General :: What Is The Module That Is Used To Process Font In Kernel

Oct 28, 2010

what is the module that is used to process font in Linux kernel?

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Fedora Installation :: How And When To Load Kernel Module In Boot Up Process?

Jul 19, 2010

For a diskfull node (the OS installed in a disk), I can use the 'insmod' command to insert a kernel module into the kernel. And after the reboot, the module is still in the kernel. I have a question here: how, when and which kernel module will be loaded in the boot up process for a diskfull node?And for the diskless node, can I use the chroot or some other ways to install the kernel modules into ramdisk, so that kernel module can work when the diskless node boot up? I think it needs certain mechanism to load the kernel like the boot up of diskfull node.

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General :: Adding A New Kernel Module To Wireless Driver Module?

Apr 22, 2010

I want to add some code in existing linux2.6.33.2 to enhance kernelI want to know how to start and where to add code.

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General :: Install Module U32 Into The Netfilter Module For Kernel 2.6.27

Jan 30, 2011

I need to install module u32 into the netfilter module for kernel 2.6.27.

I did not see the source code in the kernel version I have. where can I find the code for U32 module.

I have checked "netfilter.org" and looks like POM is discontinued. Is the u32 module committed to kernel version 2.6.27 or need to patch it. If yes, where can I find the patch?

I building the kernel for a MIPS processor.

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General :: Getting Error "invalid Module Format" And "insert Kernel Module" / What Is This?

Feb 22, 2010

What is the error "invalid module format" and the message "insert kernel module" mean? And whats the reason for the same?

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General :: See Which Device Uses Which Kernel Module?

Aug 18, 2010

I have a Samsung phone GT-B3210. For some time I was unable to find working Windows drivers for it. I eventually gave up looking. Then one time I was charging phone over its USB port and booted Ubuntu and was pleasantly surprised when I saw phone's μSD card reader on my desktop. I now need to switch to Gento and would like to be able to work with phone there too. Lsusb tells me it's detected as Bus 007 Device 006: ID 04e8:663f Samsung Electronics Co., Ltd SGH-E720/SGH-E840but lsmod wasn't very helpful. On the list of loaded modules, I wasn't able to find one which looks like it's related to the phone.

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General :: Automatically Load Kernel Module?

Aug 6, 2010

I'd like openSUSE to automatically load a kernel module (e.g. libsas) at boot time even no device requires it. In Ubuntu, you would add the module name to the file /etc/modules. Is this the correct place for openSUSE as well?

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General :: Kernel Module Run In It / User Space?

Oct 25, 2010

I'm pretty new to this whole (micro)kernel architecture story.

Im wondering if a kernel module is running in kernel or in user space?

Is a driver running as kernel module slower than a driver build into kernel?
If so, are there some current articles, benchmarks?

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General :: Recompile A Kernel Module Without Rebuiling It?

Jul 24, 2011

I wish to recompile serial_core module to make a change in the way ioctl works. I don't wish to rebuild the whole kernel package. Can someone point me to the proper method?? I know I will need to download the kernel headers etc. But I would like to avoid the unneeded compiles of things I don't need to recompile.

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General :: Error During Kernel Module Compiling

Mar 13, 2011

I update my last kernl to 2.6.38-rc7 but when I launch VirtualBox, on stdout.The vboxdrv kernel module is not loaded. Either there is no module available for the current kernel (2.6.38-rc7) or it failed to load. Please recompile the kernel module and install it by sudo /etc/init.d/vboxdrv setup.

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General :: Install New Module On Newly 2.6.35-rc5 Kernel?

Jul 16, 2010

Recently I was trying to look into vmware pvscsi modules for newly announced linux kernel 2.6.35-rc2. I compiled the kernel with option: make oldconfig where it asked me for various interactive options and all I did is Kept pressing the Enter ENTER key(Donno if that is the correct way to slect default ).The Kernel Compilation anyway went fine and I can see new kernel at grub screen, booted and it went fine.Now when I explored I found that nor the vmware_balloon and vmw_pvscsi modules are present which means I need to install these modules.I came to know that recently a new version of the vmware memory drivers being included through this page:

[URL]

where you can see an entry like:

Code:

MODULE_AUTHOR("VMware, Inc.");
MODULE_DESCRIPTION("VMware Memory Control (Balloon) Driver");
-MODULE_VERSION("1.2.1.0-K");
+MODULE_VERSION("1.2.1.1-k");

Doesn't it mean that the new kernel has new driver version inboxed?Also, I tried to install modules through modprobe and insmod(seems that this doesnt work) but couldnt do that.

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General :: Write Kernel Module That Will DMA Custom Card?

