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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,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 18497C43441 for ; Mon, 12 Nov 2018 06:13:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C9958216FD for ; Mon, 12 Nov 2018 06:13:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="e2ciTpBs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9958216FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 S1731656AbeKLQFP (ORCPT ); Mon, 12 Nov 2018 11:05:15 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:39007 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731284AbeKLQFP (ORCPT ); Mon, 12 Nov 2018 11:05:15 -0500 Received: by mail-wr1-f68.google.com with SMTP id b13so7883872wrx.6; Sun, 11 Nov 2018 22:13:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=NBzeJlNt+4+zAhCw7vpM9sZu7A4HeMp6+OxHXTpIUu4=; b=e2ciTpBsL0miE5pVvqgsRMF5cBI1h33jvFidBwg+c6JF9jdY3c+QgnoiYijjI+7u3i WJbbFuIOwF5XZaJNlTsCLFhp2iNtQRYPRY1tg1DJ2fLao8k2x8E+052zV8WKWE1Wo20m yoJtNJ/Uz9d1OAXyxv14AtSpbb6BJKoeeGfz/L9kEsnWbd6Azm0kckNg+T9dkR3tTcTd 0+HLzCsEJ4xtG7/UixHHjwlM3JoxSIkk9lImuJOS1RTjvyZ/3ysxHl/iQhS7lcjHhTTb e/W9hYZ/tjHHxTrUELb1SCrC95VqcVBv/movr7gDIRqqiaJzuU9DtQ7OVzvb5UY/rKSj Ns1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=NBzeJlNt+4+zAhCw7vpM9sZu7A4HeMp6+OxHXTpIUu4=; b=AUQmqSuNlC4u1JascpDd7oiEVn3hXcC36Kd4r9tjmE8Tp8xOjA+orgdijJHdDwkPNt QRFhWMDPhPDBQ9FfU0q3d7OtpPftDjQazrOZMZCP2UJDhydYizi2YDDb/aT4wozpZxdt 88AfhYQHQmaAyIB6944SRqLhdKJca9k3I5EfMelA2owvvDI+x5AaJxBLVhPGwnRkHSSm NF3lcTHo7r1HHuPn+8RTgwiDrDI/jQm/w9BL7sD7leWP9QL+dppR/jJa6cIOu7NwlGt6 DD4KVSVxRh6m7tyLQJNKgx+pYlp/mgEhJwQaqfWrMfLP1nEW6vO3kWXAtSY4iJr8tdCA GYVQ== X-Gm-Message-State: AGRZ1gJuHqSHdh1v0OhqQeaFgvh3gJXkWgdGhLAOSqW58+fO2E18LeW3 hz1158jOzFoR99BWeqUSpiXq/G8e X-Google-Smtp-Source: AJdET5e7F+kunYgppJdkan6dNMvZiGQISEuj+mQxiGZRMUyOnccw0OswCQGmnqgaTeyTFtIO9o4QeQ== X-Received: by 2002:adf:a599:: with SMTP id g25-v6mr16982708wrc.188.1542003206762; Sun, 11 Nov 2018 22:13:26 -0800 (PST) Received: from Red ([2a01:cb1d:147:7200:2e56:dcff:fed2:c6d6]) by smtp.googlemail.com with ESMTPSA id 64-v6sm6741180wml.22.2018.11.11.22.13.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 11 Nov 2018 22:13:26 -0800 (PST) Date: Mon, 12 Nov 2018 07:13:24 +0100 From: Corentin Labbe To: Olof Johansson Cc: Tony Lindgren , guillaume.tucker@collabora.com, Linux Kernel Mailing List , ARM-SoC Maintainers , linux-omap , Linus Torvalds , Linux ARM Mailing List Subject: Re: [GIT PULL] ARM: SoC fixes Message-ID: <20181112061324.GA28680@Red> References: <20181107171023.zoo6qox5eewy3pmk@localhost> <20181108154926.GI56134@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Nov 10, 2018 at 10:09:19AM -0800, Olof Johansson wrote: > On Thu, Nov 8, 2018 at 7:49 AM Tony Lindgren wrote: > > > > * Olof Johansson [181107 09:28]: > > > On Wed, Nov 7, 2018 at 9:17 AM Linus Torvalds > > > wrote: > > > > > > > > On Wed, Nov 7, 2018 at 9:10 AM Olof Johansson wrote: > > > > > > > > > > ARM: SoC fixes > > > > > > > > Pulled. > > > > > > > > > I was a bit too trigger happy to enable PREEMPT on multi_v7_defconfig, > > > > > and it ended up regressing at least BeagleBone XM boards. > > > > > > > > Odd. Did it hit some "may_sleep()" test in a driver that is hidden by > > > > preempt being off? Otherwise I don't see how/why preempt should fail > > > > in a board-specific manner.. > > > > > > The board hangs early during boot and the usual way of collecting > > > early console doesn't seem to work when attempted (I haven't tried > > > personally). > > > > > > It's one of the major non-SMP platforms covered by tests. I'd be > > > surprised if it turns out to be truly _board_ specific (and rather > > > specific to OMAP3), but we don't have enough data yet. Chances are it > > > either shuffles some timing around or indeed hits a may_sleep() test > > > somewhere. > > > > > > (I just realized I might have missed to attribute Guillaume in the > > > revert patch. Sorry about that). > > > > Looks like we're missing the stdout-path for earlycon, maybe try > > with the following patch? I can't find my Beagleboard-xm right now, > > time to clean-up a bit I guess. > > > > At least omap3-evm, logicpd-torpedo and n900 all boot with PREEMPT. > > To follow up on this, it turned out to be an issue where the kernel > outgrew the location it was loaded to, and overwrite the device tree > on decompression. So, not a code issue. > > It's a known fragile aspect on some of the u-boot setups, and > something I've been hit by myself on my farm a few times. > > Still, for now we'll keep PREEMPT off until next merge window. > Hello Note that CONFIG_PREEMPT cause some errors also on sun8i-a83t-bananapi-m3 Already reported https://lkml.org/lkml/2017/12/29/139 Regards