Is this a known bug?

[J. Bruce Fields]

On Wed, Dec 06, 2006 at 11:00:11AM -0800, Huang, Eric wrote:
> I encountered a problem during IOzone throughput tests with 4 threads.
> The file size is 2GB (my system has 2GB memory). The iozone process will
> hang there in a state of "uniterruptable wait" during the "random write"
> test, and eventually the whole system stops responding.

"the whole system" is the client?  What are the server and client kernel
versions?

--b.