emacs 24.3.50 freezing in unusable state.

emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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Hello there, first post :)

I've just been compiling 'emacs 24.3.50' from the git repo, which went
with no problems. I then try to open 'emacs' from the command-line, but
emacs sticks open, in a frozen unusable state saying 'compiler-macro
error for cl--block-wrapper: (error "Lisp nesting exceeds
`max-lisp-eval-depth`")'.

How do I rescue it please so that I can use it again please? Or
should I report it upstream somewhere as a bug? 

I currently have 'emacs23' and 'emacs-snapshot' installed on my system
which both work with no problems.

Thanks
Sharon.
-- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944

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Re: emacs 24.3.50 freezing in unusable state.

[Peter Dyballa]

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Am 28.09.2013 um 10:53 schrieb Sharon Kimble:

> How do I rescue it please so that I can use it again please?

It /might/ be possible to attach a debugger to it and read out some data… But when it's the first launch and it instantly became unusable, then read below!

> Or should I report it upstream somewhere as a bug? 

This might be a "normal" state of a momentarily unusable state of the GNU Emacs software. It can also be that your init file(s) are provoking the error. Launching it with -q or -Q might render it usable!

If not, then kill it and make distclean, update again, configure again, compile again, and launch GNU Emacs again. You can also play with configure options, use a different compiler or different compiler options. If you develop GNU Emacs 24.3.50 in your GNU Emacs 23(.4?), you will have a readable log from the configure step (in the *compilation* buffer from M-x compile RET ./configure … RET) and possibly find findings which configure should not have found. These can cause the described failure…

- --
Greetings

  Pete

There's something the technicians need to learn from the artists. If it isn't aesthetically pleasing, it's probably wrong.

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Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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Thanks Pete, comments inline.

On Sat, 28 Sep 2013 18:16:58 +0200
Peter Dyballa <Peter_Dyballa@Web.DE> wrote:

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> Hash: SHA1
> 
> 
> Am 28.09.2013 um 10:53 schrieb Sharon Kimble:
> 
> > How do I rescue it please so that I can use it again please?
> 
> It /might/ be possible to attach a debugger to it and read out some
> data… But when it's the first launch and it instantly became
> unusable, then read below!
> 
> > Or should I report it upstream somewhere as a bug? 
> 
> This might be a "normal" state of a momentarily unusable state of the
> GNU Emacs software. It can also be that your init file(s) are
> provoking the error. Launching it with -q or -Q might render it
> usable!

emacs -q # shows the newly compiled emacs, with a coloured background
and the splash screen. 
emacs -Q # shows the newly compiled emacs, with a white background and
no splash screen. 

So it appears that the fault lies within my .emacs then, so I'll start
seeking it out. 
> 
> If not, then kill it and make distclean, update again, configure
> again, compile again, and launch GNU Emacs again. You can also play
> with configure options, use a different compiler or different
> compiler options. If you develop GNU Emacs 24.3.50 in your GNU Emacs
> 23(.4?), you will have a readable log from the configure step (in the
> *compilation* buffer from M-x compile RET ./configure … RET) and
> possibly find findings which configure should not have found. These
> can cause the described failure…
> 
I'm not really a developer of anything except bash scripts, but I'll
bear the above comments in mind for the future, thanks. 

Thanks
Sharon.
- -- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944
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Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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On Sat, 28 Sep 2013 18:03:20 +0100
Sharon Kimble <boudiccas@talktalk.net> wrote:

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> Hash: SHA256
> 
> Thanks Pete, comments inline.
> 
> On Sat, 28 Sep 2013 18:16:58 +0200
> Peter Dyballa <Peter_Dyballa@Web.DE> wrote:
> 
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > 
> > 
> > Am 28.09.2013 um 10:53 schrieb Sharon Kimble:
> > 
> > > How do I rescue it please so that I can use it again please?
> > 
> > It /might/ be possible to attach a debugger to it and read out some
> > data… But when it's the first launch and it instantly became
> > unusable, then read below!
> > 
> > > Or should I report it upstream somewhere as a bug? 
> > 
> > This might be a "normal" state of a momentarily unusable state of
> > the GNU Emacs software. It can also be that your init file(s) are
> > provoking the error. Launching it with -q or -Q might render it
> > usable!
> 
> emacs -q # shows the newly compiled emacs, with a coloured background
> and the splash screen. 
> emacs -Q # shows the newly compiled emacs, with a white background and
> no splash screen. 
> 
> So it appears that the fault lies within my .emacs then, so I'll start
> seeking it out. 
> > 
> > If not, then kill it and make distclean, update again, configure
> > again, compile again, and launch GNU Emacs again. You can also play
> > with configure options, use a different compiler or different
> > compiler options. If you develop GNU Emacs 24.3.50 in your GNU Emacs
> > 23(.4?), you will have a readable log from the configure step (in
> > the *compilation* buffer from M-x compile RET ./configure … RET) and
> > possibly find findings which configure should not have found. These
> > can cause the described failure…
> > 
> I'm not really a developer of anything except bash scripts, but I'll
> bear the above comments in mind for the future, thanks. 
> 
> Thanks
> Sharon.

