Tagged Questions

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

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0
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1answer
138 views

How do I remove old kernel files from /boot and fix a potential error listed in <sudo dpkg --list 'linux-image*'>? [duplicate]

Any help with the following would be very much appreciated: A few days ago I installed the latest stable Linux kernel (3.16.3) and then I used the one liner from here to remove my old kernels. The ...
0
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0answers
17 views

How to convert .iso file to .img file ? [duplicate]

I am making a simple kernel and to try it on bochs emulator , I need to convert the iso of the kernel to img file. I think, it can be done using the dd utility, but I don't know how to do it using the ...
0
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0answers
38 views

Hang in 14.04 when mounting NTFS Drobo via Firewire

I was trying today to upgrade my file/media server to 14.04, which has a Drobo attached via Firewire (lspci identifies the controller as TI TSB82AA2). The new kernel sees the controller and Drobo ...
0
votes
1answer
17 views

Kernel Panic, Can I get specific info from this screenshot I have?

here are the specs for my desktop: Linux Ubuntu 14.04.1 LTS & Windows 7 HP pavilion p6000, AMD64 Here´s the problem details: Kernel panic error (Ubuntu) and Blue Screen of Death (Windows) ...
0
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0answers
71 views

LIS 3.5 under Ubuntu 12.04 LTS

Unfortunately I needed to run an Ubuntu Server 12.04 LTS under a Hyper-V from MS. After install, I pass through big problems with network and i/o performance. The Hyper-V recommend to update the LIS ...
0
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0answers
742 views

How to install VirtualBox in Ubuntu 12.04 LTS: “No suitable module for running kernel found”

I have a fresh 12.04 LTS installation. I have installed linux-headers-generic as well as build-essential. When I install virtualbox, I get the following error: Building initial module for ...
0
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0answers
96 views

kernel make zImage error - No rule to make target vmlinux

I've been searching for a couple of days and I can't find anything on google about an interesting error I get when compiling a linux kernel. I initially thought this problem had something to do with ...
0
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0answers
18 views

creating a copy of a process in linux kernel

I'm trying to create a copy of a task_struct in the same kernel where the copy's original task_struct is. The copy should have a different PID and the state should be same as the original ...
1
vote
1answer
110 views

Why do most of my drivers not load after updating kernel to 3.13.0-36?

I recently upgraded my system with a new motherboard, and reinstalled Trusty to have an AMD64 system (old motherboard was 32-bit). Reinstallation (side-by-side), with 14.04.01 LTS went fine and new ...
0
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0answers
33 views

How to cause a test crash with kdump?

After installing linux-crashdump and kdump-tools according to https://wiki.ubuntu.com/Kernel/CrashdumpRecipe and configuring the latter so that cat /sys/kernel/kexec_crash_loaded prints 1, I'm having ...
0
votes
2answers
75 views

Kernel module needs to be reloaded after boot

I just got my ALPS Touchpad on my Lenovo Flex 2 working (xinput returned "PS/2 Generic Mouse", now it returns two devices: "ALPS PS/2 Device" and "ALPS PS/2 Device") But after rebooting my system it ...
0
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0answers
43 views

Xenomai: /dev/rtheap is missing

I want to use `xenomai . I try to install on my pc. I read this page and did these steps: http://www.stanley.gatech.edu/skelly/uncategorized/installing-xenomai-on-ubuntu-12-04/#comment-3379 But I ...
0
votes
1answer
17 views

How to know where in /dev/ is a USB keyboard loaded?

To be precise, when you plug in a USB storage device, it is loaded in sd something, but where is a usb keyboard loaded in /dev/?
-1
votes
1answer
50 views

newest kernel not loading

I got problem (maybe after automatic update - not sure) with loading ubuntu (14.04 lts) - it is now showing weird graphic during booting - something like this LINK and then black screen insted of ...
0
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0answers
45 views

Removed the wrong kernel

I was updating my Kernel today (or at least trying to) from (I think) 3.13 to 3.17-rc6 and while I was doing it I installed the low-latency kernels by mistake. I then removed some unwanted kernels (I ...
0
votes
1answer
80 views

How to reinstall kernels after accidental deletion with a separate boot partition and an encrypted LVM volume?

