From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from outbound-ss-820.bluehost.com (outbound-ss-820.bluehost.com [69.89.24.241]) by sourceware.org (Postfix) with ESMTPS id 2961F3858C74 for ; Wed, 9 Mar 2022 19:50:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2961F3858C74 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com Received: from cmgw15.mail.unifiedlayer.com (unknown [10.0.90.130]) by progateway2.mail.pro1.eigbox.com (Postfix) with ESMTP id 82E1F10047FB3 for ; Wed, 9 Mar 2022 19:50:24 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id S2KGnck2dkku4S2KGnuZr1; Wed, 09 Mar 2022 19:50:24 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=B8N8bMhM c=1 sm=1 tr=0 ts=62290500 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=o8Y5sQTvuykA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=xOBOemYoxZh_mOWJZlwA:9 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=/s8WAyehLbw1fBq7BL3kzJeGtiFqFw8d9utJs/FoEyY=; b=dFaZKBZ7huem1HhfeJDCDfr6qk 42GxnmEYFKSHBmkyDacUbqLkEvl4wTdobja4BmzLXy6ttUu2BhVeBj5vz9o29NqX5HZj4huoxVrH0 dz6DJ7b+wvySPm2hfWPqJ38r6; Received: from 75-166-141-253.hlrn.qwest.net ([75.166.141.253]:40576 helo=prentzel) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nS2KF-002lQe-NK; Wed, 09 Mar 2022 12:50:23 -0700 From: Tom Tromey To: Florian Weimer Cc: Tom Tromey , Stefan Hajnoczi via Gdb , Stefan Hajnoczi , qemu-devel@nongnu.org, pedro@palves.net, "Dr. David Alan Gilbert" Subject: Re: How to backtrace an separate stack? References: <87sfrtakce.fsf@oldenburg.str.redhat.com> <87fsnt1xhg.fsf@tromey.com> <87ilsn784k.fsf@oldenburg.str.redhat.com> X-Attribution: Tom Date: Wed, 09 Mar 2022 12:50:22 -0700 In-Reply-To: <87ilsn784k.fsf@oldenburg.str.redhat.com> (Florian Weimer's message of "Wed, 09 Mar 2022 11:06:19 +0100") Message-ID: <87fsnqgb29.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (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: 75.166.141.253 X-Source-L: No X-Exim-ID: 1nS2KF-002lQe-NK X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-141-253.hlrn.qwest.net (prentzel) [75.166.141.253]:40576 X-Source-Auth: tom+tromey.com X-Email-Count: 4 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3024.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, JMQ_SPF_NEUTRAL, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Mar 2022 19:50:26 -0000 >> Yes, the infamous "previous frame inner to this frame" error message. I >> think this is primarily intended to detect stack trashing, but maybe it >> also serves to work around bad debuginfo or bugs in the unwinders. Florian> Is there a user-level command to disable the check manually? I don't think so. I think it would be fine if someone wanted to add one. Tom