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 E01FAC433EF for ; Sat, 18 Dec 2021 09:35:18 +0000 (UTC) Received: from localhost ([::1]:35908 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1myW7Z-00057B-F9 for qemu-devel@archiver.kernel.org; Sat, 18 Dec 2021 04:35:17 -0500 Received: from eggs.gnu.org ([209.51.188.92]:47168) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1myW6C-0004Ef-0E for qemu-devel@nongnu.org; Sat, 18 Dec 2021 04:33:52 -0500 Received: from 10.mo548.mail-out.ovh.net ([46.105.77.235]:33403) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1myW6A-00056d-6r for qemu-devel@nongnu.org; Sat, 18 Dec 2021 04:33:51 -0500 Received: from mxplan5.mail.ovh.net (unknown [10.109.146.147]) by mo548.mail-out.ovh.net (Postfix) with ESMTPS id E23C32030B; Sat, 18 Dec 2021 09:33:46 +0000 (UTC) Received: from kaod.org (37.59.142.100) by DAG4EX1.mxp5.local (172.16.2.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Sat, 18 Dec 2021 10:33:46 +0100 Authentication-Results: garm.ovh; auth=pass (GARM-100R003392f41ab-de77-4d05-ae0b-da4e531170b3, B1F2FCB93787BB0875C07E604CDE73E7ADF677F7) smtp.auth=clg@kaod.org X-OVh-ClientIp: 82.64.250.170 Message-ID: <31878c2f-2d85-9c84-d967-6899fe980c67@kaod.org> Date: Sat, 18 Dec 2021 10:33:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: [PATCH 00/15] ppc/ppc405: decade cleanup Content-Language: en-US From: =?UTF-8?Q?C=c3=a9dric_Le_Goater?= To: Christophe Leroy , "qemu-ppc@nongnu.org" , "qemu-devel@nongnu.org" References: <20211206103712.1866296-1-clg@kaod.org> <880aa46a-97cb-ad79-b72e-f8276692d750@kaod.org> <25f46261-6dd4-e1e5-cc68-c5a56243858c@kaod.org> In-Reply-To: <25f46261-6dd4-e1e5-cc68-c5a56243858c@kaod.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [37.59.142.100] X-ClientProxiedBy: DAG3EX2.mxp5.local (172.16.2.22) To DAG4EX1.mxp5.local (172.16.2.31) X-Ovh-Tracer-GUID: 4775a59a-250b-4b55-8afa-8602a5ec508a X-Ovh-Tracer-Id: 12320159731160419177 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvuddrleekgddthecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefkffggfgfuhffvfhgjtgfgihesthekredttdefjeenucfhrhhomhepveorughrihgtpgfnvggpifhorghtvghruceotghlgheskhgrohgurdhorhhgqeenucggtffrrghtthgvrhhnpeeihfefffffgedtkeegtdekffevudeggfegffethfffhefhhfevhfdtudejhfdvieenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddruddttdenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhhouggvpehsmhhtphhouhhtpdhhvghlohepmhigphhlrghnhedrmhgrihhlrdhovhhhrdhnvghtpdhinhgvtheptddrtddrtddrtddpmhgrihhlfhhrohhmpegtlhhgsehkrghougdrohhrghdprhgtphhtthhopehgrhhouhhgsehkrghougdrohhrgh Received-SPF: pass client-ip=46.105.77.235; envelope-from=clg@kaod.org; helo=10.mo548.mail-out.ovh.net X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-1.716, 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: , Cc: Thomas Huth , Daniel Henrique Barboza , Greg Kurz , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" >> Don't know if this is the reason of our problems but I think there is >> something to investigate around timer interrupts: >> >> >> / # cat /proc/interrupts >>              CPU0 >>    16:         68       UIC   1 Level     serial >> LOC:          0   Local timer interrupts for timer event device >> LOC:          0   Local timer interrupts for others >> SPU:          0   Spurious interrupts >> PMI:          0   Performance monitoring interrupts >> MCE:          0   Machine check exceptions >> >> Any idea what the problem can be ? How does QEMU generates timer >> interrupts ? The ppc405 timers were trashed by ddd1055b07fd ("PPC: booke timers"). I guess at the time, in 2011, there were no possible ways to test regressions :/ This is addictive. I will look into it, I hope it's only a question of adding back the TSR and TCR store helpers. Thanks, C.