On 15 January 2014 15:28, Jeff Layton <jlayton@xxxxxxxxxx> wrote: > cifs.ko doesn't currently autonegotiate smb2+ connections. You have to > explicitly request them, so you're likely still using smb1 with the > above fstab entry. > > If you're getting -EHOSTDOWN errors back, then it sounds likely that > you're losing connectivity to the server. If updating the server > changed something then it's likely that that's where the problem is. > > I'd take a hard look at whether connections are getting dropped by the > server and why... Thanks for the pointers and steering me away from SMB. I was able to reproduce the issue (sometimes) over a plain TCP connection. I highly suspect a driver issue on the server machine. Anyhow, not CIFS related. Case closed. -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html