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

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-1
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1answer
140 views

Low disk Space in Root Filesystem Error

The system gives me the following error: The volume "Filesystem Root" has only 713.9 MB disk space remaining. You can free up disk space by removing unused programs or files, or moving files to ...
0
votes
1answer
275 views

After upgrade to kernel 3.16.0-30-generic I cannot use the keyboard

After installation of 14.10 and the "automatic upgrade" of the kernel to 3.16.0-30-generic from 3.16.0-23-generic I cannot use my keyboard to enter my passphrase for decrypting my physical drive. ...
0
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0answers
77 views

Boot DVD failed w/Kernel panic - not syncing: Fatal exception in interrupt

Trying to install Ubuntu 14.04.1 LTS This is a brand new ASUS w/ Windows 8 pre-installed. I'm not trying to do a dual boot or anything. I've searched the forums and google and have already disabled ...
0
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1answer
67 views

Loading freezes after kernel update

I installed new kernel - 3.19 today, previous kernel is - 3.16.0-30-generic. New kernel with the same configuration that was in previous and grub config is the same too..., instead of vmlinuz and ...
0
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1answer
72 views

Kernel Panic after upgrade to 14.10

My new kernel panics and won't boot after upgrading to 14.10. The output with a stack trace is fed to the screen, but I can't roll up, so I don't know what the problem is. I can boot if I use the ...
0
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1answer
14 views

Loading Session Applications

How does Ubuntu Load previously opened applications on startup? (I want to code and modify that functionality present in the system preferences manually )
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0answers
79 views

Kernel Headers 3.10.18 not found in VMware Kernel Module Updater

I had Ubuntu 14.10 and VMware Player 7.0.0 installed on my Acer Chromebook 11. Wwhen I open VMware, I get the exact same error message as mentioned this thread - "What is the path to the kernel ...
0
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0answers
89 views

Compiling the Davicom driver on RK3188 chipset

I want to compile the module dm9601.c for ubuntu 14.04 on the mentioned chipset. I have read up the tutorials of Ian Morisson, e.g. here and here. I am also failiar with this. On an MK802 IV ...
2
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1answer
3k views

Boot Error - ACPI PCC Probe Failed

ACPI PCC Probe Failed is the error that pops up instead of the default GRUB loader after I updated my kernel to 3.19. I searched around and couldn't find much information except that it is a known ...
1
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1answer
65 views

Double (different) key press detected

I have Windows 8 and Ubuntu 14.10 as dual boot. I have PS2 keyboard. Sometimes randomly (can't reproduce yet) Ubuntu detects multiple different key presses when I press specific buttons. Some buttons ...
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0answers
14 views

T9 keyboard using numeric keys

after bought an gamer mouse, that have 12 numeric keys at left side, i was wondering how to do an T9 keyboard to use that keys on ubuntu? I'm working with java but can't figure out how to integrate ...
0
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1answer
163 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 for ...
0
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0answers
50 views

Cannot compile kernel?

I recently re installed my ubuntu and got it updated to 14.1..it has a generic kernel 3.16 as we all know..however, when I started to compile the kernel 3.19(downloaded from the official site) the ...
0
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0answers
13 views

About TCP/IP Protocol [duplicate]

How to find the TCP protocol version used in older version kernel-2.6.23 & newer version kernel-3.13.0-32 generic #57 ?? I tried to find it in the google, but I am unable to get the answer, ...
0
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0answers
79 views

Firefox crashes not due to plugins-latest FF on Ubuntu14.04

Firefox ver35.0 crashes after running videos for a while or even after seeing many .Gifs on Ubuntu 14.04 I have reinstalled FF and Ubuntu too. No luck. One window says; Must restart FF. Other window ...
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0answers
26 views

SCHED_BATCH policy for schedtool in Ubuntu 14.04

The INSTALL file of schedtool says that the SCHED_BATCH policy (-B) is implemented in kernels 2.6.16+. However, I am unable to use this policy in Ubuntu 14.04 (kernel 3.13.0-45)? The output of ...
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0answers
27 views

<AUDIO> Sharp blips and noise after kernel upgrade

I recently built and started using 3.14.22 kernel instead of default Ubuntu kernel 3.5.57 (that came pre-installed) on my laptop. With this new kernel I get buzzing noise in headphones continuously ...
0
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1answer
63 views

installing valgrind ./configure fails to produce makefile

I'm trying to install valgrind and it looks as though ./configure is failing with configure: error: Valgrind works on kernels 2.4, 2.6. Does this mean that I have to install a new kernel? The ...
0
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1answer
238 views

Reinstalling the 14.10 standard kernel

I tampered a bit with the 3.18 kernel and would like to go back to the standard out of the box kernel of 14.10. How can I do this in a proper way? I executed already sudo apt-get install ...
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0answers
51 views

Openstack + Ubuntu Utopic/Trusty + nr_requests

Anyone know why ubuntu utopic/trusty doesn't allow to change nr_requests and I/O scheduler for instance that is running on the cloud using openstack? echo 129 > /sys/block/vda/queue/nr_requests ...
0
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0answers
34 views

Driver is automatically removed after kernel update

I had a problems with old wi-fi driver, so I have installed newer package, downloaded from the internet. Each time I had updates for kernel - this driver was removed after reboot, so I manually ...
0
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0answers
23 views

Is it possible to reduce the v4l source tree to just the modules I need?

