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

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15 views

Error when trying to remove g15daemon* [duplicate]

When I try to remove g15daemon I come up with this: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be removed: ...
-2
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1answer
19 views

File permissions and applications

How does ubuntu protect against executable files which become executable through another installed app changing the permissions? I mean it is possible to check applications do not change file ...
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2answers
40 views

Does Ubuntu use segments or pages to allocate main memory? [closed]

Segmentation or Paging scheme that ubuntu 12.04 use to allocate the main memory? Does it use both of it? How? If it doesn't use both scheme, so what the scheme that should be use? why?
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1answer
42 views

Installing TP-Link TL-WDN4800 Adapter with Ath9k

I just bought a wireless adapter and am still trying to install its drivers onto Ubuntu. I have looked up ath9k and seen that it is compatible with kernal module ath9k. I'm new to ubuntu and most of ...
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0answers
6 views

Can I access the 4 addresses provided in the mac header of wirless 802.11?

I am writing a module that hooks a function on OUTPUT hook of the kernel netfilter. I want to access the complete information inside the mac header of the packet esp all the 4 addresses or in some ...
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0answers
43 views

Unable to build kernel module in VMware 7

Unable to build kernel module. See log file /tmp/vmware-root/setup-7178.log for details. Apr 05 11:36:38.648: app-3076208320| Log for VMware Workstation pid=5555 version=7.0.0 build=build-203739 ...
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1answer
89 views

Realtek RTL8188CUs

I am trying to use an airlink wifi dongle with RTL8188CUs chip. It has not been going very well. I found a link to a driver installer Download rtl8192cu-tjp-dkms_1.6_all.deb 1.0 MB When I run ...
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0answers
23 views

Loading a proprietary disk driver into Ubuntu Server Initramfs

I have a Revodrive 3 X2, and I am installing Ubuntu on it. I followed the guide by Alex Burgess for a complete fresh copy. I also topped this guide (which works perfectly when using the exact ubuntu ...
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0answers
17 views

Problem during kernel configuration during installation

Installation was about 75% done, when it lingered on kernel configuration. I got a black screen full of code, ending with: [ 594.182790] init: lightdm main process (26464) terminated with status 1 ...
0
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1answer
22 views

Unable to login to my account using terminal

I was trying to add some lines to the end of .bashrc file by following instructions to install rvm on Ubuntu 12.04 , now when i am putting in password after doing a sudo su the terminal freezes . ...
2
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0answers
42 views

Not able to boot ubuntu after windows drive format

I formatted one of the partitions of my Windows 8 drive after which my Ubuntu is not booting. I am using a dual boot system with Ubuntu 12.04 release. On booting, grub menu is displayed properly. ...
0
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1answer
77 views

How to activate Radeon Dynamic Power Management?

I've just installed Ubuntu 14.04, I'm not sure if Radeon Dynamic Power Management is working because the laptop is hotter than my previous Ubuntu 12.04.4 with kernel 3.11 plus adding the kernel ...
0
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1answer
23 views

kernel panic error

I am not able to run any application, due to the fact that my computer hangs, saying "kernel panic". I tried to start the computer in recovery mode, without success. I tried to upgrade the kernel, but ...
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2answers
34 views

Control loading of kernel module automatically

When i do rmmod usb_storage and then dmesg i can see the output saying usb_storage deregistered. But when i attach a flash drive and then dmesg , it says Initializing USB Mass Storage driver... ...
2
votes
1answer
35 views

is it safe to use kernel 3.8 with ubuntu 13.10?

Kernel 3.8 is my last bug-free kernel, kernels from 3.9 to 3.12 all have a SUSPEND/RESUME problem, kernel 3.13 seems to fix the bug but the cpu fan doesn't work any more (stays at low speed even if ...
0
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1answer
38 views

How Ubuntu Desktop Graphical user interface developed [closed]

I am new to Linux development. I know some basics of the Linux architecture, that there are layers such as hardware, Kernel, libraries and GUI. I know kernel and drivers are mostly developed using C ...
1
vote
1answer
519 views

Problem with kernel 3.11.0-19-generic in Ubuntu 13.10 [closed]

A few hours ago Ubuntu (13.10) notified me that an update was available. I installed it, and then Ubuntu told me to reboot. After rebooting I encountered a problem: The login screen wasn't using the ...
1
vote
1answer
31 views

I want to change some of the linux files, how to recompile the linux and reinstall it [duplicate]

I want to make changes to the kernel files /linux/net/ipv4/ip_output.c in my case. I want to add a script to be run that changes the payload of the data whenever a packet passes through the ...
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0answers
81 views

kernel panic - not syncing attempted to kill init exitcode=0x0000008b

I get kernel panic error when I run insmod command to add a module to kernel I want to intercept a clone syscall but after run insmod command, when I run other command like ls I get this error: ...
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0answers
89 views

Netflix (Pipelight) Low Frame Rate With RT-Preempt Patch

Running Ubuntu 13.10 stock, I was getting horrible "jitter" across the entire OS. Meaning that, videos would not play smoothly compared to a TV set, Compiz effects were not smooth, games were not ...
0
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2answers
62 views

How to understand Linux versions

I'm considering purchasing an expensive board and SDK that "works with Linux" which I've learned to my cost to mean "works with some Linux". The vendor has asked which kernel version I have. Using ...
1
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1answer
98 views

With kernel 3.12.15-031215-generic and VMware Workstation 10.0.1 build-1379776 vmware-modconfig --console --install-all failed

Here is the log Stopping VMware services: VMware Authentication Daemon done VM communication interface socket family done ...
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0answers
35 views

Error! Bad return status for module build on kernel: 3.11.0-15 generic (x86_64) [duplicate]

I've installed Ubuntu 12.04 LTS and I have multiple GPUs (R9 280X, MSI Gaming 3g). I've followed the guides on how to install the GPU drivers correctly. Unfortunately, no matter what, during the ...
1
vote
1answer
40 views

Kernel module getting loaded automatically

When i do rmmod usb_storage and then dmesg i can see the output saying usb_storage deregistered. But when i attach a flash drive and then dmesg , it says Initializing USB Mass Storage driver... ...
0
votes
1answer
42 views

Installation fails when installing 64-bit version of Ubuntu but not 32 bit

I have a flash drive with Ubuntu 13.10 on it that I'm trying to install. When I try and install the 64 bit version on my computer I get this error: Kernel panic - not syncing: VFS: Unable to mount ...
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0answers
83 views

How to resolve dependency problems with differing versions between linux-server and linux-image-server

I'm new to linux system. Recently I have noticed my /boot is 100% full and i couldn't update my system. I google for solution for free my /boot space. I found the document How do I free up more space ...
8
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1answer
997 views

HEAD is now at 9e52a21

I am trying to run a kernel module on a Nexus 7 emulator on Ubuntu. I ran this command in the terminal: git clone https://android.googlesource.com/kernel/msm.git Then I want to checkout this: git ...
0
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1answer
25 views

How to add a Package to kernel to make it default package?

I want to add xclip package to kernel to make it default package. Means if I give mine custom version of kernel to someone to install then xclip package should also be installed with kernel. They ...
0
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0answers
9 views

How does the host assigns driver to a USB device?

Where does the enumeration happen? In /usb/core/hub.c ? After the enumeration occurs (the host detects and identify the USB device), how does the host loads the respective driver. Is it by using the ...
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0answers
33 views

Creating Virtual Machines using ubuntu-vm-builder

I'm currently trying to install virtual machines on my Ubuntu Server 13.10. I followed the instructions from this guide. I was able to install and check if my machine is is supported how ever when I ...
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0answers
78 views

Unable to Cross Compile Hello World Device Driver for ARM

I've been trying to build a basic hello world device driver on my Virtual Box installation of Ubuntu 13.10 for a development board running an ARMv5 processor. I know I need to cross compile the ...
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0answers
26 views

How do I replace the TPM driver with my own version

I'm new to linux. My goal is to load my own TPM driver. I'm using Ubuntu 12.04 LTS with kernel 3.13.7. How do I remove the current driver (especially TPM_TIS)? How do I Make my own (command-wise) and ...
0
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1answer
26 views

Is there a way to restore /lib/modules?

