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bug#23608: 24.5; Breakpoints don't show in GDB over TRAMP
From: |
Tim Marston |
Subject: |
bug#23608: 24.5; Breakpoints don't show in GDB over TRAMP |
Date: |
Tue, 24 May 2016 09:35:25 +0100 |
User-agent: |
Mutt/1.6.0 (2016-04-01) |
Hi,
I've noticed that breakpoints don't show up in the source code when
running GDB over TRAMP. It's quite reproducible.
Steps to reproduce:
1/ run emacs
$ emacs -q
2/ visit a some remote source code
C-x C-f /laptop:/home/edam/src/lang/c++/hello-world/hw.cc
3/ run GDB
M-x gdb RET RET
4/ switch back to source code window
C-x b RET
5/ add breakpoint
C-x C-a C-b
What happens:
The breakpoint doesn't show up in the source code buffer. When you run
the program, the breakpoint still works. And when the program "breaks
out", you get a current line indicator, showing you where execution is
at. But no breakpoint.
If you do the same as above, but with a local file (i.e., not via
TRAMP), breakpoints show up as expected.
Another detail, which may be related, is that if I try to set another
breakpoint on the same line, I get this message:
File
/scp:laptop:/home/edam/src/lang/c++/hello-world/"/home/edam/data/dev/lang/c++/hello-world/hw.cc"
no longer exists!
Which would seem to indicate that emacs is becoming confused about file
file names over TRAMP.
In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9)
of 2016-04-08 on binet, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11803000
System Description: Debian GNU/Linux unstable (sid)
Configured using:
`configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/lib
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp
--build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp
--with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
'CFLAGS=-g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'
Important settings:
value of $LANG: en_GB.utf8
locale-coding-system: utf-8-unix
Major mode: C++/l
Minor modes in effect:
shell-dirtrack-mode: t
tooltip-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
abbrev-mode: t
Recent messages:
Tramp: Opening connection for laptop using scp...done
Target doesn't support non-stop mode. Turning it off.
Command: break hw.cc:5
Use M-x make-directory RET RET to create the directory and its parents
Tramp: Checking `vc-registered' for
/scp:laptop:/home/edam/src/lang/c++/hello-world/"/home/edam/data/dev/lang/c++/hello-world/hw.cc"...done
Use M-x make-directory RET RET to create the directory and its parents
Tramp: Checking `vc-registered' for
/scp:laptop:/home/edam/data/dev/lang/c++/hello-world/"/home/edam/data/dev/lang/c++/hello-world/hw.cc"...done
Use M-x make-directory RET RET to create the directory and its parents
Load-path shadows:
/usr/share/emacs24/site-lisp/emacs-goodies-el/all hides
/usr/share/emacs/24.5/site-lisp/elpa/company-0.8.12/all
/usr/share/emacs24/site-lisp/cmake-data/cmake-mode hides
/usr/share/emacs/site-lisp/cmake-mode
/usr/share/emacs/24.5/site-lisp/debian-startup hides
/usr/share/emacs/site-lisp/debian-startup
/usr/share/emacs24/site-lisp/psgml/psgml-init hides
/usr/share/emacs/site-lisp/psgml/psgml-init
/usr/share/emacs24/site-lisp/psgml/psgml-sysdep hides
/usr/share/emacs/site-lisp/psgml/psgml-sysdep
/usr/share/emacs24/site-lisp/psgml/psgml-edit hides
/usr/share/emacs/site-lisp/psgml/psgml-edit
/usr/share/emacs24/site-lisp/psgml/psgml-dtd hides
/usr/share/emacs/site-lisp/psgml/psgml-dtd
/usr/share/emacs24/site-lisp/psgml/psgml hides
/usr/share/emacs/site-lisp/psgml/psgml
/usr/share/emacs24/site-lisp/psgml/psgml-info hides
/usr/share/emacs/site-lisp/psgml/psgml-info
/usr/share/emacs24/site-lisp/psgml/psgml-parse hides
/usr/share/emacs/site-lisp/psgml/psgml-parse
/usr/share/emacs24/site-lisp/psgml/psgml-ids hides
/usr/share/emacs/site-lisp/psgml/psgml-ids
/usr/share/emacs24/site-lisp/psgml/psgml-other hides
/usr/share/emacs/site-lisp/psgml/psgml-other
/usr/share/emacs24/site-lisp/psgml/psgml-api hides
/usr/share/emacs/site-lisp/psgml/psgml-api
/usr/share/emacs24/site-lisp/psgml/psgml-charent hides
/usr/share/emacs/site-lisp/psgml/psgml-charent
Features:
(shadow sort mail-extr emacsbug message rfc822 mml mml-sec mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums mail-utils gdb-mi bindat json gud
cc-langs cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align
cc-engine cc-vars cc-defs help-mode easymenu tramp-cache tramp-sh tramp
tramp-compat auth-source eieio byte-opt bytecomp byte-compile cl-extra
cl-loaddefs cl-lib cconv eieio-core gnus-util mm-util mail-prsvr
password-cache tramp-loaddefs trampver shell pcomplete comint ansi-color
ring format-spec advice help-fns s ucs-normalize psgml-init
emacs-goodies-el emacs-goodies-custom emacs-goodies-loaddefs easy-mmode
devhelp dash-functional dash time-date tooltip electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd
fontset image regexp-opt fringe tabulated-list newcomment lisp-mode
prog-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
minibuffer nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
Memory information:
((conses 16 257936 12358)
(symbols 48 24798 0)
(miscs 40 133 191)
(strings 32 34368 8660)
(string-bytes 1 1117099)
(vectors 16 40099)
(vector-slots 8 806756 6357)
(floats 8 639 156)
(intervals 56 543 1441)
(buffers 960 22)
(heap 1024 26132 1165))
--
Tim Marston
ed.am
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