From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Robert Mecklenburg Newsgroups: gmane.emacs.bugs Subject: bug#28309: gud mode fails with docker gdb Date: Thu, 31 Aug 2017 12:54:48 -0600 Message-ID: <22952.23416.854187.961382@gargle.gargle.HOWL> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1504205922 20081 195.159.176.226 (31 Aug 2017 18:58:42 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 31 Aug 2017 18:58:42 +0000 (UTC) Cc: Robert Mecklenburg To: 28309@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Aug 31 20:58:37 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dnUfL-0003ok-Jt for geb-bug-gnu-emacs@m.gmane.org; Thu, 31 Aug 2017 20:58:12 +0200 Original-Received: from localhost ([::1]:57109 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnUfS-0004Ja-Lh for geb-bug-gnu-emacs@m.gmane.org; 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I have a docker image (with Ubuntu xenial), "Docker version 17.06.1-ce, build 874a737", in which I'm trying to run gdb. The emacs is running outside the docker while gdb is running inside the docker. The docker container is called "xenial-3.0.0". I start gdb with M-x gdb and a command line of: docker exec -it xenial-3.0.0 gdb -i=3Dmi -cd=3D$PWD agentgtest The bug is that I'm getting the message: Error: you did not specify -i=3Dmi on GDB's command line! I've set (setq gdbmi-debug-mode t) and *Messages* contains: ... gdb-input: 1-inferior-tty-set /dev/pts/6 gdb-input: 2-gdb-set height 0 gdb-input: 3-gdb-set non-stop 1 gdb-input: 4-enable-pretty-printing gdb-input: 5-file-list-exec-source-files gdb-input: 6-file-list-exec-source-file gdb-input: 7-gdb-show prompt gdb-input: 8-stack-info-frame gdb-input: 9-thread-info gdb-input: 10-break-list gdb-input: 11-thread-info gdb-input: 12-break-list Error: you did not specify -i=3Dmi on GDB=E2=80=99s command line! C-h C-g is undefined Updating buffer list...done Commands: m, u, t, RET, g, k, S, D, Q; q to quit; h for help ... The *gud-exec* buffer contains: Current directory is /home/mecklen/c4software/3.0.0/control4/zwave= /agent/gtest/ Error: you did not specify -i=3Dmi on GDB's command line! 1-inferior-tty-set /dev/pts/6 2-gdb-set height 0 3-gdb-set non-stop 1 4-enable-pretty-printing 5-file-list-exec-source-files 6-file-list-exec-source-file 7-gdb-show prompt 8-stack-info-frame 9-thread-info 10-break-list 11-thread-info 12-break-list =3Dthread-group-added,id=3D"i1" ~"GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1\n" ~"Copyright (C) 2016 Free Software Foundation, Inc.\n" ~"License GPLv3+: GNU GPL version 3 or later \nThis is free software: you are free to change and redis= tribute it.\nThere is NO WARRANTY, to the extent permitted by law. Ty= pe \"show copying\"\nand \"show warranty\" for details.\n" ~"This GDB was configured as \"x86_64-linux-gnu\".\nType \"show co= nfiguration\" for configuration details." ~"\nFor bug reporting instructions, please see:\n" ~".\n" ~"Find the GDB manual and other documentation resources online at:= \n.\n" ~"For help, type \"help\".\n" ~"Type \"apropos word\" to search for commands related to \"word\"= ...\n" =3Dcmd-param-changed,param=3D"demangle-style",value=3D"gnu-v3" =3Dcmd-param-changed,param=3D"print array",value=3D"on" =3Dcmd-param-changed,param=3D"print elements",value=3D"20000" =3Dcmd-param-changed,param=3D"print object",value=3D"on" =3Dcmd-param-changed,param=3D"print pretty",value=3D"on" =3Dcmd-param-changed,param=3D"print static-members",value=3D"off" =3Dcmd-param-changed,param=3D"print vtbl",value=3D"on" =3Dcmd-param-changed,param=3D"mi-async",value=3D"on" =3Dcmd-param-changed,param=3D"pagination",value=3D"off" ~"TERM =3D xterm-256color\n" &"$PWD: No such file or directory.\n" &"agentgtest: No such file or directory.\n" (gdb)=20 1^done (gdb)=20 2^done (gdb)=20 3^done (gdb)=20 4^done (gdb)=20 5^done,files=3D[] (gdb)=20 6^error,msg=3D"No symbol table is loaded. Use the \"file\" comman= d." (gdb)=20 7^done,value=3D"(gdb) " (gdb)=20 8^error,msg=3D"No registers." (gdb)=20 9^done,threads=3D[] (gdb)=20 10^done,BreakpointTable=3D{nr_rows=3D"0",nr_cols=3D"6",hdr=3D[{wid= th=3D"7",alignment=3D"-1",col_name=3D"number",colhdr=3D"Num"},{width= =3D"14",alignment=3D"-1",col_name=3D"type",colhdr=3D"Type"},{width=3D"= 4",alignment=3D"-1",col_name=3D"disp",colhdr=3D"Disp"},{width=3D"3",al= ignment=3D"-1",col_name=3D"enabled",colhdr=3D"Enb"},{width=3D"10",alig= nment=3D"-1",col_name=3D"addr",colhdr=3D"Address"},{width=3D"40",align= ment=3D"2",col_name=3D"what",colhdr=3D"What"}],body=3D[]} (gdb)=20 11^done,threads=3D[] (gdb)=20 12^done,BreakpointTable=3D{nr_rows=3D"0",nr_cols=3D"6",hdr=3D[{wid= th=3D"7",alignment=3D"-1",col_name=3D"number",colhdr=3D"Num"},{width= =3D"14",alignment=3D"-1",col_name=3D"type",colhdr=3D"Type"},{width=3D"= 4",alignment=3D"-1",col_name=3D"disp",colhdr=3D"Disp"},{width=3D"3",al= ignment=3D"-1",col_name=3D"enabled",colhdr=3D"Enb"},{width=3D"10",alig= nment=3D"-1",col_name=3D"addr",colhdr=3D"Address"},{width=3D"40",align= ment=3D"2",col_name=3D"what",colhdr=3D"What"}],body=3D[]} (gdb) The original docker image was run with: docker run --interactive --tty \ --volume /home/mecklen:/home/mecklen \ --hostname xenial-3.0.0 \ --name xenial-3.0.0 \ --security-opt seccomp:unconfined \ xenial-3.0.0-builder /bin/bash It seems as if the initial sequence of mi control commands is somehow being echoed back to emacs and processed as input. That makes no sense to me, any suggestions are welcome. BTW, I'm familiar with accessing a docker from TRAMP and using M-x gdb that way. I works a little better but has a different set of issues and I'd prefer to use this approach, if possible. Thanks in advance, --=20 Robert Mecklenburg rmecklenburg@control4.com