic ps/2 mouse connection. My mouse keeps ...
0
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1answer
29 views

How To dist-upgrade Without Upgrading Linux Kernel?

I am using Linux Kernel 3.19-RC5 with Oibaf graphics stack on Ubuntu Gnome and I am currently very happy with this setup. However, there is Linux Kernel 3.13.0-44 & few other packages available ...
0
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1answer
3k views

Error! Bad return status for module build on kernel: 3.8.0-37-generic (x86_64)

After updating some packages in my machine (using aptitude), I got the following error: Error! Bad return status for module build on kernel: 3.8.0-37-generic (x86_64) Consult ...
0
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1answer
117 views

Can't connect to PPTP VPN with ufw enabled on Ubuntu 14.04 with kernel 3.18

Suddenly VPN disconnected and can't reconnect no longer on kernel 3.18.1, so I try to install kernel 3.18.2 but my problem still exist. But I can connect to VPN with 3.14 kernel easily. The output of ...
0
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1answer
11 views

Kernel problem on TOSHIBA

I have a SAMSUNG with following specs Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 Intel® Ivybridge Mobile 8 GB internal memory Ubuntu 14.04 64 bit Since quite some time now, my list of kernels ...
0
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2answers
346 views

AMD Omega drivers don't work with kernel 3.17.6 on Trusty?

I just installed new fglrx drivers on Ubuntu 14.04. New AMD drivers are distribution-specific, so downloaded them. Since it says they re compatible with kernel up to 3.17 version on release notes, ...
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2answers
3k views

How can I install Ubuntu 14.10's kernel in Ubuntu 14.04 LTS?

I have been able to download kernel 3.16 from the ubuntu mainline kernel repository . However, I am more interested to know if the kernel shipped by default with Ubuntu 14.10 can be installed in ...
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3answers
15k views

How can I install 3.16 kernel on Ubuntu 14.04

sudo apt-get update && sudo apt-get dist-upgrade do not show the newest kernel. How can I install 3.16 kernel on 14.04?
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1answer
4k views

How can I revert to the previous kernel version w/out dependency issues?

Since ubuntu updated my install to 3.2.0-37-generic, my laptop fan constantly runs. I never had this issue with the previous kernel versions. To fix this problem, I would like to revert back to the ...
14
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6answers
16k views

How to install “perf” monitoring tool?

Could someone help me to install perf monitoring tool, please?
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0answers
61 views

Cannot remove old kernels or install any new packages

I have spent the last two days googling and mining forums to find a solution to this problem. When I try to install anything i get the same error saying that i have all these old kernels. I have tried ...
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0answers
16 views

Ubuntu 13.11 Kernel panic - not syncing: Machine check from unknown source

My Inspiron N5010 with Ubuntu 13.11 doesn't BOOT and gives the error: Kernel panic - not syncing: Machine check with unknown source Rebooting in 30seconds Current kernel and all recovery modes ...
1
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1answer
4k views

hostapd Failed to update rate sets in kernel module

I'm getting this error launching hostapd with minimal conf Failed to update rate sets in kernel module I've just installed Ubuntu-GNOME 13.04. When I was using Ubuntu 12.04 did not receive this ...
0
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0answers
26 views

swap memory value / percentage meaning

Swap memory can be set between 0 to 100 What Does It means when we set swap memory to .. ? swappiness= 0 Tells the kernel to avoid swapping processes out of physical memory for as long as ...
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3answers
505 views

When will kernel 3.14 be available in the repositories?

I see that kernel 3.14.1 is available for Trusty at http://kernel.ubuntu.com/~kernel-ppa/mainline/ When will this kernel be available for upgrade via the Ubuntu repositories. (I know that I can ...
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0answers
6 views

Compiling and installing a 32-bit kernel on a 64-bit linux

I compiled 32-bit kernel on a 64-bit ubuntu and installed it. But when I tried to boot from it , it gave me an error: Failed to execute /init Kernel panic - not syncing: No init found And ...
0
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0answers
29 views

udev and eMMC rpbm partitions

I'm running into this bug: Fix udev rules to consider mmc rpmb partitions and trying to solve it using a udev rule. I haven't needed to learn anything about udev in the past, so have been reading up ...
1
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1answer
63 views

kernel BUG at /build/buildd/linux-3.16.0/drivers/gpu/drm/radeon/radeon_s8.c:321!

I just bought a new Dell laptop with Windows 8 and am attempting to install Ubuntu 14.10. I used Startup Disk Creator with the PC Intel x86 desktop image to create a bootable Ubuntu USB drive with a ...
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0answers
37 views

Linux Red hat vs Ubuntu , Which is best OS? [closed]

No offence but just asking . Which OS is better in terms of UI Security Linux Commands Popularity 3rd party Softwares available for OS Used by large companies
0
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1answer
32 views

problem in installation of ubuntu in virtualbox :(

i was trying to instal ubuntu 32 bits in virtualbox but i coudn't an error occured he said :"this kernel requires an x86-64 cpu but only detected an i686 cpu unable to boot plz use a kernel ...
14
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4answers
29k views

How do I clean or disable the memory cache?

