I’ve been doing some research into the Windows Filtering Platform and the information available at each of the various filtering layers. In particular, I’ve been focusing on the information available Read more
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Jul
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Kernel mode debugging
17
OctAs a file system filter developer, one of the great pains in life is when a file system operation fails deep in the bowels of the file system. For example, Read more
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JunI was looking at a few different crashes today that were all eerily similar. In doing so, I realized that I hadn’t asked if these were all different systems or Read more
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JunWell, this one took us by surprise… MmBuildMdlForNonPagedPool is the standard shortcut function drivers use to build MDLs describing non-pageable memory. Despite the name, the buffer described by the MDL Read more
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FebDiagnosed yet another crash today that is likely due to the usage of IoBuildDeviceIoControlRequest. Long ago I was burned by this API and vowed to never use it again, but Read more
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JulI found myself in a situation this week where I really wanted to call the API SeTokenIsAdmin. I vaguely remembered some issues around this API, and Googling quickly brought up Read more
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MayIn case you’ve missed it, there are tons of changes going on under the covers in WinDbg. There is a fundamental paradigm shift going on in terms of how WinDbg Read more
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AprTL;DR: Don’t waste your time like we did – 1394 boot debugging no longer works on the latest builds on Windows 10. As you might already be aware, native 1394 kernel Read more
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FebYet another interesting case lands on our doorstep thanks to NTDEV (original post here). I firmly believe that you have zero chance in diagnosing a non-trivial crash if you don’t Read more
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Aug[Last updated 31 Aug 2016, 16:11 Eastern time] Update: As of 31 August 2016, we have verified that RS1 symbols are now present and indexed on the MSFT Symbol Server. Yay! Read more
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- Followup: Microsoft: No More Updates Allowed for Drivers on Win 7, Win 8, Win 8.1 26 January 2021 Matthias_Lehmann
- Publishing a Device Driver Interface (DDI) from a control driver 25 January 2021 BalajiKulkarni
- Power off PC function? 21 January 2021 Sooncheol_Won
- Question regarding Virtual HID Framework 20 January 2021 jtomczyk
- Issues with SDV invalidreqaccess - seems to get into impossible situation of duplicate completion 20 January 2021 jdallman
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