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=-12.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PULL_REQUEST, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 09F18C43603 for ; Sat, 14 Dec 2019 16:01:26 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 733042073D for ; Sat, 14 Dec 2019 16:01:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ksBZgcSF"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="NYBnGKnB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 733042073D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=NxCigykI+kvdkv6n5RmwzBYBKMFRhInHiK4KoyUrJqA=; b=ksBZgcSFei/BzZ 1tI2FMXSrubIcaXZsOuVMeW4EFNdf9QYkWOSCD44YHni80/CQ/TiWkB9+kP5YaT9U+LLRxB91Iz41 MnnfuetmiAEwHOZKwIIgbIYFNrQ34kxYgj4l3Wlm6NU1z5N8J+n2INdUyWyZ3Hmu5jyh5DODvLyUz BxPfEcL1YXhQRQBzI4CbsGsi5ttCipCPPJMd44bsnmaYkE6otyASP0DX6++LQ/jEV5e0FAhrFoOFv jbLmifWWAHr0/C65TmUpsoFpRLBmLkD4EKk1ZZSyYdCg0ZMnaZX9X1Kj9S2rTyGV7BT0q8UUUkToL qm3OIGtU/XNj0DUDI1Nw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ig9rA-0004eg-S7; Sat, 14 Dec 2019 16:01:24 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ig9qn-0004bw-Cg; Sat, 14 Dec 2019 16:01:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: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=cVfsByPBGAH0nlXQRgx8tkvnwPRM93zqT8emFAC0MMo=; b=NYBnGKnByJHlzENS5UPOeXPvF lDm53oKLDryplzcg2wtiqsmjk3vVDVik46mpm2X542ZB8jgKcPYXLegNwiMKoe4d/3zB/HFIpweM3 W9zQNX2o0ic0jH6Xf1nD2ANFnYiJlYjPoErAzdJGnDjLlJNXwP6FaMq4iNpGOlslXBp3lY4Q1YfNZ w7c61lybarYqsCdd00nAaqbA6LMJjEqcOt3OUo2xgdSp0A6sZSEZU0regJQgOud95o2biPA9vHEu9 6z87usN65hGtdKwyFimNG1lclpP+feXTewWQLO1uyc6CFoN3NYiXmGfYCsCkUKChTdYYOtCTKUm45 Rj/NHc5jw==; Received: from shell.armlinux.org.uk ([2001:4d48:ad52:3201:5054:ff:fe00:4ec]:41234) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ig71T-0002v6-Ew; Sat, 14 Dec 2019 12:59:51 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1ig71P-0000SH-FH; Sat, 14 Dec 2019 12:59:47 +0000 Date: Sat, 14 Dec 2019 12:59:47 +0000 From: Russell King - ARM Linux admin To: "H. Nikolaus Schaller" Subject: Re: BUG - was: [GIT PULL 2/3] bcm2835-soc-next-2019-10-15 Message-ID: <20191214125947.GD1337@shell.armlinux.org.uk> References: <1571159725-5090-1-git-send-email-wahrenst@gmx.net> <1571159725-5090-2-git-send-email-wahrenst@gmx.net> <12244E4E-A1A0-4EE9-ACD3-EA165D9A2C79@goldelico.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <12244E4E-A1A0-4EE9-ACD3-EA165D9A2C79@goldelico.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191214_080101_580834_7022A48E X-CRM114-Status: GOOD ( 22.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Florian Fainelli , Tony Lindgren , Linux Kernel Mailing List , Linux-OMAP , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Discussions about the Letux Kernel , arm-soc , Stefan Wahren Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Dec 14, 2019 at 11:54:19AM +0100, H. Nikolaus Schaller wrote: > Hi Stefan, > > > Am 15.10.2019 um 19:15 schrieb Stefan Wahren : > > > > Hi Florian, > > > > The following changes since commit 54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c: > > > > Linux 5.4-rc1 (2019-09-30 10:35:40 -0700) > > > > are available in the git repository at: > > > > git://github.com/anholt/linux tags/bcm2835-soc-next-2019-10-15 > > > > for you to fetch changes up to 781fa0a954240c8487683ddf837fb2c4ede8e7ca: > > > > ARM: bcm: Add support for BCM2711 SoC (2019-10-10 19:21:03 +0200) > > this patch has finally arrived in v5.5-rc1 but it seems to break > multiplatform build. > > We run a distribution kernel that supports OMAP3/4/5, i.MX6 and RasPi 3B+ > but since rebasing to v5.5-rc1 the kernel hangs after "Starting Kernel ...". > On all ARM devices (incl. RasPi 3B+). > > Playing with our defconfig did show that deconfiguring CONFIG_ARCH_BCM2835 > makes the kernel work again. > > After further analysis it turns out that reverting this patch also > makes the boards work again. > > I am not exactly sure what the reason is, but it may have something to > do with the new auto-selection of CONFIG_ZONE_DMA which is not automatically > selected by OMAP and i.MX6. > > To reproduce on some OMAP device (i.MX6 should be similar) > > 1st test: > > git checkout v5.5-rc1 > make omap2plus_defconfig > > => boots OMAP device > > 2nd test: > > ( echo CONFIG_ARCH_BCM2835=y; echo CONFIG_ARCH_BCM=y ) >>arch/arm/configs/omap2plus_defconfig > make omap2plus_defconfig > > => fails to boot OMAP device > > 3rd test: > > git revert 781fa0a954240c8487683ddf837fb2c4ede8e7ca > make omap2plus_defconfig > > => boots OMAP device > > BTW: the RasPi 3B+ runs equally well without this patch. So what is it > good for? > > So please check and fix this patch. Enabling ZONE_DMA shouldn't cause this problem - but as it does, please enable memblock debugging and early console, and please send any boot messages you can get from the system when it fails to boot. Also having a successful boot log may be useful. Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel