From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050512 Red Hat/1.0.4-1.4.1 Firefox/1.0.4 Description of problem: Version-Release number of selected component (if applicable): kernel-2.6.9 How reproducible: Always Steps to Reproduce: 1.load kernel 2.mount nfs 3.access files through nfs especially streaming videos, and measure performance Additional info: