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MSDN link on how to set up a user or kernel debugger

This has got to be one of the top FAQs out there: how do I set up a kernel debugger? I just stumbled across a link on MSDN which gives instructions not only on how to set up a kernel debugger on all transports (serial, 1394, usb2), but also how to set Read More...
Posted Thursday, January 29, 2009 11:15 AM by doronh | 0 Comments
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Debugger commands (.step_filter) that make my life easier

This is a pretty cool and somewhat obscure debugger command.  It allows you to tell the debugger what functions to skip if you are using the trace command ('t').  I think of the trace command as the 'step into' command though, but that is just Read More...
Posted Wednesday, April 16, 2008 4:02 PM by doronh | 0 Comments
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Getting 64 bit Vista to open my Inbox the way I want it to

A bit over a year ago I had to figure out why my Mail key started behaving differently on Vista vs XP and wrote about how I fixed it.  Well, my dev box was so slow that I was able to employ enough sympathy that I got a new one.  While my old Read More...
Posted Tuesday, March 11, 2008 4:00 PM by doronh | 1 Comments
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A must have book for any Windows developer

I saw a book, Advanced Windows Debugging , in the Microsoft company store and quickly read through it. It looked pretty awesome in the level of detail and breadth that it covered. I ordered my own copy and I think it would be an invaluable resource for Read More...
Posted Wednesday, December 19, 2007 10:21 AM by doronh | 4 Comments
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Changes to !poreqlist

I posted about !poaction and !poreqlist about a year ago. I tend to use these extensions whenever I am debugging a power related issue in the framework. A few months ago, I ran !poreqlist and got the following output 0: kd> !poreqlist All active Power Read More...
Posted Friday, March 23, 2007 11:47 AM by doronh | 0 Comments
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Debugger command (!list) that makes my life easier

Yesterday I introduced the dl command and demonstrated some of its limitations. Today I will talk about !list . Let's take yesterday's data structure, MY_DATA. What if the LIST_ENTRY is at the end of the structure or there is more data in your structure Read More...
Posted Thursday, August 10, 2006 8:06 AM by doronh | 7 Comments
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Debugger command (dl) that makes my life easier

The use of the LIST_ENTRY structure in WDM is quite pervasive. It is used for nearly all list keeping tasks. I have used it extensively in the past and KMDF uses it quite a bit as well. There are two debugger commands that help in viewing the contents Read More...
Posted Wednesday, August 09, 2006 3:34 PM by doronh | 2 Comments
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Viewing your KMDF log in a mini-dump (and other post mortem features)

Your KMDF driver log can also be available in a mini-dump under certain circumstances. If you have a full kernel dump or a full memory dump, the log will be always present (barring any memory corruption or problems writing out the dump file). KMDF will Read More...
Posted Wednesday, August 02, 2006 4:03 PM by doronh | 0 Comments
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Customizing the KMDF log for your driver

Yesterday I talked about the KMDF log. The KMDF log is a great tool to debug why a DDI call has failed or diagnose the cause of a bugcheck in your driver. You can customize different attributes of the log so that you can better debug your driver. The Read More...
Posted Tuesday, August 01, 2006 3:55 PM by doronh | 0 Comments
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How can I view the KMDF log for my driver?

A lot of developers have a great experience with KMDF, but then they sometimes hit a wall. They add a chunk of code and the drivers start failing because something in the new code was not implemented correctly. The first question that comes to mind is Read More...
Posted Monday, July 31, 2006 2:52 PM by doronh | 1 Comments
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Debugger commands (stack frame navigation) that makes my life easier

One thing that I have always found clunky is stack frame navigation in windbg/kd. Previously, I thought you had only a couple of options. The first option, if you are using WinDBG, is that you can bring up the call stack window. I have found that this Read More...
Posted Friday, July 21, 2006 8:00 AM by doronh | 9 Comments
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New debugger package is now public

You can download the package from WHDC . It is hard for me to keep track of when they go public, we get internal drops more often and so it is hard for me to know when fixes see the (external) light of day. Enjoy. Read More...
Posted Wednesday, July 19, 2006 8:58 PM by doronh | 2 Comments
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Debugger commands (!error, .enable_long_status) that makes my life easier

One thing you learn very quickly when writing a driver is that NTSTATUS is used almost everywhere . The consistency is nice, especially compared to user mode where errors can be an HRESULT , LONG , or DWORD (yes they are all the same underlying type, Read More...
Posted Friday, July 07, 2006 2:29 PM by doronh | 5 Comments
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Why does my COM port disappear when I enable the kernel debugger?

A lot of folks are told to connect a kernel debugger (over a serial calbe) to their systems if it is constantly blue screening or if there are suspected issues in the kernel or a loaded driver. Most of these folks do not have the skills to debug the issue Read More...
Posted Wednesday, June 07, 2006 10:39 PM by doronh | 0 Comments
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Previous command completion in WinDBG

One of the features I like about kd is that since you are using a console window, you get a lot of the console functionality for free. The 2 features that I really like are tab (err, F8) completion and the listing of command history (F7). On the other Read More...
Posted Monday, May 22, 2006 4:24 PM by doronh | 3 Comments
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