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brain-dump: ballooning bug.

For past 3-4 days I have been working on a problem where after a series of ballooning operation involving in the range of 512 MiB to 30 GiB , the guest (Ubunut 16.04 ) crashes. Logs were: [ 193.432063] Freezing remaining freezable tasks … [ 198.032804] ata2.01: qc timeout (cmd 0xa1) [ 198.032815] ata2.01: failed […]

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Request for Contribution

Hi All, As you are aware I have a site www.justkernel.com which is totally devoted to learning Kernel and device driver development whether on Windows or Linux Platform. Through this site, I have always aimed to share my knowledge and experiences . I want to take an initiative to start a project (of-course related to […]

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Java Platform Debugging Architecture

JPDA (Java Platform Debugging Architecture) is a multi-tiered debugging architecture that allows tools developers to easily create debugger applications which run probably across platforms, virtual machine(VM ) implementations and JDK versions. JPDA consists of three layers: JVMTI – defines a debugging services a VM provides JDWP – defines the communication between debugee & debugger process.. […]

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Compiler Phases

A compiler performas following operations  Lexical analysis Pre-Processing Parsing Semantic Analysis Code generation Code optimization FRONT End : The front end analyzes the source code to build an internal representatin of the program, called the intermediate representation or IR. It also manages symbol table, a data structure mapping each symbol in the source code to […]

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CMOS – Basics and important links

To start with CMOS intro the following sites may be useful.. CMOS Bank Information: First CMOS Bank (offsets 0x00 to 0x7F) Second CMOS bank (offsets 0x80 to 0xff): http://www.codepedia.com/1/CMOS_C http://bochs.sourceforge.net/techspec/CMOS-reference.txt http://www-ivs.cs.uni-magdeburg.de/~zbrog/asm/cmos.html http://stanislavs.org/helppc/cmos_ram.html http://wiki.osdev.org/CMOS#Reading_All_RTC_Time_and_Date_Registers Please let me know in case of any queries related to BIOS or CMOS. Originally Posted On: 2012-06-10 14:47:49 Anshul Makkar mail: anshul_makkar@justkernel.com […]

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VISA Issue – No one ready to sponsor my talent

I want to be a hardcore kernel / device driver professional and in pursuance of that, in my 6 years of career, I have always fought for good challenging work/projects in my organizations. Organizations in India are not involved in much of R&D activities or development activities , specially related to kernel or device driver. […]

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Loopback UDP to ATM Cells and Vice Versa..

Loopback from Adax Card (Node 3 ), didn’t work.. Was not able to decipher the reason but the sample application that was running on ADAX card was not able to loopback the packet. Packets were reaching only network processor of the ADAX card but were not relayed to the sample application that was working at […]

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Microsoft- We won’t support it.

Today another shock from Microsoft.  We don’t support this. We don’t support innovative and R&D projects that may be of use to masses. I am working on Windows USB Over IP project and I was aghast to know that Microsoft doesn’t support these kind of R&D project. Very disturbing 🙁 I was supposed to implement […]

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