After the system starts, in a few minutes my memory cache fills up and it starts using the swap. Here's a screenshot of /proc/meminfo. However, if I can disable this process / clean the cache once ...
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3answers
3k views

cannot install Ubuntu (message about PAE)

I received the error message below on the black terminal screen after waiting for a reboot.. I tried to find "forcepae" in the available options but couldn't. Can Anyone please help? ERROR: PAE is ...
1
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0answers
21 views

System Settings crashes immediately when opened after I installed Ubuntu 14.04

Since I've installed Ubuntu 14.04, System Settings refused to open. If I click on it, the mouse just turns into the loading symbol like it's trying to start up, then it crashes, telling me that Ubuntu ...
0
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0answers
58 views

Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

The server suddenly became unusable, I tried a reboot and it fails with the same kernel panic. I booted with splash and quiet removed. This is all I have: Begin: Running /scripts/local-premount ... ...
0
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0answers
12 views

What does “acpi_pm” mean?

While researching clock source kernel parameters, I came across the following terms: tsc hpet acpi_pm If someone could tell me what acpi_pm is as the other two I found googling around.
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0answers
8 views

X-cursor size decreased after Linux kernel upgrade

Compositing doesn't work well in ubuntu-mate 14.04 in kernel 3.13 so I upgraded the kernel to latest 3.19-rc5 where it works awesome. However, my xcursor's size has diminished. I tried changing ...
1
vote
1answer
74 views

Problem installing upgrade 75 on 12.04

Since a recent minor version kernel upgrade attempt - 74 to 75 - I have been getting this set of errors using apt-get ... harveyp@harveyp:~$ sudo apt-get autoremove [sudo] password for harveyp: ...
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2answers
194 views

Upgrading from kernel 3.13 to 3.18 causes Unity not to load, wireless not to work (System specs included)

SYSTEM SPECS: Macbook Pro (64 bit), Ubuntu 14.04, kernel version: 3.13, graphics drivers: nvidia-331 Recently I've been experiencing wi-fi problems on a regular basis in 14.04 with kernel ...
1
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1answer
550 views

Tp_smapi on Thinkpad T440

I have a Thinkpad T440 with Ubuntu 14.04 (using i3wm). I have had trouble installing tp_smapi. I successfully installed it with dpkg -- can't remember whether I used apt or just downloaded it ...
0
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0answers
22 views

Binding device to a driver module

I'm trying to understand better the process of binding a device to its driver. I have an USB tool (In System Programmer for Arduino) whose Id (Product and Vendor) are known. The driver, cdc_acm.ko, ...
0
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2answers
81 views

How to upgrade to the latest Kernel? [duplicate]

I would like to upgrade to the latest 3.17 Linux Kernel because it has support for the Xbox One Controller and I really want to test it out. I am running Ubuntu 14.10 64bit with the latest ...
0
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0answers
11 views

Compile kernel with specific config [duplicate]

I am on ubuntu and would like to compile a kernel + Con Kolivas patch for my netbook (with lubuntu) . The problem is my netbook is 32 bit and my ubuntu pc is 64 bit. If I take the .config from the ...
0
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0answers
25 views

/lib/modules/3.8.13/build folder missing

I am installing a Wi-Fi driver on to my BeagleBone Black with Angstrom running. As I was compiling the driver I got this error root@beaglebone:~/Desktop/WLAN-AIO-OSR/build# make BOARD_TYPE=arm ...
0
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1answer
180 views

Upgrading to 3.18 kernel causes wireless not to work

So I got the 3.18 kernel working on my system (I can boot into Unity now: hooray!). Unfortunately, this seems to have broken my wifi. Wired ethernet is still working, but Network Manager isnt ...
0
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0answers
15 views

How to build extra kernel package that contains aufs.ko module?

How to build extra kernel package that contains aufs.ko module? Thanks. We used these options which did not generate linux-image-extra package for our flavor. AUTOBUILD=1, full_build=true
1
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3answers
2k views

How to install needed Qt packages to build kernel on 14.04?

I'm going to compile kernel on Ubuntu 14.04 64-bit, so I start with installing packages that I need: sudo apt-get install build-essential bin86 kernel-package libqt3-headers libqt3-mt-dev wget ...
1
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1answer
3k views

kernel panic-not syncing: VFS: unable to mount root fs on unknown block(0,2)

I'm so new to Linux and suddenly found the error message appear when i boot after i click install ubuntu Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,2)