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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 B4326C433EF for ; Thu, 23 Sep 2021 18:03:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F763611B0 for ; Thu, 23 Sep 2021 18:03:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242621AbhIWSFB (ORCPT ); Thu, 23 Sep 2021 14:05:01 -0400 Received: from 49-237-179-185.static.tentacle.fi ([185.179.237.49]:54942 "EHLO bitmer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241754AbhIWSFB (ORCPT ); Thu, 23 Sep 2021 14:05:01 -0400 Received: from 88-114-184-142.elisa-laajakaista.fi ([88.114.184.142] helo=[192.168.1.42]) by bitmer.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mTT48-00012b-Mg; Thu, 23 Sep 2021 21:03:24 +0300 Subject: Re: Regression with e428e250fde6 on BeagleBoard Rev C2 To: Tony Lindgren Cc: linux-omap@vger.kernel.org, Laurent Pinchart , "H. Nikolaus Schaller" , Andreas Kemnade References: <3f6924a7-1934-b94e-2441-4781fe737f32@bitmer.com> <5de5382b-9f11-c99b-5b9b-c90ae023e10b@bitmer.com> <638e4599-ab1d-ee88-6974-17463ce42f5c@bitmer.com> From: Jarkko Nikula Message-ID: <93196bcd-836d-2432-9d1c-458904ba4f41@bitmer.com> Date: Thu, 23 Sep 2021 21:03:21 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org On 9/23/21 8:41 AM, Tony Lindgren wrote: > * Jarkko Nikula [210922 17:22]: >> Better luck with this one but looks like idling cause "undefined >> instruction" crash. Cache/memory etc corruption perhaps? Serial console >> log attached. > > Hmm. If you comment out the twl power node, does the omap3-beagle-ab4.dtb > boot normally for you? It should behave the same as current mainline then > with the omap3isp issue. > Commenting the twl_power node out or removing the twl section leads to immediately rebooting kernel: Starting kernel ... undefined instruction pc : [<80008000>] lr : [<8ff41c1d>] reloc pc : [<701c7000>] lr : [<80100c1d>] sp : 8df20998 ip : 00000020 fp : 00000001 r10: 0000071f r9 : 8df20ed0 r8 : 8df2e864 r7 : 00000000 r6 : 80008000 r5 : 8ff9f5dc r4 : 00000000 r3 : 8df20fa8 r2 : 80000100 r1 : 0000060a r0 : 00000000 Flags: nZCv IRQs off FIQs off Mode SVC_32 Resetting CPU ... >> I used the new omap3-beagle-ab4.dtb: > > OK. So for your rev c2 board, does the new omap3-beagle.dtb boot and > work for you? > Booting with that alone doesn't output anything (with the patch applied). Jarkko