On Thursday 09 July 2009 18:34:40 Hans Petter Selasky wrote: > > Full log with backtraces is here: > > http://people.freebsd.org/~raj/logs/usb-cache.log > > 1) My analysis: Only the data areas are being flushed/invalidated. I also see that the flushing/invalidating is being done correctly. --HPS