From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 14393136E1D; Thu, 13 Jun 2024 07:11:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718262662; cv=none; b=Mece4nW/cuhoX4NwvjFrYU8WbP8e2qvTo9w8H2woUJHmXZT69gGvNOANkvJshBWzRnRh4on6nmS7NDO5iRlKifviNc6KMm9pJO8C+jVwdu8sin63cZMSU5AGeW2yjqOxHVF0wH6c8c81LRo/O8YkfFpEhpenuvtAamauM9OA0RY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718262662; c=relaxed/simple; bh=mF6O6fpqJsqWtt0TfGDQLA5vIW9BMvsCJpaQv9m8wRc=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=DpeSYADueeTVzxV45GeAUwZg0TuKIBd/nIEaB43hE8s54N2Lbt7XerjyybxV7IHUSaNm1EEmxY6QZIp0qgw9DgzcsipAOskCpSc2ngtRW6JRFyNVbvMuVSadnVHBbtbMYy9PXCejCbNfwPXM/TPaSOxI98+QULvmav+WrUVndjE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=Ia4AMn5U; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="Ia4AMn5U" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45CKnCRL018894; Thu, 13 Jun 2024 07:10:41 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= TzckQVSXwdwfivX07di5KmgXJ9vMucG291Br1p8IWfU=; b=Ia4AMn5UO169ZRPv 4pP1ZnWYPN3ZjCsGIpTAyPz61jBKEpL36PDJh2sEkfcNbg//Her8YYwmHsZxsLti 3W7hibrtU25fgdfLAiiFVmAGf4aJpu82+hxP4Qi1Io9Qzt5fSrXUk5IZfJD2jlJI fqEgEZ52AgncyqC2mJnvX6bDXTAkHwiiiUXGwahc5AjSLhlRyxsEkL1fKg4IGc3t irYT4PdiIky0riFKCECeaFmYLhYFJppz50V/q4aH30fb/ujiOcZecWjsaJW0C9LO qE/Iv5tUMbEaw4BcIrJm1TjskkHL0JyrVHWjcFeUF+eXysS5W4C1dxCeBhPoPnV4 PYPDgQ== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3yqbfq9ugf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Jun 2024 07:10:40 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45D7AdjQ017566 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Jun 2024 07:10:39 GMT Received: from [10.231.195.67] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 13 Jun 2024 00:10:37 -0700 Message-ID: Date: Thu, 13 Jun 2024 15:10:35 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: iwlwifi: Regression after migrating to 6.6.32 To: Fabio Estevam , Johannes Berg CC: , , Jakub Kicinski , linux-wireless , linux-kernel References: <3fbb5317d9ff33ef1b60ca8297537335ce86a79d.camel@sipsolutions.net> <95163ee547da95964c16f87a38d3326ae4da3253.camel@sipsolutions.net> <7a8e220d77d7e30a0cfaf984404ef2f57eaa785f.camel@sipsolutions.net> Content-Language: en-US From: Baochen Qiang In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: FNI5ojyu0JtRNzAARz44ct0BTpeYCF6P X-Proofpoint-ORIG-GUID: FNI5ojyu0JtRNzAARz44ct0BTpeYCF6P X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-12_12,2024-06-13_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1011 spamscore=0 phishscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 mlxlogscore=732 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406130049 On 6/13/2024 3:15 AM, Fabio Estevam wrote: > Hi Johannes, > > On Wed, Jun 12, 2024 at 4:10 PM Johannes Berg wrote: > >> Strange. Is there an IOMMU involved on this platform? > > IOMMU isn't available on i.MX8M as far as I know. If IOMMU not present, likely the buffer is mapped by SWIOTLB. The iova 4215433216, aka 0xFB426800, is 2K aligned, which also supports such guessing. See definition of IO_TLB_SIZE. > > Interestingly, such a warning does not happen with the 5.10 kernel. > > I only noticed it yesterday, after migrating to 6.6.32. > > Thanks >