From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 129419 invoked by alias); 20 Dec 2017 21:35:47 -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 129408 invoked by uid 89); 20 Dec 2017 21:35:47 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.7 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mail-qk0-f182.google.com Received: from mail-qk0-f182.google.com (HELO mail-qk0-f182.google.com) (209.85.220.182) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 20 Dec 2017 21:35:46 +0000 Received: by mail-qk0-f182.google.com with SMTP id d202so3998097qkc.9 for ; Wed, 20 Dec 2017 13:35:45 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=c9GkxMQpLmbrwErjLVr8mF1/zz3T9tl8Md3W7PLhmW8=; b=DpyEvM+dky++HF/evt44LgIa3Ql3HDhmzgGskTo3nIBZlVI6i8WgCmZ7nmt0bvPl0O T8gkU2OfWFznVQ3O+5vWB6rHGQFNEtTdDp58C7X+/DgnMUYgGnbx7pk7Itt2CVYobHUy D+eKVaLfO9WeeZ8ezIVmqfY5anTwiFwkOW7D0fgaoO+m49tYZkkovySUoDk298OLwxC6 H257aWwGvP1ukYslHL313X+VHgRjJQz5WPFf8hCLj/V8AMRNzTlO7s8ehQzGyOZYaNrt wJByr/WUfoFd548/c4PubvZqCmPUxlD/4u1Z/D/IurGNoN2+xZ5g54ZJrfZT7uSK1vAe wY8Q== X-Gm-Message-State: AKGB3mJHh59dtvO07jlMVZSKA28zar08sbAAqhcj7ptAZWpEbZ6Ybb7H SXyyM24C3LKe0zJjVVGJ1WZOXx7oP5ZqDXjWV4w= X-Google-Smtp-Source: ACJfBovaI0tqurC1hkmBIfTZHvrUOklRtBsyesqqQnAG99Ydr+4zptdWEafqqBV7ILa1LrYF5iXd9+kzpQ+MEmU4R48= X-Received: by 10.233.232.203 with SMTP id a194mr8662070qkg.186.1513805744532; Wed, 20 Dec 2017 13:35:44 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.132.161 with HTTP; Wed, 20 Dec 2017 13:35:44 -0800 (PST) In-Reply-To: References: <86o9mu8v32.fsf@gmail.com> From: Yao Qi Date: Wed, 20 Dec 2017 21:35:00 -0000 Message-ID: Subject: Re: ppc64* native-gdbserver testsuite hangs on gdb.threads/process-dies-while-handling-bp.exp To: Edjunior Machado Cc: GDB Patches Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2017-12/txt/msg00456.txt.bz2 On Wed, Dec 20, 2017 at 4:23 PM, Yao Qi wrote: > Is it gdb.base/watchpoints.exp? My regression test running on gcc110 > is very slow, blocked by gdb.base/watchpoints.exp. The test needs two > HW watchpoints, but ppc only has one HW watchpoint register. GDB > native can do resource counting, so it is smart enough to switch to > SW wathcpoint if there is not enough HW watchpoint registers. However, > GDB remote can *not* do resource counting, so GDB fails to insert > watchpoints, and all the following tests timeout. > Looks ppc64-linux gdbserver doesn't support watchpoint, so we need to improve test cases to probe hw watchpoint support. See test "set probe hw watchpoint" in watchpoint-stops-at-right-insn.exp. --=20 Yao (=E9=BD=90=E5=B0=A7)