Chuck, Here is what the systems are running, 3.10.0-123.el7.x86_64 #1 SMP Thu Sep 11 15:55:14 CDT 2014 x86_64 x86_64 x86_64 GNU/Linux Scientific Linux release 7.0 (Nitrogen) Thanks Rupert -----Original Message----- From: Chuck Lever [mailto:chuck.lever@xxxxxxxxxx] Sent: Thursday, March 26, 2015 1:58 PM To: Steve Dickson Cc: Rupert Dance; Linux NFS Mailing List Subject: Re: Connectathon Issues On Mar 26, 2015, at 12:19 PM, Steve Dickson <SteveD@xxxxxxxxxx> wrote: >> There are several other combinations that cause other errors: >> >> 1. The test hangs and no error is reported. In these cases the >> client system MUST be restarted before it becomes usable again. The >> server system is restarted to get back to a known good state and >> clear the exports before restarting testing >> >> 2. Connectathon Basic test hangs with the client system displaying: ./test5: >> read and write > Is it really hung or is it just slow? On the client, use tshark host > <server> to see if there is anything going over the wire. I'm guessing Rupert is using NFS/RDMA. If true, tshark is not going to be helpful. Rupert, what is the output of "uname -a" on your systems? -- Chuck Lever chuck[dot]lever[at]oracle[dot]com -- 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