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X-HELO: calimero.vinschen.de
Date: Sat, 28 Feb 2015 16:30:35 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] (last?) TEST RELEASE: Cygwin 1.7.35-0.5
Message-ID: <20150228153035.GD11124@calimero.vinschen.de>
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References: <announce DOT 20150227175205 DOT GP11124 AT calimero DOT vinschen DOT de> <0B1779D1-F99A-4B3A-87FB-50AE581FD1B7 AT Denis-Excoffier DOT org> <20150228121357 DOT GS11124 AT calimero DOT vinschen DOT de> <F4046FFA-03E6-4506-AEB9-BA4AF7C42EF9 AT Denis-Excoffier DOT org>
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On Feb 28 15:19, Denis Excoffier wrote:
> On 2015-02-28 13:13, Corinna Vinschen wrote:
> >=20
> > On Feb 28 00:23, Denis Excoffier wrote:
> >> On 2015-02-27 18:52, Corinna Vinschen wrote:
> >>>=20
> >>> I released another TEST version of the next upcoming Cygwin release.
> >>>=20
> >> I have noticed that the behavior of /usr/bin/script is not better than
> >> previously (probably the change resides near
> >> https://cygwin.com/ml/cygwin-cvs/2015-q1/msg00094.html).
> >>=20
> >> For at least several weeks, the behavior was ok, except for the
> >> Return key, which had to be hit several times to take effect. But the
> >> other characters were ok.
> >>=20
> >> Now (after 2015-02-26), only every fourth character that i type
> >> is flushed to the command line, Return key included. For example,
> >> suppose that my command is "abcdefgh": only after i hit the 'd' key
> >> is "abcd" displayed, and only after i hit the 'h' key the
> >> "efgh" is displayed (the command line reads "abcdefgh"); now
> >> i have to hit four times the return key to "enter" the command.
> >>=20
> >> Previously, the fourth-character-delay was probably already there,
> >> but only for the Return key.
> >=20
> > I can't reproduce this.  I started script, script starts my shell, and
> > then I can type and I see every character I type immediately, including
> > the ENTER key.  I tried with SHELL set to /bin/tcsh as well as with
> > /bin/bash.
> >=20
> Oops, forgot to mention: it is under xterm only. Under cmd.exe or under
> mintty, all is correct.

Since when do you see this problem?

I can not reproduce this in mintty, nor in a Cygwin xterm started on a
remote X server running under Linux.  I can reproduce this with a local
xterm started via startxwin.  But, and that's the problem, I can
reproduce it with the current 1.7.35-0.5 test release, with 1.7.34, and
last but not least also with a debug version of the Cygwin DLL in which I
backed out all PTY-related changes since last November.

I'm not sure this is a giveaway, but from that it seems this problem
is not directly related to a Cygwin change in the last months.

So, jturney and I are wondering when exactly you encountered this problem
for the first time.  Did it coincide with a certain Cygwin release,
or a certain X server?  Or new X libs, perhaps?

Anything you can provide to narrow down the potential culprit would be
helpful.


Thanks,
Corinna

P.S.:  Given my findings, I'm not going to treat that as a regression
for the time being.

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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