From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gateway30.websitewelcome.com (gateway30.websitewelcome.com [192.185.196.18]) by sourceware.org (Postfix) with ESMTPS id 84A1F389366E for ; Wed, 17 Jun 2020 15:43:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 84A1F389366E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=tom@tromey.com Received: from cm11.websitewelcome.com (cm11.websitewelcome.com [100.42.49.5]) by gateway30.websitewelcome.com (Postfix) with ESMTP id 0AE26B694 for ; Wed, 17 Jun 2020 10:43:10 -0500 (CDT) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id laDVjs41mhmVTlaDVjkkZg; Wed, 17 Jun 2020 10:43:10 -0500 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=nFZ+F1pi9Bf35RvCAExDNsZy33bbYH5UN7xNulCXX/A=; b=YUKwS2qUHiWo0Jcbrhj3YuAKTD YlLkkxP0p327lYgNUOFIXE1+im+N58hLDZgY1dRNmZAKcB5TnKTBXCHY/g7dUMYVr1N9JDcQuxPD+ IFSxGsW/oaEKI0btLkOmKeX7g; Received: from 174-16-104-48.hlrn.qwest.net ([174.16.104.48]:47196 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1jlaDV-002TR0-Ln; Wed, 17 Jun 2020 09:43:09 -0600 From: Tom Tromey To: Pedro Alves via Gdb-patches Cc: Rainer Orth , Pedro Alves Subject: Re: Unbreaking gdb on Solaris post-multitarget [PR 25939] References: <7fb790ae-61a9-a6a3-3b87-74fcac400664@redhat.com> X-Attribution: Tom Date: Wed, 17 Jun 2020 09:43:08 -0600 In-Reply-To: <7fb790ae-61a9-a6a3-3b87-74fcac400664@redhat.com> (Pedro Alves via Gdb-patches's message of "Tue, 16 Jun 2020 20:16:38 +0100") Message-ID: <87wo45d7g3.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 174.16.104.48 X-Source-L: No X-Exim-ID: 1jlaDV-002TR0-Ln X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 174-16-104-48.hlrn.qwest.net (murgatroyd) [174.16.104.48]:47196 X-Source-Auth: tom+tromey.com X-Email-Count: 1 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3028.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, JMQ_SPF_NEUTRAL, RCVD_IN_ABUSEAT, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jun 2020 15:43:12 -0000 Pedro> Could this be a race somehow more exposed now due to GDB now spawning worker Pedro> threads? What happens if you debug a GDB that doesn't spawn worker Pedro> threads? Like: Pedro> ./gdb -D ./data-directory --args ./gdb -ex "maint set worker-threads 0" You have to be sure to build without Guile if you want to try this; the garbage collector automatically starts threads as well. Tom