The main component of most operating systems, the kernel manages most of a computer's communication between hardware and software. Typically, the kernel is the lowest level of abstraction a programmer can have to a resource.

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Making hardware profiles for Linux installation

So, I've got a ArchLinux installation on /dev/sda11, and I've imported it into VirtualBox using raw host partitions. Right now, I can boot it both directly and through VirtualBox. The problem is the ...
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1k views

Kernel data types u8, u16, u32, u64 not resolved

I am trying to compile some files related to wireless subsystem (mac80211) which use datatypes u8, u16, u32, u64. These are not resolved. The header file being referred to is linux/types.h which is ...
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848 views

Ubuntu Natty: 32-bit userland, 64-bit kernel?

I'm trying to manually install a 64-bit kernel for 32-bit Ubuntu. I have my reasons for doing so, but they're too complicated to explain here. Prior to Natty, this worked fine. Now, on Natty, I get ...
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17 views

Debugging not-loading Windows XP x64

The question is related to this one: Windows XP x64 hangs at welcome screen. So I want to debug WinLogon.exe through Windows Kernel-Debugger remotely using an 1394 (Fire Wire) port on the system asked ...
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17 views

Syslogd: hardware error

The machine has been sending these messages to the terminal, paired with beeps from the speaker on the motherboard. These messages appear every 5 minutes, sometimes naming CPU2, sometimes CPU3. ...
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84 views

how to resolve kernel_security_check_failure

I am trying to re-install my Nokia-E5 software by Nokia suite ,I have windows-8.1 OS on my laptop , I am getting this error kernel_security_check_failure . And my laptop restarts. I have no idea how ...
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521 views

What does this mean: considerRebuildOfPrelinkedKernel prebuild rebuild has expired

A line I accidentally spotted in system.log on MacOS X 10.9.1 when I connected an external USB webcam for the first time ever.... Subsequent connects to the usb port did not produce this message ...
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5 views

How to approach searching for sources of interface unresponsiveness

On Debian Linux: On a relatively powerful machine I ran an update and both the kernel and the window manager got updated to newer version. At that point the machine become noticeably less responsive: ...
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166 views

Problems with mounting HFS+ drives

I have a problem mounting some hfsplus drives. I just need them mounted readonly. (disabling journal is not an option) I did a lot of research and found out that due to changes from kernel version ...
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0answers
50 views

linux + squashfs-tools for red-hat 5.3

I want to install the squashfs-tools-4.0-5.el6.i686.rpm But I have the following dependencies ( after RPM installation ) please advice what the additional packages that I need to install on my linux ...
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0answers
37 views

How can a driver change the kernel page table?

I am encountering an issue with kernel memory. When my driver finishes running, the other processes in kernel fail to run, for example, I do "ls" command, the command crash kernel with error ...
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129 views

Linux kernel 3.9 new storage features howto?

Linux kernel 3.9 has been released, which brings new features for storage cache devices (dm-cache), as well as BTRFS RAID 5/6. These features are undoubtedly sexy, but are all but completely ...
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78 views

-kernel option like in QEMU for BOCHS

I am working on creating my own kernel using C/Asm. I have always used QEMU as my emulator mainly because I can specify -kernel and it boots the kernel directly without a boot loader. I wish to switch ...
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0answers
280 views

How to find whether setcap is supported in Linux

I have a libpcap based application. Now, to allow non-root users to use my app, during installation , i use setcap setcap cap_net_raw=ep /bin/myapp But, in case the Linux Distro on which i install ...
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0answers
211 views

USB Mass storage driver as CDROM in Windows & MAC

I am in the process of enumerating a Hybrid ISO image which will show up as CDROM in Windows & MAC and encountered with the following problem. Hybrid ISO image is created with the following ...
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0answers
512 views

SELinux issues when adding rules

On my laptop I use Fedora 17 distro for the first time and I'm having some issues adding rules to semodule An example: # grep httpd /var/log/audit/audit.log | audit2allow -M mypol # semodule -i ...
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50 views

Swapping laptops while keeping current systems (kernel)

I am going to be getting a new laptop from HP soon, due to a faulty part, and they are giving my an upgrade. Almost all of the specifications will be changing, but I'm not keen on reinstalling my ...
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0answers
113 views

