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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Why do linux kernels include files for all devices?

The kernel for my device includes so many files for other devices and situations that my device cannot use. The kernel carries around the files for everything and is much bigger than just the files ...
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169 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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1answer
2k views

Adding system call to kernel 3.11 [closed]

What I want to do is add a dummy system call to the 3.11 Linux Kernel. What I did: Downloaded and extracted kernel v3.11 from kernel.org and placed it in /usr/src In file, ...
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1answer
183 views

Linux kernel option to force video card to stay on

I just installed Debian Wheezy 7.1.0 on an Intel vPro System (Intel Core i5-2520M, SuperMicro MBD-X9SCV-Q-O). Intel AMT's KVM works perfectly until Debian has completed booting and shows the login ...
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1answer
59 views

Is the source code for OS X kernel logging messages available via XNU, or is it “proprietary.”

It would be kind of nice to understand just exactly WHAT all those messages that appear in log files really mean. I'm not necessarily talking about errors, but even informational messages. I realize ...
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2answers
1k views

Linux - prevent disks spinning up

On bootup all disks are spun up, but 4 are just backup (and pretty noisy too). Soo I'd rather prefer to never ever spin them up at all when booting. Is there a kernel option which tells the kernel ...
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1answer
434 views

Kernel bypass possible with non-specialised NIC?

Is it possible to perform kernel bypass and have a NIC send data to the user space (where I will write my network stack) with no copying, without having to purchase a specialised Solarflare etc NIC?
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2answers
169 views

Advantages / Disadvantages to rolling my own Linux kernel? [closed]

I was thinking about installing a fresh copy of Ubuntu on my main machine. Along with doing so I was thinking about rolling a mainline kernel to get all of the latest support for hardware and such ...
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1answer
423 views

trouble compiling linux kernel from source

I am trying to compile a kernel from the source tree found at https://github.com/fio-prf/em, and I am getting the following error when I run make: make[1]: Nothing to be done for `all'. make[1]: ...
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0answers
141 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
27 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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4answers
9k views

MacBook freezes, console printing kernel: disk0s2 I/O error

Yesterday I've closed my MacBook , opened it today and experienced horrible performance slowdown, beach ball and eventually a freeze. After several reboots I managed to close most of my applications ...
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1answer
769 views

Configuring DRAM size when compiling an ARM (linux-sunxi) kernel for an allwinner a10 tablet

I've got a goclever a103 tablet (http://goclever.com/goclever_tab_a103) and I want to install linux on it to boot it from an SD card. First thing I found online were SD card images for a very similar ...
2
votes
1answer
3k views

DKMS fails to compile fglrx-driver on Debian Sid (using kernel-3.10-1)

My 'play' box (Debian Sid) just received an update for the kernel (3.10-1-amd64). Right after I installed appropriate linux headers I received an error from DKMS indicating failed build. Below is the ...
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2answers
101 views

File POSIX Capabilities

In Linux kernel v2.6.~ there was an option File POSIX Capabilities in kernel configuration, which, in particular, is necessary to build and use Linux Containers successfully. I'm currently using ...
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1answer
372 views

Compiling Linux Kernel with headers (AMD FX Piledriver)

I have compiled Linux kernel 3.9.7 for my AMD FX 6300 (with AMD selected as processor vendor during kernel compilation). After the installation, I restarted the system, and found that the ...
2
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1answer
54 views

PearOS - Is it actually Linux?

I just downloaded PearOS 7 for both its look and the fact that it was linux... Until I thought about it. PearOS is a distro that was made by a french developer. Does it use the kernel that say... ...
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1answer
1k views

How to compile and install new kernel in Chrubuntu with samsung exynos 5 (ARM coretex-A15)?

I have successfully installed Chrubuntu 13.04 (kernel version 3.4) on samsung Chromebook Exynos5 with ARM coretex-A15. And I also tried to update the kernel version to 3.9 by downloading new kernel, ...
3
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1answer
281 views

enabling CONFIG_LIBIPW on kernel compiling

I need to enable CONFIG_LIBIPW=m on kernel 3.4.0 I see that IPW2100, IPW2200, and PCI needs to be enabled, but I could not find any clue where they are on the menuconfig. I read on ...
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1answer
99 views

What's the type of my Ubuntu kernel?

Four commands on my pc: $ dpkg -l |grep linux-image Linux kernel image for version 3.4.0 on 32 bit x86 SM It means my Ubuntu kernel is 32 bits? $ uname -a Linux ny 3.4.0-030400-generic ...
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1answer
55 views

How can a param be added to boot-command but not accepted by sysctl?

I can successfully add libata.ignore_hpa=1 to my boot command and the following cmd will yield a '1' upon boot: cat /sys/module/libata/parameters/ignore_hpa but grep'ing sysctl -a for libata and ...
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1answer
633 views

How to enable sched_compat_yield?

I am not able to see the sched_compat_yield entry under /proc/sys/kernel/. How to enable this propery in the kernel (so that I can tweak it for some debugging purpose) ? Currently Available Entries: ...
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1answer
209 views

How I can replace linux module which are the same version?

I have compat-wireless module, it's built and patched. I really need to replace the module located in /lib/modules/3.2.0-4-686-pae/kernel/drivers/net/wireless/ with this one but I don't know how do ...
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0answers
141 views

State of vanilla kernel support of RaspberryPi [closed]

What is the state of the support for RPi in vanilla kernel? What is holding back any possible merge from the forked RPi specific kernel repo back into the upstream? Is there any technical issue with ...
3
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1answer
210 views

How to connect Linux to a HDD that has been “security locked”

In the process of playing around with several hard-drives, and hdparm's --security-set-pass and --security-erase options, I have a pile of HDDs that are in a "locked" state and I cannot unlock them. ...
4
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1answer
378 views

FreeBSD compatibility layer on Linux

I am aware of Linux mode on FreeBSD, where Linux binaries can seamlessly be executed in FreeBSD. From the FreeBSD handbook: In effect, there is a Linux kernel in the FreeBSD kernel. The various ...
2
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1answer
369 views

How to blacklist a particular bad RAM area in Windows? [duplicate]

I have found a RAM error with MemTest86+ (the version included with Ubuntu 13.04), it says: Failing address: 002f796c48 - 759.5 MB I have no money to buy new RAM now and the error seems to be ...
2
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2answers
56 views

In linux distros, except for a new kernel, what else could require a reboot?

The most common case is a new kernel as far as I know, but what are other cases that usually require a reboot, too?
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0answers
134 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 ...
2
votes
1answer
1k views

Extreme Kernel Paged Pool Memory Use (Win 7 64-bit)

I'm currently running Win 7 Pro 64-bit on a file server system with 12 hard drives. The drives are connected through 2x IBM M1015 controller cards (flashed to LSI 9211-8i IT mode firmware). I'm ...
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1answer
223 views

Where is my /boot/grub/menu.lst file

I m using VMware for my linux version Ubuntu 11.04 and i have searched for /boot/grub/menu.lst file but this file was not there. Why?? I was creating a new kernel in virtual linux but unable to ...
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2answers
1k views

In the output of lspci -vv, what do the Region lines mean?

I have the following output from running lspci -vv -s 00:00 on my single board computer running Linux. 07:05.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 03) Subsystem: Adaptec ...
2
votes
2answers
170 views

What cache makes a file search faster for the second time exactly?

On Windows on a HDD partition with Total Commander, if I make a file search on the file system root e.g. C:\, it will take considerable time: it display as it walks the entire directory structure ...
2
votes
2answers
907 views

How to disable device in Linux Debian (Wheezy)

I need to force the kernel to not load drivers for the Intel NIC in my PC to see if this helps on performance issues I have by using the second NIC that is on the same motherboard. How can I do this? ...
2
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1answer
623 views

Writing directly to /proc versus using sysctl -w

I am trying to configure the kernel of my Linux server so that it will not act as router, for more security. The point is not to forward packets. I have found this: echo 0 > ...
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2answers
281 views

I have compiled the 3.8.2 kernel and the fan doesn't stop after resume from suspend

Kernel config for HP 6730b notebook I can't figure out what I did that's causing this issue. This is xubuntu latest version 12.04.02 LTS Link for kernel config: http://pastebin.com/AuYWdNDR Any ...
0
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1answer
239 views

Union mounts not supported by the 3.8 kernel?

I've been using union mounts (unionfs) for live images and read-only rootfs images. But when I updated the kernel to 3.8, I found that there were no config items related to overlayfs. So the 3.8 ...
4
votes
3answers
654 views

where does Kernel reside on a multi-core system

Suppose I have a multi-core system, say 4 cores, and in this I pin 3 user process to a 3 CPU's. In such a case, where will the kernel reside? Suppose one of the user process make a system call, or ...
0
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2answers
132 views

Install VC Redist 2008 on Windows Server 2000

I recently set up a server with Windows Server 2000 (I know it´s old, but the hardware of the computer wouldn´t take more than that). Now I installed xampp which requires the VC redist package 2008. ...
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0answers
104 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 ...
2
votes
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 ...
0
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1answer
476 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
1k 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 ...
0
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1answer
102 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 ...
2
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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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334 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 ...
4
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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 ...
0
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1answer
196 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 ...
0
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1answer
651 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 ...
3
votes
3answers
5k 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. ...