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

learn more… | top users | synonyms (4)

0
votes
0answers
8 views

Ubuntu 10.4 ETH0 info missing

I have tried finding help regarding this issue at other forums with not much luck hoping someone can help me here. Here is my issue... I am running Ubuntu 10.4 server that's been running good for ...
0
votes
0answers
5 views

Why is there no /proc/sys/kernel/softlockup_thresh

and, more importantly, how can I adjust this threshold for Ubuntu 14.04 server installations?
0
votes
0answers
5 views

Docker warning on cgroup swap limit, memory.use_hierarchy

I am getting this warning from 'sudo docker -d': WARNING: Your kernel does not support cgroup swap limit. even after following the steps (as in this link): modify below lines in ...
-2
votes
1answer
20 views

Setup Error: end kernel panic - not syncing: vfs: unable to mount root fs on unknown block(2,0)

I want to install ubuntu 14.04. When i press "setup ubuntu" the error "end kernel panic - not syncing: vfs: unable to mount root fs on unknown block(2,0)" is appears Even if do not do anything this ...
0
votes
0answers
9 views

How to change the kernel for one of other distro (Gentoo)?

I'm having a "funny" problem with a Acer Aspire One 751h and Ubuntu (and Fedora, and Slackware, and Arch, and Debian, and OpenSUSE and...), where the computer crashes randomly (and the screen shows a ...
-1
votes
0answers
14 views

problem in compiling raspberry pi kernel on ubuntu 12.04,same on ubuntu 14.04

i am trying to compile linux kernel for raspberry pi when i use the command ARCH=arm CROSS_COMPILE=${CCPREFIX} make oldconfig my terminal stuck at Physical address of main memory (PHYS_OFFSET) ...
0
votes
0answers
5 views

wn-block (0 , 0) call trace install

I have big trouble with my PC. i have dual booth ubuntu and windows 7. When i'm recovery my windows 7, i got grub rescue boot. When i boot from USB which contains Ubuntu operating system, i am seeing ...
0
votes
0answers
10 views

Post Boot Kernel Panics

I've been having an issue as of late. It happens when I try to play Dota 2. I get into a match, and sometimes my computer will crash randomly leaving this error: Keep in mind these crashes are ...
-1
votes
1answer
15 views

how to edit /arch/x86/kernel/setup.c?

i would like to add a print statement to this setup.c file and would like to see it in my messages when kernel executes start_kernel()... printk(KERN_INFO "m_name (put your name here): ...
0
votes
1answer
18 views

Need Help to troubleshoot building of custom kernel on Ubuntu 14.04

I need some help about building a custom kernel on Ubuntu 14.04 (Trusty Tahr). It is not my first time to compile kernels, but I faced the problem to build only on Ubuntu 14.04. When I try to build ...
0
votes
1answer
42 views

Who is behind nvidia.ko? [on hold]

Were the files nvidia.ko and nvidia-uvm.ko loaded by the Ubuntu update or were they made by the NVidia corporation? Explanation of question: Consider 2 files that I installed - (1) ...
0
votes
0answers
32 views

D-Link DWA-171 Driver installation problem

Hello so i downloaded official D-Link DWA-171 drivers http://www.dlink.com/xk/sq/support/product/dwa-171-wireless-ac-dual-band-usb-adapter, But when i try to install them in terminal using ...
24
votes
4answers
2k views

Why doesn't Ubuntu remove old kernels automatically?

I wonder why Ubuntu won't remove the old kernels automatically. Surely nothing is perfect and things can go wrong, so in case a update doesn't work, having a backup kernel maybe great. But it would ...
0
votes
0answers
24 views

Why is my kernel not upgraded to the latest version? [duplicate]

My server runs Ubuntu 12.04.5 LTS. I try to keep it up to date as possible by doing sudo apt-get update && sudo apt-get upgrade regularly. So far I was assuming that this would update the ...
-1
votes
0answers
35 views

[Don't Bother Answering]I insert my cd for ubuntu 14.04.02 and it doesn't recognize it, please help [on hold]

It goes like this, my wireless is not working on my laptop running ubuntu, when it was running xp it worked perfectly (my wireless card is broadcom corporation wireless 1397 wlan mini card). So i ...
0
votes
1answer
26 views

Compile kernel module? (Live USB)

is it possible to compile a kernel module on a live USB stick with Ubuntu 14.04 LTS? I have now tried for hours but all my attempts have failed. What i've done. Installed the linux headers. Created ...
0
votes
1answer
38 views

Understanding how the Ubuntu kernel works [closed]

I have been using Ubuntu for a while now and I pretty much go around advertising it everywhere. But I never really understood much about the functioning of the kernel itself. I want to understand the ...
0
votes
2answers
120 views

Why my kernel is not the latest for 14.04?

