From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 101164 invoked by alias); 11 Oct 2017 20:32:58 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 101143 invoked by uid 89); 11 Oct 2017 20:32:57 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:1548 X-HELO: limerock03.mail.cornell.edu Received: from limerock03.mail.cornell.edu (HELO limerock03.mail.cornell.edu) (128.84.13.243) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 11 Oct 2017 20:32:56 +0000 X-CornellRouted: This message has been Routed already. Received: from authusersmtp.mail.cornell.edu (granite4.serverfarm.cornell.edu [10.16.197.9]) by limerock03.mail.cornell.edu (8.14.4/8.14.4_cu) with ESMTP id v9BKWs6p028396 for ; Wed, 11 Oct 2017 16:32:54 -0400 Received: from [192.168.0.4] (mta-68-175-129-7.twcny.rr.com [68.175.129.7] (may be forged)) (authenticated bits=0) by authusersmtp.mail.cornell.edu (8.14.4/8.12.10) with ESMTP id v9BKWr2h004161 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT) for ; Wed, 11 Oct 2017 16:32:54 -0400 Subject: Re: gdb 7.11.1-2 started within emacs fails To: cygwin@cygwin.com References: <207e93bf-8f7e-57a3-1abc-cc645c79020c@cornell.edu> <9bed0b67-2930-ee6b-8361-4bf4d9d7d542@dronecode.org.uk> From: Ken Brown Message-ID: <9fbef412-169a-48fd-362e-249e0b585481@cornell.edu> Date: Wed, 11 Oct 2017 20:32:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <9bed0b67-2930-ee6b-8361-4bf4d9d7d542@dronecode.org.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-PMX-Cornell-Gauge: Gauge=XXXXX X-PMX-CORNELL-AUTH-RESULTS: dkim-out=none; X-IsSubscribed: yes X-SW-Source: 2017-10/txt/msg00109.txt.bz2 On 10/11/2017 3:44 PM, Jon Turney wrote: > On 27/09/2016 21:15, Ken Brown wrote: >> On 9/27/2016 2:47 PM, Rockefeller, Harry wrote: >>> Using program foo: >>>       program foo >>>       e = 1.0 >>>       stop >>>       end >>> >>> $ /usr/bin/gfortran    -g foo.f -o foo >>> >>> Emacs version info: GNU Emacs 25.1.1 (i686-pc-cygwin, GTK+ Version >>> 3.18.9) of 2016-09-17 >>> >>> Inside emacs I ran M-x gud-gdb and got >>> ... GNU gdb (GDB) (Cygwin 7.11.1-2) 7.11.1 ... >>> (gdb) b 1 >>> Breakpoint 1 at 0x4011d6: file foo.f, line 1. >>> (gdb) r >>> Starting program: /cygdrive/c/Users/harryr/foo.exe >>> [New Thread 6296.0x22ac] >>> [New Thread 6296.0x24d4] >>> readline: readline_callback_read_char() called with no handler! >>> Debugger aborted (core dumped) >>> >>> Foo written in C++ also fails with the same message. >>> Running gdb foo in bash gives the expected result: >>> gdb stops at first executable line prompting for next gdb command. >> >> I can confirm that this happens also with gdb-7.11.1-1 but not >> gdb-7.10.1-1.  (I tested on x86_64, since gdb-7.10.1-1 is broken on x86.) >> >> It also fails with M-x gdb instead of M-x gud-gdb, but with a >> different error message: >> >>    Failed to resume program execution (ContinueDebugEvent failed, >> error 87) > > These problem seem not longer occur due to upstream changes in gdb 7.12. Everything seems fine on x86_64 and with M-x gud-gdb on x86. But when I run M-x gdb on x86 (even with no file), gdb crashes. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple