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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 473AFC432C0 for ; Fri, 29 Nov 2019 12:16:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 249972086A for ; Fri, 29 Nov 2019 12:16:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726834AbfK2MQF (ORCPT ); Fri, 29 Nov 2019 07:16:05 -0500 Received: from pindarots.xs4all.nl ([82.161.210.87]:48768 "EHLO pindarots.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726360AbfK2MQE (ORCPT ); Fri, 29 Nov 2019 07:16:04 -0500 Received: from surfplank2.hierzo (localhost.localdomain [127.0.0.1]) by pindarots.xs4all.nl (8.15.2/8.14.5) with ESMTPS id xATCG2Av870724 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 29 Nov 2019 13:16:02 +0100 Subject: Re: 5.2.21-rt13 WARN_ON(rt_mutex_owner(lock) != current) To: Juri Lelli Cc: RT References: <1dd8d3b0-1fb3-c9fd-a4c3-935d60f0b034@xs4all.nl> <20191125071729.GH23227@localhost.localdomain> From: Udo van den Heuvel Autocrypt: addr=udovdh@xs4all.nl; prefer-encrypt=mutual; keydata= mQINBFTtuO0BEACwwf5qDINuMWL9poNLJdZh/FM5RxwfCFgfbM29Aip4wAUD3CaQHRLILtNO Oo4JwIPtDp7fXZ3MB82tqhBRU3W3HVHodSzvUk2VzV0dE1prJiVizpPtIeYRRDr4KnWTvJOx Fd3I7CiLv8oTH9j5yPTMfZ58Prp6Fgssarv66EdPWpKjQMY4mS8sl7/3SytvXiACeFTYPBON 1I2yPIeYK4pKoMq9y/zQ9RjGai5dg2nuiCvvHANzKLJJ2dzfnQNGaCTxdEAuCbmMQDb5M+Gs 8AT+cf0IWNO4xpExo61aRDT9N7dUPm/URcLjCAGenX10kPdeJP6I3RauEUU+QEDReYCMRnOM +nSiW7C/hUIIbiVEBn9QlgmoFINO3o5uAxpQ2mYViNbG76fnsEgxySnasVQ57ROXdEfgBcgv YSl4anSKyCVLoFUFCUif4NznkbrKkh7gi26aNmD8umK94E3a9kPWwXV9LkbEucFne/B7jHnH QM6rZImF+I/Xm5qiwo3p2MU4XjWJ1hhf4RBA3ZN9QVgn5zqluGHjGChg/WxhZVRdBl8Un3AY uixd0Rd9jFSUhZm/rcgoKyeW6c1Vkh8a2F+joZ/8wzxk6A8keiWq/pE00Lo9/Ed2w5dVBe1p N7rNh2+7DjAqpCSshYIsHYs0l5Q2W+0zYfuPM1kRbUdQF1PK0wARAQABtCVVZG8gdmFuIGRl biBIZXV2ZWwgPHVkb3ZkaEB4czRhbGwubmw+iQJiBBMBAgBMJhpodHRwOi8vcGluZGFyb3Rz LnhzNGFsbC5ubC9wb2xpY3kudHh0AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAUCVkiW pwIZAQAKCRCOFcDCBOMObsjdD/oDH+DvcAFakVThGdFi00o1W0j7fFcPhrP34Ulf+5idkgJm RzarJrz7Av7L6fwCS3JtrzfEJ+qoP84ONxnhNhj5ItHpVUlxyRWPBisklNlGJWK277Naw3BT mql2edPRIcR5Ypd8O7DBXIypG0CigjOVWfWLspjLmEGlinqpjHWuv4/LJ3qwSbbpW0rXpb44 xSWB+u605pfrO3vDox5ORGCLktN8IXWISm9mS6vSXAi797KHwVX55OsiKqCbNkSM3bl6XfHh CPUpbOHXHzZXvP7JTINZfSfTPJx0iWCn3KArcsy7MzSwpUpUpDizrWwVRW1XySQydb8m+lnl 8IVpJFiXiFEYGhFYU9HbUFSNGku134O5tf3VurfpOXmxGyeoyXWt4m9l7fcSaBAZq21iJT+S