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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 94953C32751 for ; Wed, 7 Aug 2019 11:49:19 +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 6B2F121E6A for ; Wed, 7 Aug 2019 11:49:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CXo2aycw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B2F121E6A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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:MIME-Version:Message-ID:In-Reply-To: Date:References:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XEBBe1F8mmO7uw/bCpsH1pYkW12BUnDNXStWM4wh+Eg=; b=CXo2aycwV/d2SV dVnBR5rNNi7nWPiisgQ5hHj1UfldD3/Om1OQABxR+BzzzVRDFaJS7IUrt6JVvkYNUfDEGwvX/NJor Str8Lyn9MLJyxxRbX3psCKn0vzhwuGdH194PuUp9UtXEZI32WyIBNaqHOc2IaTLmT7m5nC4IOnnsh Up1jpAe/swpgMEFiX82b8yFHbGEuHA20hb9SfYYDTAzcXOFH/K72BDwDqnNUcGD88FRDGQ2UHN82E 4hUVtWkdaeWdfj+TmDKsHSwwTFzLU7Jasq/1av7iAsqPIxO5j87THW//68NaeXMAvvRTA09GSuevU Qppt99Cj2r1eGvRpKApg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hvKRS-0007L3-8s; Wed, 07 Aug 2019 11:49:18 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hvKRP-0007Kk-4U for linux-arm-kernel@lists.infradead.org; Wed, 07 Aug 2019 11:49:16 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 915D4AFE2; Wed, 7 Aug 2019 11:49:10 +0000 (UTC) From: Andreas Schwab To: Robin Murphy Subject: Re: 5.2: arm-smmu e0600000.smmu: Unexpected global fault, this could be serious References: <5036fcb8-131e-9ffe-4bfe-dc8cbae71bc4@arm.com> X-Yow: I smell like a wet reducing clinic on Columbus Day! Date: Wed, 07 Aug 2019 13:49:10 +0200 In-Reply-To: <5036fcb8-131e-9ffe-4bfe-dc8cbae71bc4@arm.com> (Robin Murphy's message of "Tue, 6 Aug 2019 13:17:12 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190807_044915_323154_C9973FE7 X-CRM114-Status: UNSURE ( 8.82 ) X-CRM114-Notice: Please train this message. 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: 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 On Aug 06 2019, Robin Murphy wrote: > The way the legacy binding is handled turns out to interact badly with the > disable_bypass option, so CONFIG_ARM_SMMU_DISABLE_BYPASS_BY_DEFAULT is > presumably now tripping you up. The immediate workaround would be to turn > that off and/or boot with "arm-smmu.disable_bypass=0" to ensure it's > overridden. I can confirm that booting with arm-smmu.disable_bypass=0 works. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different." _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel