Re: CA Gateway problem

[Dirk Zimoch <dirk.zimoch@psi.ch>]

Kenneth Evans, Jr. wrote:
> We have had problems of that nature that derive from a bug in RSRV, the
> server in the IOCs, for 3.13 IOCs.  The IOC loses contact with the client
> (e.g. Gateway) and marks the circuit as down but doesn't close the socket.
> The Gateway thinks it is still connected and continues sending out its
> cached data.  There is no way to make the Gateway reconnect except to
> restart it.  All channels in the circuit are affected.  (A circuit is all
> the connections between one client and one server, all associated with the
> same TCP/IP socket.)  Other Gateway circuits are OK.  The problem seems to
> be associated with a lack of MBUFs in the IOC at some time.  There may be no
> memory problems later when you look at it, however.  This problem was fixed
> in 3.13.10, and RSRV now closes the socket so that the Gateway knows it is
> disconnected.
>
> 	-Ken
But other channels on the same IOC (i.e. in the same circuit) are ok. I 
have never seen the same error with other clients but the gateway.

Dirk

--
Dr. Dirk Zimoch
Swiss Light Source
Paul Scherrer Institut
Computing and Controls
phone +41 56 310 5182
fax   +41 56 310 4413