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

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9
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2answers
4k views

Hardware Enablement Stack (HWE) out of support

From yesterday my update manager gives me this message: Your current Hardware Enablement Stack (HWE) is going out of support on 07/08/2014. After this date security updates for critical parts ...
1
vote
0answers
41 views

Hangs On or After fsck from util-linux 2.20.1

I have a box running at DigitalOcean with Ubuntu 12.04 It's rare that my system will boot or takes forever - normally it just hangs / chokes. A reboot from a remote shell used to be pretty quick and ...
1
vote
0answers
14 views

How can I free up space in my /boot partition? [duplicate]

My /boot partition is full. Every time when I reboot I get the warning for that. Here below is a list of the contents of /boot. /boot/grub /boot/lost+found /boot/abi-3.5.0-44-generic ...
1
vote
1answer
14 views

CGroups memory subsystem

I want to know if I can set dynamic limits to the memory subsystem in a cgroup. Currently I have the OOM disabled and a dummy process to test the control group, when the limit in memory is reached, ...
1
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0answers
20 views

Adding Kernel to a disk image without 'installing'

In order to download a disk image from my Ubuntu 10.04 LTS based VPS, I setup Ubuntu 14.04 LTS (in VirtualBox) and used DD over SSH. I wrote the image to a vdi drive, hoping to be able to boot it in ...
1
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0answers
23 views

Ubuntu EC2 compatible kernels

I am trying to create an Ubuntu 13.10 64 bit AMI with the paravirtual type of virtualization. I have not had problems with the hvm virtualization. I can't figure out what kernel I need to use. For the ...
2
votes
0answers
25 views

Ubuntu not loading - kernel panic

Installed Ubuntu on new laptop with Win8.1 installed from USB key. Worked fine and could dual boot. Installed updates and rebooted when instructed Got following message when booting into ubuntu: ...
1
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0answers
76 views

Problem upgrading from Kubuntu 12.04.4 to 14.04

Good morning, I have Kubuntu 12.04.4 LTS and would like to upgrade to 14.04 LTS. I tried to follow the instructions at https://help.ubuntu.com/community/TrustyUpgrades/Kubuntu/12.04LTS but after ...
-1
votes
0answers
35 views

Ubuntu 14.04 freezes on intel Nuc

I have ubuntu 14.04 server setup on Intel Nuc DC3217BY, problem is that sometimes ubuntu freezes. Since I'm new to linux, hope someone can help me. Here is log file before the crash. Jul 4 19:26:36 ...
4
votes
1answer
129 views

nVidia driver reset after each kernel update

I am using the official nVidia driver because my card (GeForce 750 Ti) isn't yet supported by the Ubuntu one. Every time the kernel updates, my system breaks. I've formatted my system two-three times ...
0
votes
1answer
221 views

Ubuntu 14.04 Kernel Update 3.13.0-30.55 made my Laptop CPU gets overheated

I just received an update to the linux kernel of Ubuntu 14.04 from 3.13.0-30.54 to 3.13.0-30.55. After I upgrade it the CPU on my laptop is around 70 to 80 Degree Celsius. while on the previous kernel ...
0
votes
0answers
65 views

Kernel panic - not syncing: Vfs unable to mount root Ubuntu 12.04LTS

I know this question has been asked a lot of times in this forum but i didn't find any particularly suited to my situation yet (if there are feel free to redirect me to them). I am using Ubuntu 12.04 ...
0
votes
0answers
35 views

Booting into current kernel disables networking, virtual keyboard

I have a PowerEdge 300 running Ubuntu 14.04 LTS. A couple of dist-upgrades ago, my SSH connection died partway through and I can no longer boot cleanly. If I boot in to the current kernel (3.13), I ...
0
votes
0answers
8 views

android development environment for ubuntu 14.04 [duplicate]

I have installed 32bit ubuntu 14.04 on my old laptop . i want to setup android development environment to build kernel. please guide which version of android kernel should i use and if there is easy ...
0
votes
1answer
70 views

Xubuntu 14.04 Kernel Panic

I am trying to install Xubuntu 14.04 desktop i386 on an older PC (~2002) by using Plop Boot Manager and a bootable USB flash drive. The installation process begins but eventually crashes with this ...
0
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0answers
15 views

Sierra WWAN Kernel Module Acting Strangely

So a few days ago I installed Zorin OS (basically, Ubuntu with a Windows-like desktop environment) on my grandmother's computer to save it from the slowness of Windows 7. Now, since she uses an ...
0
votes
0answers
30 views

Hyper-V console input weird characters

I am currently testing remote console access into an Ubuntu 14.04 VM running on Hyper-v 2012 R2 using WMI and incomplete/weird characters are being sent from Hyper-v in place of the actual login ...
0
votes
0answers
39 views

Kernel panic after installing 64-bit Ubuntu

recently discovered that my computer was 64-bit, and not 32-bit as I had originally thought, so I tried to install 64-bit Ubuntu. The live session (on a flash drive) booted up fine, and I installed it ...
0
votes
1answer
58 views

What kernel does Ubuntu Studio 14.04 use?

