Author Archives: smartwindows

About smartwindows

Support professional for Microsoft technologies with interest in Performance and Debugging

Chasing the White Rabbit

For years I have been working with Windows operating systems and one point I really like to dig in is performance. The cool thing about working with Performance is that you are chasing a White Rabbit… It is not looking … Continue reading

Posted in White Rabbit | Leave a comment

Verifier and Empty Registry key

Well first blog from the Land of 10,000 lakes. Somebody had a server with a continuous boot cycle due to a crash… NICE Upon checking the bugcheck code 0xC4 – Verifier crash… It has been a long time I did … Continue reading

Posted in !verifier, WinDBG Trick | Tagged , | 2 Comments

Analyzing 0x9E BSOD–Part III

Hello , It has been a long time coming to finish up this third part of the blog. Well, today we had post at ntdebugging blog about 0x9E – – and I could not let pass this chance to … Continue reading

Posted in BSOD, Hang | Tagged | Leave a comment

Bugcheck 0x124–Hardware error has occurred

There are some bugcheck codes that scream the root cause right in their description and 0x124 is one of them. 13: kd> !analyze -show 0x124 WHEA_UNCORRECTABLE_ERROR (124) A fatal hardware error has occurred. Parameter 1 identifies the type of error … Continue reading

Posted in WinDBG Trick | Tagged | Leave a comment

Analyzing 0x9E BSOD–Part II

Continuing some tips from the previous blog on troubleshooting a 0x9E BSOD, I mentioned that we should use hang dump analysis tactics to this particular blue screen. Using the same kernel dump from the blog, we checked that !exqueue /f … Continue reading

Posted in BSOD, Hang, Performance | Tagged | 1 Comment

Analyzing 0x9E BSOD–Part I

Now that the World Cup is over… By the way Congratulations to all Germans !! Back to debugging and blogging … One very popular bugcheck I face is the 0x9E – USER_MODE_HEALTH_MONITOR – that causes some misleading interpretation on the … Continue reading

Posted in BSOD, Hang | Tagged | 1 Comment

Exchange Server 2013–0xEF BSOD

Lately I have seen a couple of incidents where Exchange Server 2013 machines would blue screen periodically. All BSOD’s had the same bugcheck code 0xEF. From WinDBG help: 0: kd> !analyze -show 0xEFCRITICAL_PROCESS_DIED (ef)        A critical system process diedArguments:Arg1: 0000000000000000, … Continue reading

Posted in 0xEF, BSOD | Tagged | 1 Comment