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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how is the the linux console displayed to the user and how does the user go about changing the consoles display settings?

I've been searching for the last two days on trying to understand how the console displays itself to the user and how to change the console settings. I've had some luck along the way but nothing that ...
0
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0answers
15 views

Can't flash openwrt kernel on Mikrotik Routerboard 750

Im trying to flash OpenWRT onto Mikrotik RouterBOARD 750 and Im having some difficulties when trying to flash kernel. Im running OpenWrt form RAM right now. Even though, I erased kernel beforehand, ...
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2answers
5k views

Compiling the Linux kernel, how much size is needed?

I have downloaded the newest most stable Linux kernel, 2.6.33.2. I thought I would test this using VirtualBox. So I create a dynamically sized harddisk of 4 GB. And installed CentOS 5.3 with just the ...
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0answers
9 views

How to increase the number of /dev/mtd* in linux [on hold]

In my linux /dev/ folder, I have mtd0 - mtd7 and mtdblock0 - mtdblock7. I want to have more mtd devices here. What should I change when building the kernel? Thanks
2
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1answer
2k views

Why is the System process using 40-60% of CPU power all the time?

TL;DR: ACPI.sys is constantly using lots of CPU power. Virus and malware scans all come back clean Drivers are up to date (GPU, Chipset, USB devices) Possibly important info: This install of ...
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0answers
7 views

How can I see the currently installed netfilter hooks?

Not just the iptables, is it possible to see the currently installed netfilter hooks in Linux PC? Such as the home-made kernel modules that installs netfilter hooks for someone's own filtering rule?
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1answer
3k views

What do these error messages mean and how to fix it?

============================================================== actually I figured out this is an issue of intel video driver:http://lkml.indiana.edu/hypermail/linux/kernel/0902.3/01703.html ...
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1answer
39 views

Windows XP Kernal Hack?

I have Windows XP 32-bit and have 8 gigabytes of ram, but aparently windows can only "see" 4 gigs of it. I know that there are 'kernal hacks' for OS's such as Vista, 7 and 8, but none for XP. Could ...
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0answers
5 views

How to set sysfs.conf for EDAC kernel module

I want to set parameter for the following EDAC settings files: /sys/module/edac_core/parameters/edac_mc_panic_on_ue /sys/module/edac_core/parameters/edac_pci_panic_on_pe But before I set any ...
2
votes
1answer
3k views

The system time has changed kernel-general, off by one day

Random events showing in event log. The system time changes to tomorrow, and then corrects about 10-15 seconds later. Causing all sorts of temproary havoc w/ VPN, Outlook, etc. Any thoughts?
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0answers
16 views

What exactly does acpi_backlight=vendor do

I have an issue when booting Linux with a device plugged to USB 3.0. If there is anything plugged (USB stick, keyboard, …), the system hangs on start with blank screen and does not react even on ...
6
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5answers
1k views

In linux, what would happen to a running program when it's executable file has been modified or deleted?

Let's say /usr/local/bin/ruby is running in the background, and then we overwrite ruby with a different version, or even delete ruby. What will happen to those running ruby processes?
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1answer
362 views

Wi-Fi not showing up after kernel upgrade from 3.10 to 3.16 in Ubuntu 14.04

I upgraded the kernel in Ubuntu 14.04 from 3.10 to 3.16. My system is a Lenovo G510 59398431. After that the option “enable wifi” in the drop-down of wireless icon on the desktop is not there. Even in ...
0
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0answers
33 views

How to understand and debug USB issues with Linux

I’m having an odd problem with a cheap "reverse USB hub" —not sure what the technical name might be— named a Tek Republic TUS-200 USB Sharing Switch. it has one USB port for devices, and ...
0
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0answers
7 views

cpusets compiled in kernel but not visible when running

Device: radxa ( 4-core ARM ) the official kernel from radxa is used with the ubuntu 14.04 rootfs : https://github.com/radxa/linux-rockchip.git. As cpusets where not enabled in def_config, i enabled ...
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0answers
24 views

How to find what is causing a Kernel EventTracing error in the Event Log?

