From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: William Xu Newsgroups: gmane.emacs.bugs Subject: bug#40279: 26.3; Error: you did not specify -i=mi on GDB's command line! Date: Tue, 03 Nov 2020 19:52:41 +0100 Organization: the Church of Emacs Message-ID: References: <87ft61134a.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32980"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (darwin) To: 40279@debbugs.gnu.org Cancel-Lock: sha1:VJUWQ08y/BPTGoHs4sTV826gmkA= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 03 19:53:25 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ka1Qr-0008RA-8A for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 03 Nov 2020 19:53:25 +0100 Original-Received: from localhost ([::1]:37810 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ka1Qp-0002EK-Lb for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 03 Nov 2020 13:53:23 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50276) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ka1QU-0002D8-0I for bug-gnu-emacs@gnu.org; Tue, 03 Nov 2020 13:53:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:34863) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ka1QT-0001rz-Mt for bug-gnu-emacs@gnu.org; Tue, 03 Nov 2020 13:53:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ka1QT-0000O0-Md for bug-gnu-emacs@gnu.org; Tue, 03 Nov 2020 13:53:01 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: Resent-From: William Xu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 03 Nov 2020 18:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40279 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.16044295771474 (code B ref -1); Tue, 03 Nov 2020 18:53:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 3 Nov 2020 18:52:57 +0000 Original-Received: from localhost ([127.0.0.1]:46409 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ka1QO-0000Ni-Of for submit@debbugs.gnu.org; Tue, 03 Nov 2020 13:52:57 -0500 Original-Received: from lists.gnu.org ([209.51.188.17]:54494) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ka1QN-0000Nb-BM for submit@debbugs.gnu.org; Tue, 03 Nov 2020 13:52:55 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50224) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ka1QM-00025j-EH for bug-gnu-emacs@gnu.org; Tue, 03 Nov 2020 13:52:55 -0500 Original-Received: from static.214.254.202.116.clients.your-server.de ([116.202.254.214]:52016 helo=ciao.gmane.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ka1QG-0001on-HZ for bug-gnu-emacs@gnu.org; Tue, 03 Nov 2020 13:52:54 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1ka1QC-0007cg-Gt for bug-gnu-emacs@gnu.org; Tue, 03 Nov 2020 19:52:44 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geb-bug-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 13:52:44 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: 5 X-Spam_score: 0.5 X-Spam_bar: / X-Spam_report: (0.5 / 5.0 requ) BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FORGED_GMAIL_RCVD=1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, NML_ADSP_CUSTOM_MED=0.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:192636 Archived-At: Roland Coeurjoly writes: > When doing M-x gdb, I enter "docker-compose -f ~/docker-services/dev/docker-compose.yml exec dev_rhel7 bash -c "gdb -i=mi"", and then > it shows me the following message. > > Current directory is /home/drcoeurjoly/docker-services/dev/ > > Error: you did not specify -i=mi on GDB's command line! WARNING: The MY_UID variable is not set. Defaulting to a blank string. Is "WARNING: The MY_UID variable is not set. Defaulting to a blank string." coming from your docker or bash? The check of gdb--check-interpreter looks pretty weak, as long as there is anything that will be written to stdout before the gdb cmd itself, it will fail with below check: #+begin_src emacs-lisp (unless (memq (aref string 0) '(?^ ?~ ?@ ?& ?* ?=)) #+end_src which will further set below filter. The filter below seems preventing the gdb-mi to work: #+begin_src emacs-lisp (set (make-local-variable 'gud-marker-filter) #'gud-gdb-marker-filter) #+end_src One can easily reproduce similar error, by wrapping around gdb with "echo hi" at the front: #+begin_src shell-script #!/bin/sh arg="$@" echo hi gdb -i=mi ${arg} #+end_src IMO, in the above cases, we should not immediately fall back to gud-gdb filter. The user should at least get a chance (like yes-or-no-p) to continue with gdb-mi, regardless of the sometimes-false-positive error. -- William