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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E714C433E7 for ; Sat, 17 Oct 2020 07:02:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B8A0B2076A for ; Sat, 17 Oct 2020 07:02:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B8A0B2076A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=t-online.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTgEd-0000zl-NC for qemu-devel@archiver.kernel.org; Sat, 17 Oct 2020 03:02:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35502) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTgDR-0000Y8-0z for qemu-devel@nongnu.org; Sat, 17 Oct 2020 03:01:21 -0400 Received: from mailout02.t-online.de ([194.25.134.17]:39686) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTgDN-00007s-4Y for qemu-devel@nongnu.org; Sat, 17 Oct 2020 03:01:20 -0400 Received: from fwd08.aul.t-online.de (fwd08.aul.t-online.de [172.20.26.151]) by mailout02.t-online.de (Postfix) with SMTP id 2114241F0C65; Sat, 17 Oct 2020 09:01:12 +0200 (CEST) Received: from [192.168.211.200] (TD0ycvZAZhJdukzh3hhpdqbSvodQBXfrUC2uJekWElq1Ywgjt3l-lhUDZ2HSRO7g+S@[46.86.52.112]) by fwd08.t-online.de with (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384 encrypted) esmtp id 1kTgDF-4Tj7Wy0; Sat, 17 Oct 2020 09:01:09 +0200 From: =?UTF-8?Q?Volker_R=c3=bcmelin?= Subject: Re: aio_poll() assertion fail on Windows To: Mark Cave-Ayland , qemu-devel References: <2baf958b-80bd-778e-e0e8-b03364a942a6@ilande.co.uk> Message-ID: <395294f6-9e33-e982-08e7-98b786cd17f8@t-online.de> Date: Sat, 17 Oct 2020 09:01:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.2 MIME-Version: 1.0 In-Reply-To: <2baf958b-80bd-778e-e0e8-b03364a942a6@ilande.co.uk> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-ID: TD0ycvZAZhJdukzh3hhpdqbSvodQBXfrUC2uJekWElq1Ywgjt3l-lhUDZ2HSRO7g+S X-TOI-EXPURGATEID: 150726::1602918070-000072E4-F4E14FFB/0/0 CLEAN NORMAL X-TOI-MSGID: 22dc5fc6-d9f0-4f39-a05c-b487a5dafd71 Received-SPF: none client-ip=194.25.134.17; envelope-from=vr_qemu@t-online.de; helo=mailout02.t-online.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/17 03:01:12 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] 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, FREEMAIL_FROM=0.001, NICE_REPLY_A=-0.253, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Howard Spoelstra Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" > Whilst testing a Windows build of git master of qemu-system-ppc in MSYS2/MingW64 I noticed the following assertion message in the console after booting into OpenBIOS and then closing the GTK GUI window without booting a client OS: > > $ ./qemu-system-ppc > ** > ERROR:../util/aio-win32.c:337:aio_poll: assertion failed: (in_aio_context_home_thread(ctx)) > Bail out! ERROR:../util/aio-win32.c:337:aio_poll: assertion failed: (in_aio_context_home_thread(ctx)) > > Has anyone else seen this at all? > This error appears since commit 9ce44e2ce2 "qmp: Move dispatcher to a coroutine". I think I can see the problem, but I'll have to ask Kevin. I really don't know the qmp code. With best regards, Volker