I spoke too soon, the error message that is shown is - 'compiler-macro
error for cl--block-wrapper: (error "Lisp nesting exceeds
`max-lisp-eval-depth`")'. To my untutored eye this sounds like
something that happened when it was compiled? Agreed? If so, then I'll
recompile it tomorrow and try again.

Thanks
Sharon.
- -- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944
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Re: emacs 24.3.50 freezing in unusable state.

[Peter Dyballa]

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Am 28.09.2013 um 19:46 schrieb Sharon Kimble:

> I spoke too soon, the error message that is shown is - 'compiler-macro
> error for cl--block-wrapper: (error "Lisp nesting exceeds
> `max-lisp-eval-depth`")'. To my untutored eye this sounds like
> something that happened when it was compiled? Agreed?

No. The error is happening at the time it is being reported. It is happening because (obviously, see the cl-- prefix) some Common Lisp code is being interpreted. This can be code in your or the system's init files. Try to launch GNU Emacs with -q and also with -Q! With -q it will not load your init file (either ~/.emacs or default.el), and with -Q it will also not load the system's init file.

- --
Greetings

  Pete

Eat the rich – the poor are tough and stringy.

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Re: emacs 24.3.50 freezing in unusable state.

[Eli Zaretskii]

> Date: Sat, 28 Sep 2013 09:53:13 +0100
> From: Sharon Kimble <boudiccas@talktalk.net>
> 
> I've just been compiling 'emacs 24.3.50' from the git repo, which went
> with no problems. I then try to open 'emacs' from the command-line, but
> emacs sticks open, in a frozen unusable state saying 'compiler-macro
> error for cl--block-wrapper: (error "Lisp nesting exceeds
> `max-lisp-eval-depth`")'.
> 
> How do I rescue it please so that I can use it again please? Or
> should I report it upstream somewhere as a bug? 

This bug was fixed a few days ago.  I guess your git repo is not up to
date.

Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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On Sat, 28 Sep 2013 21:33:24 +0300
Eli Zaretskii <eliz@gnu.org> wrote:

> > Date: Sat, 28 Sep 2013 09:53:13 +0100
> > From: Sharon Kimble <boudiccas@talktalk.net>
> > 
> > I've just been compiling 'emacs 24.3.50' from the git repo, which
> > went with no problems. I then try to open 'emacs' from the
> > command-line, but emacs sticks open, in a frozen unusable state
> > saying 'compiler-macro error for cl--block-wrapper: (error "Lisp
> > nesting exceeds `max-lisp-eval-depth`")'.
> > 
> > How do I rescue it please so that I can use it again please? Or
> > should I report it upstream somewhere as a bug? 
> 
> This bug was fixed a few days ago.  I guess your git repo is not up to
> date.
> 
Updating now, thanks.

Sharon.
-- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944

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Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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On Sat, 28 Sep 2013 21:33:24 +0300
Eli Zaretskii <eliz@gnu.org> wrote:

> > Date: Sat, 28 Sep 2013 09:53:13 +0100
> > From: Sharon Kimble <boudiccas@talktalk.net>
> > 
> > I've just been compiling 'emacs 24.3.50' from the git repo, which
> > went with no problems. I then try to open 'emacs' from the
> > command-line, but emacs sticks open, in a frozen unusable state
> > saying 'compiler-macro error for cl--block-wrapper: (error "Lisp
> > nesting exceeds `max-lisp-eval-depth`")'.
> > 
> > How do I rescue it please so that I can use it again please? Or
> > should I report it upstream somewhere as a bug? 
> 
> This bug was fixed a few days ago.  I guess your git repo is not up to
> date.
> 
Well I've updated my git repo twice now and compiled emacs twice yet I
still have that message appearing, and emacs is still unusable, so it
must be relating to my .emacs. 

I've therefore put my .emacs online at
https://github.com/boudiccas/dots/blob/master/emacs/.emacs and would be
grateful if someone could show me where that error messages is being
created from because I cant see it!

Thanks
Sharon.
-- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944

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Re: emacs 24.3.50 freezing in unusable state.

[Peter Dyballa]

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Am 29.09.2013 um 12:39 schrieb Sharon Kimble:

> I've therefore put my .emacs online at
> https://github.com/boudiccas/dots/blob/master/emacs/.emacs and would be
> grateful if someone could show me where that error messages is being
> created from because I cant see it!

Instead of waiting try bisecting. This means commenting one half and checking whether GNU Emacs now works. If it works, then the bug is in the commented half. If it does not work, then the bug is in the uncommented half.

Next step is turning the buggy half into a commented and an uncommented half. Following is the step of checking the two halves of the half of the buggy half. Until one statement is left.

- --
Greetings

  Pete

It isn't pollution that's harming the environment. It's the impurities in our air and water that are doing it.

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Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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On Sun, 29 Sep 2013 13:31:37 +0200
Peter Dyballa <Peter_Dyballa@Web.DE> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
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> 
> 
> Am 29.09.2013 um 12:39 schrieb Sharon Kimble:
> 
> > I've therefore put my .emacs online at
> > https://github.com/boudiccas/dots/blob/master/emacs/.emacs and
> > would be grateful if someone could show me where that error
> > messages is being created from because I cant see it!
> 
> Instead of waiting try bisecting. This means commenting one half and
> checking whether GNU Emacs now works. If it works, then the bug is in
> the commented half. If it does not work, then the bug is in the
> uncommented half.
> 
> Next step is turning the buggy half into a commented and an
> uncommented half. Following is the step of checking the two halves of
> the half of the buggy half. Until one statement is left.
> 
Is there a way of automating the commenting out half the .emacs please
rather than having to do it tediously by hand? 

Sharon.
- -- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
my git repo = https://github.com/boudiccas/dots
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944
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Re: emacs 24.3.50 freezing in unusable state.

[Mihamina Rakotomandimby]

On 2013-09-29 16:41, Sharon Kimble wrote:
> Is there a way of automating the commenting out half the .emacs please
> rather than having to do it tediously by hand?

If you tracked it with a versionning tool, you could also be able to 
"bissect".

-- 
RMA.

Re: emacs 24.3.50 freezing in unusable state.

[Sean Sieger]

Sharon Kimble <boudiccas@talktalk.net> writes:
    > 
    Is there a way of automating the commenting out half the .emacs please
    rather than having to do it tediously by hand? 

Look at C-x rt (and while you're there, C-x rk).

Re: emacs 24.3.50 freezing in unusable state.

[Peter Dyballa]

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Am 29.09.2013 um 15:41 schrieb Sharon Kimble:

> Is there a way of automating the commenting out half the .emacs please
> rather than having to do it tediously by hand? 

You have at least two options: Either use the rectangle functions Sean mentioned, or use the function comment-region. Leave .emacs in the other Emacs open, but saved, and you can undo what you just did or some time ago when you've finished bisecting.

- --
Greetings

  Pete

When you meet a master swordsman,
show him your sword.
When you meet a man who is not a poet,
do not show him your poem.
			– Rinzai, ninth century Zen master

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Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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On Sun, 29 Sep 2013 17:21:46 +0200
Peter Dyballa <Peter_Dyballa@Web.DE> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> 
> Am 29.09.2013 um 15:41 schrieb Sharon Kimble:
> 
> > Is there a way of automating the commenting out half the .emacs
> > please rather than having to do it tediously by hand? 
> 
> You have at least two options: Either use the rectangle functions
> Sean mentioned, or use the function comment-region. Leave .emacs in
> the other Emacs open, but saved, and you can undo what you just did
> or some time ago when you've finished bisecting.
> 
> - --
> Greetings
> 
>   Pete
I'm sorry Pete, but I haven't had time over the weekend to do any
investigating of the problem, and I'm back on nights starting tonight,
so I wont have time this week. However, I have just downloaded and
installed the latest emacs-snapshot, currently at 24.3.50.1, and that
has started and loaded perfectly okay!

Thanks
Sharon.
- -- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
my git repo = https://github.com/boudiccas/dots
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944
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Re: emacs 24.3.50 freezing in unusable state.

[Peter Dyballa]

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Am 30.09.2013 um 09:38 schrieb Sharon Kimble:

> However, I have just downloaded and
> installed the latest emacs-snapshot, currently at 24.3.50.1, and that
> has started and loaded perfectly okay!