I am troubleshooting a Kernel EventTracing "session failed to start with the following error: 0xc0000011" that pops up too many times in my event log. Every solutions I found in google were very ...
1
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1answer
15 views

Where is /sys/subsystem as described in Linux kernel doc?

Quote from https://www.kernel.org/doc/Documentation/sysfs-rules.txt: [...] It is planned to merge all three classification directories into one place at /sys/subsystem, following the layout of the ...
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2answers
3k views

Ubuntu Server 13.10: How to downgrade kernel

Ubuntu Server 13.10 appears to be very unstable, I got random crashes of the system with no apparent reason and nothing is showing in syslog. This is screenshot from the console when the crash ...
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0answers
25 views

linux kernel starting issue (file system corrupted) on nand flash memory

please look at here for the trace. To make it short : I need a way to erase flash memory (Root file system) on my arm device to be able to install a linux kernel + file system again. So, let me ...
0
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0answers
19 views

How to limit max RAM usage of a process in kernel 3.13

I am trying to limit the max RAM used by a process in using kernel 3.13.0-43-generic in ubuntu Ubuntu 14.04.1. I would like to set this system wide, but as this doesn't work I have been trying it ...
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0answers
17 views

Restore [non-boot drive] root directory from kernel image

Accidentally overwrote the root directory on a 2nd drive, .. but the subdirectories are still there [i.e. cd to a subdirectory drive is successful]. Problem is, the root directory in the partition is ...
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0answers
17 views

Console outputs kernel error AudioSysctl

Since Yosemite my console app logs this twice a second: kernel: AudioSysctl: (0) It's insane. Since I can't find anything about it in the internet, how would I try to get to the bottom of this (and ...
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0answers
10 views

ethernet port is not detected in freescale MPC8569 board after kernel updrade

I have a freescale MPC8569 embedded board. previously, I put linux version 2.6.32 on it and all interface connected to processor are working properly. Now, I upgraded my linux version to 3.10 and now ...
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2answers
879 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. ...
4
votes
2answers
407 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
95 views

Random freezes kernel power

Hi everyone I see kernel power 41 (63) in computer management and my computer freezes every 10 minutes it keeps working only screen stuck. and it doesnt matter that I do anything even when it just ...
2
votes
1answer
120 views

Where the Ubuntu's source can be gotten?

Where can I get Ubuntu's source code? Actually I want It's kernel's code. I know I can get the kernel from kernel.org but as I found out that Ubuntu does some patching on the kernel I want to know ...
0
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4answers
102 views

How do I get the latest linux kernel, and why would I want to do that in the first place?

I'm running 3.10-3-686-pae, and I think I would like to upgrade to 3.12 just so I can learn more about how it all works. My computer runs pretty well considering how old it is. I have been learning to ...
0
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1answer
46 views

Fedora: Get a list of installed kernels by Date

I want to get a list of installed kernels in decreasing order on the date which they were installed. Any idea on how to do this? I am on Fedora 20
0
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1answer
321 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 ...
1
vote
1answer
60 views

What is *Paged* Kernel Memory?

What is paged kernel memory, as reported in the Windows Task Manager? Is it related to the page file? I assumed that it was the part of kernel memory stored on disk in a page file, but I tested ...
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70 views

Random system halt (no BSOD) due to watchdog

I have a Sony SVE15118FG laptop running windows 8.1 that has been doing me well however recently it has started while gaming randomly shutting off. I'm referring to an immediate power off followed by ...
1
vote
2answers
2k views

How to update the kernel from 2.6.16 on Debian squeeze?

I just did an update of my Debian system on my vserver from lenny to squeeze as described here. I got some errors during the install, saying that glibc couldn't be updated. I did an apt-get -f ...
0
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0answers
193 views

How can I fix kernelevent tracing, error 0xc0000035?

