WCF: Getting MessageSecurityException while calling webservice

Time flies and it looked like it was yesterday that i wrote my last post. Last couple of months have been very busy, so blogging was put on hold but everytime i got a case that i believe i should talk about it, i kept it. So expect a burst on posts. Yesterday, I and…


Windbg: Get image loaded in memory

I´m starting a new section called Tips with the goal of showing commands that are very useful when doing memory dump analysis. The first one is on how to get a image loaded into memory to file. When i´m looking at a managed memory dump almost always there is the need to look inside the…


SQL Server High CPU caused by trace filter

Consider the scenario where you take several memory dumps from SQL Server because you are getting very high CPU without apparent reason. After looking at this memory dumps you notice that almost every thread has a call stack similar to the one below then you might be facing the issue described at http://support.microsoft.com/kb/953496  (FIX: CPU…


SOS/PSSCOR & .effmach

Recently in one of our internal forums there was this thread around debugging different architectures (IA64, AMD64,x86) and the right environment to analyze the memory dump.   If you have a IA64 memory dump then you will have to use a IA64 architecture to analyze the memory dump. If you have a 64 bit process…


Tools @ Performance Analysis of Logs

I´ve decided to start a new section in my blog around tools I use that help me a lot in my daily work. But first I want to give a big thanks to everyone that has projects under CodePlex because there are a lot of excellent projects there and for the time you guys take…


OutOfMemory & CompiledAssembly

Problems seem to occur in batches. Last week the hot topic was OutOfMemory exceptions. I got a memory dump that a customer took around the time they were getting OutOfMemory exceptions. I asked them to collect some performance counters so that we could figure out what this leak was all about. The performance counters we…


Under the hood with live debugging

The team i belong to (Portugal Adcs) has a blog called Deviations (http://blogs.msdn.com/deviations) and from time to time i will post some stuff over there (when that happens i will put a link here). My latest post there was about live debugging using Windbg and you can check it out at http://blogs.msdn.com/deviations/archive/2009/03/18/under-the-hood-with-live-debugging.aspx Have fun Bruno