My installation is a Ubuntu 12.04 64 bits (Classic "legacy" MBR - No EFI/UEFI here) with two partition : A separate boot partition An encrypted LUKS volume that contains the system Logical Volumes ...
1
vote
0answers
146 views

DVB adapter under kernel 3.13.0-35 and above

I have a Ubuntu 14.04.1 server with a MythTV backend server and a Digital Devices DVB adapter. The server has been working fine, but if I upgrade the kernel from 3.13.0-34 to 3.13.0-35/3.13.0-36 my ...
0
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0answers
56 views

VMWare 8 will not work after upgrade to 14.04

When I try to execute VMWare i receive the message: -VMware Kernel Module Updater --Before you can run VMware, several modules must be compuled and loaded into the running kernel. ---Kernel Headers ...
0
votes
1answer
76 views

Black screen and call stack trace showing after kernel update

I ran an update today which included kernel updates. I left the screen for a while and when I came back all I see now is a black screen with white text containing call stack trace information ...
0
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0answers
12 views

Unable to find my desktop after I boot with a lower kernel

Where is my desktop? My os is Ubuntu12.04.3 3.8.0-29-generic. I reboot the kernel with 3.2.0-23-generic.By sudo gedit /etc/default/grub change GRUB_DEFAULT=saved GRUB_TIMEOUT=2 ...
0
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0answers
61 views

Unable to install GCDemu in Trusty Tahr

After trying to install gcdemu from ppa I always get this error and im unable to install it I get this error (synaptic:6595): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed ...
0
votes
1answer
158 views

ubuntu doesn't boot with initrd.img-3.13.0-35-generic and initrd.img-3.13.0-36-generic

I'm not able to boot with initrd.img-3.13.0-35-generic and initrd.img-3.13.0-35-generic - just drops into a busybox shell with the regular generic message. I though that was something kernel related ...
1
vote
0answers
33 views

How to build kernel with different flags?

Following the instructions here (https://wiki.ubuntu.com/KernelTeam/GitKernelBuild) I built a development version of the kernel. I copied the old config, called make oldconfig and then modified ...
0
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0answers
114 views

Gave up waiting for root device-edited grub and even tried reinstall

After I upgraded the Ubuntu kernel from 3.8.0-29 generic to 3.16.2 i tried to reboot and got dropped to the busy box shell with an initramfs prompt exactly like this Gave up waiting for root device. ...
0
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0answers
44 views

How to recompile kernel in Ubuntu 14.04?

I wanted to recompile the kernel in my present working directory. I used the below command tar xjf /usr/src/linux-source-3.13.0.tar.bz2 as my current version is 3.13.0-32-generic, to unpack and ...
0
votes
1answer
132 views

Error while installing kernel from source

I get the following error when I try to compile kernel version 3.17.0-rc5: Error! Bad return status for module build on kernel: 3.17.0-rc5+ (x86_64) Why do I get this error and what does it mean? ...
0
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0answers
76 views

Ubuntu 14.04 Kernal Panic - kernel bug at /build/buildd/linux-3.13/kernel/timer.c:930!

This seems to happen intermittently, I can't seem to reproduce the it. It happens at least once a day for the last week or so. Quite frustrating! Screenshot I am unable to get a command line to take ...
0
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0answers
43 views

computer does not start

I'm using ubuntu 14.04.1 LTS and everything works fine from the day I installed it. Now when I am trying to start my computer, the screen is continuously stuck with so many messages like this: ...
-1
votes
2answers
89 views

“'version' has bad syntax” error when attemping update-initramfs with -k version

I want to run the following command : sudo update-initramfs -u -k version , but i get the following error message update-initramfs: Generating /boot/initrd.img-version dpkg: warning: version ...
0
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0answers
35 views

When building kernel dbg package with ubuntu kernel repo, got this error “Can't read private key”

When building kernel dbg package with ubuntu kernel repo, got this error: make[1]: Leaving directory `/git/nsx-thirdparty/linux-3.14.17' # Add .gnu_debuglink sections to each stripped .ko # pointing ...
0
votes
1answer
51 views

Unable to install any ubuntu version on my old computer

I have Intel core2duo processor on a Intel G31PR motherboard, 1GB RAM a brand new WD 1 TeraByte hard disk. I am trying to install Ubuntu on my hard drive. But unfortunately, I am getting errors and ...
5
votes
1answer
188 views

How to install 'cdfs' kernel module?

