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<== Date ==> <== Thread ==>
Subject: Re: [EXTERNAL] Re: caget freezes the bash script
From: Ralph Lange via Tech-talk <tech-talk at aps.anl.gov>
To: EPICS Tech Talk <tech-talk at aps.anl.gov>
Date: Thu, 22 Jul 2021 19:11:20 +0200
On Thu, 22 Jul 2021 at 15:05, Vodopivec, Klemen via Tech-talk <tech-talk at aps.anl.gov> wrote:
Interestingly, adding a dummy redundant pvget beforehand fixes the issue for the duration of the script:

pvget -p ca -w 0.5 -t ${BL}:CS:TL:RemExp:En 2>/dev/null
remexp_enabled=$(pvget -p ca -w 0.5 -t ${BL}:CS:TL:RemExp:En 2>/dev/null)

However, when similar dummy pvget is run before executing the script, the issue gets resolves completely.

Weird.
The easy explanation would be that pvget (or any library it uses) is changing the environment in a way that avoids the failure later on. Sounds unlikely, though.
Comparing environment dumps could rule that out.

~Ralph

References:
caget freezes the bash script Vodopivec, Klemen via Tech-talk
Re: caget freezes the bash script J. Lewis Muir via Tech-talk
Re: [EXTERNAL] Re: caget freezes the bash script Kasemir, Kay via Tech-talk
Re: [EXTERNAL] Re: caget freezes the bash script J. Lewis Muir via Tech-talk
Re: [EXTERNAL] Re: caget freezes the bash script Kasemir, Kay via Tech-talk
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