OSR Developer's Blog

Welcome to the OSR Developer's technical blog. We've relocated the blog here from our OSR Online site to make room for renovations of that site.

This blog is an independent home for our developers to post technical items of interest to the community. It you enjoy it, you can follow our RSS feed from this URL.

C Is Not Reasonable

19 September 2016

by PeterGV

Those of you who’ve read my Pontifications over the years know that the things that annoy me are truly countless in number. But most of the things that annoy me Read more

Debugging Target RS1? Good Luck!

26 August 2016

by PeterGV

[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

Careful With Your WDK Updates!

3 August 2016

by SNoone

I can never help myself when it comes to updating to the latest WDK. It’s always exciting to diff the old contents with the new and see what’s really going Read more

Careful With Your VS 2015 Updates!

3 August 2016

by PeterGV

[Last updated 3 Aug 2016, 11:05 Eastern time to clarify some wording] Yesterday was 2 August 2016 — Windows 10 Anniversary Update (1607, build 14393) was released. As welcome as Read more

WDK 14393 Code Analysis Enforces POOL_NX_OPTIN, Breaks POOL_NX_OPTIN

2 August 2016

by SNoone

In an interesting twist, build 14393 of the WDK now enforces the use of NX non-paged pool:

buffer = ExAllocatePoolWithTag(NonPagedPool,
                               4096,
                               ' RSO');

nxoptinbreak.cpp(24): warning C30030: Warning: Allocating executable POOL_TYPE memory

buffer = ExAllocatePoolWithTag(NonPagedPool,

4096,

' RSO');

nxoptinbreak.cpp(24): warning C30030: Warning: Allocating executable POOL_TYPE memory

This is a good thing as it will force all of us Read more

Fix WDK Doc Issues — Yourself. And Fast!

2 August 2016

by PeterGV

If you use the WDK doc set all day, every day, you almost certainly have a few pet peeves — things in the docs that drive you nuts and that you’d Read more

Driver Signing — More Details Emerge

2 June 2016

by PeterGV

Microsoft has just published a new Channel 9 Video that explains many of our long-standing questions about driver signing. The video was made during last month’s PlugFest that took place at Read more

TH1, RS1, 1511, 14332 — Happy Anniversary?

13 May 2016

by PeterGV

If you’re having trouble following the lingo, code names, version numbers, and build numbers of the recent Windows releases you’re not alone. Our test lead recently asked me: “Redstone? Is Read more

Secrets of Using Win10 IoT Core on the RPI 3 (and staying sane)

15 April 2016

by PeterGV

(Last Updated: 19 April 2016) To me, there’s just something fun about running Windows on a tiny computer. This is true even when the version of Windows you run is IoT Read more

Legacy File System Filters Blocked in Build 1607

31 March 2016

by SNoone

Ever since the release of Filter Manager over 10 years ago, there have been rumblings about the fate of the existing legacy File System Filters (i.e. any FS filter that Read more