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=-0.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 8866FC432BE for ; Sat, 31 Jul 2021 01:04:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5441460F46 for ; Sat, 31 Jul 2021 01:04:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234742AbhGaBEB (ORCPT ); Fri, 30 Jul 2021 21:04:01 -0400 Received: from mout.gmx.net ([212.227.17.22]:48125 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231337AbhGaBEA (ORCPT ); Fri, 30 Jul 2021 21:04:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1627693386; bh=NvOfU3vudpzB1gN5IEwQ5eLbIIUMOlAEGpRRt0GcmFc=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=dchH6Y5DFoQETsLyZZrR+3Xikxk65wH5ZhLy2KReA28gV5HAXWTkHjtXRITI7lcxg XrR6uqAPaaJ2FiId87sScpobl74gn6DGlkW3VRYLyXnzCZf2hNO7SYMuCYB5OIjXA7 rDuPiBwWGoluy26Z+Dqd4iXWcpPh2AqD4oPzejl4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.191.218.109]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mkpap-1mtOp330aF-00mKKf; Sat, 31 Jul 2021 03:03:06 +0200 Message-ID: Subject: Re: v5.14-rc3-rt1 losing wakeups? From: Mike Galbraith To: Thomas Gleixner , Sebastian Andrzej Siewior Cc: LKML , linux-rt-users@vger.kernel.org, Steven Rostedt , Peter Zijlstra Date: Sat, 31 Jul 2021 03:03:05 +0200 In-Reply-To: <87pmuzsf1p.ffs@tglx> References: <20210730110753.jvli6alm63h5lefy@linutronix.de> <2ae27233ab091d09a7d1e971a47144b40dd51fa0.camel@gmx.de> <87pmuzsf1p.ffs@tglx> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.40.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:bCXKUODlOQ6QM5iOrYOPoKcIvbkBA8A5IGmVMGbcy3cq4/hVBAI RV6h3F6QP0iFymw2b9VqB54kUKNPo4FNgqMJHXi8bVN4dUAEnLAokYqWqKjXrN2Yeg6hFbS KVJPkpGrlR3LmhWHb8NJPnzi/6vGExtYHntNCq9stT/PeCqVdbbShqqXuXGhHnqjxKlfc93 2KnRuBU9XlaXjctQlwNVg== X-UI-Out-Filterresults: notjunk:1;V03:K0:xGJ0rSlsorU=:fV7AumzYQ9S3xUV8SA+gnG EibBGX0yKXcMfdQpXAdPLI5/d2SzX7nfc2bWmAw2igUgWcet9zDpM2vCd+jDXemdwm4ZxA7Gb IVNr7ZpA5ozYv1oDB0gk0Fg1DiIfw8eZXv4O5m5ZgoHaWnoWgeFS8sYdm5xFZoj5iYWeRPzDO dMYU+u/76nSK8L7odc21vydUPGlhw9aTyrOYb/KS/ojgFelZ2R0801UaWsfUZCVc6+bzAKxsz a5/F5JS11bnDQKZ21vhBFWM7bwX+dsVn4geSk8Ar3P1tXVfsTKb935OfCQIcEuItE972Gia9h bhI0etmAjZ9mCtgCBORNvB5qVZkekzt+nEPeCMGuQLpdRj+zI6azvPsoEyLnFYWx35PJNF1Yd 1EmZ3BlTMTIcQbmQ7cZpXmsyVUN70W8gRc+IyRfWUoIuruvkgX5+cjpf+pR8UlstqEODrAWkc HxEQ13SmqfnKJ+FjR2XWH5QUDL5CoCtDgcT8iKeqJNmUUDd/JnWwcPsIbe+Z30wC6IpGqj29z tlPmDfV2YIRqXluzXqB+ds4QPrCkmAUfPpyaRQXUX23zr18IDJ39x/bSu07m4M5g0A1G9gRuM lORPkH2/q3Dz9Ml8RIB1eOEPVydgBq/2CYqFmnqGg69B+x32e+9wlWc1T6vjY7+V9TEl7J7ug /NWgW2j54Q6HVFbtAQLJRfJUXIbRK26qz8WExSXiRruL61Hir+kQL5JWgLPEFe7SZZoPLf7af Fw9as4GFx+Vwr8Tc2lCjcLp+3dFJlN0BiSciC6LINlBp3oEapucbgD0a2AR4dS6HbIdFmqgJA jJxtPnSxE5hvZCdqi2LlAu7IVilLb1TVVe+SBkr1efvJg4FYFlH2PTN1tSM45CUs04F/7/GrO yH2pxksRBwD6NXUsEvVn92QZ7yxDJsvgTsGUyTwDLM5BdFdzClSZkuv582D17QqIXdu2zcwFI 5VyIqXI76Qmm61a2poVX/CuuPkOzdQWro+6PQOMZPNYhE9XLtoHKcnOHL96ECdiqaRCAIdQxO etrKuWb32oCozrZ+LwlvnTNYieQ6p+AAO0htCFGy6oEDS3okbF0eNy5b0zMYnqN/uSfn2eEyF 6Nz9D1ehc4FtRE9p5ehSA47UjnSw6YH4K2u Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2021-07-30 at 22:49 +0200, Thomas Gleixner wrote: > > > > First symptom is KDE/Plasma's task manager going comatose.=C2=A0 Notic= e soon > > KDE/Plasma points at the new fangled rtmutex based ww_mutex from > Peter. Yeah, that seems to be most of the delta from 50->62 [now 63] commit delta, and the 50 turning out to be what I was already running. I'm staring, but as yet, nothing has poked me in the eye. > I tried to test the heck out of it... And futextests, rt-tests etc work fine, just stay away from GUI. > Which graphics driver is in use on that machine? The all too often problem child nouveau, but I don't _think_ it's playing a roll in this, as nomodeset hangs as well. I'll stuff it into lappy (i915) to double check that. -Mike