I have noticed several kernelevent tracing errors in event viewer. The code is always 0xc0000035 and event ID is always 2. Session "HomeGroupLog" failed to start with the following error: 0xC0000035 ...
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0answers
212 views

WIN8_DRIVER_FAULT - BSoD

I've since fixed this issue, although I'm now running into another issue. Please see my new thread: NVIDIA; Whea_Uncorrectable_Error I'm currently facing a slight issue. Whenever starting a ...
0
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0answers
12 views

Kernel Panic on funtoo

I'm having a lot of kernel panic problems on my funtoo system. I don't know exactly why it happens, I'm afraid that it's happing because of my processor which is a intel i7 which uses ivybridge... so ...
0
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1answer
37 views

script to disallow mounting of certain idVendor

I'm trying to write a script to disallow mounting of certain usb thumb drive's brand like silicon-power my thought was to use tail -f /var/log/messages and grep it to idVendor and blocking it upon ...
0
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0answers
16 views

Alcatel 918D kernel (Frame buffer console) compilation error

Hi i've been trying to compile the Alcatel 918D kernel with the framebuffer console driver, but I get this error. Can anyone help, Originally the procedure I followed was for a Samsung mobile which ...
1
vote
1answer
46 views

How to compile an ISO with a kernel patch for another computer?

I recently bought an HP Stream, which is a neat, cheap laptop that I intended to install Xubuntu on. Unfortunately, I have been running into problems due to its eMMC drive. I found it seems to be ...
2
votes
0answers
91 views

Kernel Panic from overheating?

I believe my CPU is overheating which is causing a kernel panic and the machine reboots. It is an Intel 3612QE. I have changed the cpufrequtils scaling_governor to ondemand, conservative, and also ...
2
votes
0answers
45 views

Possible to create custom distros off Windows NT kernel? [closed]

Something I've always wondered (so my apologies if this is obvious). With all legality aside, is it possible for someone to attain the knowledge to create a custom OS off the windows NT kernel? Or ...
0
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0answers
12 views

Is system call the only way that a user program can intentionally affect the state of a Linux kernel?

I think there are several ways that a user program can intentionally affect the state of a Linux kernel. By invoking a system call; By invoking mmap() and writing the memory that has been mapped to ...
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1answer
1k views

How can I get the number of threads running in a process from /proc/[pid]/stat in Linux?

I have the pid of the process. I would like to know the current number of thread running in the process. I know I can read /proc/pid/stat for this information, but I'm not sure how to specifically get ...
2
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3answers
14k views

Windows Kernel Name\Version?

Mac OS X has the Darwin 10.6.0 Kernel, and Ubuntu has the Linux 2.6 Kernel, so in Windows what is it called?
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1answer
126 views

What are the differences between the linux-virtual, linux-image-virtual, and linux-image-extra-virtual kernels in ubuntu? [closed]

I'm wondering what the differences are between these kernels? linux-virtual linux-image-extra-virtual linux-image-virtual
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1answer
43 views

What is the difference between linux-server vs linux-image-server on Ubuntu?

I cannot find a recent, definitive difference between linux-server and linux-image-server. I thought for sure this would be in the Ubuntu documentation, but I don't see it.
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2answers
99 views

Scrolling up the failed screen with kernel panic

From time to time, Linux booting failed on very early stage (like initrd loading). Then, the kernel panic message is showing up in text mode. Since the screen height limit, all I can see is around 40 ...
0
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1answer
35 views

Reinstall /boot/<kernel> files through apt-get?

I was doing some maintenance and a script got away from me. I managed to delete the latest kernel files from /boot (actually, all the kernel files, including the old ones). I need to re-install the ...
4
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3answers
528 views

Pipe kernel messages to another process as they occur

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 ...
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0answers
32 views

Is BIOS/UEFI used after OS startup?

I know that BIOS/UEFI is used during computer startup to boot the system and check HW and that it provides abstraction over hardware Does this mean, that the OS kernel calls BIOS/UEFI layer when the ...