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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8C9E0C4332F for ; Fri, 11 Nov 2022 17:52:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=3cWRGlxjiKWSTUuDpHQjejrT++NwigRpB82SU4aGXg8=; b=Yqqc4xTNz13L5x 29agL4Sowpsd04vQQqJPo6UQ4RpMbXvSJ+E/tYSxSdiiyUDQ1d+3PJ15vUb099iZBdA0dGg1Unuy1 r6oMwPLDvGH9th1BBDP4gPOSZo+pps50Zb2UK21cBp74okV5YYBNXWN5kA8oiCZ/trlm6k2TUgKuP kVxotBcVBaXSRPXTQXrsViXaWJ4R0KQSXcuuo6kL54di3A2es5vEgaDBrBljLgaeRswMUu+pBJaBP z5BioKDhrpgzuqbBXBo78Ee75++p0qdPImQz4huQT/Y2m0sVlg4q8s9hccXWNiLTfmiaQ5d/w90uI dGpWYWEpqmGFFwEzaC4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1otYBU-00HSVl-Q4; Fri, 11 Nov 2022 17:51:22 +0000 Received: from mail-pl1-x632.google.com ([2607:f8b0:4864:20::632]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1otY0b-00HMER-Vj for linux-arm-kernel@lists.infradead.org; Fri, 11 Nov 2022 17:40:08 +0000 Received: by mail-pl1-x632.google.com with SMTP id p12so4762248plq.4 for ; Fri, 11 Nov 2022 09:40:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=9VmHrF7f47E4VNBhDF2e+NO6WB+riPDrXDo4vmyhQh4=; b=Sy2alGhPAY4dRLL8NhVi5LMeqzPl4YZGksRyhbH6KFcOnxsoRCWeQDYO9bSUMuFp3F HtMmuBHeWFqlGu9qWwLwHuzOlKzIeL6hJykKUO8Gdnq8ekXg9CV1XZEHZ8EIeVq5xO+V 4XGRgIVAgGbUlYpIm1V9GwDwg5hI7bfMRZ/v5SeknQu6Qm1B6z1tj0vYE2w8+4rUW66m Zdqvfvy0qWjrG1dPYkIq3SZNiHMn2EXE+hGWJn1r6Wcc+JZ83GyQ7UQmRVWAjEyugQOL Q70URkjCQsikEcdg6rDp8v2G6yl5D1h49qSS6fhtp+ga8VG0VKPQ6Bg9FSnJMhbxdOJd a3AQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9VmHrF7f47E4VNBhDF2e+NO6WB+riPDrXDo4vmyhQh4=; b=V2lizHl2ON6ycXcqmL3i4uSfFljxyMjopQvd44eK5YVQls+eR3G1JW3/4C3iuP497O SQOuG/fV/3HhUtio+61qGXq81SUNxO6tWGnrgiRXylpXit0k9vVkhAaBtWPv5vfkSi9l dmzvRpcH0wOzCHGd6QCdWfYFHyNTiWU9z5Qc7TKmpLzcviYZvF9Fw5qmEgmVwu0gbQty VpacnLP3Zb1wY21eEX2v/HnjeQyCiXpUvSpVUL3i0YTt5wlv/M/I0mLKvyL6yCNNf0ga 1J3RLaA6APj/AKIrOuxvKIK/qP768KlZdb9ZrSyNK7DNgX5fyf2alTwU0LBGudqxedtd dd7g== X-Gm-Message-State: ANoB5pl9+8kqpaB3IzgEv12pZnNleRtpYmBVBdna6D1wt0dY8Aip0FXP 0cMBFBg27Bue1NHm8fBJVybN X-Google-Smtp-Source: AA0mqf6do1AF7IWotNXWBySjLNiLHDmFVUhjU3XSuSGHRBnSljWdybQk2cF5f97EzaxvgTTslpsVOQ== X-Received: by 2002:a17:90b:3d83:b0:200:7cf7:3d79 with SMTP id pq3-20020a17090b3d8300b002007cf73d79mr2872179pjb.206.1668188401136; Fri, 11 Nov 2022 09:40:01 -0800 (PST) Received: from thinkpad ([117.202.188.198]) by smtp.gmail.com with ESMTPSA id r17-20020a170903411100b00186c3727294sm1947481pld.270.2022.11.11.09.39.