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The strange case of the large LiveKernelReports folder
Some time back, I ran into a bit of a space crunch on the C: drive of my laptop which runs Windows 8.1. On digging a bit, I found a 2GB+ file at C:\Windows\LiveKernelReports\WinsockAFD-20150114-1722.dmp. Now, this was the first time I had seen a folder called LiveKernelReports and definitely the first...
8 Jun 2015
WOW64 madness: debugging through the confusion
Last week I was teaching unmanaged code debugging to one of my customers. They were using 32-bit applications on 64-bit servers, which does create some unique problems. For example, capturing a ‘hang’ dump using right click on the Task Manager –> Processes list, will create a ‘64-bit dump’ (if that...
11 Dec 2014
A curious case: CLR/COM Interop leak
Background A customer asked me a question last week: in CLR-COM interop case, who is responsible to free up a string returned from COM? My understanding was that the interop layer setup by .NET will automatically take care of this. However, I thought a mock test would not do any harm. To my surprise...
3 Oct 2012
Free training video series: .NET Debugging for production environments
This is a quick one: my PFE colleagues Brad Linscott and Mario Hewardt have contributed an excellent video series on Channel 9. Check it out NOW at .NET Debugging for the Production Environment ! Awesome stuff!
1 Oct 2012
‘Proof of the pudding’: Global variables and PAGE_EXECUTE_WRITECOPY
Today I was teaching a debugging class to our customers. As a foundational element we normally review the virtual-to-physical address translation mechanism, at least to a basic level. In this class we decided to go a bit deeper and show the evidence Background reading First, if you are not familiar...
25 Sep 2012
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