Is it the "rt kernel", the "lowlatency kernel" or the "realtime kernel"? I can't find any source that specifies (weird!). However some sources say that in 13.10 the used kernel was the lowlatency ...
0
votes
0answers
20 views

Ubuntu: Trouble with modprobe: 'Invalid Module Format', yet works after insmod

I am having a problem with Ubuntu not properly recognising a custom made kernel module. The kernel module is a spoof of raw1394 so that programs that look for the presence of a raw1394 module in ...
0
votes
0answers
23 views

Many files in /var/lib/dpkg/info/ corrupted; how to recover

When I run sudo apt-get (anything), I invariably get this error: dpkg: unrecoverable fatal error, aborting: files list file for package 'thunderbird-gnome-support' is missing final newline E: ...
0
votes
0answers
12 views

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [duplicate]

When I upgraded to Lubuntu 14.04, I was greeted with this error. I have since booted into a live cd and ran bootinfoscript to see if I could determine what's wrong. But I'm not entirely sure what to ...
1
vote
0answers
29 views

12.04: Kernel panic - not syncing: Attemped to kill the idle task!

My parents got this error on their machine, so I'm not sure what triggered it. My dad says it just happens randomly. It apparently happens every couple of days, but this is the first time I've been ...
0
votes
0answers
34 views

Mysql failed to start

i tried to restore a db backup to a newly created database, suddenly its starts showing error. Can't connect to local MySQL server through socket /var/run/mysqld/mysqld.sock so i checked ...
1
vote
1answer
144 views

Error while upgrading kernel

I am trying to upgrade the kernel: (synaptic:22238): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed Väljer tidigare ej valt paket linux-image-3.13.0-30-lowlatency. (Läser ...
0
votes
1answer
23 views

Network booting could't find kernel image

I have a problem with PXE booting. I followed this instruction on official website. But I get an error on client machine: Could not find kernel image: vmlinuz-3.13.0-24-generic And now, question. ...
0
votes
1answer
55 views

3.13.0-30 kernel issue will not log in / sign in

I did a recent update with the new kernel 3.13.0-30 seemed fine to start with booted to the desktop but after sign in just hung with only mouse inputs seeming to work and nothing else no menu our ...
0
votes
1answer
119 views

Problem installing WinBUGs with Wine

On 64-bit Ubuntu 14.04 (Linux kernel 3.13.0.30.36) I'm trying to install the WinBUGS Markov Chain Monte Carlo software with Wine 1.6, but after wine WinBUGS14.exe I get the following error message: ...
0
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0answers
14 views

Compiling a (specific) kernel module

I'm looking to compile a .c file which is said to be a kernel module. I tried to create a Makefile but still got errors. Specifically I am trying to compile https://github.com/JanmanX/HID-Apple This ...
0
votes
1answer
19 views

cannot find command added to Path - sail_align

I'm trying to build sail_align programm by following these instructions. So far everything went OK and I've completed the last fourth step without errors: 4) sudo ./Build install This command will ...
0
votes
0answers
14 views

missing sbin/hotplug in Ubuntu

Im using Ubuntu and I cannot find /sbin/hotplug. did anything replace it? how does it handle hotplugging? I read that kernel calls it for notifying user space when hotplug event happens. I also ...
1
vote
0answers
66 views

make [1] leaving directory error

When I run make command for patching CRCN on ns2 under Ubuntu 12.04, I am faced with this error: make[1]: Entering directory `/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/cmu-scen-gen/setdest' ...
0
votes
0answers
16 views

Want to know how how secure my system is with current settings

My system is at kernel 3.15.2 Mainline. I have Enabled the firewall with all ports closed. I have very strong passwords set for BIOS, Drive Encryption, and login SSH is Disabled. I have installed ...
0
votes
0answers
135 views

