PRB: RML Utilities - ReadTrace -M or -MF parameters cause processing to fail with SQL 2008 trace files
Summary
ReadTrace processing may unexpectedly stop with an assertion if you use the -M or -MF parameters with SQL 2008 trace files.
Workaround
Do not use the -M or -MF parameters with SQL 2008 trace files.
More Information
This problem is currently being investigated and I will post back with any updates.
Sarah Henwood | Microsoft SQL Server Escalation Services