My kernel is currently Linux scv 3.13.0-34-generic #60-Ubuntu SMP Wed Aug 13 15:45:27 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux But I know it should be 3.13.0-45-generic #74 Why is it not updated by ...
0
votes
1answer
78 views

Can't build Virtualbox-dkms - mismatched kernel and headers

I have previously used VirtualBox on my Ubuntu 14.10 machine, but I had not used it in the last two months. When I tried to start a VM, I got the following error: WARNING: The character device ...
0
votes
0answers
68 views

Ubuntu 14.04.1/2 installation: Unable to install the selected kernel

I am installing a new Ubuntu 14.04.1 on my Server (HP ProLiant DL360 G4) from an USB Stick. The installation runs until the step "Install the base system". Then I get this Message: Unable to install ...
0
votes
0answers
14 views

New ubuntu server hanging… trying to locate root cause

Thanks to anyone willing to help me locating a root cause. I presumably think it is due to limited memory causing the server to halt. After a reboot the machine works for a day or 2 and then hangs. ...
0
votes
1answer
24 views

Cannot install Kernel Security updates in 14.10

I cannot install some security updates to Ubuntu 14.10 (Utopic Unicorn) 64bit, which are kernel updates. Those are the updates. I cannot install them. In settings, I have everything ticked. ...
0
votes
1answer
46 views

Wireless connection issue in Kernel 3.16

I have upgraded my Dell Vostro 1720 laptop to 14.04.2, Kernel 3.16 (from 14.02, Kernel 3.13) but now I have no access to wireless networks. My Broadcom driver PCI is 14e4:432b. I've spent hours ...
0
votes
0answers
31 views

Stuck in upgrade loop

When i want to "upgrade" i get this message sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' ...
0
votes
0answers
16 views

How can i automatically upgrade to mainline kernel

I am using Ubuntu 14.04. I know how to upgrade the kernel manually and I manually upgraded the kernel to 3.18.2. Is there any way to upgrade kernel to 3.19 automatically?
0
votes
0answers
9 views

Unable to resume from stand-by

I usually let my machine suspend to ram after time X. That used to work very well but within the last few days, I have had problems multiple times to wake my machine up and get it back into working ...
0
votes
0answers
16 views

Java algorithm performance difference between Linux and Windows

We observe a very significant performance difference of an algorithm in java between Linux (ubuntu) and Windows. The difference is 3x-4x in favor of Windows. Test machine is i3770 quad core (8 logical ...
0
votes
0answers
33 views

Unable to compile INTEL 82599 driver on Ubuntu 14.04

I am trying to compile the drivers on my machine and I am getting the following errors: ~/ixgbe-3.21.2/src$ make install make -C /lib/modules/3.13.0-46-generic/build ...
1
vote
0answers
27 views

how to fix broadcom drivers for ubuntu touch?

How can i solve my issue to get ubuntu touch running on my phone? I just create new defconfig for Ubuntu Touch to port on Galaxy S2 Plus, after compile it without problems, since my device doesn't ...
0
votes
2answers
50 views

How do I install linux headers when I am getting a “has no installation candidate” error

Primary Problem I am unable to run any virtualization software. Namely Vmware or Virtualbox. Since both of them asks me to install (or produces some error which pints to ) installing build essentials ...
0
votes
0answers
19 views

Segmentation fault at 7f59002b3978 ip 00007f59…(long message)

I was writing a program last night and I was using g++. I was running the program and left it in between to get some food. When I came back I forgot that the program was running and I shut down my PC. ...
1
vote
0answers
32 views

Lubuntu 14.04 boot errors

I'm trying to run lubuntu 14.04 (i386) on a old computer. I set up a bootable usb drive. After I choose to run lubuntu "without instalation" I get these errors: 02064241 pci 0000:00:Oa* BAR 4: error ...
0
votes
0answers
20 views

ubuntu file system memory allocation

While building ubuntu OS image from source how to allocate specific memory to specific folders of filesystem i.e. /home will get xx GB, /sbin will get xxy GB, /bin get yytt GB etc. Is there any ...
0
votes
2answers
25 views

Installed new kernel, but isn't showing

I followed all the instructions found in this guide verbatim. I used the same kernel source linux 3.16 etc. I got through all the steps, rebooted, and when using uname -r, it shows my other kernel ...
0
votes
1answer
48 views

System Settings Missing/Bluetooth Settings/Sound Settings/Programs Missing?