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Nov 2022 09:39:58 -0800 (PST) Date: Fri, 11 Nov 2022 23:09:52 +0530 From: Manivannan Sadhasivam To: Catalin Marinas Cc: Amit Pundir , Robin Murphy , Bjorn Andersson , Sibi Sankar , Will Deacon , Linus Torvalds , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov Subject: Re: [GIT PULL] arm64 updates for 6.1-rc1 Message-ID: <20221111173952.GB5393@thinkpad> References: <20221005144116.2256580-1-catalin.marinas@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221111_094006_073150_F950791E X-CRM114-Status: GOOD ( 34.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gRnJpLCBOb3YgMTEsIDIwMjIgYXQgMTE6MTU6MTFBTSArMDAwMCwgQ2F0YWxpbiBNYXJpbmFz IHdyb3RlOgo+IE9uIFR1ZSwgTm92IDA4LCAyMDIyIGF0IDEwOjU4OjE2UE0gKzA1MzAsIEFtaXQg UHVuZGlyIHdyb3RlOgo+ID4gT24gVHVlLCAyNSBPY3QgMjAyMiBhdCAxODowOCwgQW1pdCBQdW5k aXIgPGFtaXQucHVuZGlyQGxpbmFyby5vcmc+IHdyb3RlOgo+ID4gPiBPbiBXZWQsIDEyIE9jdCAy MDIyIGF0IDE3OjI0LCBDYXRhbGluIE1hcmluYXMgPGNhdGFsaW4ubWFyaW5hc0Bhcm0uY29tPiB3 cm90ZToKPiA+ID4gPiBPbiBTYXQsIE9jdCAwOCwgMjAyMiBhdCAwODoyODoyNlBNICswNTMwLCBB bWl0IFB1bmRpciB3cm90ZToKPiA+ID4gPiA+IE9uIFdlZCwgNSBPY3QgMjAyMiBhdCAyMDoxMSwg Q2F0YWxpbiBNYXJpbmFzIDxjYXRhbGluLm1hcmluYXNAYXJtLmNvbT4gd3JvdGU6Cj4gPiA+ID4g PiA+IFdpbGwgRGVhY29uICgyKToKPiA+ID4gPiA+ID4gICAgICAgYXJtNjQ6IGRtYTogRHJvcCBj YWNoZSBpbnZhbGlkYXRpb24gZnJvbSBhcmNoX2RtYV9wcmVwX2NvaGVyZW50KCkKPiA+ID4gPiA+ Cj4gPiA+ID4gPiBUaGlzIHBhdGNoIGJyb2tlIEFPU1Agb24gRHJhZ29uYm9hcmQgODQ1YyAoU0RN ODQ1KS4gSSBkb24ndCBzZWUgYW55Cj4gPiA+ID4gPiByZWxldmFudCBjcmFzaCBpbiB0aGUgYXR0 YWNoZWQgbG9nIGFuZCBkZXZpY2Ugc2lsZW50bHkgcmVib290cyBpbnRvCj4gPiA+ID4gPiBVU0Ig Y3Jhc2ggZHVtcCBtb2RlLiBUaGUgY3Jhc2ggaXMgZmFpcmx5IHJlcHJvZHVjaWJsZSBvbiBkYjg0 NWMuIEkKPiA+ID4gPiA+IGNvdWxkIHRyaWdnZXIgaXQgdHdpY2UgaW4gNSByZWJvb3RzIGFuZCBp dCBhbHdheXMgY3Jhc2ggYXQgdGhlIHNhbWUKPiA+ID4gPiA+IHBvaW50IGR1cmluZyB0aGUgYm9v dCBwcm9jZXNzLiBSZXZlcnRpbmcgdGhpcyBwYXRjaCBmaXhlcyB0aGUgY3Jhc2guCj4gPiA+ID4g Pgo+ID4gPiA+ID4gSSdtIGhhcHB5IHRvIHRlc3QgcnVuIGFueSBkZWJ1ZyBwYXRjaGUocyksIHRo YXQgd291bGQgaGVscCBuYXJyb3cKPiA+ID4gPiA+IGRvd24gdGhpcyBicmVha2FnZS4KPiBbLi4u XQo+ID4gPiBGdXJ0aGVyIG5hcnJvd2VkIGRvd24gdGhlIGJyZWFrYWdlIHRvIHRoZSB1c2Vyc3Bh Y2UgZGFlbW9uIHJtdGZzCj4gPiA+IGh0dHBzOi8vZ2l0aHViLmNvbS9hbmRlcnNzb24vcm10ZnMu IElzIHRoZXJlIGFueXRoaW5nIHNwZWNpZmljIGluIHRoZQo+ID4gPiB1c2Vyc3BhY2UgY29kZSB0 