fileid changed

I'm getting fresh reports of "fileid changed" with Benny's latest pnfs-all-latest. This is x86_64 4.1 non-pnfs client against EMC Celerra server. I'm getting a tcpdump now. The kernel does have the nfs_same_file() fix that Trond sent in November.

NFS: server 10.244.76.184 error: fileid changed
fsid 0:15: expected fileid 0x19, got 0x4d0000fb
NFS: server 10.244.76.184 error: fileid changed
fsid 0:15: expected fileid 0x1b, got 0x4d00047c
NFS: server 10.244.76.184 error: fileid changed
fsid 0:15: expected fileid 0x1a, got 0x4d00047c
NFS: server 10.244.76.184 error: fileid changed
fsid 0:15: expected fileid 0x1c, got 0x4d00047f
NFS: server 10.244.76.184 error: fileid changed
fsid 0:15: expected fileid 0x1d, got 0x4d000481