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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F5E4CCA47F for ; Mon, 18 Jul 2022 13:01:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234049AbiGRNBg (ORCPT ); Mon, 18 Jul 2022 09:01:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230131AbiGRNBe (ORCPT ); Mon, 18 Jul 2022 09:01:34 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 19BEF63D4 for ; Mon, 18 Jul 2022 06:01:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658149292; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Eys+Z4CsioRJRql2AEhhAjwV+0wb8WqObF1vNqWzRYU=; b=EZ5umrgXSrB/R5J7Kt52vjjU+CTFgRsey5t8ShZEsDOqtrLMuAczj8hSQV63+IVErTEctB hXuZf0JOeNFtaHdBZme2SpywTasSNZESQg/fjFCLHYzZZM2POaMieZEwrni/YGa3aq6w99 PEFZWG16HDiPLMQTFDTz9TKewKBo1KE= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-150-P4c5r4vuMnWNoLwee76Yeg-1; Mon, 18 Jul 2022 09:01:28 -0400 X-MC-Unique: P4c5r4vuMnWNoLwee76Yeg-1 Received: by mail-wr1-f72.google.com with SMTP id v23-20020adfa1d7000000b0021d620f5ef3so1989127wrv.16 for ; Mon, 18 Jul 2022 06:01:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Eys+Z4CsioRJRql2AEhhAjwV+0wb8WqObF1vNqWzRYU=; b=4qh5EtJ4TNGVXKDIoSMy8yToF6kQy9covEmXpUHP4d3yhQ3xRcxVmX8/2k16FHn4Aa IOZL82KL1qB5+S0H1ktRkKECThDCCZGkAv0iwKpa3KkZFrHF17LcKMvus0WOD3ZU2yXZ zaPrJvQaQQpdiE6JkewbClefO43dafgrxa2PW23sfg/VZGhtFZaYzIAls6lX0JQo2kaz QIy9p/zVvPJYksqBtoKD8O4s+rkgpKAFTzi4Q/sLZQwk1V6pjWuRLaN7kJtwhKM2C1XJ YpH0DfQafX9rAFsRKOf/xgwMQgcU8waYs/2jTFCbhJPF4RDHeYzmbeRygOVIzr7VRBuF w4sg== X-Gm-Message-State: AJIora8MvAX5tLiyMcCcXmSF/Y5OUZ0G5Fpa0SZHVqjX4Un2o+JYZJP/ +rYJIQq3DxfqouvTnSfzWBKwHaWujVoeo0DUHON1boBBZxbToiinHTB3vJ0pClnLpiKgOQ+kohB Elh6p7/NuBQHjjO7F3AEEtRJZ X-Received: by 2002:a05:600c:348d:b0:3a3:1fe6:6b38 with SMTP id a13-20020a05600c348d00b003a31fe66b38mr1467576wmq.144.1658149287014; Mon, 18 Jul 2022 06:01:27 -0700 (PDT) X-Google-Smtp-Source: AGRyM1vXuNVNsIeKnZKdua0sBlCscP7wWrQFFJY6q2dJH6v/YJjUFsSjlnw3rB0/veB2xpWl9vf6nQ== X-Received: by 2002:a05:600c:348d:b0:3a3:1fe6:6b38 with SMTP id a13-20020a05600c348d00b003a31fe66b38mr1467515wmq.144.1658149286348; Mon, 18 Jul 2022 06:01:26 -0700 (PDT) Received: from localhost.localdomain ([151.29.59.195]) by smtp.gmail.com with ESMTPSA id q10-20020adfab0a000000b0021d4155cd6fsm10667881wrc.53.2022.07.18.06.01.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Jul 2022 06:01:25 -0700 (PDT) Date: Mon, 18 Jul 2022 15:01:22 +0200 From: Juri Lelli To: Ankit Jain Cc: "srivatsa@csail.mit.edu" , LKML , linux-rt-users , Ingo Molnar , Peter Zijlstra , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Sharan Turlapati , Him Kalyan Bordoloi , Keerthana Kalyanasundaram , Anish Swaminathan , Srivatsa Bhat Subject: Re: [PATCH] sched/deadline: Fix BUG_ON condition for deboosted tasks Message-ID: References: <20220713075014.411739-1-juri.lelli@redhat.com> <806a86d3-5204-145e-af46-023bf0142aa8@csail.mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/07/22 07:46, Ankit Jain wrote: ... > Hi Juri, > > Actually, while testing I already included below commits in 4.19-rt : > > feff2e65efd8d84cf831668e182b2ce73c604bbb (sched/deadline: Unthrottle PI boosted threads while > enqueuing) > 46fcc4b00c3cca8adb9b7c9afdd499f64e427135 (sched/deadline: Fix stale throttling on de-/boosted tasks) > 2279f540ea7d05f22d2f0c4224319330228586bc (sched/deadline: Fix priority inheritance with multiple) > 0e3872499de1a1230cef5221607d71aa09264bd5 (kernel/sched: Remove dl_boosted flag comment) Interesting. Is the workload you are using to test this easily reproducible? I'd like to try that out on my end to check if I see the same (of course the issue I was working on goes away with my fix :). Best, Juri