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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_MUTT 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 EEA1DC433F5 for ; Wed, 5 Sep 2018 08:42:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1AC22077C for ; Wed, 5 Sep 2018 08:42:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="nuiWeZ5b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1AC22077C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728003AbeIENLx (ORCPT ); Wed, 5 Sep 2018 09:11:53 -0400 Received: from merlin.infradead.org ([205.233.59.134]:58320 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726401AbeIENLx (ORCPT ); Wed, 5 Sep 2018 09:11:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=RZCPPZOG8Tu/iUvLbuiol+k/5ywiIvn77e7rVkj2gvQ=; b=nuiWeZ5btwOeNG5cYQ8s+qes0 2w4bcdZeDU+sP1g/9PwmrlB/Go3JPpyuDIeyNw7wu0XKUUCF3P1jXmpHEzRm4lZkQHg5sYA+P4GBo pV+x+VmPpb3lAOfzoXTrQN+vktdE6tendsbaM7K5x7iTUwwGDQ7vWnItODbbsjtj/7D9fjlNn4VTK 8O9e5jXXOulG2SB6tvui9+ldpBx695jeVb9mcWu4TmLexXv7oi0mY1KzygQefRESY29ev6QwG1V+A AUpUK0DVD/zEmTdjXQYwpdjeZzVWY69I8Az00H5JLXP4Ta+emddlYlsf1g57aCbg/ppyJAcAlHFS8 79qxHJAiQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fxTOc-00040C-UQ; Wed, 05 Sep 2018 08:42:43 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A420A20191BFF; Wed, 5 Sep 2018 10:42:41 +0200 (CEST) Date: Wed, 5 Sep 2018 10:42:41 +0200 From: Peter Zijlstra To: Niklas Cassel Cc: linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org Subject: Re: stop_machine() soft lockup Message-ID: <20180905084241.GS24082@hirez.programming.kicks-ass.net> References: <20180904190322.GA21835@centauri.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180904190322.GA21835@centauri.lan> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 04, 2018 at 09:03:22PM +0200, Niklas Cassel wrote: > Hello Peter, > > I'm seeing some lockups when booting linux-next on a db820c arm64 board. > I've tried to analyze, but I'm currently stuck. Please see (should be in your Inbox too): https://lkml.kernel.org/r/20180905084158.GR24124@hirez.programming.kicks-ass.net