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=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 CA480C43387 for ; Fri, 11 Jan 2019 10:37:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9813A21848 for ; Fri, 11 Jan 2019 10:37:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="aKP991mn"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="CtKu/jLT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731870AbfAKKhu (ORCPT ); Fri, 11 Jan 2019 05:37:50 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:48664 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726503AbfAKKhr (ORCPT ); Fri, 11 Jan 2019 05:37:47 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 2B47C608CE; Fri, 11 Jan 2019 10:37:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1547203067; bh=0jnvXPeTvd+zLe0+T19WVbVNbZUN3iS0HEfwpZX21Xc=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=aKP991mnU8WFUjcutkWBsaiWhvyUd4jIdCNz5VjF3wkDnP6HGLdvlwP3NGOWZrNnT TOLmqOSFi+8a5/Cyu6RKm6dtkbF6x0vvu1l7zFGOzFZRUFbw7cxmH+AyxQQLdXgHsM VNupOzwm2XWAyat6sb04JueR4pWbfGbVUZ2bYa2w= Received: from [10.204.78.166] (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: gkohli@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 345626089D; Fri, 11 Jan 2019 10:37:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1547203066; bh=0jnvXPeTvd+zLe0+T19WVbVNbZUN3iS0HEfwpZX21Xc=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=CtKu/jLTS1SOECio0FTP/yo7w+edso8re6yDlwBKiJ3g78YFo9TL5eSBZ6AxQxMyr lJ5zm0yI0uq2wxGHFq2xXWbSBwK6Uc95XzFoQbMpMSohf9byid5KLdgf/RBqj4jo0h 7b0f4jnOox56PLBPN2pj/8t+O7jCFYUUgZtX0Vsg= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 345626089D Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=gkohli@codeaurora.org Subject: Re: kernel BUG at kernel/sched/core.c:3490! To: Oleg Nesterov , Qian Cai Cc: Peter Zijlstra , Ingo Molnar , linux kernel References: <20190107135215.GG14122@hirez.programming.kicks-ass.net> <46089f1c-ad72-c96c-2f35-c2f60e726462@lca.pw> <20190107175644.GB7636@redhat.com> From: "Kohli, Gaurav" Message-ID: <3a6d8f4c-d7ed-e888-601b-a379efec306a@codeaurora.org> Date: Fri, 11 Jan 2019 16:07:42 +0530 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190107175644.GB7636@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/7/2019 11:26 PM, Oleg Nesterov wrote: > pr_crit("XXX: %ld %d\n", current->state, current->on_rq); Can we also add flags, this may help to know the path of problem: pr_crit("XXX: %ld %d 0x%x\n", current->state, current->on_rq, current->flags); -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.