On 04/18/2017 12:03 PM, Eric Dumazet wrote: > On Tue, 2017-04-18 at 11:18 -0700, Florian Fainelli wrote: >> Hi, >> >> I am using NFS over a NAT with two e1000e adapters and with eth1 being >> the LAN interface and eth0 the WAN interface. The kernel is Ubuntu's >> 16.10 kernel: 4.8.0-46-generic. The device doing NAT over NFS is just >> mounting a remote folder and doing normal execution/file accesses. It's >> enough to untar a file from this device onto a NFS share to expose the >> problem. >> >> The transmit hangs look like the ones below, doing a rmmod/insmod does >> not help eliminated the problem, nor does a power cycle. Stopping the >> NFS over NAT definitively does let the adapter recover. > > Is this NFS over TCP or UDP ?
This is NFS over TCP mounted with the following: type nfs (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=2049,timeo=70,retrans=3,sec=sys,local_lock=none,addr=X.X.X.X) Thanks Eric! -- Florian