VCSmsI0JfhxMHjMbwdghPQ3UYK4q95TOcVRUkH0h+b2cZPirol4htc+ZCSzPKI++AGjXWIc5 ZyQbthmFesrYGGttNIFFWsj3RUkyB58toDE7gXmarkhBg74tsSGbCyJp8/foy5hrci5sSi5P cygZxEDytCTNw1Dno/EAHUOpI2lJsVN8ACws16a6vh/UgQnBPsVFgVd0HSnlEX9XLO65lHlX aXo0zXomy+DDYD1sKARt8sKJk/H/VGs3SMRH3QtSBtWcUQKyJXMafWP/8A1Bz7kCDQRU7bjt ARAAwdK6VLsLLfyqYuA2/X+agquHh3U44IVxuRGAjQ7NSec9il+ENpbsaK6QGFBlyaWHkqcL e2u7DWTmG1uBqU9XqXGgeQJiOY8aof0rMsOVd1yYZsQO7+t2yfMOuS9+eRDxxj5l8gZXOKl3 eQ5akqlKIWJy4G4D5pwCKuA5XFphpikPLm84Fb4V8IgRuiHaeHjeZyfkwYhKqxiyneGZ387b S3r4pMKprXlvFzWTr+x2TxexAECP3Tjg9ZakOIaVmgvFtl8L12ib6YJke7HxY/a3P3Glt+Zl 5r/qcbWQoqyKBX+flWAjCPw+9EbdQNjBnIes3sPTTZ4YP4s2qC9rd/afeTSy3iUJhjGrEF+5 d0AB1F+ZipmnZkGFF7tlvu6T/66JzsndOiEaLBYUa4VqJ+T0pvgX+MkbueYaQlsDl9eB24sC HTwfexUnvK5sUKnFFn5ZYZoIein2XHXb8EjbiT1G3G0Yj/q/DrRH1T7EiP6JPIIFdVVccnth j6rinWVJPiXRC8Gby/uSZP8t7HmQRYKV+xCESfRb4ZEfZqVm1/3wo3wYL5ek71yLEZC57+Hb RWgjaZuQg7Pn59Bh+M6cx5xTdyQ3PSeR14uXWLvMnVO2yF5pd6Ou2ySWatgtqmeTd77MpJ9+ mPZTSG/lDGXpL2s1P6GiroiY0g3aicCgObwzr/MAEQEAAYkCRgQYAQIAMAUCVO247SYaaHR0 cDovL3BpbmRhcm90cy54czRhbGwubmwvcG9saWN5LnR4dAIbDAAKCRCOFcDCBOMObqXID/9+ lT7u4VJlreAFpSXOxwRlAtN88rzap3sZyQ1Z4YCxEZLHg4Ew2X0xS8w6t5jM4atOiuUW6fHY nI5KiYV7GARWWhZe/zsTjSs/tZVC68Q9qNwE1Ck+tuBV7d59l8qLBgQITsl6HCiYBaGJR2BF RdhP8a/aC6i3MWP8umK0yLJrV7gvP0sL8EKuz1zBARL5WuvzgsTA72QsilEQ/ZGYXwWnPOiI vTrGxZHD9apKOacSoY+CT+W+xe+tAKT0I8k4Ejda/hg6jMnaNNONX6rtiQEoUxv3R+iRhnaA NIsdTpUoZAbvFwStnRWgn+LgIMvKa5uW0Mjk0ynd14UxFluPs7J3saUukF4jXJGiWS2APD2K nNc7sAZraeSk/JFy0Y0WFCCr/UHzVLZnwdWpdw3inoIQeKtN2jWpuPP2l+4fgLybHJVnrDAs jujgAUTyaLDYoUryBiodY8G8gdZxTZvXk0RA9ux2TnFJJvdw8rR1sej5Lax1CZnQYwXNLvIi OcFUtIrTXnUj2uK2teab0RBIE4QedGoTGGHPuua8WqFpvVzC9iCIQlVtfGw6CVvq92icqbdz QYrlFbsVCXOM9TvO5ppqJowfdKmqFUjQPAsO40bwbphkt1NBalgZaxMCinpqEggVm/rGqbj2 JjyRAfO8kEkwCkTZ6/Mnrxsunx9VNLGDEw== Organization: hierzo Message-ID: <646d19b9-7a74-5b3a-b272-860d565e62c9@xs4all.nl> Date: Fri, 29 Nov 2019 13:16:02 +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: <20191125071729.GH23227@localhost.localdomain> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org On 25-11-2019 08:17, Juri Lelli wrote: > Peter is working on rewriting percpu_rwsem implementation to fix it. > > https://lore.kernel.org/lkml/20191113102115.116470462@infradead.org/ How/when will that work reach us? The issue is very reproducible here and affects stability a tad too much. A patch to fix this would be quite useful... Thanks in advance....! Kind regards, Udo