This *can* indicate that you are still using buggy GNU Emacs source code for building. (I fetch mine with bzr.)

Anyway, you have now the option to invoke report-emacs-bug or choose from the Help menu "Send Bug Report…". The eMail it creates has two interesting items for you: the configure options used to build that binary, which you could reuse for your own attempts to build a development (i.e., unstable, not guaranteed to work) version of GNU Emacs, and later a section "Load-path shadows". This is a list of ELisp files that override the default GNU Emacs Lisp files. It is possible that some of these "shadowing" files cause the error. The following code, put into some init file (your's or the system's), will report in the *Messages* buffer which ELisp file was loaded before the freeze happened:

	(defadvice load (before debug-log activate)
	  (message "(Tipp von Kai G) Lade jetzt: %s" (ad-get-arg 0)))

The German "Lade jetzt" means "Now loading". You could also insert into your init file

	(setq debug-on-error t)

that an ELisp debugger is started when an error is caught. It opens a *Backtrace* window in which, from bottom to top, it is listed how it happened that the error occurred.

In the case of a freeze it's of course best the *Messages* or the *Backtrace* buffer is displayed –  maybe this works by setting dedicated frame or window, but I have no idea how to achieve this. (I would probably use a (switch-to-buffer "*Messages*) statement before every line provoking a load of ELisp.)

- --
Greetings

  Pete

Experience is what you get when you don't get what you want.

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Re: emacs 24.3.50 freezing in unusable state.

[Sharon Kimble]

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On Mon, 30 Sep 2013 11:21:17 +0200
Peter Dyballa <Peter_Dyballa@Web.DE> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> 
> Am 30.09.2013 um 09:38 schrieb Sharon Kimble:
> 
> > However, I have just downloaded and
> > installed the latest emacs-snapshot, currently at 24.3.50.1, and
> > that has started and loaded perfectly okay!
> 
> This *can* indicate that you are still using buggy GNU Emacs source
> code for building. (I fetch mine with bzr.)
> 
> Anyway, you have now the option to invoke report-emacs-bug or choose
> from the Help menu "Send Bug Report…". The eMail it creates has two
> interesting items for you: the configure options used to build that
> binary, which you could reuse for your own attempts to build a
> development (i.e., unstable, not guaranteed to work) version of GNU
> Emacs, and later a section "Load-path shadows". This is a list of
> ELisp files that override the default GNU Emacs Lisp files. It is
> possible that some of these "shadowing" files cause the error. The
> following code, put into some init file (your's or the system's),
> will report in the *Messages* buffer which ELisp file was loaded
> before the freeze happened:
> 
> 	(defadvice load (before debug-log activate)
> 	  (message "(Tipp von Kai G) Lade jetzt: %s" (ad-get-arg 0)))
> 
> The German "Lade jetzt" means "Now loading". You could also insert
> into your init file
> 
> 	(setq debug-on-error t)
> 
> that an ELisp debugger is started when an error is caught. It opens a
> *Backtrace* window in which, from bottom to top, it is listed how it
> happened that the error occurred.
> 
> In the case of a freeze it's of course best the *Messages* or the
> *Backtrace* buffer is displayed –  maybe this works by setting
> dedicated frame or window, but I have no idea how to achieve this. (I
> would probably use a (switch-to-buffer "*Messages*) statement before
> every line provoking a load of ELisp.)
> 
Sorry Pete, I didn’t explain myself fully. The emacs-snapshot comes from
'http://emacs.naquadah.org/ stable/' which is a repository to give .deb
files which are pre-compiled and ready to be used once installed using
the debian package manager. I hope this clarifies it now?

Thanks
Sharon.
- -- 
A taste of linux = http://www.sharons.org.uk
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
my git repo = https://github.com/boudiccas/dots
Debian stable, Fluxbox 1.3.5, LibreOffice  4.1.0.4
Registered Linux user 561944
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Re: emacs 24.3.50 freezing in unusable state.

[Peter Dyballa]

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Am 30.09.2013 um 13:04 schrieb Sharon Kimble:

> I hope this clarifies it now?

Not really. I presumed that you were (still) going to build your own unstable GNU Emacs 24.3.50 on your stable Debian Linux and for this undertaking I was giving some hints.

- --
Mit friedvollen Grüßen

  Pete

You can learn many things from children.  How much patience you have, for instance.
				– Franklin P. Jones

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