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 E272BC433F5 for ; Wed, 2 Mar 2022 12:38:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241812AbiCBMjI (ORCPT ); Wed, 2 Mar 2022 07:39:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231958AbiCBMjG (ORCPT ); Wed, 2 Mar 2022 07:39:06 -0500 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B80F6F4A3; Wed, 2 Mar 2022 04:38:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1646224704; x=1677760704; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UgICb5ciFEnI1dKFbScEEs2FF9Max9eXOAfOpAvRCQw=; b=iQmQBhrTsr8VXw0DOFJbfFMPROqZ661YwZGVD+zbc9Q4UQaCCHytuwn+ dM/Pgju1ZH9x/nOooqi16E40Pk+fA24NVjBmp8guKzVl9Y9b+ZtDZ2InQ v5RvZhXXlrw6WCzEfitWqd0FxTGehmnXD2axFZnWzJeJJ/anLRLTipYTY Q=; Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 02 Mar 2022 04:38:23 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 04:38:23 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Wed, 2 Mar 2022 04:38:02 -0800 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Wed, 2 Mar 2022 04:38:01 -0800 Date: Wed, 2 Mar 2022 07:37:59 -0500 From: Qian Cai To: "Huang, Ying" CC: , , "Peter Zijlstra (Intel)" , , Subject: Re: [tip: sched/core] sched/numa: Avoid migrating task to CPU-less node Message-ID: References: <20220214121553.582248-2-ying.huang@intel.com> <164512421264.16921.689831789198253265.tip-bot2@tip-bot2> <87v8wx1850.fsf@yhuang6-desk2.ccr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <87v8wx1850.fsf@yhuang6-desk2.ccr.corp.intel.com> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 02, 2022 at 08:59:55AM +0800, Huang, Ying wrote: > Thanks for reporting! Can you try whether the following debug patch can fix the issue? Yes, it prevents the crash. 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C533C433EF for ; Wed, 2 Mar 2022 12:39:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OuQiiKU7tbJzXvq2lgt1YetztwJ4Eau4ifpLFTrWg+I=; b=iNC8VNJE4l4uLh 2N1XQqd4N3ujkHTICgQ9D3edMJ33Lb7Ja9dr31cNl56shVR4zfxeUAobAopEWV06ZwnaojH7upYSc Fj2YRFcagf4qVHEi29gPHRY9WXKCuS//jmYPi3Vqb+yod1ZrLdObHC49fEriOVO8BAjcIYzTP72W+ i2Z6vA6Iv7FoWL0WurBwpW3SLLjE1kjTkkCx3oKu6+CjXtPPIhpgrLTtcw34xtpNoksRb8iOyLugd GWR6e4Keekss/ncXewRd981ZY0kCrD1dcRmMedRmZ+uFjXHtdpVYF24Dy6b4ksGEfTf3UzrdH6gYA mkX7E5IoGsHItWITAMLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPOFR-002e6O-2e; Wed, 02 Mar 2022 12:38:29 +0000 Received: from alexa-out.qualcomm.com ([129.46.98.28]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPOFN-002e4t-7a for linux-arm-kernel@lists.infradead.org; Wed, 02 Mar 2022 12:38:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1646224705; x=1677760705; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UgICb5ciFEnI1dKFbScEEs2FF9Max9eXOAfOpAvRCQw=; b=A3909B6Evicr1svhr+JXhILUoTzE3nsVMAmHTaUQR0Zb7z0eZGjKhXoo 2bFgcAd/UmFXbqdSCyWDcvMTQlP6kio2MHyASNyTvgL7vSjM7AKrEdTKJ 7gTf384xetf9Axljaczs2NoNTTWfZtzJQhRIX1R5rFOVYKK3w0Jc1U5gL w=; Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 02 Mar 2022 04:38:23 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 04:38:23 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Wed, 2 Mar 2022 04:38:02 -0800 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Wed, 2 Mar 2022 04:38:01 -0800 Date: Wed, 2 Mar 2022 07:37:59 -0500 From: Qian Cai To: "Huang, Ying" CC: , , "Peter Zijlstra (Intel)" , , Subject: Re: [tip: sched/core] sched/numa: Avoid migrating task to CPU-less node Message-ID: References: <20220214121553.582248-2-ying.huang@intel.com> <164512421264.16921.689831789198253265.tip-bot2@tip-bot2> <87v8wx1850.fsf@yhuang6-desk2.ccr.corp.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <87v8wx1850.fsf@yhuang6-desk2.ccr.corp.intel.com> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220302_043825_324333_3DABF252 X-CRM114-Status: UNSURE ( 6.80 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Mar 02, 2022 at 08:59:55AM +0800, Huang, Ying wrote: > Thanks for reporting! Can you try whether the following debug patch can fix the issue? Yes, it prevents the crash. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel