Lars Ingebrigtsen <larsi@HIDDEN>
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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: "Drew Adams" <drew.adams@HIDDEN>
Subject: Re: bug#10122: 24.0.91;
C-x C-v, invisible text: "Cannot switch...dedicated window"
References: <AF2FB2B686B1495CBC0BB44811BA673D@HIDDEN>
<80C5FC7816CD4D5FBA10504B9B54857C@HIDDEN>
<9562EC07958F4E5C86AD78D20A416794@HIDDEN>
Date: Thu, 28 Apr 2016 13:43:33 +0200
In-Reply-To: <9562EC07958F4E5C86AD78D20A416794@HIDDEN> (Drew Adams's
message of "Wed, 23 Nov 2011 16:52:07 -0800")
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Content preview: "Drew Adams" <drew.adams@HIDDEN> writes: > Playing around
a little more, I see that when you use `C-x C-v', even when there > is no
problem, it temporarily switches to another existing buffer in the same >
window. That would seem to be the cause of the problem: If that buffer
switched
> to is, like *Pp Eval Output* in my case, dedicated, then suddently it throws
a > monkey wrench in the system. > > The dedicated nature of that temporarily
substituted buffer should presumably > not enter into the picture at all
(if we in fact need to temporarily substitute > some other buffer in that
window). [...]
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Content preview: "Drew Adams" <drew.adams@HIDDEN> writes: > Playing around
a little more, I see that when you use `C-x C-v', even when there > is no
problem, it temporarily switches to another existing buffer in the same >
window. That would seem to be the cause of the problem: If that buffer switched
> to is, like *Pp Eval Output* in my case, dedicated, then suddently it throws
a > monkey wrench in the system. > > The dedicated nature of that temporarily
substituted buffer should presumably > not enter into the picture at all
(if we in fact need to temporarily substitute > some other buffer in that
window). [...]
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"Drew Adams" <drew.adams@HIDDEN> writes:
> Playing around a little more, I see that when you use `C-x C-v', even when there
> is no problem, it temporarily switches to another existing buffer in the same
> window. That would seem to be the cause of the problem: If that buffer switched
> to is, like *Pp Eval Output* in my case, dedicated, then suddently it throws a
> monkey wrench in the system.
>
> The dedicated nature of that temporarily substituted buffer should presumably
> not enter into the picture at all (if we in fact need to temporarily substitute
> some other buffer in that window).
There is no clear recipe, starting from -Q, to reproduce this problem.
Are you still seeing it? If so, can you create a recipe?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#10122; Package emacs.
Full text available.Received: (at 10122) by debbugs.gnu.org; 17 Sep 2012 00:24:27 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Sep 16 20:24:27 2012 Received: from localhost ([127.0.0.1]:37935 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1TDP8U-0006nj-MJ for submit <at> debbugs.gnu.org; Sun, 16 Sep 2012 20:24:27 -0400 Received: from acsinet15.oracle.com ([141.146.126.227]:20400) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from <drew.adams@HIDDEN>) id 1TDP8T-0006nd-Px for 10122 <at> debbugs.gnu.org; Sun, 16 Sep 2012 20:24:26 -0400 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by acsinet15.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id q8H0NC0e008706 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for <10122 <at> debbugs.gnu.org>; Mon, 17 Sep 2012 00:23:13 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id q8H0NCER013356 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for <10122 <at> debbugs.gnu.org>; Mon, 17 Sep 2012 00:23:12 GMT Received: from abhmt120.oracle.com (abhmt120.oracle.com [141.146.116.72]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id q8H0NCrx018614 for <10122 <at> debbugs.gnu.org>; Sun, 16 Sep 2012 19:23:12 -0500 Received: from dradamslap1 (/10.159.170.142) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 16 Sep 2012 17:23:11 -0700 From: "Drew Adams" <drew.adams@HIDDEN> To: <10122 <at> debbugs.gnu.org> References: <AF2FB2B686B1495CBC0BB44811BA673D@HIDDEN><80C5FC7816CD4D5FBA10504B9B54857C@HIDDEN> <9562EC07958F4E5C86AD78D20A416794@HIDDEN> Subject: RE: bug#10122: 24.0.91; C-x C-v, invisible text: "Cannot switch...dedicated window" Date: Sun, 16 Sep 2012 17:23:01 -0700 Message-ID: <038F9D2B7A984C5B9AF21468E7BECAB7@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <9562EC07958F4E5C86AD78D20A416794@HIDDEN> Thread-Index: AcyqOEzzrZrBo0tbQJG4yK8VDu5EGwAA5+2wAAHCegA6iedisA== X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-Spam-Score: -5.5 (-----) X-Debbugs-Envelope-To: 10122 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <http://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <http://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <http://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Sender: debbugs-submit-bounces <at> debbugs.gnu.org Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org X-Spam-Score: -5.5 (-----) ping
bug-gnu-emacs@HIDDEN:bug#10122; Package emacs.
Full text available.Received: (at 10122) by debbugs.gnu.org; 24 Nov 2011 00:53:44 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Nov 23 19:53:44 2011 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1RTNZP-0004Ll-Rc for submit <at> debbugs.gnu.org; Wed, 23 Nov 2011 19:53:44 -0500 Received: from rcsinet15.oracle.com ([148.87.113.117]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from <drew.adams@HIDDEN>) id 1RTNZO-0004Le-0F for 10122 <at> debbugs.gnu.org; Wed, 23 Nov 2011 19:53:42 -0500 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by rcsinet15.oracle.com (Switch-3.4.4/Switch-3.4.4) with ESMTP id pAO0qCTM012953 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for <10122 <at> debbugs.gnu.org>; Thu, 24 Nov 2011 00:52:12 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id pAO0qBqp026622 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for <10122 <at> debbugs.gnu.org>; Thu, 24 Nov 2011 00:52:11 GMT Received: from abhmt111.oracle.com (abhmt111.oracle.com [141.146.116.63]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id pAO0q5ex011993 for <10122 <at> debbugs.gnu.org>; Wed, 23 Nov 2011 18:52:05 -0600 Received: from dradamslap1 (/10.159.44.3) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 23 Nov 2011 16:52:05 -0800 From: "Drew Adams" <drew.adams@HIDDEN> To: <10122 <at> debbugs.gnu.org> References: <AF2FB2B686B1495CBC0BB44811BA673D@HIDDEN> <80C5FC7816CD4D5FBA10504B9B54857C@HIDDEN> Subject: RE: bug#10122: 24.0.91; C-x C-v, invisible text: "Cannot switch...dedicated window" Date: Wed, 23 Nov 2011 16:52:07 -0800 Message-ID: <9562EC07958F4E5C86AD78D20A416794@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <80C5FC7816CD4D5FBA10504B9B54857C@HIDDEN> Thread-Index: AcyqOEzzrZrBo0tbQJG4yK8VDu5EGwAA5+2wAAHCegA= X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-CT-RefId: str=0001.0A090203.4ECD953D.000C,ss=1,re=0.594,fgs=0 X-Spam-Score: -5.7 (-----) X-Debbugs-Envelope-To: 10122 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <http://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <http://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <http://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Sender: debbugs-submit-bounces <at> debbugs.gnu.org Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org X-Spam-Score: -5.7 (-----) Playing around a little more, I see that when you use `C-x C-v', even when there is no problem, it temporarily switches to another existing buffer in the same window. That would seem to be the cause of the problem: If that buffer switched to is, like *Pp Eval Output* in my case, dedicated, then suddently it throws a monkey wrench in the system. The dedicated nature of that temporarily substituted buffer should presumably not enter into the picture at all (if we in fact need to temporarily substitute some other buffer in that window).
bug-gnu-emacs@HIDDEN:bug#10122; Package emacs.
Full text available.Received: (at 10122) by debbugs.gnu.org; 24 Nov 2011 00:27:42 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Nov 23 19:27:42 2011 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1RTNAE-0003jA-M2 for submit <at> debbugs.gnu.org; Wed, 23 Nov 2011 19:27:42 -0500 Received: from rcsinet15.oracle.com ([148.87.113.117]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from <drew.adams@HIDDEN>) id 1RTNAC-0003j2-FB for 10122 <at> debbugs.gnu.org; Wed, 23 Nov 2011 19:27:41 -0500 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by rcsinet15.oracle.com (Switch-3.4.4/Switch-3.4.4) with ESMTP id pAO0QAbG023259 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for <10122 <at> debbugs.gnu.org>; Thu, 24 Nov 2011 00:26:11 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by ucsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id pAO0Q9Ox028523 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for <10122 <at> debbugs.gnu.org>; Thu, 24 Nov 2011 00:26:10 GMT Received: from abhmt102.oracle.com (abhmt102.oracle.com [141.146.116.54]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id pAO0Q4vb032195 for <10122 <at> debbugs.gnu.org>; Wed, 23 Nov 2011 18:26:04 -0600 Received: from dradamslap1 (/10.159.44.3) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 23 Nov 2011 16:26:04 -0800 From: "Drew Adams" <drew.adams@HIDDEN> To: <10122 <at> debbugs.gnu.org> References: <AF2FB2B686B1495CBC0BB44811BA673D@HIDDEN> Subject: RE: bug#10122: 24.0.91; C-x C-v, invisible text: "Cannot switch...dedicated window" Date: Wed, 23 Nov 2011 16:26:06 -0800 Message-ID: <80C5FC7816CD4D5FBA10504B9B54857C@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <AF2FB2B686B1495CBC0BB44811BA673D@HIDDEN> Thread-Index: AcyqOEzzrZrBo0tbQJG4yK8VDu5EGwAA5+2w X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-CT-RefId: str=0001.0A090207.4ECD8F23.0047,ss=1,re=0.594,fgs=0 X-Spam-Score: -5.7 (-----) X-Debbugs-Envelope-To: 10122 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <http://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <http://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <http://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Sender: debbugs-submit-bounces <at> debbugs.gnu.org Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org X-Spam-Score: -5.7 (-----) Some more info, which should help: I typed this into the file buffer: (put-text-property (region-beginning) (region-end) 'invisible t) I selected that sexp, leaving point just after it, then hit `C-x C-e'. Then I used `C-x C-v' and got the same problem as before. Before, I had evaled the sexp using `M-:', which I bind to a command that uses `pp-eval-expression'. It apparently does not matter how I eval it, as long as the evaluation produces a buffer *Pp Eval Output* (which is dedicated, because of my value of `special-display-regexps'). Even if I move point around a bit in the buffer, to be sure that it (and not, say, buffer *Pp Eval Output*) is the current buffer, the problem arises. However, if, after making the region invisible, I kill buffer *Pp Eval Output* (doesn't matter whether using Buffer Menu or `C-x b'), and I then hit `C-x C-v', there is no problem. It seems that it is the mere presence of the *Pp...* buffer that causes the problem. Note that *Pp...* was never displayed by evaluating the sexp, since the value (`nil') was so simple (no need to show it in a separate buffer). But the buffer remained in existence, even though it was not displayed. My guess is that somehow Emacs is thinking that that (dedicated) buffer is the one being replaced - even though it is definitely not the `current-buffer'. Sounds like more fallout from the display-buffer makeover?
bug-gnu-emacs@HIDDEN:bug#10122; Package emacs.
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Subject: 24.0.91; C-x C-v, invisible text: "Cannot switch...dedicated window"
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This is with my setup. I don't have a recipe from emacs -Q.
Among other things, buffers that have names `*...*' are special-display,
and I have non-nil `pop-up-frames'.
In a small elisp file buffer, I make a couple of contiguous
definitions invisible, using (put-text-property (region-beginning)
(region-end) 'invisible t).
Then I do `C-x C-v' and accept the default, which is the same file.
I enter `no' to the question about saving modified buffer, and
`yes' to the question about killing and replacing without saving.
Buffer *Pp Eval Ouput* pops up (in a separate frame), with value `nil'
displayed. Just after it pops up, buffer *Backtrace* pops up, with this:
Debugger entered--Lisp error: (error "Buffer name `throw-test.el' is in use")
rename-buffer("throw-test.el")
byte-code("..." [obuf ofile buffer-file-name onum buffer-file-number
otrue lock-buffer rename-buffer buffer-file-truename
odir dired-directory oname] 2)
signal(error ("Cannot switch buffers in a dedicated window"))
error("Cannot switch buffers in a dedicated window")
old-switch-to-buffer(#<buffer throw-test.el> nil force-same-window)
switch-to-buffer(#<buffer throw-test.el> nil force-same-window)
find-file("c:/drews-lisp-20/throw-test.el" t)
find-alternate-file("c:/drews-lisp-20/throw-test.el" t)
call-interactively(find-alternate-file nil nil)
Also, buffer `**lose**' has taken the place of the original elisp file
buffer in the same (undedicated) window. The content of buffer `**lose**'
is the elisp buffer content, with the hidden sexps still invisible.
The original lisp buffer still exists, but is not displayed.
If I display it I see the whole buffer - nothing is invisible.
It seems like maybe:
(a) something causes an evaluation, which shows *Pp Eval Output*
(even for the small value `nil' - no idea why)
(b) perhaps *Pp Eval Output* becomes the current buffer (?)
(c) since it is in a dedicated window, Emacs barfs, saying it is
unable to show the orginal file in that same window.
I do not see the same problem if there is no invisible text. Buffer
*Messages* shows nothing particular. I have no idea what evaluation
led to *Pp Eval Output* being shown, nor why it would be shown for as
simple a value as nil.
Note that the elisp file buffer was NEVER shown in a dedicated window.
There were NO dedicated windows when I used `C-x C-v'. The first
dedicated window shown was *Pp Eval Output*, and the second was
*Backtrace*. There were no other dedicated windows.
This is the (re)definition of `switch-to-buffer' that I use:
(defun switch-to-buffer (buffer-or-name &optional norecord force-same-window)
"..."
(interactive
(list (read-buffer-to-switch "Switch to buffer: ")
nil 'force-same-window))
(let ((orig-buf (current-buffer))
(switch-buf (old-switch-to-buffer
buffer-or-name norecord force-same-window)))
(when (and (one-window-p t)
(not (eq switch-buf orig-buf)) ; Don't resize if same buffer.
autofit-frames-flag
(fit-frame)))
switch-buf))
where `old-switch-to-buffer' was defined this way:
(fset 'old-switch-to-buffer (symbol-function 'switch-to-buffer))
This is 100% reproducible, but as I say, this is with my setup.
Perhaps you have enough info to figure the problem out?
In GNU Emacs 24.0.91.1 (i386-mingw-nt5.1.2600) of 2011-11-21 on MARVIN
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.6) --no-opt --cflags
-ID:/devel/emacs/libs/libXpm-3.5.8/include
-ID:/devel/emacs/libs/libXpm-3.5.8/src
-ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include
-ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include
-ID:/devel/emacs/libs/giflib-4.1.4-1/include
-ID:/devel/emacs/libs/jpeg-6b-4/include
-ID:/devel/emacs/libs/tiff-3.8.2-1/include
-ID:/devel/emacs/libs/gnutls-2.10.1/include --ldflags
-LD:/devel/emacs/libs/gnutls-2.10.1/lib'
"Drew Adams" <drew.adams@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#10122; Package emacs.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.