From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16788 invoked by alias); 31 Jan 2018 16:41:52 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 16778 invoked by uid 89); 31 Jan 2018 16:41:52 -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,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy=H*r:sk:static. X-HELO: mail-wr0-f176.google.com Received: from mail-wr0-f176.google.com (HELO mail-wr0-f176.google.com) (209.85.128.176) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 31 Jan 2018 16:41:50 +0000 Received: by mail-wr0-f176.google.com with SMTP id g21so15694167wrb.13 for ; Wed, 31 Jan 2018 08:41:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=z41SywSn3nxtZyWyuaYuJpMQ/RUipWJFHlp6t+ucdz0=; b=WkRAcAjQ+K/bnO1+qX7LknYbgVxok4YMtTTmvF7q5WYRBlADiWi09q3M1g/ioCDJad 3N5zRB9HnV5K+v5VNsXPytHlEYIR3yninrSryMZzlY9n4oWdwRy4IdnvbVm51nKtvu3V ynxXqa7ad4vYLasHwkRS5aN7MRLnnXv+E33wUbiAOyGvdOSG33gJuox6hnOZjlJtjKhe Jms25bhtz3nztnIBu7qRC0Vxdvf4PS76iG2bokHfAH/iFnQblMrXMdCNh0+YZPUKKBlG KI7xb+JvxflH8eZ5zUAJfToaZpGtrNqMm2RGyVY2r4RKCoL1d+d6SerxDHmfe9b33ufp jqoQ== X-Gm-Message-State: AKwxytePju9o7mxEAGvZpbrLy16d58qDYhH9vO7B5b8XcpJ24A/0LlWo NQHNvfYChlYxyWf5IwB3k/joUg== X-Google-Smtp-Source: AH8x227CA6opUqWrbzFTbI+zWuMrEu2i48Z/3eBemRN2/80LiJ/X2YYC4Wlfrvu/pPeI9szHbd7K6Q== X-Received: by 10.223.165.2 with SMTP id i2mr16273063wrb.84.1517416908488; Wed, 31 Jan 2018 08:41:48 -0800 (PST) Received: from E107787-LIN (static.42.136.251.148.clients.your-server.de. [148.251.136.42]) by smtp.gmail.com with ESMTPSA id r1sm160373wmg.22.2018.01.31.08.41.47 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 31 Jan 2018 08:41:47 -0800 (PST) From: Yao Qi To: Omair Javaid Cc: gdb-patches@sourceware.org Subject: Re: [PATCH] Fix for GDB failing to interrupt after run when no PID issued by stub References: <1517222676-467-1-git-send-email-omair.javaid@linaro.org> Date: Wed, 31 Jan 2018 16:41:00 -0000 In-Reply-To: <1517222676-467-1-git-send-email-omair.javaid@linaro.org> (Omair Javaid's message of "Mon, 29 Jan 2018 15:44:36 +0500") Message-ID: <86607ic75j.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2018-01/txt/msg00665.txt.bz2 Omair Javaid writes: > Here are the steps to reproduce: > 1) arm-none-eabi-gdb file-to-debug.elf > 2) target remote :3333 "target extended-remote :3333". > At this stage gdb would have connected and halted successfully. > 3) run > Issue ctrl + C to interrupt running program and GDB wont be able to stop. Could you show the log of "set debug remote 1", especially after "ctrl-c" is typed. I want to understand what is going on over these packets between GDB and stub, and reproduce it on GDBserver by disabling some packets. This is what I get, (gdb) c Continuing. Sending packet: $Z0,7ffff7dea940,1#e0...Packet received: OK Sending packet: $QPassSignals:#f3...Packet received: OK Sending packet: $Hc0#db...Packet received: OK Sending packet: $s#73...Packet received: T0506:c0dcffffff7f0000;07:c0dcffff= ff7f0000;10:7f05400000000000; Sending packet: $Z0,40057a,1#74...Packet received: OK Sending packet: $QPassSignals:e;10;14;17;1a;1b;1c;21;24;25;2c;4c;97;#0a...P= acket received: OK Sending packet: $Hcpa410.0#6f...Packet received: E01 Sending packet: $c#63...^Cremote_pass_ctrlc called remote_interrupt called Packet received: T0206:ffffffff00000000;07:d8daffffff7f0000;10:e05dadf7ff7f= 0000; Sending packet: $qL1200000000000000000#50...Packet received:=20 Program received signal SIGINT, Interrupt. Sending packet: $z0,40057a,1#94...Packet received: OK In the stop reply from my gdbserver, there is no "thread id" either. My stop reply has expedite registers while OpenOCD doesn't. I don't think this matters here. --=20 Yao (=E9=BD=90=E5=B0=A7)