Aug 31, 2010

I am trying to write a kernel module that will DMA my custom card. Right now when i plug the card into linux no valid PCI device shows up (meaning I probably have a error on my end, i know) however, If I halt the system at startup in the bootloader (uboot) I am able to directly access the card as I know in uboot the physical memory address that is mapped to my device. Is there a way I can access the card in a simliar fashion in linux?

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General :: How To Load A Kernel 2.6 Module With F Force Option?

Jan 21, 2010

I have a loadable module, simple enough I believe it should run on any 2.6 kernel. I want to force the load and test that assumption. How can I do it?

ismod does not seem to notice the -f in 2.7 modprobe has -f but cannot locate the module.No go. So I read the manpage for modprobe which says: modprobe looks in the module directory /lib/modules/'uname -r'.So I copied MYMODULE.ko to /lib/modules/2.6.(the only directory in here) and type: modprobe -f MYMODULE.ko.Still can't locate MYMODULE.ko.I notice there are no other .ko modules in that directory; so I go in deeper to kernel/drivers/char, guessing about the char directory, and copy MYMODULE.ko there.

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General :: Making Sure A Module Is Loaded In The Kernel Upon Boot?

Dec 22, 2010

im doing a school assignement and i cant find any info about this anywhere. How do i make sure that a module is loaded into the kernel upon boot?

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General :: How To Recompile My Module On Boot Time With Kernel

Jan 25, 2010

I am using FC9, I want to write a module that will always show current time after booting.But for that I need not only to load module using insmod/modprobe, but also to compile that module during boot time.How can I perform this 2 steps correctly.

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General :: Writing A Kernel Module And Make Concepts

Mar 13, 2011

i have written some really basic loadable kernel modules. There are a couple of concepts that i'll like to get cleared.

In a tutorial, the Makefile was given as follows-
obj-m += try.o
all:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

I understand that -C option of 'make' changes the current directory to /lib/modules/$(shell uname -r)/build (which depends on my kernel).

Now, my question is why to change to that particular directory? Also M=$(PWD) will hold the dir where i have written the module. Why is it required? What does 'modules' at the end of that line indicate?

Q2> We need to include <linux/module.h> and <linux/kernel.h> in a module. If i am right, the module uses kernel headers for these definitions. But how does 'make' find these definitions.

Q3> We are planning to write a custom scheduler for linux kernel. cat /sys/block/sda/queue/scheduler gives us the currently loaded schedulers. How do we expose our scheduler to linux kernel so that we can use it by switching to it.

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General :: Pass Options To A Kernel Module Through The Boot Parameter?

Nov 4, 2010

I have an issue that is fixed by changing the lpfc driver to run using MSI interrupts. This is done by adding "options lpfc lpfc_use_msi=2" /etc/modprobe.conf.local file.

Is there a way to make this change using kernel boot parameters?

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General :: Kernel Crashed When The Module Tries To Send IPv6 Packet?

Oct 10, 2010

I am facing problem(system gets crash) while I try to send IPv6 packet by using my kernel module. I have given the code and makefile for my module. I will appreciate if any one shares any tester module for sending IPv6 packets.The kernel version that I am using is 2.6.9 and it supports for IPv6.

file name: rtp_pkt_tx.c
#include "linux/kernel.h"
#include "linux/module.h"
#include "linux/skbuff.h"
#include "linux/init.h"

[Code]...

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General :: Lib/module/build And Set Kernel Path Error While Configuring Madwifi

Jul 25, 2010

I am trying to install atheros AR5007EG on my toshiba laptop -i figured out that best way to install this wireless card is through madwifi -while configuring madwifi i get this error

I am posting the output of different commands so you can understand better -i manually tried to link the build directories to kernel-source which failed - i am not sure exactly what kernel source is and how i can link to kernel source -

My output:

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General :: Finding The Process ID Of Kernel?

Apr 15, 2010

How can we find out the Process ID of Kernel? Is kernel in itself not a process which is running and handling the overall system calls and program executions?

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OpenSUSE :: Kernel Module / Building VirtualBox Guest Additions Kernel Modules - Failed?

Feb 10, 2010

I installed openSUSE 11.2 on virtualbox. My host is windows 7. I tried to install the guest additions, but i get an error saying

Code:
Building VirtualBox Guest Additions Kernel Modules...Failed
(Your system does not seem to be set up to build kernel modules)

How should i go about to let my system build kernel modules?

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Debian Configuration :: Nvidia Kernel Module With Custom Kernel

Jan 24, 2010

I have a problem with my custom kernel when I want to create the Nvidia kernel module.After this finished I installed the image and headers and created the Nvidia kernel module. Everything worked fine.However, if I remove the linux-source from my home directory then I can't create the kernel module.Even though I have the headers for the kernel installed.