Guest Additions on Ubuntu can't find kernel headers

EDIT: Installing the lastest VirtualBox version made it work. I can't install VirtualBox's Guest Additions on Ubuntu. I've already did this, sudo apt-get install build-essential ...
0
votes
1answer
38 views

determine if you have a 64bit processor [duplicate]

I would like to find out on the console if my processor is 64 bit capable. I can find out that I have installed the 32 bit version of Ubuntu with uname -a If it doesn't contain 64 at all, then I ...
0
votes
1answer
114 views

Kernal panic on fresh 14.04 install on Barebone Brix Pro i5-4570R

I recently upgraded from the smaller AMD barebone brix to the brix pro. The new PC seems to make Ubuntu 14.04 crash on boot, a bug which I can't see anyone with the same PC having (too early?). I've ...
0
votes
3answers
61 views

How to add memory or delete files to \boot volume? [duplicate]

I have only 6 free Mb on "boot volume". How can I find for not-used files to remove? Or is it possible to add memory to this unit?
0
votes
0answers
623 views

Can't upgrade kernel to 3.13.0-30 on 14.04

I think I broke something with apt on my system. I'm trying to update the kernel to 3.13.0-30, but when I run apt-get I'm getting the following output: Reading package lists... Done Building ...
0
votes
0answers
85 views

How to make Huawei 4G module ME909u-521 work on Ubuntu?

I'm having some trouble having an Internet connection on 4G with Ubuntu (latest version, latest kernel). I had no trouble making my Huawei E3276 LTE dongle work. Now I'm trying to connect my ...
0
votes
1answer
178 views

Black screen on boot with Ubuntu 14.04 LTS and Kernel 3.15

I've installed Kernel 3.15.1-031501 and today 3.15.2-031502 because with 3.13 my HP 6730s has wrong fan control. But with both 3.15.1 and 3.15.2, after grub selection, something like 50% of boots ...
0
votes
0answers
15 views

Non Sudoer Access to a Kernel Module

Is it possible to access a kernel module if a user is not sudoer? I am trying to access a KVM, which is kernel module, as non-sudoer but I am getting an error: Could not access KVM kernel module: ...
0
votes
0answers
28 views

issues after cleaning out old kernels and system update resulting in latest update 3.13.0-30-generic

I just had an issue running system update (not enough space on /boot). So I found a solution on askubuntu suggesting that I free up space by deleting old kernels. So just to play it safe I only ...
2
votes
0answers
23 views

How to safely update software with a non-standard kernel?

Background I have an Asus UX302LA laptop running Ubuntu 14.04. As the default kernel mainline (3.13.*) is incompatible with the GeForce graphics card it ships with I switched to to a ...
0
votes
1answer
45 views

Lost wireless connectivity after installing older kernel

I've successfully reinstalled the 3.13.0-27-generic kernel but now I don't have wireless connectivity. I know I did the last time I booted up with that kernel. HELP!?
0
votes
1answer
55 views

Which kernel to choose during install

When installing 14.04 from the mini iso, I have to select which kernel to use. I have simply been choosing linux-generic-lts-trusty without giving it much thought. Should I choose one over another ? ...
-1
votes
1answer
31 views

Error in Installing Ncurses!

I am first time working on LFS 7.5. i stuck due to an error while installing package ncurses. Please help. Thanks in advance!!! Error when I make install /sbin/ldconfig.real: Can't create temporary ...
0
votes
0answers
88 views

RTL8192su driver compatible with 14.04 running kernel 3.13

I need some help with some older wireless adapters working with Ubuntu 14.04 running kernel 3.13. Trying to install: Linux Driver RTL8192su - This driver supports RealTek rtl8192SU USB Wireless ...
0
votes
1answer
48 views

Installed 14.04 Ubuntu desktop ..want to upgrade kernel

Whenever I boot into this OS, Im encountering lot of bugs which are making the system unstable and stop functioning. I have frequently found this error bug soft lockup - cpu#0 stuck for 22s ...
0
votes
0answers
31 views

Installing linux-headers-2.6.32-042stab085.20

I am trying to install virtualbox-4.3 on a VPS hosting which has Ubuntu 12.04 and kernel version : uname -r ==> 2.6.32-042stab085.20 When I try to install it, I get the following error: ...
0
votes
2answers
36 views

name of the file from /proc that is used to pass information from boot-loader to kernel

I am revising for LPI exam ,and i cannot know this information which is : the name of the file resides in /proc that is used to pass information from boot-loader to kernel ?