[Gluster-users] How to debug a hanging client?

[Amar Tumballi]

>
>
> Could this be a bad IB card? After a reboot of pserver12 the system work
> again, a try to shut down and restart just the ib0 interface failed (hung)
>
>
Yes, it could be as the log suggests. It means that IB driver is trying to
send the message and its failing max number of retries. If  you are using
IB, make sure 'ibv_srq_pingpong' tests run fine from server to server (and
client to servers too).

Regards,
Amar
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