Not sure what happened but all my settings are missing, I cant access any to make changes. When check under the dash not of the settings are showing as been instilled. Not only settings but some ...
0
votes
1answer
47 views

Black borders around windows/apps missing from dash after kernel update on Ubuntu 14.04

I'm having some weird issues with Ubuntu 14.04 64-bit. I updated the kernel to 3.18 (or at least I think I did...) using this guide here: ...
2
votes
1answer
36 views

Kernel Panic block (2,0)

This is my first question here and I'm trying to give as much information as possible: I tried dualbooting Linux Ubuntu (first Gnome then regular Ubuntu) with windows 8 on my Lenovo U310 Ideapad. I ...
2
votes
1answer
176 views

Problem installing Broadcom BCM43142 on HP Pavilion 15-p073TX NB PC

I know this sounds similar but my problem is unique. I have a new HP Pavilion 15-p073TX NB PC. Recently I installed Ubuntu 14.04.2 but was not able to start WIFI. I searched a bit and got some answers ...
0
votes
0answers
20 views

Watchdog for rebooting on keyboardless appliance, if kernel is stuck at startup [duplicate]

I have an Ubuntu 14.04, which occasionally hangs at boot, just displaying Plymouth splash. After removing quiet splash from /etc/default/grub it reveals that last line of kernel log output (virtual ...
2
votes
2answers
14 views

Kernel Panic and weird behavior

About two weeks ago I started experience the weird behavior of my pc. About 5 min or sooner after pc start it's peripherals turn off on both Ubuntu 14.04 and Windows 7 (running dual boot on separate ...
0
votes
0answers
24 views

There are no OS options in Dell Recovery.

I was messing around with partition flags in gparted while trying to resize one of my partitions.I ended up removing the boot flag and I forgot to put it back and restarted my laptop. And now, ...
0
votes
1answer
41 views

bluetooth indicator and other settings not working after updating kernel to 3.16

So, today there was this update for the Kernel to 3.16 on LTSEnablementStack. I ran the command for the update. I notice that a lot of packages are removed, like the bluetooth indicator, but it seems ...
0
votes
2answers
123 views

Broken packages after kernel update to 3.16

On a 14.04 system, I upgraded the kernel to 3.16 using: sudo apt-get install --install-recommends linux-generic-lts-utopic xserver-xorg-lts-utopic libgl1-mesa-glx-lts-utopic ...
1
vote
0answers
21 views

Can't boot Ubuntu, during loading shows error “Could not write bytes:broken pipe” [closed]

I am using Ubuntu 12.04. Yesterday, I replaced my old Intel DH55TC motherboard with a new consistent h55 motherboard for i3 540 processor. After Ubuntu loaded the purple screen, it showed an error ...
0
votes
0answers
14 views

TV tuner Avermedia AverTV Volar HD PRO - 3.2.0 kernel

I'm trying to get my TV card Avermedia AverTV Volar HD PRO working on ElementaryOS (based on Ubuntu, kernel version 3.2.0-76-generic). I've tried some tutorials I've found, but nothing works, ...
0
votes
0answers
28 views

Adaptec 8805 kernel panic on Ubuntu 14.04.1 64bit

I use QUADStor with Adaptec 8805 and constantly falls into a kernel panic by reason of AAC (adaptec) Current driver version: 1.2-0 (30200) Clean installed system with quadstor ... same errors ...
0
votes
0answers
28 views

DualBoot, Ubuntu booting error - Kernel Panic - not syncing

I installed Ubuntu 14.04.1 LTS on a Computer that had only Windows 7 and now I am having an error booting Ubuntu. When I select in the Grub to boot Windows, it works well but Ubuntu seems to have an ...
0
votes
1answer
86 views

Problem installing Wifi drivers dell

My PCI id is 14e4:4365 I am using trusty. I tried to install drivers from this thread How do I install BCM43142 wireless drivers for Dell Vostro 3460/3560? and Broadcom 4365 wireless driver with ...
0
votes
0answers
16 views

My Ubuntu 14.04 wireless is not working

I changed from windows 7 ultimate to Ubuntu 14.04 lts yesterday on an fairly "old" compaq presario-c500-rt155ea and now my wireless is not working. Also as looked for updates it came at some point of ...
0
votes
0answers
19 views

How to check kernel module list at boot time and their order?

I have questions as I wrote title over. We know, we can check loaded module list with command lsmod. By the way, at boot time, what does kernel refer to for loading modules? Any file about that? ...