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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 C5653C43603 for ; Fri, 20 Dec 2019 19:39:08 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 4BA78206D8 for ; Fri, 20 Dec 2019 19:39:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4BA78206D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47ffFP6YNHzDqv2 for ; Sat, 21 Dec 2019 06:39:05 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kaod.org (client-ip=46.105.76.148; helo=9.mo179.mail-out.ovh.net; envelope-from=clg@kaod.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kaod.org X-Greylist: delayed 8404 seconds by postgrey-1.36 at bilbo; Sat, 21 Dec 2019 06:37:00 AEDT Received: from 9.mo179.mail-out.ovh.net (9.mo179.mail-out.ovh.net [46.105.76.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47ffC05KcyzDqsJ for ; Sat, 21 Dec 2019 06:36:56 +1100 (AEDT) Received: from player792.ha.ovh.net (unknown [10.108.57.183]) by mo179.mail-out.ovh.net (Postfix) with ESMTP id 102D71537FC for ; Fri, 20 Dec 2019 16:59:51 +0100 (CET) Received: from kaod.org (lfbn-tou-1-1227-223.w90-76.abo.wanadoo.fr [90.76.50.223]) (Authenticated sender: clg@kaod.org) by player792.ha.ovh.net (Postfix) with ESMTPSA id 6B9ACD84FD77; Fri, 20 Dec 2019 15:59:36 +0000 (UTC) Subject: Re: [Qemu-ppc] pseries on qemu-system-ppc64le crashes in doorbell_core_ipi() To: "Jason A. Donenfeld" References: <20190327123615.rwhk6h3ayfurvapf@linutronix.de> <7d97f3c6-4614-ead7-179a-e7e223ea3997@kaod.org> <2bbc1490-400d-585e-d74b-924c570b4236@kaod.org> <1553836851.2264.2.camel@gmail.com> <1553850306.nyv11r9iej.astroid@bobo.none> <20190329113109.3a9bd24e@gandalf.local.home> <1553912871.ce5mzizoek.astroid@bobo.none> <20190401083827.GE11158@hirez.programming.kicks-ass.net> <20190406000611.GA27782@lenoir> <1554801792.ruzup3dxhe.astroid@bobo.none> <7a5b63a0-2bf5-60bb-8678-b7b36671a29c@zx2c4.com> <871rt0mql5.fsf@mpe.ellerman.id.au> <42d35390-0661-8d1e-d335-03186ee7ec93@kaod.org> From: =?UTF-8?Q?C=c3=a9dric_Le_Goater?= Message-ID: <66fbe0a7-0ab9-b3a3-ce06-55bf8a267d57@kaod.org> Date: Fri, 20 Dec 2019 16:59:36 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Ovh-Tracer-Id: 17291289295786707942 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedufedrvddufedgkedtucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepuffvfhfhkffffgggjggtgfesthekredttdefjeenucfhrhhomhepveorughrihgtpgfnvggpifhorghtvghruceotghlgheskhgrohgurdhorhhgqeenucffohhmrghinhepghhithhhuhgsrdgtohhmnecukfhppedtrddtrddtrddtpdeltddrjeeirdehtddrvddvfeenucfrrghrrghmpehmohguvgepshhmthhpqdhouhhtpdhhvghlohepphhlrgihvghrjeelvddrhhgrrdhovhhhrdhnvghtpdhinhgvtheptddrtddrtddrtddpmhgrihhlfhhrohhmpegtlhhgsehkrghougdrohhrghdprhgtphhtthhopehlihhnuhigphhptgdquggvvheslhhishhtshdrohiilhgrsghsrdhorhhgnecuvehluhhsthgvrhfuihiivgeptd X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Sebastian Andrzej Siewior , Steven Rostedt , qemu-ppc@nongnu.org, Nicholas Piggin , Suraj Jitindar Singh , Frederic Weisbecker , Paul Mackerras , Thomas Gleixner , linuxppc-dev@lists.ozlabs.org, Frederic Weisbecker , David? Gibson Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 12/20/19 12:32 PM, Jason A. Donenfeld wrote: > On Thu, Dec 19, 2019 at 2:08 PM Cédric Le Goater wrote:> >> There is a patch for msgsndp in my tree you could try : >> >> https://github.com/legoater/qemu/tree/powernv-5.0 >> >> Currently being reviewed. I have to address some remarks from David before >> it can be merged. > > Thanks. I've cherry-picked > https://github.com/legoater/qemu/commit/910c9ea5ecc and can confirm > that I no longer receive the crashes. QEMU 5.1 or 5.0.1 release, I > guess? QEMU 5.1 I would say. That's enough time to address the comments. Michael's patch to drop self IPIs is also interesting for Linux. I wonder how we can reach that point. Thanks, C.