From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 4B3AA3858CDB for ; Fri, 7 Oct 2022 15:40:57 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 4B3AA3858CDB Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665157256; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/YIbNru8OitjZwsmjW48p7FrZTN5pF7NyX4hrHj0OHc=; b=WLhXie0ALWFAZcpuKrui9ohBRdX7B7cDq/YW4eWkfIr+c61APGWaC+6yZcOI9b/ccfscjh wGTb/fv4MJXlLYN9EOsqLzee3tK7Onl1yMu2Wc+hHjO84NaKwRO2dgwJ1gUS9TV2w3PXNs RGIMl98RBcyMkIUIiSyshyWdc8nGie8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-180-3PhjugC1NYWCyG64UZhbPQ-1; Fri, 07 Oct 2022 11:40:53 -0400 X-MC-Unique: 3PhjugC1NYWCyG64UZhbPQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5930B185A794; Fri, 7 Oct 2022 15:40:53 +0000 (UTC) Received: from [10.2.17.232] (unknown [10.2.17.232]) by smtp.corp.redhat.com (Postfix) with ESMTPS id F11462023A16; Fri, 7 Oct 2022 15:40:52 +0000 (UTC) Message-ID: <8572e97c-bb2e-b6a2-3fb3-1cf8b38ca281@redhat.com> Date: Fri, 7 Oct 2022 08:40:52 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.1 Subject: Re: Context switch during stepping causes weird behavior To: John Baldwin , Adrian Oltean , "gdb@sourceware.org" References: From: Keith Seitz In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 10/5/22 09:53, John Baldwin wrote: > I don't know off the top of my head if there is a knob to disable > displaced stepping. FYI: (gdb) apropos displaced set debug displaced -- Set displaced stepping debugging. set displaced-stepping -- Set debugger's willingness to use displaced stepping. show debug displaced -- Show displaced stepping debugging. show displaced-stepping -- Show debugger's willingness to use displaced stepping. Keith