From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 1D2216B0038 for ; Tue, 20 Sep 2016 04:33:52 -0400 (EDT) Received: by mail-pf0-f199.google.com with SMTP id v67so23447147pfv.1 for ; Tue, 20 Sep 2016 01:33:52 -0700 (PDT) Received: from foss.arm.com (foss.arm.com. [217.140.101.70]) by mx.google.com with ESMTP id gc2si33935662pab.286.2016.09.20.01.33.51 for ; Tue, 20 Sep 2016 01:33:51 -0700 (PDT) Date: Tue, 20 Sep 2016 09:33:52 +0100 From: Will Deacon Subject: Re: [RFC] Arm64 boot fail with numa enable in BIOS Message-ID: <20160920083352.GA25614@arm.com> References: <7618d76d-bfa8-d8aa-59aa-06f9d90c1a98@huawei.com> <20160919140709.GA17464@leverpostej> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Yisheng Xie Cc: Mark Rutland , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Hanjun Guo , Xishi Qiu , linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com Hi Yisheng, On Tue, Sep 20, 2016 at 11:29:24AM +0800, Yisheng Xie wrote: > On 2016/9/19 22:07, Mark Rutland wrote: > > On Mon, Sep 19, 2016 at 09:05:26PM +0800, Yisheng Xie wrote: > > Can you modify the warning in cpumask.h to dump the bad CPU number? That > > would make it fairly clear if that's the case. > > > hi Mark, > I dump the bad CPU number, it is 64, > And the cpumask get from task is 00000000,00000000. > > [ 3.873044] select_task_rq: allowed 0, allow_cpumask 00000000,00000000 > [ 3.879727] cpumask_check: cpu 64, nr_cpumask_bits:64, nr_cpu_ids= 64 > [ 3.895989] ------------[ cut here ]------------ > [ 3.900652] WARNING: CPU: 16 PID: 103 at ./include/linux/cpumask.h:122 try_to_wake_up+0x410/0x4ac Can you look at this patch from David, please: http://lists.infradead.org/pipermail/linux-arm-kernel/2016-September/458110.html and offer a Tested-by if it fixes your problem? Thanks, Will -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org