aGF0IEkgc2hvdWxkIGJlIHBheWluZyBhdHRlbnRpb24gdG8/Cj4gCj4gU2luY2UgeW91IGRvbid0 IHNlZSBhbnl0aGluZyBpbiB0aGUgbG9ncyBsaWtlIGEgY3Jhc2ggYW5kIHRoZSBzeXN0ZW0KPiBy ZXN0YXJ0cywgSSBzdXNwZWN0IGl0J3Mgc29tZSBkZWFkbG9jayBhbmQgdGhhdCdzIHRyaWdnZXJp bmcgdGhlCj4gd2F0Y2hkb2cuIFdlIGhhdmUgYW4gZXJyYXR1bSAoODI2MzE5KSBidXQgdGhhdCdz IGZvciBDb3J0ZXgtQTUzLiBJSVVDCj4gU0RNODQ1IGhhcyBLcnlvIDN4eCBzZXJpZXMgd2hpY2gg YmFzZWQgb24gc29tZSByYW5kb20gZ29vZ2xlIHNlYXJjaGVzIGlzCj4gZGVyaXZlZCBmcm9tIEE3 NS9BNTUuIFVuZm9ydHVuYXRlbHkgdGhlIE1JRFJfRUwxIHJlZ2lzdGVyIGRvZXNuJ3QgbWF0Y2gK PiB0aGUgQXJtIEx0ZCBudW1iZXJpbmcsIHNvIEkgaGF2ZSBubyBpZGVhIHdoYXQgQ1BVcyB0aGVz ZSBhcmUgYnkgbG9va2luZwo+IGF0IHRoZSBib290IGxvZy4KPiAKPiBJIHdvdWxkbid0IGJlIHN1 cnByaXNlZCBpZiB5b3UgaGl0IGEgc2ltaWxhciBidWcsIHRob3VnaCBJIGNvdWxkbid0IGZpbmQK PiBhbnl0aGluZyBjbG9zZSBpbiB0aGUgQTU1IGVycmF0YSBub3RpY2UuCj4gCj4gV2hpbGUgd2Ug Y291bGQgcmV2ZXJ0IGNvbW1pdCBjNDQwOTRlZWUzMmYgKCJhcm02NDogZG1hOiBEcm9wIGNhY2hl Cj4gaW52YWxpZGF0aW9uIGZyb20gYXJjaF9kbWFfcHJlcF9jb2hlcmVudCgpIiksIGlmIHlvdSBo aXQgYSByZWFsIGhhcmR3YXJlCj4gaXNzdWUgaXQgbWF5IHRyaWdnZXIgaW4gb3RoZXIgc2NlbmFy aW8gd2hlcmUgd2Ugb25seSBkbyBjYWNoZSBjbGVhbmluZwo+ICh3aXRob3V0IGludmFsaWRhdGUp LCBsaWtlIGFyY2hfc3luY19kbWFfZm9yX2RldmljZSgpLiBTbyBJJ2QgcmF0aGVyIGdldAo+IHRv IHRoZSBib3R0b20gb2YgdGhpcyBhbmQgcG90ZW50aWFsbHkgZW5hYmxlIHRoZSB3b3JrYXJvdW5k IGZvciB0aGlzCj4gY2hpcHNldC4KPiAKPiBZb3UgY291bGQgZ2l2ZSBpdCBhIHF1aWNrIHRyeSB0 byBieSBhZGRpbmcgdGhlIE1JRFIgcmFuZ2VzIGZvciBTRE04NDUgdG8KPiBzdHJ1Y3QgbWlkcl9y YW5nZSB3b3JrYXJvdW5kX2NsZWFuX2NhY2hlW10uCj4gCgpJIGdhdmUgaXQgYSBzaG90IGFuZCBp bmRlZWQgaXQgZml4ZXMgdGhlIGNyYXNoIG9uIERCODQ1LgoKPiBBZnRlciB0aGF0IEkgc3VnZ2Vz dCB5b3UgcmFpc2UgaXQgd2l0aCBRdWFsY29tbSB0byBpbnZlc3RpZ2F0ZS4gTm9ybWFsbHkKPiB3 ZSBhc2sgZm9yIGFuIGVycmF0dW0gbnVtYmVyIHRvIGVuYWJsZSBhIHdvcmthcm91bmQgYW5kIGl0 J3Mgb25seQo+IFF1YWxjb21tIHRoYXQgY2FuIHByb3ZpZGUgb25lIGhlcmUuCj4gCgpJIHdpbGwg Y2hlY2sgd2l0aCBRdWFsY29tbSBmb2xrcyBhbmQgdXBkYXRlLgoKVGhhbmtzLApNYW5pCgo+IC0t IAo+IENhdGFsaW4KCi0tIArgrq7grqPgrr/grrXgrqPgr43grqPgrqngr40g4K6a4K6k4K6+4K6a 4K6/4K614K6u4K+NCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1hcm0ta2VybmVsCg== 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AEABC433FE for ; Fri, 11 Nov 2022 17:40:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233778AbiKKRkE (ORCPT ); Fri, 11 Nov 2022 12:40:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231625AbiKKRkC (ORCPT ); Fri, 11 Nov 2022 12:40:02 -0500 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB82411442 for ; Fri, 11 Nov 2022 09:40:01 -0800 (PST) Received: by mail-pl1-x635.google.com with SMTP id j12so4757343plj.5 for ; Fri, 11 Nov 2022 09:40:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=9VmHrF7f47E4VNBhDF2e+NO6WB+riPDrXDo4vmyhQh4=; b=Sy2alGhPAY4dRLL8NhVi5LMeqzPl4YZGksRyhbH6KFcOnxsoRCWeQDYO9bSUMuFp3F HtMmuBHeWFqlGu9qWwLwHuzOlKzIeL6hJykKUO8Gdnq8ekXg9CV1XZEHZ8EIeVq5xO+V 4XGRgIVAgGbUlYpIm1V9GwDwg5hI7bfMRZ/v5SeknQu6Qm1B6z1tj0vYE2w8+4rUW66m Zdqvfvy0qWjrG1dPYkIq3SZNiHMn2EXE+hGWJn1r6Wcc+JZ83GyQ7UQmRVWAjEyugQOL Q70URkjCQsikEcdg6rDp8v2G6yl5D1h49qSS6fhtp+ga8VG0VKPQ6Bg9FSnJMhbxdOJd a3AQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9VmHrF7f47E4VNBhDF2e+NO6WB+riPDrXDo4vmyhQh4=; b=N9ABbM24XxEHlgCitSBqUMQXxdGPVo9jbXB67d4MoMEdQC4CpmFn0D+9c+OZrJyTAi EE6HiMT0C7b5BabALpT6q2ebi1REEvG5q8m9vQPqDywbw5lSHd5hkivUFa3QIoF4tB1e Ud1RdlzDIF5/tpROEJTIzvCw9gcykr5nD//pTuKd3Yjt3ncYrXrJCVow0DMQjaKr79lD Xe4eNUXy3CnK1TcMxiA63Q6a4igbGjKx2xs1MrPLmKlrfPq56UssWrQS1VUnHHCAy76/ Ys5B9YPSH6gKbDJ4hTLS4vYCUgBRQkg8jjfgZE/sWUUNh+rlgeVuNXA9lrf+KC1QhOkm ++zg== X-Gm-Message-State: ANoB5pk5sI+Pv06MGjzJQHuxCwIPeSeuOOt8WRzGSq9lTyA9+HaJkcrk gdwdaYp9PRQMUj3RsgL3rHwp X-Google-Smtp-Source: AA0mqf6do1AF7IWotNXWBySjLNiLHDmFVUhjU3XSuSGHRBnSljWdybQk2cF5f97EzaxvgTTslpsVOQ== X-Received: by 2002:a17:90b:3d83:b0:200:7cf7:3d79 with SMTP id pq3-20020a17090b3d8300b002007cf73d79mr2872179pjb.206.1668188401136; Fri, 11 Nov 2022 09:40:01 -0800 (PST) Received: from thinkpad ([117.202.188.198]) by smtp.gmail.com with ESMTPSA id r17-20020a170903411100b00186c3727294sm1947481pld.270.2022.11.11.09.39.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Nov 2022 09:39:58 -0800 (PST) Date: Fri, 11 Nov 2022 23:09:52 +0530 From: Manivannan Sadhasivam To: Catalin Marinas Cc: Amit Pundir , Robin Murphy , Bjorn Andersson , Sibi Sankar , Will Deacon , Linus Torvalds , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov Subject: Re: [GIT PULL] arm64 updates for 6.1-rc1 Message-ID: <20221111173952.GB5393@thinkpad> References: <20221005144116.2256580-1-catalin.marinas@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 11, 2022 at 11:15:11AM +0000, Catalin Marinas wrote: > On Tue, Nov 08, 2022 at 10:58:16PM +0530, Amit Pundir wrote: > > On Tue, 25 Oct 2022 at 18:08, Amit Pundir wrote: > > > On Wed, 12 Oct 2022 at 17:24, Catalin Marinas wrote: > > > > On Sat, Oct 08, 2022 at 08:28:26PM +0530, Amit Pundir wrote: > > > > > On Wed, 5 Oct 2022 at 20:11, Catalin Marinas wrote: > > > > > > Will Deacon (2): > > > > > > arm64: dma: Drop cache invalidation from arch_dma_prep_coherent() > > > > > > > > > > This patch broke AOSP on Dragonboard 845c (SDM845). I don't see any > > > > > relevant crash in the attached log and device silently reboots into > > > > > USB crash dump mode. The crash is fairly reproducible on db845c. I > > > > > could trigger it twice in 5 reboots and it always crash at the same > > > > > point during the boot process. Reverting this patch fixes the crash. > > > > > > > > > > I'm happy to test run any debug patche(s), that would help narrow > > > > > down this breakage. > [...] > > > Further narrowed down the breakage to the userspace daemon rmtfs > > > https://github.com/andersson/rmtfs. Is there anything specific in the > > > userspace code that I should be paying attention to? > > Since you don't see anything in the logs like a crash and the system > restarts, I suspect it's some deadlock and that's triggering the > watchdog. We have an erratum (826319) but that's for Cortex-A53. IIUC > SDM845 has Kryo 3xx series which based on some random google searches is > derived from A75/A55. Unfortunately the MIDR_EL1 register doesn't match > the Arm Ltd numbering, so I have no idea what CPUs these are by looking > at the boot log. > > I wouldn't be surprised if you hit a similar bug, though I couldn't find > anything close in the A55 errata notice. > > While we could revert commit c44094eee32f ("arm64: dma: Drop cache > invalidation from arch_dma_prep_coherent()"), if you hit a real hardware > issue it may trigger in other scenario where we only do cache cleaning > (without invalidate), like arch_sync_dma_for_device(). So I'd rather get > to the bottom of this and potentially enable the workaround for this > chipset. > > You could give it a quick try to by adding the MIDR ranges for SDM845 to > struct midr_range workaround_clean_cache[]. > I gave it a shot and indeed it fixes the crash on DB845. > After that I suggest you raise it with Qualcomm to investigate. Normally > we ask for an erratum number to enable a workaround and it's only > Qualcomm that can provide one here. > I will check with Qualcomm folks and update. Thanks, Mani > -- > Catalin -- மணிவண்ணன் சதாசிவம்