Re: Is this a bug?

From	Chet Ramey <chet.ramey@case.edu>
Newsgroups	gnu.bash.bug
Subject	Re: Is this a bug?
Date	2020-08-19 14:44 -0400
Organization	ITS, Case Western Reserve University
Message-ID	<mailman.400.1597862681.2469.bug-bash@gnu.org> (permalink)
References	(4 earlier) <6575997b-0217-046a-8ef1-0437571475ca@case.edu> <1699062943.4171052.1597809756404@mail.yahoo.com> <16e6944b-9707-a80c-3602-e76edcca64ec@case.edu> <630008166.4463802.1597857290469@mail.yahoo.com> <054462f1-e801-bdcc-8f0d-b880ef8eab79@case.edu>

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On 8/19/20 1:14 PM, George R Goffe wrote:
> Chet,
> 
> How can I help capture data about this problem?
> 
> When I run bash in one konsole and it hangs, I do an strace on that pid and the strace -xvfp <pid> always shows pselect. Eventually, the results come back but til then, the session is frozen.

You can try running gdb on bash from another terminal, attaching to the
hanging bash process with `attach <pid>', and generating a backtrace from
gdb. That would at least give you the call stack.

Make sure to run the bash instance you're testing with `--noprofile --norc'
to get as vanilla an environment as possible.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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Re: Is this a bug? Chet Ramey <chet.ramey@case.edu> - 2020-08-19 14:44 -0400

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