On Wed, Feb 02, 2011 at 11:28:14PM -0500, George Spelvin wrote: > > So the reboot was for an upgrade from 2.6.26-rcX to 2.6.38-rc3? I > > wonder if a reboot (or just a server restart) without changing kernels > > would see the same problem? > > Whoops, typo. It was from 2.6.36-rcX (I think -rc5, but it's scrolled > off the logs), not .26. > > > We work quite hard to ensure that filehandles returned from older nfsd's > > will still be accepted by newer ones. But that doesn't mean there > > couldn't failed at that somehow in some case.... > > I understand that sometimes there's an incompatible server change, but > I don't ever remember a Linux-linux nfs mount surviving a server > reboot. > > However, the problem I'm complaining about here is more alarming. With > a clean client, attempting to *mount* is failing with -ESTALE. Oh, apologies, I missed that. > > If you manage to reproduce the problem, /proc/fs/nfs/exports before and > > after the reboot would be interesting, and ideally also a network trace > > showing traffic before and after the reboot (including the operation > > that returned the STALE error). > > Can do. How much detail do you want in the packet trace? Is -vvv > enough, or do you want -X as well? Actually, the raw packet data would be most useful; so something like: tcpdump -s0 -wtmp.pcap then send me tmp.pcap. And the contents of /proc/net/rpc/nfsd.fh/content /proc/net/rpc/nfsd.export/content after the failure. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html