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 BAE29C433EF for ; Fri, 15 Apr 2022 17:58:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344944AbiDOSBZ (ORCPT ); Fri, 15 Apr 2022 14:01:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240532AbiDOSBX (ORCPT ); Fri, 15 Apr 2022 14:01:23 -0400 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8234::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4743DB493 for ; Fri, 15 Apr 2022 10:58:53 -0700 (PDT) Received: from [2a02:8108:963f:de38:6624:6d8d:f790:d5c]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1nfQDZ-0004Kh-JT; Fri, 15 Apr 2022 19:58:49 +0200 Message-ID: Date: Fri, 15 Apr 2022 19:58:49 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: "dma-mapping: remove CONFIG_DMA_REMAP" causes AMD SME boot fail #forregzbot Content-Language: en-US From: Thorsten Leemhuis To: regressions@lists.linux.dev Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org References: <1648659326.eabkokyuym.none.ref@localhost> <1648659326.eabkokyuym.none@localhost> <9e3c47e0-6807-081d-feb7-ed7c5fe1d1f1@leemhuis.info> In-Reply-To: <9e3c47e0-6807-081d-feb7-ed7c5fe1d1f1@leemhuis.info> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;linux@leemhuis.info;1650045533;61358a03; X-HE-SMSGID: 1nfQDZ-0004Kh-JT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org TWIMC: this mail is primarily send for documentation purposes and for regzbot, my Linux kernel regression tracking bot. These mails usually contain '#forregzbot' in the subject, to make them easy to spot and filter. #regzbot fixed-by: 4fe87e818ea492ade079cc0 On 31.03.22 08:51, Thorsten Leemhuis wrote: > [TLDR: I'm adding the regression report below to regzbot, the Linux > kernel regression tracking bot; all text you find below is compiled from > a few templates paragraphs you might have encountered already already > from similar mails.] > > Hi, this is your Linux kernel regression tracker. Sending this just to > the lists, as it's already handled. > > On 30.03.22 19:51, Alex Xu (Hello71) wrote: >> >> After a recent kernel update, booting one of my machines causes it to >> hang on a black screen. Pressing Lock keys on the USB keyboard does not >> turn on the indicators, and the machine does not appear on the Ethernet >> network. I don't have a serial port on this machine. I didn't try >> netconsole, but I suspect it won't work. >> >> Setting mem_encrypt=0 seems to resolve the issue. Reverting f5ff79fddf0e >> ("dma-mapping: remove CONFIG_DMA_REMAP") also appears to resolve the >> issue. >> >> The machine in question has an AMD Ryzen 5 1600 and ASRock B450 Pro4. > > To be sure below issue doesn't fall through the cracks unnoticed, I'm > adding it to regzbot, my Linux kernel regression tracking bot: > > #regzbot ^introduced f5ff79fddf0e > #regzbot title dma: "dma-mapping: remove CONFIG_DMA_REMAP" causes AMD > SME boot fail > #regzbot ignore-activity > > If it turns out this isn't a regression, free free to remove it from the > tracking by sending a reply to this thread containing a paragraph like > "#regzbot invalid: reason why this is invalid" (without the quotes). > > Ciao, Thorsten