Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp4633323imu; Tue, 29 Jan 2019 05:04:24 -0800 (PST) X-Google-Smtp-Source: ALg8bN6uJeEerCTbl7Q7omQ72GSasw4ONB3FpzKvReiilsLRt3ZLH5XedF8eQLY59P1eYCdFZX/C X-Received: by 2002:a17:902:2bc5:: with SMTP id l63mr26343205plb.107.1548767064423; Tue, 29 Jan 2019 05:04:24 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1548767064; cv=none; d=google.com; s=arc-20160816; b=buMebyfRnTfsWMnYVyAXZjZGbEGO6fHp5TE04G4L8yPsAYxHJc58/L9gvDB35qiigC vqAG/CWxCRqEiFJ3LO2p8X+fMwdIZKjC7oA1IsK7UOf1ZijLMpeFjyzGSpBiL6vwSbY+ RFgoqc2cf7JpFtpBTS8zCpeKS5dun2rtZcuDCvfULocJ8pZbVG+OGpVQnkjRycRgHr7a fU8NwZ6IC9wRQxBPPejQ2hRL9gOvGFhXGK59xhuYS1Vclx+Cu4ZtS8CIGso/LfNmyqdy ReYjhzpGU5oCkOixeBaLfzdCBFrsT6jefhzi1tCyd9XOXv82xvLnGQU1ZZfqJMLlKEyv unTg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=C28tE7IrSkYkx5YoNsf2z4SNh92orZdZchP3HvM/86c=; b=fWaOjb/wVL4zUYUUodWGERp/6jLaXAOV3YvgbPJjnR/j/71Vx+k5wP07alnG/oLUpF H6+kH6wdse+SJ7Rxrbs+XTED3SqsA25wzuTyKpyDVCxaa+U9thqpUzx1sSoogiNJO8VT KuEM1pQurWpFA/+QZeRcOy1IWWAHRIonErBi3Te6HBYylNa74GvxyVR0ukfREkg1X8Y/ dgW9ntipOk5nop87y7INTk3NVydf7ltdmWbrD4+Cj5CSwthYj4v7nfqfmJy0zk5el8e/ EpES3kaO5jQCnDxmUzT8RRfHFN2tmscQQFbAOu5X+7hkZ10r3vzjmz4d+05A5I/gT0ld Qzgw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j17si12285450pfd.113.2019.01.29.05.04.06; Tue, 29 Jan 2019 05:04:24 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727487AbfA2NDM (ORCPT + 99 others); Tue, 29 Jan 2019 08:03:12 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:44408 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725772AbfA2NDM (ORCPT ); Tue, 29 Jan 2019 08:03:12 -0500 Received: from [5.158.153.52] (helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1goT2c-0005I3-6Y; Tue, 29 Jan 2019 14:03:02 +0100 Date: Tue, 29 Jan 2019 14:03:01 +0100 (CET) From: Thomas Gleixner To: Peter Zijlstra cc: Heiko Carstens , Ingo Molnar , Martin Schwidefsky , LKML , linux-s390@vger.kernel.org, Stefan Liebler , Sebastian Sewior Subject: Re: WARN_ON_ONCE(!new_owner) within wake_futex_pi() triggered In-Reply-To: <20190129103557.GF28485@hirez.programming.kicks-ass.net> Message-ID: References: <20181127081115.GB3625@osiris> <20181129112321.GB3449@osiris> <20190128134410.GA28485@hirez.programming.kicks-ass.net> <20190128135804.GB28878@hirez.programming.kicks-ass.net> <20190129090108.GA26906@osiris> <20190129102409.GB26906@osiris> <20190129103557.GF28485@hirez.programming.kicks-ass.net> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 29 Jan 2019, Peter Zijlstra wrote: > On Tue, Jan 29, 2019 at 11:24:09AM +0100, Heiko Carstens wrote: > > > Yes, sure. However ;) I reproduced the above with v5.0-rc4 + your > > patch. And now I am trying to reproduce with linux-next 20190129 + > > your patch and it doesn't trigger. Did I miss a patch which is only in > > linux-next which could fix this? > > > > I'm forever confused on what patch is where; but -ESRCH makes me thing > maybe you lost this one: > > --- > > commit da791a667536bf8322042e38ca85d55a78d3c273 > Author: Thomas Gleixner > Date: Mon Dec 10 14:35:14 2018 +0100 That's in Linus tree already ...