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NMI watchdog may trigger a panic

On systems with a large number of CPUs, under certain heavy file system load patterns it is possible for the NMI watchdog to trigger a panic due to spin lock contention. Should this condition be encountered the recommended workaround is to impose write throttling. For example:

# vxtunefs -o write_throttle=8192 /mnt-point

This issue will be fixed in the next 5.0 maintenance pack.