I accidentally deleted /lib/modules is there a way to restore this?
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0answers
179 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 ...
1
vote
1answer
38 views

How Ubuntu kernel (3.12) did not trigger realtek 8169 issue?

I have a customized vanilla 3.12.14 kernel which could not work with r8169 ethernet card. Watchdog will through timeout on NETDEV error. This error was reported on multiple distros, on 3.12 kernel. ...
0
votes
1answer
45 views

Kernel editing of my boot loader?

My i686 with server 12.04 386 boots to a black screen. I read a post that said I need to edit the kernel of the boot loader. The installation went smooth except for the black boot screen. How do I ...
0
votes
1answer
45 views

Can I disable the internal speakers while keeping the audio jack enabled?

I have Ubuntu 13.10 installed on my MacBook Pro 4,1 and it is working great. The only problem is that my broken speakers let out static all the time. I somehow broke the speakers while I was repasting ...
1
vote
1answer
80 views

dpkg: error processing linux-generic unmet dependency error [duplicate]

dpkg: error processing linux-generic, un met dependency error when sudo apt-get install -f Setting up linux-image-generic (3.2.0.60.71) ... dpkg: dependency problems prevent configuration of ...
0
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2answers
68 views

Is it possible that I have more than one Linux kernel installed? [duplicate]

I was reading this. It's about detecting installed kernels. KERNELS???!! Is it possible that I have more than a kernel?? How is that??!!!!! ...so I followed the command in the instructions and this ...
0
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2answers
20 views

Empty build directory in custom compiled kernel

I have a script (found here on github) that custom compiles the 3.8 linux kernel (with Xenomai for real-time). The kernel compiles/installs/runs however when I try to install my graphics driver (fglrx ...
1
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0answers
10 views

How can I use the default generic kernel in a UEC Ubuntu Cloud Image?

I download a UEC style Ubuntu Precise image from http://cloud-images.ubuntu.com/ that I want to use in an OpenStack cloud, but I want to make some modifications to it before booting the VM. ...
0
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0answers
16 views

Read CPU serial, boot kernel only on match

I have been advised to come to you here. I'd like to bind a kernel to a specific CPU's serial number on a Raspberry Pi. The serial number is available at runtime to userland through /proc/cpuinfo and ...
0
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0answers
25 views

Where I can find /sbin/hotplug in my kernel source

I am reading hotplug events. And I want to enable automatic loading unloading module, when a new device is added. For that I read that kernel does it using /sbin/hotplug script, but I am not able to ...
0
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0answers
11 views

Installing Linux Kernel Modules without plus + (on ARM)

Installing Linux Kernel Modules of Version 3.4.79, but I always get a foulder with 3.4.79+. How can I install it without the +? Doing it with make ARCH=arm INSTALL_MODULE_PATH=dest modules_install
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0answers
23 views

Capture hrtimer interrupts with linux kernel module .. possible?

I would like to be able to 'capture' an hrtimer interrupt with a linux kernel module and replay the interrupt at a later period in time. Any thoughts on how to go about doing this? Use case: A ...
0
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0answers
104 views

kernel panic not syncing vfs unable to mount root fs on unknown block

Since a couple of days, i can't boot. I have a kernel panic error : And I used boot repair to generate the file below: http://paste.ubuntu.com/7118756/ I tried many things i find on the web related ...
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0answers
71 views

Cannot fine syscall_32.h , header missing

When I run 'make', i get an error saying: make[1]: *** No rule to make target `/usr/src/linux-headers-3.8.0-29-generic/arch/x86/syscalls/syscall_32.tbl', needed by ...
2
votes
4answers
124 views

How does the grub bootloader know?

I am not understanding how it comes to know which kernel image to load? I have so many. Once I had created my own kernel and recompiled. How does it come to know that this is the one to load?
2
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0answers
35 views

Cannot find classmap.h

When i execute: make modules i get the error: make[1]: Nothing to be done for `all'. make[1]: Nothing to be done for `relocs'. CHK include/generated/uapi/linux/version.h CHK ...
1
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0answers
62 views

unable to generate .deb file using make deb-pkg?

I am trying to build my linux source tree. I used following steps : sudo make clean sudo make localmodconfig sudo make menuconfig sudo make deb-pkg But after completion I was not able to see any ...