I have a PVR card that needs a number of custom-built modules from linux-media (aka v4l). These are linked to the current kernel so every kernel upgrade, I have to set put the computer in a trance ...
0
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0answers
11 views

Can't read trace of tftpboot kernel panic - too long

I am trying to install a new kernel using tftpboot. When the kernel is loading, it throws a stack trace. It locks up the system so only a hard restart will work. Shift-pgup will not work either. It's ...
0
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1answer
3k views

14.10: VirtualBox “No suitable module for running kernel found”, Cannot Find Kernel Source

After the 14.10 update to VirtualBox, I can no longer run my boxes. Of note, running sudo service virtualbox status returns VirtualBox kernel module is not loaded and running sudo service virtualbox ...
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0answers
41 views

put ALSA as module ERROR

I've got a problem. I have to enable on my kernel ALSA from built-in to Module because I need to install Realtek linux driver for ALC260. If I change it in my kernel configuration and I run make ...
0
votes
1answer
36 views

How is Grub updated after each kernel upgrade?

How I think I got into the problem After the system installation I proceeded to install upstream kernel, changed /etc/initramfs-tools/conf.d/resume by commenting out the RESUME... line and then I run ...
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0answers
22 views

kernel.yama.protected_nonaccess_hardlinks is an unknown key

I want to clear the snapshots of Cassandra using : nodetool -h localhost -p 7199 clearsnapshot but it gives me an exception : Exception in thread "main" FSWriteError in ...
0
votes
1answer
45 views

Massively broken boot and partition system

My machine has a single 2TB HDD, with 3 partitions: /dev/sda1 fat32 512MB /dev/sda2 ext2 244MB /dev/sda3 ext4 1.82TB My 14.04 was complaining of 0 bytes on /boot, so I went in and done a sudo ...
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0answers
30 views

Difference in scheduler, 64-bit vs 32 bit

So I am working on a fairly new linux kernel (3.10.9), and I was wondering if there was a difference in the way the scheduler works from 32 bit to 64 bit. I am wondering because I am running a ...
0
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0answers
271 views

VirtualBox for Ubuntu 14.10 Kernel driver not installed (rc=-1908)

I have this error message: Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. ...
1
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1answer
93 views

How to blacklist zfs kernel module during boot?

How to disable ZFS kernel-module before boot in grub? It is mentioned that some modules can be disabled through grub command line in similar question. Unfortunately this method is not working with ...
0
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0answers
61 views

how kernel gets upgraded on ubuntu 14.04 installation?

There are linux-generic and linux-image-generic packages, that track latest linux-image package as their dependency. Those packages could be used to update kernel automatically but they aren't ...
0
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0answers
30 views

delete the wrong kernel [duplicate]

I just deleted, by mistake the kernel of my ubuntu, with the command line (it was something like purge headers and image generic: sorry but I can't remember the words, it's just a thing i do anytime ...
2
votes
0answers
157 views

Ubuntu snappy not booting

I'm trying to boot Ubuntu snappy on a BBB and after I've corrected the uEnv.txt as posted on ubuntu core webdm alpha for Beaglebone Black not booting it freezes at Starting kernel .... The full upboot ...
0
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0answers
21 views

get kernel panic log

My system keeps hanging every several hours. I think the problem is somehow connected with network, because plugging ethernet cable eliminates the problem (even if ethernet is used locally only). If I ...
1
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0answers
98 views

How to keep linux-cloud-tools-virtual in sync with my kernel?

The Ubuntu 14.04 package linux-cloud-tools-virtual, used for compatibility with Hyper-V, depends on linux-cloud-tools-3.13.0-44-generic. However, the standard installed kernel is 3.13.0-32, which ...
0
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0answers
34 views

kernel panic not syncing attampt to kill init

I'm getting kernel panic error in kvm machine, kvm machine is on lvm storage and we can't boot vm's from CD or DVD. so please help me out from this problem. please find the attached scree shot for ...
1
vote
1answer
86 views

Can't install/remove packages - update-initramfs with little space on /boot

When I try to remove any package, I get (Reading database ... 604878 files and directories currently installed.) Removing bootchart (0.90.2-8ubuntu2) ... [skipped] update-initramfs: Generating ...
0
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0answers
65 views

Logitech USB headset holding up parts of boot process

I am having problems with my Logitech USB Headset. When I have my headset plugged in when I turn on my computer, it takes longer to boot than usual. When I log in, all fonts are not anti-aliased, the ...
2
votes
1answer
57 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
22 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 ...
0
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0answers
129 views

Upgrading Linux Kernel 3.13.0-45-generic to 3.18.4 [duplicate]

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 ...
0
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0answers
25 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 ...
0
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0answers
52 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 ...
0
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2answers
44 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 ...
0
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1answer
76 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
votes
1answer
23 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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0answers
97 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
votes
1answer
496 views

Issue with linux-image-3.13.0-44-generic & linux-image-extra-3.13.0-44-generic [duplicate]

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
63 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 ...