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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 7AC08C433ED for ; Wed, 19 May 2021 08:24:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 539766135C for ; Wed, 19 May 2021 08:24:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237588AbhESIZX (ORCPT ); Wed, 19 May 2021 04:25:23 -0400 Received: from wout1-smtp.messagingengine.com ([64.147.123.24]:44627 "EHLO wout1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237523AbhESIZX (ORCPT ); Wed, 19 May 2021 04:25:23 -0400 Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.west.internal (Postfix) with ESMTP id EFD2B138F; Wed, 19 May 2021 04:24:02 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Wed, 19 May 2021 04:24:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=0SETtIoHoSLRFxXXnzA6YE1GPr8 GujCyHaH8e/QgHPw=; b=hY/Nq5O95Dc8JehlHpmNDbro8HW8Cb+fg86jFv+XgMq V2JQzZ4tI7os8riZbecQW4jLdqdfBx78/Bg7Q08WAeKZtuAgg/+k3bsoZZPqOOOh Y50xtDJ48RtyZq1QcsdLu0HAFbwB5ZSpzv2ErSm5ME0LhbBMoDcGMfVXOpn1+iiG Qn6gmzq+wt9ZQSyBfGkfatgzTmXKv/bnN18C0itB4S+TbKQlo+tlBoUnK90RalkK kvLQGZhk+G8iLc/tML4mn0Ro/NzaEWyG5OAHYjc09y9cM2RfITHlwncHSQRmbpIc 0IXnDPwGjwrR6qtiv5EMmkIRw2gzNA3LcWiS31lfRyA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=0SETtI oHoSLRFxXXnzA6YE1GPr8GujCyHaH8e/QgHPw=; b=KIdR8VKzjoWWBVh4UJIfKl 9IyVFOgxfSzgSJ4QNQETYmZPKXM/qudwutpM4SqqNNele+xb0VzhiRMOD3cSGVHE Indli67jnHrVaypwU4neMXk/YTUc2oft/qpW036FVuBWWUkB2epB9RXtPR/gecEb 23bY2jSBEy44n0TOUGbuWKkDzMJGngsjSAUHR8ykxb9SHVIKfccl3i8C5U81C5Fb zNjn+09B1toPtJrwalRkGql6meJnR1MpbNvbq3JL0+uJYVlZPzf2ArQOy5zB0jjc vzQdD85SvuHYC9IqiEfVvuEHCb54q5cHITqXGAF6RWdtmKkykBxVHc1hRkUR1Ywg == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdeiledgtddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdortddttddvnecuhfhrohhmpefirhgvghcu mffjuceoghhrvghgsehkrhhorghhrdgtohhmqeenucggtffrrghtthgvrhhnpeevhefgje eitdfffefhvdegleeigeejgeeiffekieffjeeflefhieegtefhudejueenucfkphepkeef rdekiedrjeegrdeigeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrih hlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 19 May 2021 04:24:00 -0400 (EDT) Date: Wed, 19 May 2021 10:23:58 +0200 From: Greg KH To: "Anatoli N.Chechelnickiy" Cc: "stable@vger.kernel.org" , "regressions@lists.linux.dev" , "baolu.lu@linux.intel.com" , "sashal@kernel.org" Subject: Re: regressions in iommu system with 5.10.37 Message-ID: References: <8893cfb2-d4e8-f3e9-e0b9-bbacf1220dca@m.interpipe.biz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8893cfb2-d4e8-f3e9-e0b9-bbacf1220dca@m.interpipe.biz> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, May 19, 2021 at 08:01:29AM +0000, Anatoli N.Chechelnickiy wrote: > Hi > > I'm sorry to report about regression in 5.10.37 > > with > > CONFIG_IOMMU_IOVA=y > CONFIG_IOMMU_API=y > CONFIG_IOMMU_SUPPORT=y > CONFIG_OF_IOMMU=y > CONFIG_INTEL_IOMMU=y > CONFIG_INTEL_IOMMU_SVM=y > CONFIG_INTEL_IOMMU_DEFAULT_ON=y > CONFIG_INTEL_IOMMU_FLOPPY_WA=y > > and iommu=on in grub.cfg > > > All my dell r340 and all lenovo servers won't boot any more. Just black > screen at once. > > > with intel_iommu=on iommu=pt DELL R240 and Lenovo SR350 cat boot > > Older Lenovo cannot boot even with "intel_iommu=on iommu=pt" only with > iommu=off in grub > > With iommu=off in grub all servers are booting well > > With 5.4.36 do not have this problem > > > tested last 4 days with 10+ different servers( Should be fixed with 5.10.38. If not, please let us know. thanks, greg k-h