From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id s9DjLTQTs2N0JA4AWB0awg (envelope-from ) for ; Mon, 02 Jan 2023 12:24:04 -0500 Received: by simark.ca (Postfix, from userid 112) id AF55D1E222; Mon, 2 Jan 2023 12:24:04 -0500 (EST) Authentication-Results: simark.ca; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=ZerunXdj; dkim-atps=neutral X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, RDNS_DYNAMIC,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 682BE1E112 for ; Mon, 2 Jan 2023 12:24:04 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 012DF385842C for ; Mon, 2 Jan 2023 17:24:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 012DF385842C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1672680243; bh=Rue7yVlgGt4ZZf+071j0Khw4A7NIUZDIiDcKkvQwVic=; h=To:Cc:Subject:References:Date:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=ZerunXdj1Rxoyxuy3nqI2eviBReTtC74xFCHSWNo65sPSnl5i1cc9xYxS/rIlp6kj CcNqsUGFxkljhHtCZxzNQ6/joBklkPJ8GsncoYf5uWg6wvKDKSJalYhYHybQt7NJ8P dbO9WHHoRchGZ5V396lY2S8jBreiwn5U7tiBA7eo= Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id E71DF3858434 for ; Mon, 2 Jan 2023 17:22:57 +0000 (GMT) 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-185-ZCgaYIt_PAKpq0eKIAobGA-1; Mon, 02 Jan 2023 12:22:56 -0500 X-MC-Unique: ZCgaYIt_PAKpq0eKIAobGA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 29386811E9C; Mon, 2 Jan 2023 17:22:56 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.2.16.30]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2FCAD51EF; Mon, 2 Jan 2023 17:22:55 +0000 (UTC) To: Andreas Schwab Cc: Florian Weimer via Gdb , Dmitry Belyavskiy Subject: Re: Hardware watchpoints on GNU/Linux AArch64 References: <87tu18naqq.fsf@oldenburg.str.redhat.com> <87358sq2xm.fsf@igel.home> Date: Mon, 02 Jan 2023 18:22:53 +0100 In-Reply-To: <87358sq2xm.fsf@igel.home> (Andreas Schwab's message of "Mon, 02 Jan 2023 18:08:53 +0100") Message-ID: <874jt8n95e.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain 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: , From: Florian Weimer via Gdb Reply-To: Florian Weimer Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" * Andreas Schwab: > On Jan 02 2023, Florian Weimer via Gdb wrote: > >> Is this actually expected to work? Would we have more luck on a >> bare-metal system? > > Worksforme on real hardware, probably a missing qemu emulation. > > You can try maintenance set show-debug-regs 1 to see if you get more > information. It doesn't show more details unfortunately. This is KVM running on real hardware. Admittedly, it could be an outdated kernel. Thanks, Florian