Re: bin/55423 (/bin/csh freezes when some interactive programs are suspended)

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR bin/55423; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: bin/55423 (/bin/csh freezes when some interactive programs are
 suspended)
Date: Tue, 6 Jul 2021 23:53:40 +0000

 On Sun, Jul 04, 2021 at 08:45:01PM +0000, Robert Elz wrote:
  >    |  My guess is that the job control state is borked, but I'm
  >    |  not sure how to check that from another shell.
  >  
  >  My guess is that the terminal is in non-echo (probably) cbreak mode,
  >  and that ...
  >  
  >    |  Probably need to have py38-readline installed for the behavior to
  >    |  manifest.
  >  
  >  that thing, or the application using it, isn't catching SIGTSTP to return
  >  the terminal to a sane mode before the process suspends.
  >  
  >  Try blind typing "stty sane^J"  (ie: end with an explicit line feed,
  >  not carriage-return) and see what happens.
 
 I had tried that but it didn't occur to me to use ^J, so of course it
 didn't work and thus seemed completely dead. Oops.
 
 oh well.
 
 To the original submitter: consider filing an upstream python bug
 report. Some things using readline fail and others don't, so it's
 probably not directly a readline issue. I think.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost