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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 780A8C432C0 for ; Thu, 21 Nov 2019 13:34:00 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 46FDA20709 for ; Thu, 21 Nov 2019 13:34:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 46FDA20709 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; 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Thu, 21 Nov 2019 13:33:57 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id e-Bfq-YddjEg for ; Thu, 21 Nov 2019 13:33:56 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by fraxinus.osuosl.org (Postfix) with ESMTP id DB14C86549 for ; Thu, 21 Nov 2019 13:33:56 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E35FBDA7; Thu, 21 Nov 2019 05:33:55 -0800 (PST) Received: from [10.1.196.37] (e121345-lin.cambridge.arm.com [10.1.196.37]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 187683F703; Thu, 21 Nov 2019 05:33:53 -0800 (PST) Subject: Re: Bug 205201 - Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M To: Christian Zigotzky , Christoph Hellwig References: <20191121072943.GA24024@lst.de> <6eec5c42-019c-a988-fc2a-cb804194683d@xenosoft.de> From: Robin Murphy Message-ID: Date: Thu, 21 Nov 2019 13:33:52 +0000 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <6eec5c42-019c-a988-fc2a-cb804194683d@xenosoft.de> Content-Language: en-GB Cc: linux-arch@vger.kernel.org, darren@stevens-zone.net, rtd2@xtra.co.nz, Benjamin Herrenschmidt , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rob Herring , paulus@samba.org, mad skateman , "contact@a-eon.com" , linuxppc-dev , nsaenzjulienne@suse.de X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjEvMTEvMjAxOSAxMjoyMSBwbSwgQ2hyaXN0aWFuIFppZ290emt5IHdyb3RlOgo+IE9uIDIx IE5vdmVtYmVyIDIwMTkgYXQgMDE6MTYgcG0sIENocmlzdGlhbiBaaWdvdHpreSB3cm90ZToKPj4g T24gMjEgTm92ZW1iZXIgMjAxOSBhdCAwODoyOSBhbSwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6 Cj4+PiBPbiBTYXQsIE5vdiAxNiwgMjAxOSBhdCAwODowNjowNUFNICswMTAwLCBDaHJpc3RpYW4g Wmlnb3R6a3kgd3JvdGU6Cj4+Pj4gLyoKPj4+PiDCoCAqwqAgRE1BIGFkZHJlc3NpbmcgbW9kZS4K Pj4+PiDCoCAqCj4+Pj4gwqAgKsKgIDAgOiAzMiBiaXQgYWRkcmVzc2luZyBmb3IgYWxsIGNoaXBz Lgo+Pj4+IMKgICrCoCAxIDogNDAgYml0IGFkZHJlc3Npbmcgd2hlbiBzdXBwb3J0ZWQgYnkgY2hp cC4KPj4+PiDCoCAqwqAgMiA6IDY0IGJpdCBhZGRyZXNzaW5nIHdoZW4gc3VwcG9ydGVkIGJ5IGNo aXAsCj4+Pj4gwqAgKsKgwqDCoMKgwqAgbGltaXRlZCB0byAxNiBzZWdtZW50cyBvZiA0IEdCIC0+ IDY0IEdCIG1heC4KPj4+PiDCoCAqLwo+Pj4+ICNkZWZpbmXCoMKgIFNZTV9DT05GX0RNQV9BRERS RVNTSU5HX01PREUgCj4+Pj4gQ09ORklHX1NDU0lfU1lNNTNDOFhYX0RNQV9BRERSRVNTSU5HX01P REUKPj4+Pgo+Pj4+IEN5cnVzIGNvbmZpZzoKPj4+Pgo+Pj4+IENPTkZJR19TQ1NJX1NZTTUzQzhY WF9ETUFfQUREUkVTU0lOR19NT0RFPTEKPj4+Pgo+Pj4+IEkgd2lsbCBjb25maWd1cmUg4oCcMCA6 IDMyIGJpdCBhZGRyZXNzaW5nIGZvciBhbGwgY2hpcHPigJ0gZm9yIHRoZSBSQzguIAo+Pj4+IE1h eWJlIHRoaXMgaXMgdGhlIHNvbHV0aW9uLgo+Pj4gMCBtZWFucyB5b3UgYXJlIGdvaW5nIHRvIGRv IGJvdW5jZSBidWZmZXJpbmcgYSBsb3QsIHdoaWNoIHNlZW1zCj4+PiBnZW5lcmFsbHkgbGlrZSBh IGJhZCBpZGVhLgo+Pj4KPj4+IEJ1dCB3aHkgYXJlIHdlIHRhbGtpbmcgYWJvdXQgdGhlIHN5bTUz Yzh4eCBkcml2ZXIgbm93P8KgIFRoZSBsYXN0IGlzc3VlCj4+PiB5b3UgcmVwb3J0ZWQgd2FzIGFi b3V0IHZpZGVvNGxpbnV4IGFsbG9jYXRpb25zLgo+Pj4KPj4gQm90aCBkcml2ZXJzIGhhdmUgdGhl IHNhbWUgcHJvYmxlbS4gVGhleSBkb24ndCB3b3JrIGlmIHdlIGhhdmUgbW9yZSAKPj4gdGhhbiAz LjVHQiBSQU0uIEkgdHJ5IHRvIGZpbmQgYSBzb2x1dGlvbiB1bnRpbCB5b3UgaGF2ZSBhIGdvb2Qg Cj4+IHNvbHV0aW9uLiBJIGhhdmUgYWxyZWFkeSBhIHNvbHV0aW9uIGZvciBWNEwgYnV0IEkgc3Rp bGwgbmVlZCBvbmUgZm9yIAo+PiB0aGUgc3ltNTNjOHh4IGRyaXZlci4KPiBPSywgeW91IG1lYW4g dGhhdCAiMCIgaXMgYSBiYWQgaWRlYSBidXQgbWF5YmUgaXQgd29ya3MgdW50aWwgeW91IGhhdmUg YSAKPiBzb2x1dGlvbi4gOy0pCgpJcyB0aGlzIG9uIHRoZSBzYW1lIG1hY2hpbmUgd2l0aCB0aGUg ZnVubnkgbm9uLXBvd2VyLW9mLXR3byBidXNfZG1hX21hc2sgCmFzIHlvdXIgb3RoZXIgcmVwb3J0 PyBJZiBzbywgZG9lcyBOaWNvbGFzJyBsYXRlc3QgcGF0Y2hbMV0gaGVscCBhdCBhbGw/CgpSb2Jp bi4KClsxXSAKaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGludXgtaW9tbXUvMjAxOTExMjEwOTI2 NDYuODQ0OS0xLW5zYWVuemp1bGllbm5lQHN1c2UuZGUvVC8jdQpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlz dHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3Jn L21haWxtYW4vbGlzdGluZm8vaW9tbXU=