Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Thu, 21 Jan 1999 14:48:57 -0600

Jeff Hill wrote:
> 
> In the past long boot delays have been observed when an IOC comes up and reuses
> the same IOC side dynamically assigned TCP port that it was using in the past. In this situation
> some IP kernels on the server side detect out of order TCP/IP sequence numbers but will
> not disconnect until a long time out has expired. I don't know why changing the version of EPICS
> would have any impact on this. Apparently this behavior varies with the version and vendor
> of the IP kernel.

In this circumstance though the long delay seems to be on access to
every file, and I thought the symptoms Jeff described only occurred once
at startup (I may be mistaken though).

Garrett - are you booting using rsh or ftp?  If rsh, check that the
.cshrc file isn't taking a long time to execute - every time vxWorks
wants a file, it has to start a new shell on the host.

- Andrew

-- 
  New country, new job, new address, new .signature; same old Andrew
Johnson

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System