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Ubuntu :: VirtualBox Kernel Module Breaks After Each Kernel Update?

Jan 6, 2010

I'm running Virtualbox from the Sun website (need the USB support) and it breaks after each kernel update.The problem is that I installed a lot of Ubuntu systems for transitioning windows users with Windows in virtualbox to ease the migration but I have to rerun vboxdrv setup after each kernel patch.

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General :: Slow Down The Kernel Boot Process?

Oct 14, 2010

I'm trying to upgrad from kernel 2.6.32.9 to 2.6.34.3 and I'm having problems.The boot finished with that old gem "Kernel panic - not syncing: Attempting to kill init !"I suspect that it's something to do with my PATA IDE driver because there have been kernel changes in this area.My problem is all the boot messages scroll off the top of the screen before I can read them and it's no use saying look at dmesg or /var/log/messages because the root fs isn't there - another reason why I think it's to do with the drivers.So my question is, is there some way I can slow down the boot process so that I have a chance of reading the messages ?

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General :: Kernel With Non-preemptive Process Scheduling?

May 1, 2010

how to modify kernel source to make its process scheduling to non-preemptive and FCFS ?

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General :: Pipe Kernel Messages To Another Process As They Occur

Apr 13, 2011

I have an OLED screen on my laptop that I have configured to show status information. The current driver I have installed in Linux for it is able to display messages by sending them to a script as an argument separated by spaces.Example: the command /opt/asusg50oled/utils/notify.sh Hi Everybody "Hello World" displays on the oled screen:

Hi
Everybody
Hello World

If another message is sent before the old ones disappear and it reverts to status info, it pushes off the top message. Example: less than 30 seconds after the previous example, /opt/asusg50oled/utils/notify.sh "Bananas have potassium" is executed:

Everybody
Hello World
Bananas have potassium

What I want to do is have kernel messages (the kind you see by running dmesg) forwarded to this script. For example, when I insert a USB drive, the following information would show on the OLED screen as they're logged:........

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General :: Find A Relative Statement Of Each Kernel Process?

Apr 23, 2011

as the title,I want learn how it works.

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General :: Create And Install All Relevant Font-metrics And Fontmaps Of A TrueType Font For (pdf)TeX?

Jul 9, 2010

Essentially I have found this guide, but it is for miktex, i need a guide for texlive on Debian/Ubuntu which will not pollute dpkg installed texmf.

I'm interested in converting TrueType font to be usable in (pdf)(La)TeX.

All the power google turn up just stuff f relating how to install microsoft fonts or do stuf on MikTeX.

I CANNOT USE XeLaTeX!!! I use pstricks and the font must be available in plain TeX! Otherwise my document looks inconsistent!

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General :: Missing Glyphs In Terminus Font - Setup A Fallback Font?

Jul 8, 2010

Most of my work happens in a terminal, so I need a clear, readable font. I've settled a while ago on Terminus [URL]..., which works wonders for me. I added XTerm*faceName : Terminus in my ~/.Xdefaults, and I do get the Terminus font. Unfortunately, a lot of Unicode glyphs are missing (mathematical symbols, greek and hebrew letters), displaying as little square blocks instead.

If I remove the faceName entry, the default configuration seems able to display most of the glyphs (including math, greek, hebrew, runic, and whatever else), but the default font is much harder to read.

A google search hints that it should be possible to use Terminus as the default font, and fallback to (an)other one(s) for missing glyphs, but provides no further explanation. I've seen documentation that recommends Bitstream Vera Sans as a fallback, but it lacks the glyphs I need too; I don't know how to identify the default font used by xterm either, I had a look at /usr/share/X11/app-defaults/XTerm, but all I can find are generic references to old pre-fontconfig font names.

Using Gentoo Linux, fontconfig and xterm are up to date, USEs trutype and unicode enabled, X.Org server 1.6.

Edit: I alternate between Ratpoison, Awesome and XMonad, without a desktop environment.

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General :: Kernel Panic On Boot - Authentication Process Failed

Feb 22, 2011

I got home today to find that my KDE login screen would not let me log in. It said the authentication process failed or something and I needed to terminate the screen lock process manually. So I go over to another virtual terminal and try to log in. As soon as I enter my user name, a bunch of errors come up and I am unable to log in. "This can't be good" I think to myself, and reboot.

I am greeted by this error upon booting:
The error says that it says it cannot find /sbin/init. I loaded up a Ubuntu live CD and verified that /sbin/init is indeed present and all my other files still seem to be there. I tried booting into arch fallback on grub but that didn't work either. Midway through the day I SSHed my desktop from my phone and started it doing an upgrade. I was able to login.

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