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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-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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1answer
2k views

Debian wheezy frequent random crash

I have a fresh install of the debian testing distro with gnome-shell 3.4 and it crashes daily. By crash I mean, the sound keeps repeating itself, keyboard and mouse is unresponsive, and my only ...
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1answer
425 views

FEdora 17, Install specific Kernel version using yum

how can i install a specific version kernel version, I want to install kernel-3.6.11-1fc17.x86_64, however when using yum, it is saying no package available
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1answer
802 views

ubuntu: upgrading

i have some kind of problem with my system (it's a kvm vm with 2 gig ram and 50gig hd). when i try to install "linux-image-3.2.0-38-generic-pae" using apt-get, i'm told that there's no space left on ...
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1answer
92 views

Ubuntu wont recognize USB port

I have a problem trying to run Ubuntu 11... Oneiric Ocelot, it starts to run, and it seems to work but we need the usb port to connect the keyboard and mouse, the problem here is that it doesn't ...
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1answer
2k views

Building kernel 3.7 : use TICK_CPU_ACCOUNTING or IRQ_TIME_ACCOUNTING for AMD 64 Notebook?

I am using make oldconfig and don't know that to do now. (Usually I can make a choice by myself) * * CPU/Task time and stats accounting * Cputime accounting > 1. Simple tick based cputime ...
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289 views

What could be the reason behind this kernel panic

My laptop boots from the Fedora,Ubuntu live cd normally.But with Centos live cd there seems to be a problem as it displays the below lines. slab error in kmem_cache_destroy():cache ...
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4answers
5k views

Error while validating for Ubuntu 12.10 Kernel headers

I have my VMware Player (v 5.0.0 build-812388) all up and running Ubuntu (12.10) from my Windows (Win 7) machine. When I launch sudo vmware-config-tools.pl, it tries to search for kernel Searching ...
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1answer
179 views

If I install the Ubuntu Desktop on Ubuntu Server, will I still have the server kernel?

I know, I know, insert standard lecture of "You shouldn't install a GUI on a server OS!" But, after reading this guide: http://www.ubuntugeek.com/install-gui-in-ubuntu-server.html It implies that ...
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1answer
451 views

Boot a Linux Kernel on USB drive

I am trying to boot Linux kernel version 3.2.0 from USB drive. I formatted the USB drive with ext4 partition. I installed GRUB on it, and I copied two files, vmlinuz-3.2.0-29-generic and ...
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3answers
4k views

Linux Mint 14 severe overheating

I've tried switching to Mint (it was Mint 12) about 6 months ago, but failed to do it due to enormous overheating which made it virtually impossible to run any applications more complex than Gedit. ...
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1answer
256 views

How to combine Ubuntu/Debian kernel config into single config

Ubuntu has split up the kernel configs in the debian.master/config/ directory like this: linux-3.2.0/debian.master/config % tree . ├── amd64 │   ├── config.common.amd64 │   ├── config.flavour.generic ...
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2answers
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How to disable IPv6 on Debian Wheezy?

I know there's a wiki entry http://wiki.debian.org/DebianIPv6#How_to_turn_off_IPv6 that shows how to disable IPv6 in Debian Squeeze, but that's a 2.6.* kernel. What about 3.2.* kernels running ...
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2answers
1k views

Is it possible to compile a Darwin Distro from source, like you can a build a Linux Distro?

I have read through and undertaken Linux From Scratch (and BLFS) and I was wondering, can I follow this guide to create a Darwin Distro by substituting the xnu kernel? Would the process be vastly ...
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1answer
190 views

convert the monolithic kernel of linux into microkernel [closed]

i want to convert the old monolithic kernel of Linux into microkernel (not the latest one but it may be older once like 1.0 or something) plz tell me is this possible or not(if not tell me the ...
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1answer
274 views

Which processor family should I choose when compiling the kernel for an AMD Turion 64 X2 TL-52 CPU?

I have laptop with AMD Turion 64 X2 TL-52 CPU. Which processor family should I choose when configuring kernel?
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0answers
58 views

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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1answer
535 views

KMS, linux kernel 3.7 and ati mobility radeon x1350

I got problem with booting new kernel. If I on bootloader pass nomodeset flag to the kernel linux boots up successfully but it doesnt load radeon module to kernel which is really frustrating cause I ...
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1answer
2k views

Linux kernel scheduler for a pen drive - noop or deadline?

I run Debian Live as a persistent system on a 16 GB pen drive. This is my workhorse every day system. I was earlier plagued with continual delays and freezes due to slow write speeds. I have ...
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1answer
132 views

Linux Redhat kernel source installation? [closed]

I downloaded my kernel source rpm version, uname -a, from the ftp.redhat.com site. When I installed the rpm it put it in ~rpmbuild. In the past didn't it put it in /usr/src/redhat? Did this change? ...
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0answers
326 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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1answer
99 views

How is battery charge reported to the operating system?

This feels like a stack exchange EE question, but it seems like it belongs here instead. How is the charge of a notebook computer's battery reported to the operating system? Since all laptop ...
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0answers
88 views

show windows kernel memory

Is there a command-line tool that shows the Kernel Memory (and will let me redirect the output)? (Win2K and XP, at least) The task manager shows it on the main page (Total, Paged and Nonpaged), but ...
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2answers
161 views

How can I run a command on disk error?

System: Debian Squeeze What's it for: A System where any new disk is DoD Wiped. I'm looking for a method to fire a command on a disk error that the kernel throws, sometimes we get bad disks and it ...
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1answer
217 views

Difference between gnu and darwin and mach

These terms belong to the Mac OS X architecture topic and I'm confused about the following: mach is said to be a microkernel Darwin and XNU are mentioned to be a kernel So ...can you help me to ...
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2answers
70 views

Library functions are always implemented using system calls?

We know that system calls are requests by a process for a service from an operating system's kernel.[1] I'm asking this question because I wanted to know if a process can really generate a signal on ...
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1answer
55 views

Signals: Kernel-generated only?

Can processes really "generate" signals or they just request the kernel to send the signal on their behalf? And what about hardware interrupts? Do they get translated to software interrupts? Like, ...
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4answers
182 views

Does the kernel process need to save something when switching to user mode? [closed]

According to my professor, "while switching from user mode to kernel mode, the status of the user process has to be saved completely. But when switching from kernel mode to user mode, nothing has ...
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1answer
1k views

dracut Warning: Unable to process initqueue

I'm on Mageia2 x86_64 with kernel 3.3.8-desktop-2.mga2. The kernel boot normally. My laptop is old so i need the old kernel for better compatibility and functionality. The problem is that the old ...
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1answer
186 views

Can I safely apt get remove a kernel that I apt-get-install'ed?

I installed a pae kernel on my Ubuntu 12.04 32-bit box in order to try it (I thought I would add RAM to my computer which I finaly didn't). It automatically added an entry to grub's boot menu with ...
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3answers
1k views

Where can I get a Linux distro iso based on a 2.4 kernel?

I need to get my hands on an ISO file for a Linux distribution with a 2.4 kernel. I'm looking for an ISO specifically so I can use it with my Oracle VirtualBox. Since 2.4 is so old these days, I'll ...
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1answer
145 views

V4L2 and ALSA: Kernel SPI or User API?

I'm trying to understand what Video for linux and ALSA are (exactly), and I can't discern whether they're APIs for Linux application to use (the userspace) or if they are backend services that are ...
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1answer
171 views

How to resolve conflict in iptable rules

In Ubuntu 12.04 and above there are no iptable rules defined by default. I added the following rule and it works fine:(Update) iptables -A INPUT -p tcp -j QUEUE -m string --string xyz --algo bm ...
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238 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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2answers
500 views

System.exe explanation

I see a process in task manager called "System", and I couldn't find any kind of relevant explanation about it on the net. Task manager shows its description to be "NT Kernel & System". Could ...
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1answer
232 views

Update single kernel module / driver

I needed a newer version of a Kernel module in an quite old kernel. How can I replace a single kernel module of the mainstream linux kernel and compile only this module?
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1answer
14k views

Windows 8 disk errors

So yesterday, I forcibly restarted my Windows 8 PC. VMWare Workstation was having some trouble with the guest Linux Mint OS. It wasn't responding for some time, so I tried suspending it September 28th ...
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1answer
277 views

FreeBSD sysctl.conf kernel.panic parametr?

There is a kernel.panic param in Linux's /etc/sysctl.conf to auto-reboot the OS when the kernel crashes. Is there anything like this in FreeBSD?
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1answer
291 views

Where and How should a Kernel Panic be reported?

I've Archlinux installed on my laptop Fujitsu Amilo Pi 2*** and I cannot find any log at /var/log that has the StackTrace. The Kernel panics ALWAYS when I try to modify screen brightness. Where are ...
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1answer
611 views

IPV4 route cache removed from >= 3.6 linux kernel

While going through 3.6 linux kernel change log, i came a across a mail (http://article.gmane.org/gmane.linux.network/238256) from David S Miller regarding removal of routing cache for IPV4 in kernel. ...
3
votes
1answer
3k views

how to bring network up at boot time in linux

I am working on an embedded linux system, my aim is to activate ethernet interface at boot time. I am using u-boot as bootloader. I passed ip= and eth= u-boot environment variables to the linux kernel ...
1
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1answer
137 views

Raid system fails to boot after moving from 2.6 kernel to 3.5

I'm running Gentoo Linux with a custom compiled kernel and I've just migrated from a 2.6 kernel to a 3.5. As my HD's are on RAID 0 mode I use a custom initrd file in order to be able to boot. While ...
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1answer
977 views

What version of compat-wireless do I need to install?

I have Ubuntu 12.04.1: 3.2.0-31-generic-pae Wich version of compat-wireless do I need to install? This is the page: http://wireless.kernel.org/en/users/Download/stable/ The question is: do I just ...
0
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1answer
180 views

Does FreeBSD 9.0 installs with multi-core support by default?

Planning to install FreeBSD 9.0-RELEASE amd64. Should I re-compile kernel after installation for multiple CPU cores support? or SMP-kernel comes in default installation?
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1answer
124 views

Multiple interface issue

We have an externally-accessible subnet on which all our desktops and a few servers sit. Due to a lack of IPs, we put the servers (which don't need to be externally accessible) on a private subnet and ...
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3answers
807 views

Updating Debian kernel

I'm trying to update my Debian machine to 2.6.32-46 (which is the new stable). However, after doing apt-get update my apt-cache search linux-image shows me: linux-headers-2.6.32-5-486 - Header files ...
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1answer
67 views

Is it safe to install kernel packages as dependencies on a Linode?

I'm working on a Linode: [michael@ads_portals ~]$ uname -r 3.5.2-linode45 I need to install some libraries, such as PyQt4-devel: sudo yum install PyQt4-devel Unfortunately, this comes up in the ...
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1answer
233 views

“make xconfig” with arch linux

I'm trying to compile a kernel for Arch. I'm using "arch method" - abs, edit PKGBUILD and then "makepkg". Problem is, my Arch is using xfce 4 + gnome 2, but i want to edit my config file using ...
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0answers
527 views

Get current thread id in kernel based C code (Linux)

I have a module which is accessed for read/write operations to a proc file. I know I can get current process id using current->pid, but is there a way to get the current thread id that is accessing ...
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0answers
550 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 ...