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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,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 A99F7C43381 for ; Mon, 4 Mar 2019 14:01:05 +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 7695020823 for ; Mon, 4 Mar 2019 14:01:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kFmBYvhT"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="lBQKiKap" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7695020823 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch 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=m1Fr01n/c/D3pisNFlXqoGOlKc0uLn/p+xYbfWbdAx4=; b=kFmBYvhTtkwLTe 35w1y33MpkkSkUjEKTr4WK8ZSll5glVGUmbtoP26h9VgHjHs5cMErfcY0v6BHoK7wcZaanlzCLb0W XKr2LkDlYigrMg6aIGHfqLButlMP/HUXJAvIyMYcjBJOLLDaZ8uRzFmlRhMAscf8uaveTGbfXm1iT Y/CG2K3jfUudju5zj305Dn8nzWgyIwcETE6TGemV1/Fv9j6jMfgTjhGbSRwHMWAqa2y+Lyb75Wa9v cvAdddlHtKFCwGtuKtpjeVZI5UXtiJ5WbX5M15jKTzoMBRpbubVFbLgJfu5wZi25Y71NqavrsUlfN l6wPisJexBiKWcMCDjXg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0o9N-0003f6-D8; Mon, 04 Mar 2019 14:01:01 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0o97-0003Sl-MT for linux-arm-kernel@lists.infradead.org; Mon, 04 Mar 2019 14:00:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; 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=jP/d+x4Jh571V7Mm1K2KeB1k6gbx5JbRe771qC35RjA=; b=lBQKiKap/morigfjEt0CuCHzSc 9d+RVsNhR8lR/SY7jY6uXaKaJpxR5LZBCYUXAbQf/6aapPx4TEffrp1wsp0dYWOFEqpubB965vfyA gCC0dJg3Lu5k2wFtjoDN8sdvteLvey2koBIq6WLUWR3yHdjbkUkdMlA0PxQgFmCYuKq8=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1h0o94-000418-4q; Mon, 04 Mar 2019 15:00:42 +0100 Date: Mon, 4 Mar 2019 15:00:42 +0100 From: Andrew Lunn To: Embedded Engineer Subject: Re: Unstable Kernel behavior on an ARM based board Message-ID: <20190304140042.GE26378@lunn.ch> References: <20190302110112.GA13405@1wt.eu> <20190302113651.zerdonykcvv5ex3e@shell.armlinux.org.uk> <20190302115729.zbowssfwf4j7jf22@shell.armlinux.org.uk> <20190302123907.qoe46qs6qmx7qnjs@shell.armlinux.org.uk> <453072a9-52e2-7591-750f-624ca27e0bbf@gmx.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190304_060046_267793_477FEE2B X-CRM114-Status: UNSURE ( 6.26 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org 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 > Do you suggest board redesign is only option left? Have you checked your cache configuration when you jump into the kernel? If i remember correctly, you need all caches turned off. I've had problems with an ARM v5 system which got this wrong, left the caches turned on, and so the kernel corrupted itself during startup. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel