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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 39D49C433FE for ; Fri, 29 Apr 2022 13:03:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E06A210ECC3; Fri, 29 Apr 2022 13:03:54 +0000 (UTC) Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8234::]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4639110E1C4 for ; Fri, 29 Apr 2022 11:36:33 +0000 (UTC) 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 1nkOvG-0004nQ-4S; Fri, 29 Apr 2022 13:36:30 +0200 Message-ID: <0b0025c1-107b-8dab-f30a-87b428b45e08@leemhuis.info> Date: Fri, 29 Apr 2022 13:36:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [REGRESSION] AMD GPU regression in 5.16.18..5.17.4 #forregzbot Content-Language: en-US To: "regressions@lists.linux.dev" References: From: Thorsten Leemhuis In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-bounce-key: webpack.hosteurope.de; regressions@leemhuis.info; 1651232193; 96ead357; X-HE-SMSGID: 1nkOvG-0004nQ-4S X-Mailman-Approved-At: Fri, 29 Apr 2022 13:03:53 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "amd-gfx@lists.freedesktop.org" Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" 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: 78b12008f20 On 25.04.22 23:29, Deucher, Alexander wrote: > [Public] > >> -----Original Message----- >> From: Demi Marie Obenour >> Sent: Sunday, April 24, 2022 7:39 PM >> To: Thorsten Leemhuis ; Greg KH >> >> Cc: amd-gfx@lists.freedesktop.org; regressions@lists.linux.dev; >> Deucher, Alexander ; Koenig, Christian >> ; Pan, Xinhui >> Subject: Re: [REGRESSION] AMD GPU regression in 5.16.18..5.17.4 >> >> On Sun, Apr 24, 2022 at 11:02:43AM +0200, Thorsten Leemhuis wrote: >>> CCing the amdgpu maintainers >>> >>> On 24.04.22 08:12, Greg KH wrote: >>>> On Sat, Apr 23, 2022 at 12:06:33PM -0400, Demi Marie Obenour wrote: >>>>> Two Qubes OS users reported that their AMD GPU systems did not >>>>> work on 5.17.4, while 5.16.18 worked fine. Details can be found >>>>> on https://github.com/QubesOS/qubes-issues/issues/7462. The >>>>> initial report listed the GPU as “Advanced Micro Devices, Inc. >>>>> [AMD/ATI] Renoir [1002:1636} (rev d3) (prog-if 00 [VGA >>>>> controller])” and the CPU as “AMD Ryzen 5 PRO 4650U with Radeon Graphics”. >>>>> >>>>> #regzbot introduced: v5.16.18..v5.17.4 >>>> >>>> That's a big range, can you use 'git bisect' to track it down? >>> >>> FWIW, in another mail in this thread and >>> https://github.com/QubesOS/qubes-issues/issues/7462#issuecomment- >> 11076 >>> 81126 it was clarified that the problem was introduced between >>> 5.17.3 and 5.17.4, where a few amdgpu changes were applied. Maybe >>> they are the reason. >>> >>> Anyway: Yes, as Gregkh said, a bisection really would help. But >>> maybe the amdgfx developers might already have an idea what might be >>> wrong here? The QubesOS ticket linked above has some more details. >> >> The reporter was able to bisect the regression. I am not surprised >> that this commit caused problems for Qubes OS, as dom0 in Qubes OS is >> technically a guest of Xen. >> >> #regzbot ^introduced: b818a5d374542ccec73dcfe578a081574029820e > > Can you please follow up on the bug ticket: > https://gitlab.freedesktop.org/drm/amd/-/issues/1985 > It will be easier to track everything there. > > Alex