linux kernel

Welcome to the 'linux kernel' tag page at Technorati. This page features content from the farthest reaches of the Blogosphere that authors have "tagged" with 'linux kernel'.

Latest blogosphere posts tagged “linux kernel”

• Keyboard delay in ttys (from 2.6.28-16-generic to 2.6.31.6 on Ubuntu 9.04 Jaunty)

  
  LinuxQuestions.org — Authority: 176
  Greetings to everyone. I have recently started a Linux kernel hacking course at university. So I enjoyed taking a closer look at kernels, and decided I wanted to have the latest kernel on my Ubuntu. So I downloaded 2.6.31.6 from kernel.org. I configured it by copying the default 2.6.28-16-generic config that comes ...
  3 hours ago

• I need to retrieve my user name and password

  
  LinuxQuestions.org — Authority: 176
  I found some guide on how to do this but I cant pass the user name screen i try to click on scape key, but nothing happened plese direct me as to where to go
  1 day ago

• mdadm v3.0.3 used as in pure software vs. fake RAID setup

  
  LinuxQuestions.org — Authority: 176
  Hello All, Im looking at setting up a RAID 0 volume for OS and software, and a RAID 1 volume for user space in a 2 SATA disk system. I do not need to have the benefits of dual booting, since it is an exclusively 64 bit Linux workstation (Tyan S7024 with 4 Tesla C1060 cards). I am seeking the truth about the ...
  3 days ago

• Stuck in Interrupt handler before driver has registered irq? How can that be?

  
  LinuxQuestions.org — Authority: 176
  Hi everyone, We are developing for uClinux on the softcore nios2 processor on a Cyclone2 FPGA. Sometimes a bug in our VHDL code is making one of the interrupt lines stay active at startup. When this happen the system shows "Uncompressing Linux... Ok, booting the kernel." and then freezes there. I have used a kernel ...
  3 days ago

• Linux introspection and SystemTap dynamic kernel analysis

  
  Linux/Unix News - motd.ambians.com — Authority: 460
  Modern operating system kernels provide the means for introspection, the ability to peer dynamically within the kernel to understand its behaviors. With this knowledge, you can tune or modify the kernel to avoid failure conditions. Discover an open source infrastructure called SystemTap that provides this dynamic ...
  4 days ago

• How to update your custom Ubuntu Karmic kernel after a new kernel release

  
  My Thoughts — Authority: 403
  Previously I described how to compile your own Karmic kernel. In this follow up article I’ll describe how to update your custom build kernel after the Ubuntu developers released an updated version of the kernel.This article assumes you have followed the directions of my previous article.Just to refresh your memory, ...
  5 days ago

• socket or not from struct file

  
  LinuxQuestions.org — Authority: 176
  Hi, I want to be able to differentiate between disk I/O and network I/O from vfs_read(). This function takes a pointer to a struct file as a parameter. My question is how to figure whether that file is a socket or a physical file on disk. Thanks.
  5 days ago

• Not starting the CentOs. after new installation.

  
  LinuxQuestions.org — Authority: 176
  Hi i am Zia here. see i just installed the CentOs in the system, Which is P4 machine. I installed it in text mode, i formated the whole drive. and installed it. After sucsessfull installation. when system got restarted. i got this msg.kernel/vmlinuz-2.6.18-164.e15 ro root=dev/vol groupoo/logvoloo file not found Press ...
  5 days ago

• FatELF: Turns out I liked the uncertainty better.

  
  fsdaily.com - Free Software News - Published news — Authority: 158
  It looks like the Linux kernel maintainers are frowning on the FatELF patches. Some got the idea and disagreed, some didnt seem to hear what I was saying, and some showed up just to be rude.
  1 week ago

• How Google Uses Linux

  
  Linux/Unix News - motd.ambians.com — Authority: 460
  postfail writes lwn.net coverage of the 2009 Linux Kernel Summit includes a recap of a presentation by Google engineers on how they use Linux. read more
  1 week ago

• KLM packet handler soft lockup on CPU: 0

  
  LinuxQuestions.org — Authority: 176
  Hey all, I am having a problem with an network accelerator LKM I am writing. It will run for a few minuets processing IP packets then it will lockup the CPU. I stripped down the LKM packet handler to a simple function in functiontest.h that uses __set_tcp_option() from tcpoptions.h to insert custom TCP options into ...
  1 week ago

• How to create pseudo terminal master and slave

  
  LinuxQuestions.org — Authority: 176
  hi frds I am new to the linux, dont know about pseudo terminal, when am trying to read manual pages about pseduo terminal i understand little bit, I want to create /dev/cdma/ on two terminals like dummy driver for modem and if i will send data from one terminal, that data has to come from another terminal , basically ...
  1 week ago

• Help: Issue to port Linux 2.6.11-1 32-bit kernel to HP Server

  
  LinuxQuestions.org — Authority: 176
  I am trying to port the Linux 2.6.11-1 32-bit kernel to a HP server (Dual Intel XEON L5520 physical CPU). The APIC ID of each processor is 0-7 on the first physical CPU and 16-23 on the 2nd physical CPU. The boot processors APIC ID is 16. If I bring up more than 8 processors in smpboot.c, the kernel is deadlocked at ...
  1 week ago

• The 2009 Linux Kernel Summit

  
  fsdaily.com - Free Software News - Published news — Authority: 158
  The 2009 Linux Kernel Summit was held in Tokyo, Japan on October 19 and 20. Jet-lagged developers from all over the world discussed a wide range of topics. LWNs Jonathan Corbet was there, and has written the following summaries.
  1 week ago

• Security Updates | 2009-11-04

  
  Slaptijack — Authority: 115
  I track security updates for the following vendors: Apple, Cisco, FreeBSD, Microsoft, Red Hat, and Sun Microsystems. I chose these vendors based on my own needs for the networks and systems I manage. I’ve also found that updates from these vendors tend to catch the major updates necessary for common software ...
  1 week ago

• Bug In Most Linuxes Can Give Untrusted Users Root

  
  IT Professionals Database (ITPD) - The European IT Professionals Database Networking Platform — Authority: 142
  Red Midnight and other readers brought to our attention a bug in most deployed versions of Linux that could result in untrusted users getting root access. The bug was found by Brad Spengler last month. "The null pointer dereference flaw was only fixed in the upcoming 2.6.32 release candidate of the Linux kernel, ...
  1 week ago

• Bug In Most Linuxes Can Give Untrusted Users Root

  
  Linux/Unix News - motd.ambians.com — Authority: 460
  Red Midnight and other readers brought to our attention a bug in most deployed versions of Linux that could result in untrusted users getting root access. The bug was found by Brad Spengler last month. "The null pointer dereference flaw was only fixed in the upcoming 2.6.32 release candidate of the Linux kernel, ...
  1 week ago

• How to share RTC interrupt?

  
  LinuxQuestions.org — Authority: 176
  In linux, are we able to share the RTC interrupt? I found that in the diver file(/usr/src/linux-2.6.24.7/drivers/char/rtc.c)it is written as "IRQF_DISABLED"only so I changed it to "IRQF_SHARED" and recompiled the kernel. But after that while booting it is showing that "IRQ 8 is not free" and when i try to open the rtc ...
  1 week ago

• Do Kernel timer handlers execute on individual threads?

  
  LinuxQuestions.org — Authority: 176
  Hello, Ive been working on a network device driver for kernel 2.6.27. In this driver, I have setup a timer to execute my handler function every 20ms. I was wondering if my handler function will execute in its own kenel thread or not? I guess the core of the question is whether or not the kernel code which invokes a ...
  1 week ago

• How to compile a kernel for Ubuntu Karmic

  
  My Thoughts — Authority: 403
  Ubuntu Karmic has been released to the public a few days ago and it’s time to write up a How To Compile a Kernel article. Only a few small changes have been made to the way we have compile a kernel for Ubuntu Karmic compared to Ubuntu Jaunty but they are significant enough for it’s [...]
  1 week ago

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