* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
@ 2015-04-17 9:33 Jorgen Schaefer
2015-04-17 12:26 ` Eli Zaretskii
` (2 more replies)
0 siblings, 3 replies; 15+ messages in thread
From: Jorgen Schaefer @ 2015-04-17 9:33 UTC (permalink / raw
To: 20356
Hello!
Since a few days (I recompiled Emacs the first time on Wed 15th or Thu
16th, not sure when this was introduced before that) I see terminal
glyph garbage on certain deletion operations in emacs -nw.
A reliable way to trigger this for me is M-DEL, though many deletion
operations cause spurious data to be displayed. C-l will remove said
glyphs, and neither scrolling, normal editing nor indeed
single-character deletion will trigger this bug.
This is in a Gnome Terminal with TERM=xterm, sshing to a server, and
Emacs started in a screen with TERM=screen.
The Emacs built from ref 0465c9dd (last Apr 7th commit) does not exhibit
this behavior.
I know from at least one other person that recent builds with emacs -nw
work fine for them, so this is likely going to be tricky to debug. I'm
happy to do any testing needed.
Thanks!
Jorgen
Configured using:
`configure --without-x'
Configured features:
SOUND DBUS NOTIFY ACL GNUTLS LIBXML2 ZLIB
Important settings:
value of $LC_ALL:
value of $LC_COLLATE: de_DE.UTF-8
value of $LC_CTYPE: de_DE.UTF-8
value of $LC_MESSAGES: POSIX
value of $LC_MONETARY: POSIX
value of $LC_NUMERIC: POSIX
value of $LC_TIME: POSIX
value of $LANG: POSIX
locale-coding-system: utf-8-unix
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 9:33 bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master Jorgen Schaefer
@ 2015-04-17 12:26 ` Eli Zaretskii
2015-04-17 15:32 ` Jorgen Schäfer
2015-04-17 14:39 ` Stefan Monnier
2015-04-30 22:31 ` Stefan Monnier
2 siblings, 1 reply; 15+ messages in thread
From: Eli Zaretskii @ 2015-04-17 12:26 UTC (permalink / raw
To: Jorgen Schaefer; +Cc: 20356
> From: Jorgen Schaefer <contact@jorgenschaefer.de>
> Date: Fri, 17 Apr 2015 11:33:32 +0200
>
> Since a few days (I recompiled Emacs the first time on Wed 15th or Thu
> 16th, not sure when this was introduced before that) I see terminal
> glyph garbage on certain deletion operations in emacs -nw.
>
> A reliable way to trigger this for me is M-DEL, though many deletion
> operations cause spurious data to be displayed. C-l will remove said
> glyphs, and neither scrolling, normal editing nor indeed
> single-character deletion will trigger this bug.
>
> This is in a Gnome Terminal with TERM=xterm, sshing to a server, and
> Emacs started in a screen with TERM=screen.
>
> The Emacs built from ref 0465c9dd (last Apr 7th commit) does not exhibit
> this behavior.
>
> I know from at least one other person that recent builds with emacs -nw
> work fine for them, so this is likely going to be tricky to debug. I'm
> happy to do any testing needed.
Can you "git bisect" to find the offending commit, please?
TIA
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 9:33 bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master Jorgen Schaefer
2015-04-17 12:26 ` Eli Zaretskii
@ 2015-04-17 14:39 ` Stefan Monnier
2015-04-24 12:26 ` Jorgen Schäfer
2015-04-30 22:31 ` Stefan Monnier
2 siblings, 1 reply; 15+ messages in thread
From: Stefan Monnier @ 2015-04-17 14:39 UTC (permalink / raw
To: Jorgen Schaefer; +Cc: 20356
> A reliable way to trigger this for me is M-DEL, though many deletion
> operations cause spurious data to be displayed. C-l will remove said
This is likely coming from the "OSC 52" SetSelection support
recently added and which your gnome-terminal apparently doesn't support
yet term/xterm.el doesn't realize it.
Could you add some debug `message's to check that
terminal-init-xterm-activate-set-selection is indeed called (it
apparently shouldn't). The problem is likely in xterm--version-handler
to add also some `message's there to see what `version' number is sent
by gnome-terminal (and why the code doesn't set it back to 200)?
Stefan
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 12:26 ` Eli Zaretskii
@ 2015-04-17 15:32 ` Jorgen Schäfer
2015-04-17 16:20 ` Eli Zaretskii
2015-04-19 8:24 ` Ivan Shmakov
0 siblings, 2 replies; 15+ messages in thread
From: Jorgen Schäfer @ 2015-04-17 15:32 UTC (permalink / raw
To: Eli Zaretskii; +Cc: 20356
On Fri, Apr 17, 2015 at 2:26 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>
> Can you "git bisect" to find the offending commit, please?
Took a while, but here we go:
2b2fd3965f8c096b39de7e0418d37433269a1dce is the first bad commit.
I can confirm that redefining xterm--set-selection to a no-op fixes the problem.
(terminal-parameter nil 'terminal-initted) => terminal-init-screen
Regards,
Jorgen
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 15:32 ` Jorgen Schäfer
@ 2015-04-17 16:20 ` Eli Zaretskii
2015-04-19 8:24 ` Ivan Shmakov
1 sibling, 0 replies; 15+ messages in thread
From: Eli Zaretskii @ 2015-04-17 16:20 UTC (permalink / raw
To: Jorgen Schäfer; +Cc: 20356
> Date: Fri, 17 Apr 2015 17:32:54 +0200
> From: Jorgen Schäfer <contact@jorgenschaefer.de>
> Cc: 20356@debbugs.gnu.org
>
> On Fri, Apr 17, 2015 at 2:26 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> >
> > Can you "git bisect" to find the offending commit, please?
>
> Took a while, but here we go:
>
> 2b2fd3965f8c096b39de7e0418d37433269a1dce is the first bad commit.
Thanks!
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 15:32 ` Jorgen Schäfer
2015-04-17 16:20 ` Eli Zaretskii
@ 2015-04-19 8:24 ` Ivan Shmakov
2015-04-20 2:08 ` Stefan Monnier
1 sibling, 1 reply; 15+ messages in thread
From: Ivan Shmakov @ 2015-04-19 8:24 UTC (permalink / raw
To: 20356
>>>>> Jorgen Schäfer <contact@jorgenschaefer.de> writes:
[…]
> I can confirm that redefining xterm--set-selection to a no-op fixes
> the problem.
As there’s no possible way – in my setup – to /reliably/ detect
OSC 52 support, and as I don’t need the feature anyway, I’ve
simply disabled it with (setq select-enable-clipboard nil).
My guess is that a new etc/PROBLEMS entry may turn to be useful
to others.
[…]
--
FSF associate member #7257 http://boycottsystemd.org/ … 3013 B6A0 230E 334A
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-19 8:24 ` Ivan Shmakov
@ 2015-04-20 2:08 ` Stefan Monnier
0 siblings, 0 replies; 15+ messages in thread
From: Stefan Monnier @ 2015-04-20 2:08 UTC (permalink / raw
To: 20356
>>>>> Jorgen Schäfer <contact@jorgenschaefer.de> writes:
>> I can confirm that redefining xterm--set-selection to a no-op fixes
>> the problem.
But could you do the tests I requested so that it gets disabled
automatically by testing the terminal?
>>>>> "Ivan" == Ivan Shmakov <ivan@siamics.net> writes:
> As there’s no possible way – in my setup – to /reliably/ detect
> OSC 52 support,
Why not?
Stefan
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 14:39 ` Stefan Monnier
@ 2015-04-24 12:26 ` Jorgen Schäfer
2015-04-24 14:07 ` Stefan Monnier
0 siblings, 1 reply; 15+ messages in thread
From: Jorgen Schäfer @ 2015-04-24 12:26 UTC (permalink / raw
To: Stefan Monnier; +Cc: 20356
On Fri, Apr 17, 2015 at 4:39 PM, Stefan Monnier
<monnier@iro.umontreal.ca> wrote:
>> A reliable way to trigger this for me is M-DEL, though many deletion
>> operations cause spurious data to be displayed. C-l will remove said
>
> This is likely coming from the "OSC 52" SetSelection support
> recently added and which your gnome-terminal apparently doesn't support
> yet term/xterm.el doesn't realize it.
>
> Could you add some debug `message's to check that
> terminal-init-xterm-activate-set-selection is indeed called (it
> apparently shouldn't).
It is indeed being called.
> The problem is likely in xterm--version-handler
> to add also some `message's there to see what `version' number is sent
> by gnome-terminal (and why the code doesn't set it back to 200)?
The value of `str` after the first while loop is "83;40100;0" here. This is what
screen reports, and version is set to 240 in this case. Later, it calls
`terminal-init-xterm-activate-set-selection` if version is greater than 203.
Commenting this out fixes things for me again.
Regards,
Jorgen
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-24 12:26 ` Jorgen Schäfer
@ 2015-04-24 14:07 ` Stefan Monnier
2015-04-24 14:16 ` Jorgen Schäfer
0 siblings, 1 reply; 15+ messages in thread
From: Stefan Monnier @ 2015-04-24 14:07 UTC (permalink / raw
To: Jorgen Schäfer; +Cc: 20356
> The value of `str` after the first while loop is "83;40100;0"
> here. This is what screen reports, and version is set to 240 in this
Wait, so you're not just running within gnome-terminal, but within
screen within gnome-terminal?
I guess that's the crux of the matter. The code actually needs support
from the actual terminal (i.e gnome-terminal in this case), but the
version check is only told about screen's version.
Hmm...
Stefan
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-24 14:07 ` Stefan Monnier
@ 2015-04-24 14:16 ` Jorgen Schäfer
2015-04-24 15:42 ` Thierry Volpiatto
2015-04-24 18:11 ` Stefan Monnier
0 siblings, 2 replies; 15+ messages in thread
From: Jorgen Schäfer @ 2015-04-24 14:16 UTC (permalink / raw
To: Stefan Monnier; +Cc: 20356
On Fri, Apr 24, 2015 at 4:07 PM, Stefan Monnier
<monnier@iro.umontreal.ca> wrote:
>> The value of `str` after the first while loop is "83;40100;0"
>> here. This is what screen reports, and version is set to 240 in this
>
> Wait, so you're not just running within gnome-terminal, but within
> screen within gnome-terminal?
Yep. This is a local Gnome terminal, running ssh to a server, where
Emacs runs in screen. :-)
(The same screen can also be attached to an ssh session from a Gnome
terminal on a
completely different GNU/Linux distribution and system, as well as to
a JuiceSSH session
on an Android tablet or a phone. The other gnome terminal exhibits the
same problem.
I have not used JuiceSSH much lately, so can't say if there are any
peculiar problems
there.)
Regards,
Jorgen
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-24 14:16 ` Jorgen Schäfer
@ 2015-04-24 15:42 ` Thierry Volpiatto
2015-04-24 18:11 ` Stefan Monnier
1 sibling, 0 replies; 15+ messages in thread
From: Thierry Volpiatto @ 2015-04-24 15:42 UTC (permalink / raw
To: 20356
Don't know if it is related to this bug, but recently I had my urxvt
full of stranges characters after compiling elisp files containing
errors with a make file.
The error in these files was a call to set-slot-value with the OBJ
argument forgotten.
If it help I can try to reproduce.
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-24 14:16 ` Jorgen Schäfer
2015-04-24 15:42 ` Thierry Volpiatto
@ 2015-04-24 18:11 ` Stefan Monnier
1 sibling, 0 replies; 15+ messages in thread
From: Stefan Monnier @ 2015-04-24 18:11 UTC (permalink / raw
To: Jorgen Schäfer; +Cc: 20356
> (The same screen can also be attached to an ssh session from a Gnome
> terminal on a completely different GNU/Linux distribution and system,
> as well as to a JuiceSSH session on an Android tablet or a phone. The
> other gnome terminal exhibits the same problem. I have not used
> JuiceSSH much lately, so can't say if there are any peculiar
> problems there.)
Exactly. I think the only sane solution is to disable this new feature
under `screen'.
Stefan
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-17 9:33 bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master Jorgen Schaefer
2015-04-17 12:26 ` Eli Zaretskii
2015-04-17 14:39 ` Stefan Monnier
@ 2015-04-30 22:31 ` Stefan Monnier
2015-05-01 13:44 ` Jorgen Schäfer
2 siblings, 1 reply; 15+ messages in thread
From: Stefan Monnier @ 2015-04-30 22:31 UTC (permalink / raw
To: Jorgen Schaefer; +Cc: 20356
> This is in a Gnome Terminal with TERM=xterm, sshing to a server, and
> Emacs started in a screen with TERM=screen.
Can you confirm that the patch below fixes the problem you're seeing?
Stefan
diff --git a/lisp/term/screen.el b/lisp/term/screen.el
index 3587c4f..41fd916 100644
--- a/lisp/term/screen.el
+++ b/lisp/term/screen.el
@@ -1,9 +1,22 @@
;;; screen.el --- terminal initialization for screen and tmux -*- lexical-binding: t -*-
;; Copyright (C) 1995, 2001-2015 Free Software Foundation, Inc.
+(require 'term/xterm)
+
+(defcustom xterm-screen-extra-capabilities '(modifyOtherKeys)
+ "Extra capabilities supported under \"screen\".
+Some features of screen depend on the terminal emulator in which
+it runs, which can change when the screen session is moved to another tty."
+ :type xterm--extra-capabilities-type
+ :group 'xterm)
+
(defun terminal-init-screen ()
"Terminal initialization function for screen."
- ;; Treat a screen terminal similar to an xterm.
- (tty-run-terminal-initialization (selected-frame) "xterm"))
+ ;; Treat a screen terminal similar to an xterm, but don't use
+ ;; xterm-extra-capabilities's `check' setting since that doesn't seem
+ ;; to work so well (it depends too much on the surrounding terminal
+ ;; emulator, which can change during the session, bug#20356).
+ (let ((xterm-extra-capabilities xterm-screen-extra-capabilities))
+ (tty-run-terminal-initialization (selected-frame) "xterm")))
;; screen.el ends here
diff --git a/lisp/term/xterm.el b/lisp/term/xterm.el
index 726ecf9..4311647 100644
--- a/lisp/term/xterm.el
+++ b/lisp/term/xterm.el
@@ -29,6 +29,13 @@
:version "24.1"
:group 'terminals)
+(defconst xterm--extra-capabilities-type
+ ;; NOTE: If you add entries here, make sure to update
+ ;; `terminal-init-xterm' as well.
+ '(set (const :tag "modifyOtherKeys support" modifyOtherKeys)
+ (const :tag "report background" reportBackground)
+ (const :tag "set X selection" setSelection)))
+
(defcustom xterm-extra-capabilities 'check
"Whether Xterm supports some additional, more modern, features.
If nil, just assume that it does not.
@@ -40,13 +47,8 @@ The relevant features are:
reportBackground -- if supported, Xterm reports its background color
setSelection -- if supported, Xterm saves yanked text to the X selection"
:version "24.1"
- :type '(choice (const :tag "No" nil)
- (const :tag "Check" check)
- ;; NOTE: If you add entries here, make sure to update
- ;; `terminal-init-xterm' as well.
- (set (const :tag "modifyOtherKeys support" modifyOtherKeys)
- (const :tag "report background" reportBackground)
- (const :tag "set X selection" setSelection))))
+ :type `(choice (const :tag "Check" check)
+ ,xterm--extra-capabilities-type))
(defcustom xterm-max-cut-length 100000
"Maximum number of bytes to cut into xterm using the OSC 52 sequence.
@@ -623,8 +625,8 @@ string bytes that can be copied is 3/4 of this value."
(setq version 200))
(when (equal (match-string 1 str) "83")
;; `screen' (which returns 83;40003;0) seems to also lack support for
- ;; some of these (bug#17607).
- (setq version 240))
+ ;; some of these (bug#17607, bug#20356).
+ (setq version 200))
;; If version is 242 or higher, assume the xterm supports
;; reporting the background color (TODO: maybe earlier
;; versions do too...)
^ permalink raw reply related [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-04-30 22:31 ` Stefan Monnier
@ 2015-05-01 13:44 ` Jorgen Schäfer
2015-05-04 1:21 ` Stefan Monnier
0 siblings, 1 reply; 15+ messages in thread
From: Jorgen Schäfer @ 2015-05-01 13:44 UTC (permalink / raw
To: Stefan Monnier; +Cc: 20356
On Fri, May 1, 2015 at 12:31 AM, Stefan Monnier
<monnier@iro.umontreal.ca> wrote:
>> This is in a Gnome Terminal with TERM=xterm, sshing to a server, and
>> Emacs started in a screen with TERM=screen.
>
> Can you confirm that the patch below fixes the problem you're seeing?
Hello!
Using (require 'xterm "term/xterm") instead of (require 'term/xterm),
this compiles
and I do not see the glyphs anymore. So yes, this fixes the problem.
Thank you!
Jorgen
^ permalink raw reply [flat|nested] 15+ messages in thread
* bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master
2015-05-01 13:44 ` Jorgen Schäfer
@ 2015-05-04 1:21 ` Stefan Monnier
0 siblings, 0 replies; 15+ messages in thread
From: Stefan Monnier @ 2015-05-04 1:21 UTC (permalink / raw
To: Jorgen Schäfer; +Cc: 20356-done
> Using (require 'xterm "term/xterm") instead of (require 'term/xterm),
> this compiles and I do not see the glyphs anymore.
Indeed, there was a little problem there, which I think I've now fixed.
> So yes, this fixes the problem.
Great, installed, thank you,
Stefan
^ permalink raw reply [flat|nested] 15+ messages in thread
end of thread, other threads:[~2015-05-04 1:21 UTC | newest]
Thread overview: 15+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-04-17 9:33 bug#20356: 25.0.50; Strange terminal glyphs in emacs -nw in recent master Jorgen Schaefer
2015-04-17 12:26 ` Eli Zaretskii
2015-04-17 15:32 ` Jorgen Schäfer
2015-04-17 16:20 ` Eli Zaretskii
2015-04-19 8:24 ` Ivan Shmakov
2015-04-20 2:08 ` Stefan Monnier
2015-04-17 14:39 ` Stefan Monnier
2015-04-24 12:26 ` Jorgen Schäfer
2015-04-24 14:07 ` Stefan Monnier
2015-04-24 14:16 ` Jorgen Schäfer
2015-04-24 15:42 ` Thierry Volpiatto
2015-04-24 18:11 ` Stefan Monnier
2015-04-30 22:31 ` Stefan Monnier
2015-05-01 13:44 ` Jorgen Schäfer
2015-05-04 1:21 ` Stefan Monnier
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