Ubuntu alternate install CD kernel modules

I'm using Ubuntu alternate install CD to customize the installation process. I have a hardware that uses Realtak 8188CE chipset for wireless network. If I boot into a LiveCD environment I can connect ...
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173 views

Syslogd kernel:code:

While running some experimental Java code which interacts with a MySQL server, I received these messages and then the server crashed: Message from syslogd@localhost at Jun 20 20:04:12 ... ...
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334 views

ARM Linux kernel debugging on AT91SAM9261

I have ported Linux to AT91SAM9261 board, I have compiled my own Bootstrap, Uboot, Kernel and filesystem. Now I want to debug my Linux kernel 2.6.30 using KGDB and GDB. I have host with Ubuntu ...
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523 views

How to change hdd read error timeout?

I'm recovering data from an hdd using ddrescue. With "retry" disabled, it takes roughly 30 seconds for every unreadable sector. The hdd has tens of thousands of bad sectors and the process is taking ...
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2k views

Packet drop measured by ethtool, tcpdump and ifconfig

I have a question regarding packet drops. I am running a test to determine when packet drops occur. I'm using a Spirent TestCenter through a switch (necessary to aggregate Ethernet traffic from 5 ...
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22 views

Debugging linux kernel, SIGKILL

Trying to debug linux kernel (vmlinux) with gdb during my education, but after I run kernel I just got "program terminated with SIGKILL": gdb vmlinux-3.11.0-12-generic ...GDB header... Reading ...
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18 views

Downgrade fedora 20 kernel

I want to downgrade fedora's 20 kernel (3.11) to version 2.6 because I have a package that only supports that kernel. I have looked everywhere for 2.6 kernel for fedora 20, but with no luck. If I try ...
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17 views

Copy from Debian to mounted CIFS share hangs

I have a backup script run by a cron job on my Debian server. It creates a .tar.gz file from /home and copies it to a mounted CIFS share onto a Windows XP machine. It has been running without a ...
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15 views

Linux Mint won't poweroff, only reboots

I have a very strange problem with my Linux Mint. I'm using it on a lap HP455 and actually everything works fine except that when I have try to shut it down Linux will only reboot indefenitely. I've ...
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25 views

Apply binary patch to linux kernel image

I have a kernel image. The sources are somewhat lost and I dont want to migrate to a recent version (embeded software, custom (patched) linux kernel 2.4.24). I want to make a simple operation: ...
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16 views

Need To uncompress the initramfs file

I am new to this Linux Kernel and I am trying to boot a board from the usb and I was sucessfull Now My problem is the usb has two files a) initramfs.cpio.xz b) linux.img Now what I need to do ...
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51 views

Not enough host controller resources for new device state

I have a debian mint based system where I plug in 16 usb devices. The Kernal is: 3.11.0-12-generic After about 10 or so devices I start to experience problems with connecting new ones. There error ...
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23 views

OS X MCP_ELPG_VCORE_STS_SATA_POWERED_UP never reached! error

I'm using a macbook air and it keeps shutting itself down in the middle of usage and brings the following error Anonymous UUID: 3B35044A-64F2-3EA5-3C7B-5C908E62F2F6 Mon Mar 17 23:52:31 2014 ...
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0answers
18 views

kernel module compilation error

C kernel module program, but not able to compile Error: make: Nothing to be done for `all'. my make file is given below: obj-m += hello.o KVERSION = $(shell uname -r) all: make -C ...
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14 views

Linux: Keypresses missed when typed, possibly IRQ issues?

I have a strange behavior on a Raspberry Pi, running a buildroot'ed Linux kernel 3.13.5. When the system comes under a little load (eg. mpd is running in the background happily playing out some ...
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42 views

My windows 7 keeps randomly freezing when I'm doing a variety of activitiess

The screen stays the same but goes unresponsive, and I get a loud ringing robotic sound through my headset. Log Name: System Source: Microsoft-Windows-Kernel-Power Date: ...
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0answers
11 views

with rlwrap vi file edit not happening

Am using rlwrap,with that history fetch commands editing works fine. But in vi mode am not able to edit the file, and not able to exit from vi mode. I added following entries in inputrc, set ...
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0answers
70 views

System frequently hangs/freezes with all processes in D state

When I am browsing the web with chromium (with lots of tabs/images/etc.) or running virtual machines with kvm, occasionally (at least a few times a day) my system will suddenly become unresponsive for ...
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0answers
34 views

Is it common to get error while kernel compilation?

I was just wondering if its normal getting error while compiling kernel with ubuntu 12.04. (i've already done 2.6.37.3 after solving few errors) Is there any kernel version which will be compiled ...
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0answers
20 views

Kernel logs and Boot logs

I am trying to analyse the logs of whats happening during boot. Grub config My GRUB_CMDLINE_LINUX_DEFAULT option in /etc/default/grub reads GRUB_CMDLINE_LINUX_DEFAULT= dmesg I have analyzed my ...
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0answers
60 views

cifs mount failed with return code 13 after building kernel 3.12.1

I was using the PING.ISO (Part Image is not Ghost) 3.02. The ISO is a simple file structure with all the work being done in a python script. I needed drivers for a newer PC, so I remastered it with a ...
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0answers
40 views

Can a driver be compiled alone instead of the whole linux kernel?

I made some changes to the serial driver on my linux machine. I've been trying to compile the module and reload it, but it throws some errors. Instead, if I recompile the whole kernel it works fine. ...
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0answers
28 views

How to debug a kernel created using ubuntu-vm-builder?

Aim: Trying to perform a code walkthrough of what functions are getting called for sending and receiving packets over the network. I am building a kernel and using gdb for debugging/ tracing ...
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0answers
13 views

Is there any boot analyser that works straight after GRUB

and analyse the whole process of loading Linux kernel till you get to see the desktop of your PC
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60 views

How to kill the issue with Linux, where most modern USB devices coming with 500mA MaxPower?

I have Sound card, Camera devices USB interface, all of them i have are 500mA MaxPower showing using lsusb -v | grep MaxPower Now those hardwares with Linux works about 1 hour or half hour and then ...
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0answers
113 views

Mouse stops moving after a every few seconds, but revives after click action

I am using Arch Linux and according to "uname -r" my Linux Kernel Version is 3.10.10-1-ARCH. This problem appeared after a full system update recently. Any idea how to fix this? Thanks in advance ...
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0answers
327 views

CentOS - Software raid - Kernel not booting - initrd?

Centos 5.9 64 bit on Raid 1 using mdadm. We have been trying for almost 2 days now to get this back going and have exhausted the resources and our minds on it, I would be glad if somone would point ...
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0answers
167 views

core dumps kernel.core_pattern and abrt

I have some trouble understanding the behavior related to core dumps. I know the kernel.core_pattern specifies the pattern of core dumps and if it contains a directory it uses that location for ...
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0answers
97 views

RTL8188CUS on linux

I used my wifi usb dongle, 0bda:8176 RTL8188CUS, successfully on a raspberry pi with raspbian (kernel 3.6.11+ compiled for arm). now I want to have wifi on my dell desktop and the same dongle but it ...
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0answers
58 views

Load AIX kernel extension in AIX on reboot?

Does anyone know how to load AIX kernel extensions on reboot? I know that Oracle loads it's postwait kernel extension via a executable in /etc/inittab. I'm assuming this executable calls the ...
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0answers
93 views

How do I configure fsnotify's queue size/watch limit on OSX?

Note: This might be a StackOverflow question, since it's about something that's only accessible via the internal API on OSX, but I'm posting it here since it seems to be more about using a tool that's ...
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0answers
26 views

When an image on an editing program is rendered on Windows, is the program parsing it, or is the kernel doing it?

so I know this question is confusing, but luckily I am a computer programmer and can make it more clear if you would help me out by reading on. A simple program, liek MS-Paint, will "know" how to ...
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0answers
93 views

Shutdown issue on QEMU emulated ARM Vexpress machine

I have built an ARM kernel from source using kernel 3.9.10 (from kernel.org) with my inital config being vexpress_defconfig. I am using a ramfs created using busybox 1.21. (cross compiled for ARM), ...