I had the same issue with all of my linux clients here accessing a gigabit NAS. However after messing around the last weeks with this issue i finally found this hint:
http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.prftungd/doc/prftungd/HT_prftungd_impr_nfs_client_writing_perf.htm Mounting the NFS shares with option combehind in the clients solved the problem for me. -- Writing big files to NFS target causes system lock up https://bugs.launchpad.net/bugs/561210 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs