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Catching up with our fellow MS Bloggers

It occurred to me that with so many technical blogs out there, that it might be useful to bring you some posts from our fellow bloggers here at Microsoft that have been published recently … If you haven’t been keeping up with our colleagues over at the Read More...
Posted Tuesday, October 21, 2008 6:00 AM by CC Hameed | 0 Comments

BAD_POOL_CALLER? What the …

From time to time, a customer support incident for a bugcheck will make its way over to us on the Performance team.  Those of you that have worked with support engineers on the Performance team already know that we generally don’t work with bugcheck Read More...
Posted Friday, August 29, 2008 6:00 AM by CC Hameed | 0 Comments

Two Minute Drill: UMDH.EXE

Hello there! My name is Mike and I am an Escalation Engineer with the Platforms team. I’ve been reading the AskPerf blog for a while and wanted to share some information about a very useful troubleshooting tool. A quick word of warning though – to really Read More...
Posted Tuesday, July 08, 2008 6:00 AM by CC Hameed | 7 Comments

Two Minute Drill: Find /3GB without using boot.ini

We've talked a lot about the /3GB switch and its effect on system resources in previous posts.  Today we are going to discuss how to determine whether or not /3GB is enabled on a 32-bit system without looking at the boot.ini file or using MSCONFIG.EXE.  Read More...
Posted Tuesday, May 27, 2008 6:00 AM by CC Hameed | 5 Comments

Troubleshooting Server Hangs – Part Four

Welcome to Part Four of our Server Hang troubleshooting series. Today we are going to discuss PTE depletion and Low Physical Memory conditions and how those two issues can lead to server hangs. In our post on the /3GB switch we mentioned that in general, Read More...
Posted Friday, May 16, 2008 6:00 AM by CC Hameed | 4 Comments

Troubleshooting Server Hangs – Part Three

In our last post on Server Hangs, we discussed using the Debugging Tools to examine a dump file to analyze pool depletion.  Today we are going to look at using our troubleshooting tools to examine a server hang caused by a handle leak.  Issues Read More...
Posted Friday, May 09, 2008 6:00 AM by CC Hameed | 2 Comments

Troubleshooting Server Hangs – Part Two

Several months ago, we wrote a post on Troubleshooting Server Hangs .  At the end of that post, we provided some basic steps to follow with respect to server hangs.  The last step in the list was following the steps in KB Article 244139 to prepare Read More...
Posted Tuesday, May 06, 2008 6:00 AM by CC Hameed | 2 Comments

Using Special Pool to find out who is allocating a Pool Tag

OK, a quick disclaimer right at the start.  The steps we discuss in this post assume that you are very comfortable with kernel debugging, and in particular live debugging.  This is a bit of a niche post, but it is a question that we get every Read More...
Posted Tuesday, April 15, 2008 6:00 AM by CC Hameed | 1 Comments

Understanding Crash Dump Files

At the end of 2007 we talked about Bugchecks and why they happen .  Today we're going to talk about the Crash Dump files themselves - the different types of dumps, how the dumps themselves are generated and why you will need a correctly sized page Read More...
Posted Tuesday, January 08, 2008 6:00 AM by CC Hameed | 6 Comments

What a Heap of ... (Part Two)

On Tuesday, we talked about Heap - what it is and how it works. Today we're going to continue our look at Heap. At the end of the last post we mentioned Look-Aside Lists and Low Fragmentation Heap. But before we dive into those, let's take a look at Heap Read More...
Posted Friday, June 29, 2007 5:14 AM by CC Hameed | 4 Comments
 
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