X-Recipient:	archive-cygwin AT delorie DOT com
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.4.1 sourceware.org C1D813857354
Authentication-Results:	sourceware.org;
	dmarc=fail (p=none dis=none) header.from=nifty.ne.jp
Authentication-Results:	sourceware.org; spf=fail smtp.mailfrom=nifty.ne.jp
DKIM-Filter:	OpenDKIM Filter v2.10.3 conssluserg-03.nifty.com 2453WvtA021170
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.ne.jp;
	s=dec2015msa; t=1651721578;
	bh=AcByLZxfPXMAYEknM7BufDpHZfT11qvPNPOsbmsEul4=;
	h=Date:From:To:Cc:Subject:In-Reply-To:References:From;
	b=wnbSGpsRlz0K3sSMmI+M6rm325sKfQ9sbEMexWTNBwYAyC8RJdM0XASXMyXI9kB12
	ec9gWFI0OrWbVlHZ7O4XJ1PR/FxT0UcvFHce1AJsrk95G9aop34m2nzqmDyUdThIIh
	1EjSX7ubCao8X03NBZEBks2lNSgRrV6cjFXYzqaUW08yzCp3QZdHv8bbuLyaDvicJs
	BvmNSUJ45fsGWnci5HYG+eFjhTjxFGmCrs0df2YF9wM5Dx9RKermgmfad0v8Mail7Z
	5hjNbq6yJSZ9SMhrw9X/ntRGck891mgE1JnlrpsEXx5ZCElHFGzKCp3ihEVJPMYjes
	drvs4gkUJddyA==
X-Nifty-SrcIP:	[119.150.44.95]
Date:	Thu, 5 May 2022 12:33:07 +0900
From:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To:	cygwin AT cygwin DOT com
Subject:	Re: mintty crashes on Windows 7
Message-Id:	<20220505123307.e745d7c88877316b9a38d0c9@nifty.ne.jp>
In-Reply-To:	<20220505105954.e910df2e6998d130a9373299@nifty.ne.jp>
References:	<CAGHpTB+t+gCySabZZQvJstZSLresmoOTUUL8of9cwCdvmGySdg AT mail DOT gmail DOT com>
	<20220504002343 DOT 4345bfe1630fa904276f0d37 AT nifty DOT ne DOT jp>
	<CAGHpTB+3V98eWDaHv7DCa133KWS39FaDFMUo=8qOJjxTFon51A AT mail DOT gmail DOT com>
	<20220504011018 DOT 7c455cedb38571f786d72ae9 AT nifty DOT ne DOT jp>
	<CAGHpTBJyOgYAzEvs3NLb8AzkiujbCKjaf+w-QSJAou47g-J-Cg AT mail DOT gmail DOT com>
	<CAGHpTB+tZX+z0ZkCNG-42bp4Pw+YKUXkccnnNqwN_tHRekk=UA AT mail DOT gmail DOT com>
	<20220504201610 DOT 125888f234ffe063fa6773c0 AT nifty DOT ne DOT jp>
	<CAGHpTBKphe_jSRS+9ihygODYGYYyzPfLPkt9H4rTDm9u7pMexw AT mail DOT gmail DOT com>
	<20220505102045 DOT fd6bfd46732e2eab0451e28c AT nifty DOT ne DOT jp>
	<20220505102724 DOT 11b5675450f2b4f723a8b70e AT nifty DOT ne DOT jp>
	<20220505105954 DOT e910df2e6998d130a9373299 AT nifty DOT ne DOT jp>
X-Mailer:	Sylpheed 3.7.0 (GTK+ 2.24.30; i686-pc-mingw32)
Mime-Version:	1.0
X-Spam-Status:	No, score=-5.6 required=5.0 tests=BAYES_00, DKIM_SIGNED,
	DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, NICE_REPLY_A,
	RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP,
	T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4
X-Spam-Checker-Version:	SpamAssassin 3.4.4 (2020-01-24) on
	server2.sourceware.org
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.29
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe:	<https://cygwin.com/mailman/options/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<https://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
Cc:	Orgad Shaneh <orgads AT gmail DOT com>
Errors-To:	cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

On Thu, 5 May 2022 10:59:54 +0900
Takashi Yano wrote:
> On Thu, 5 May 2022 10:27:24 +0900
> Takashi Yano wrote:
> > On Thu, 5 May 2022 10:20:45 +0900
> > Takashi Yano wrote:
> > 
> > > On Wed, 4 May 2022 16:27:43 +0300
> > > Orgad Shaneh  wrote:
> > > > On Wed, May 4, 2022 at 2:16 PM Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp> wrote:
> > > > >
> > > > > > Reduced the revert to this:
> > > > > > @@ -979,16 +979,10 @@ fhandler_pty_slave::open (int flags, mode_t)
> > > > > >         code does not work as expected because it calls Win32
> > > > > >         API directly rather than cygwin read()/write(). Due to
> > > > > >         this behaviour, protection based on attach_mutex does
> > > > > >         not take effect. */
> > > > > >      get_ttyp ()->need_invisible_console = true;
> > > > > > -  else if (_major (myself->ctty) != DEV_CONS_MAJOR
> > > > > > -    && (!get_ttyp ()->invisible_console_pid
> > > > > > -        || !pinfo (get_ttyp ()->invisible_console_pid)))
> > > > > > -    /* Create a new invisible console for each pty to isolate
> > > > > > -       CTRL_C_EVENTs between ptys. */
> > > > > > -    get_ttyp ()->need_invisible_console = true;
> > > > > >    else
> > > > > >      {
> > > > > >        acquire_attach_mutex (mutex_timeout);
> > > > > >        fhandler_console::need_invisible ();
> > > > > >        release_attach_mutex ();
> > > > >
> > > > > A few things about this.
> > > > >
> > > > > 1) bash exits with exit code 127 for 'mintty bash'
> > > > > 2) 'mintty bash' does not work, but 'mintty ash' and 'mintty tcsh' work.
> > > > 
> > > > Right. mintty dash also works.
> > > > 
> > > > Notice that I did *not* set enable_pcon (not supported on Win7 anyway).
> > > 
> > > Even without that commit (and also with msys2 3.3.4 release),
> > > something wrong with msys2 in Windows 7.
> > > 
> > > If you run script command (/usr/bin/script), bash crashes in
> > > similar way. typescript file generated by script command is
> > > as follows.
> > > 
> > > Script started on 2022-05-05 10:12:28+09:00 [TERM="cygwin" TTY="/dev/cons0" COLUMNS="80" LINES="25"]
> > > 
> > > Script done on 2022-05-05 10:12:29+09:00 [COMMAND_EXIT_CODE="127"]
> > > 
> > > bash also exited with exit code 127.
> > 
> > Ah, this only occurs if script command is started in console.
> 
> And also this is caused by:
> get_ttyp ()->need_invisible_console = true;
> at another place.

I found that bash crashes at:
      h = GetProcessWindowStation ();
in fhandler_console::need_invisible().

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -