message: Update FAQ.md
  add question/resolution for Linux perf driver issues
diff: @@ -55,3 +55,18 @@ Secure Boot detected. Using Linux perf for uncore PMU programming.
  How to fix it?
  Answer: Linux disables access to /dev/mem because Secure Boot is enabled in the BIOS. Disable Secure Boot in the BIOS to enable memory controller statistics (e.g. memory read and write bandwidth).
  +
  +## Q9
  +
  +PCM reports
  +```
  +Linux Perf: Error on programming ...
  +```
  +How to fix it?
  +
  +**Answer:** It is an issue with the Linux kernel perf driver. As a workaround upgrade your Linux kernel to the latest available/possible or run PCM with its own programming logic:
  +
  +```
  +export PCM_NO_PERF=1
  +pcm.x -r
  +```
  