From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 69006C004D4 for ; Thu, 19 Jan 2023 14:15:23 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pIVgi-0001uc-Hc; Thu, 19 Jan 2023 09:14:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pIVgh-0001uQ-9S for qemu-devel@nongnu.org; Thu, 19 Jan 2023 09:14:43 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pIVgf-0000vM-7o for qemu-devel@nongnu.org; Thu, 19 Jan 2023 09:14:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674137679; h=from:from:reply-to: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=B/b2GmnpA4q74W/+iK0aHosaDPhxphoRZmGJzxuhGPs=; b=f37fjRjR2IAe5weNP90C6k1Uy69SHiNrkK6tHasKcDYvLmevlToMJ+QKpdm0yujoBT64K5 w7efGFG/3BxqeGB2UsD3J7IyXaMsCKVq0ShMib6F9rM35/2RmWbCRK4OkCrF5rx3xDZuIT /tdnZ3l0RGc9DT6uV22BwhikedBxXHU= 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-152-5QGkFWvbNjOHRBXqapJ76g-1; Thu, 19 Jan 2023 09:14:38 -0500 X-MC-Unique: 5QGkFWvbNjOHRBXqapJ76g-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 57D318A0106; Thu, 19 Jan 2023 14:14:38 +0000 (UTC) Received: from redhat.com (unknown [10.33.36.79]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 780B9492C3C; Thu, 19 Jan 2023 14:14:37 +0000 (UTC) Date: Thu, 19 Jan 2023 14:14:35 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Akihiko Odaki , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , QEMU Developers , Thomas Huth , Gerd Hoffmann Subject: Re: tests/qtest: Is vnc-display-test supposed to work on Darwin? Message-ID: References: <9b81a6f2-7bf9-4ada-d7ba-c8a9dffcb2d3@linaro.org> <60569516-bd5a-b124-e105-8a9ab9f43c89@linaro.org> <7a46cdc2-42b7-a71d-5c00-a7b6e30d2622@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/2.2.9 (2022-11-12) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Jan 19, 2023 at 12:00:41PM +0000, Daniel P. Berrangé wrote: > On Thu, Jan 19, 2023 at 12:49:48PM +0100, Philippe Mathieu-Daudé wrote: > > So to detect makecontext() I have to add > > --extra-cflags=-mmacosx-version-min=10.5 but then linking fails with > > multiple "$LIBNAME was built for newer macOS version (13.0) than being > > linked (11.0)". > > Yes, ucontext has been deprecated forever on macOS, but in practice it > has still been functional if you define _XOPEN_SOURCE, which is what > gtk-vnc has done traditionally. > > I presume this is on the aarch64 macOS though, and so all bets are off > wrt ucontext backend unless someone knows it works correctly with the > m1 port. I fear that's not the case though, given the wierd error > scenario we're hitting in gtk-vnc. Yep, I've confirmed there's something broken with gtk-vnc. When we call 'getcontext' is corrupts memory in gtk-vnc structs. This makes me believe that the defined 'struct ucontext_t' is too small for use with 'getcontext' on macOS aarch64 platforms. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|