Bug#538158: Works for me on kernel 2.6.32-2

[Juan Miguel Corral Cano <cde_ruylopez@yahoo.es>]

Hi. I had the same problem on several machines of my network (all of 
them using nfs-mounted homes). We installed kernel 2.6.32-2 from 
lenny-backports a couple months ago, and no hang since then.

Hope it is helpful. Best regards. Juan.