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Subject: RE: EDM freezes
From: "Szalata, Zenon M." <[email protected]>
To: "John Dobbins" <[email protected]>, "Brian Bevins" <[email protected]>
Cc: EPICS Techtalk <[email protected]>
Date: Wed, 21 Jan 2009 09:10:02 -0800
Thanks to both,
In my case EDM freezes completely, so that it has to be killed with the kill command.
It sounds like I need to get a newer version of EDM (1-11-1z).

Zen 

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of John Dobbins
Sent: Wednesday, January 21, 2009 8:52 AM
To: Brian Bevins
Cc: EPICS Techtalk
Subject: Re: EDM freezes

I believe we also see the second behavior but I think it it occurs with only some of our screens.

edm version 1-10-1zb on Scientific Linux SL release 4.5 (Beryllium)

John Dobbins

Brian Bevins wrote:
> Hi Zen,
> 
> It depends on exactly what you mean when you say the EDM "freezes". 
> What you're describing might be an instance of one of two known problems.
> 
> 1) There were problems with embedded and related displays that were 
> not fully resolved until 1-11-1z. The problem was especially acute 
> with "on focus" related displays that pop up when you just mouse over 
> the widget with no click, but there were other associated issues with 
> embedded and related displays. Depending on the specific version you 
> could see anything from stuck popups that won't close to EDM freezing 
> completely (no screen redraws at all) to EDM crashing.
> 
> 2) There is a more subtle ongoing problem that (as far as I know) has 
> only been reported here at Jefferson Lab. When an EDM session has been 
> left running for a long (variable) time, the widgets will stop 
> updating despite the fact that the PV values are still changing. There 
> is no visual clue that anything is wrong, unless you can see the same 
> PV's in a different app or a separate EDM session. Usually everything 
> will start updating again if you open or close a display, or even 
> expose a covered display. This issue only started when we moved from 
> HP-UX to RedHat Enterprise Linux. It has not yet been resolved.
> 
> Hope that helps.
> --Brian
> 
> Szalata, Zenon M. wrote:
>> I am observing that EDM freezes with my application which uses a 
>> number of related displays.  This happens when I pop up the related 
>> displays a few times.  It is not very reproducible, sometimes it 
>> happens after a few clicks on the related display buttons, at other 
>> times the application will survive many such clicks.
>> I have a vague memory of an e-mail when someone else reported a 
>> similar problem, but I cannot find any evidence of that.
>>
>> I am currently using edm 1.11.1t.
>>
>> Is this a known problem and if so, has the issue been resolved?
>>
>> Thanks in advance,
>> Zen
>>   
> 


Replies:
Re: EDM freezes John Sinclair
References:
EDM freezes Szalata, Zenon M.
Re: EDM freezes Brian Bevins
Re: EDM freezes John Dobbins

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