I am unable copy files from 'mpegav' within video CDs in my Ubuntu 14.04. After a extended search now I understand I need to mount the cd using 'cdfs': sudo mount -t cdfs -o ro /dev/sr0 ...
0
votes
1answer
23 views

kernel / initd boot settings

I have 2 seperate harddrives in my pc, one with windows 7 (working) and one with ubuntu. I am unable to boot into ubuntu for some reason :/ I installed easyBCD to correct the windows bootmenu and used ...
0
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0answers
31 views

Some USB ports aren't enabled

I am using Ubuntu 14.04. My computer has an AMD FX-8350 Vishera 4.0 GHz Octal-Core AM3+ processor. My computer has 8 USB ports, but only two of them are active. The processor in the boot enables all ...
0
votes
1answer
73 views

Ubuntu Server compiling kernel modules

I am trying to compile paragon ntfs driver http://www.paragon-software.com/home/ntfs-linux-per/screenshots.html and got “no symbol version for module_layout" error when modprobe loading modules. ...
0
votes
2answers
158 views

Unable to download the source code of linux that I am running

On my machine: root@zaidi:/home/uzair# uname -r 3.13.0-35-generic Also: root@zaidi:/usr/src# ls linux-headers-3.11.0-15 linux-headers-3.11.0-23-generic linux-headers-3.11.0-15-generic ...
0
votes
0answers
36 views

Reporting a subtle bug in Ubuntu 14.04 kernel

Note: I have filed this bug on Launchpad and can be seen at https://bugs.launchpad.net/ubuntu/+bug/1369374. I am reporting it here as well hoping to find a workaround. I have reasonably good ...
1
vote
1answer
119 views

Acer Aspire wifi on Broadcom b43 not working [duplicate]

ck, including userspace. [ 79.694480] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 79.694486] [drm] drm/i915 developers can then reassign to the right ...
0
votes
0answers
58 views

kernel 3.16 update with BF Scheduler

I use an old asus eee pc, and try to boost it up. Actually I use the mainline-kernel 3.16 and found out there is a bfs-patch from http://users.on.net/~ckolivas/kernel/ I want to try BFS instead of ...
0
votes
0answers
206 views

Serial Port not Working on 14.04 LTS Desktop

System Spec : Ubuntu 14.04 LTS Desktop x64 on Dell Optiplex 3020. I am interfacing a VoIP card (TI Manufactured) which can be connected to PC by using serial port(RS 232). Can't Provide More Info on ...
6
votes
0answers
202 views

USB sticks not accessible & system hangs at shut-down: related older hardware?

Please notice the two updates at the end of the post. Original problem I installed Lubuntu 14.04.1 on an older Acer Travelmate 4500 using the forcepae option and adjusting upowerd.py according to ...
0
votes
3answers
166 views

Upgrade Ubuntu LTS to a Version that supports MacBook retina

I have Ubuntu LTS 14.04 with Gnome 3 as GUI installed on my MacBook ( it's a persent ) and some things don not work very well. Like Chromium is eye hurting small and my thunderbold interfaces do not ...
2
votes
2answers
103 views

List all kernel settings to get details about installed devices

How can I find out with which settings my kernel was compiled? I would like to understand the concept behind this. I wonder how I can find out which device uses which module. For example: right now, ...
0
votes
0answers
9 views

Error: you need to load the kernel first [duplicate]

Please help me. I accidentally deleted my grub partition when trying to reinstall Ubuntu 14.10. I have a bootable USB and working windows 8.1 on my computer. I'm stuck in a command line version of ...
0
votes
1answer
53 views

How to unload a kernel module which is in use?

I'm following this tutorial to get my card reader working: http://ubuntuforums.org/showthread.php?t=636867 However I'm unable unload my sdhci module: sudo modprobe -rv sdhci mmc_core mmc_block ...
2
votes
1answer
248 views

Btrfs subvolume @home not mounted kernel upgrade 3.17

i'm having trouble upgrading my kernel to the latest 3.17 rc3 mainline kernel. I'm currently on a patched kernel 3.13 for my Acer chromebook c720p, the 3.17 kernel would give me support for touchpad ...
0
votes
0answers
41 views

Warnings during kernel compiling

I'm compiling custom kernel and during the process I'm getting warnings such as: drivers/isdn/hardware/eicon/message.c:6115:1: warning: the frame size of 1184 bytes is larger than 1024 bytes ...
1
vote
2answers
547 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 ...
0
votes
0answers
427 views

Ubuntu 14.04 kernel update

I have a problem with updating the kernel on ubuntu 14.04, the system detects the updates and the latest version is installed, and unfortunately when I start ubuntu I always find the old version or ...
0
votes
1answer
85 views

Which more can I remove from my /boot in order to get space?

I'm using ubuntu (3.13.0-34). I installed it, left 300M for boot, but seems that it was not enough anymore. I follow some instructions here and removed all older kernels from it. /dev/sda6 277M ...