Understanding Pool Corruption Part 3 – Special Pool for Double Frees

In Part 1 and Part 2 of this series we discussed pool corruption and how special pool can be used to identify the cause of such corruption.  In today’s article we will use special pool to catch a double free of pool memory.   A double free of pool will cause a system to blue…

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Event ID 157 "Disk # has been surprise removed"

Hello my name is Bob Golding and I would like to share information on a new error you may see in the system event log. It is Event ID 157 "Disk <n> has been surprise removed" with Source: disk.  This error indicates that the CLASSPNP driver has received a “surprise removal” request from the plug…

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