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Subject: Re: StreamDevice "No reply from device" messages
From: Dirk Zimoch <dirk.zimoch@psi.ch>
To: tech-talk@aps.anl.gov
Date: Fri, 06 Dec 2013 09:39:13 +0100
Hi John,

I am thinking of a complete re-work of the error logging and debug output mechanism. This includes the possibility to switch on and off messages (debug and errors) for individual records and/or ports and to limit the amount of error messages and/or filter for error types. But this is non-trivial and takes some time.

Dirk

On 05.12.2013 20:33, John Dobbins wrote:
All,

I frequently encounter this situation and am wondering how to best
address it:

An IOC will have a device connected via StreamDevice. In my case it is
typically a serial device connected though a serial-to-ethernet server.
For some reason the serial device is not responding and the IOC console
will have frequent "No reply from device" messages making it difficult
to use the IOC console.

These messages come from StreamCore which calls error() - defined in
StreamError to print to stderr.

I don't see any built in way to redirect these messages. I can imagine
various changes but I am wondering what approach others may have taken
or might suggest.

Regards,

John Dobbins
Cornell University

epics base R3.14.2
stream 2.5.1
asyn 4.19
linux-x86_64



References:
StreamDevice "No reply from device" messages John Dobbins

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