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 E081CC433F5 for ; Mon, 25 Apr 2022 07:33:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB2DE10E6E0; Mon, 25 Apr 2022 07:33:13 +0000 (UTC) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by gabe.freedesktop.org (Postfix) with ESMTPS id C8FB910F76D for ; Sun, 24 Apr 2022 23:39:26 +0000 (UTC) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 5E5D75C01A6; Sun, 24 Apr 2022 19:39:24 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Sun, 24 Apr 2022 19:39:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1650843564; x= 1650929964; bh=TnzC/xewfks6siQR2OzUMgonZrv7KZx+dVNe8LLuhCc=; b=L M8JA2SwWTGr6LGXrFQ9NYpfhYDDamqXrrClVeoNa5w4cJqDfi634PGAcQrUNdW7z 1Xv4LmgyopQcr/0FPOBZg19l2O7qL8MPYmfDGUa+GuavZ6Twzn680cM9ae1BmqmI TcJ4FyeCB5PTy3kL/zMECnLPhPIAWQTwdyEwy2qnd2g51krPQBpAWnhvZtOucGIn Cm1UHBAelbL/XqllwOnCKG1XqPkqMlilaHsmSKGWd9ffLqS6+YVHnN5NFxFMr1lE 2AepO63Bl4/djYiwobt7jPVVxmm2gfmrR5z5+1tyeTpWax/7L+jvE6mqr4x4V58x 3DhQEolRIs7VU+eNJVsmA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedruddtgddviecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpeffhffvvefukfhfgggtuggjsehgtderredttdejnecuhfhrohhmpeffvghmihcu ofgrrhhivgcuqfgsvghnohhurhcuoeguvghmihesihhnvhhishhisghlvghthhhinhhgsh hlrggsrdgtohhmqeenucggtffrrghtthgvrhhnpeeutdehhfdtvdfffeejjedvhedvjeei heffheekkeehgeelueelveeludetheetteenucffohhmrghinhepghhithhhuhgsrdgtoh hmnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepuggv mhhisehinhhvihhsihgslhgvthhhihhnghhslhgrsgdrtghomh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 24 Apr 2022 19:39:23 -0400 (EDT) Date: Sun, 24 Apr 2022 19:38:47 -0400 From: Demi Marie Obenour To: Thorsten Leemhuis , Greg KH Subject: Re: [REGRESSION] AMD GPU regression in 5.16.18..5.17.4 Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="IWeqqwZPHTdMGABi" Content-Disposition: inline In-Reply-To: X-Mailman-Approved-At: Mon, 25 Apr 2022 07:33:10 +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: Alex Deucher , "Pan, Xinhui" , regressions@lists.linux.dev, amd-gfx@lists.freedesktop.org, Christian =?utf-8?B?S8O2bmln?= Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" --IWeqqwZPHTdMGABi Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Sun, 24 Apr 2022 19:38:47 -0400 From: Demi Marie Obenour To: Thorsten Leemhuis , Greg KH Cc: amd-gfx@lists.freedesktop.org, regressions@lists.linux.dev, Alex Deucher , Christian =?utf-8?B?S8O2bmln?= , "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 >=20 > 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 repo= rt > >> listed the GPU as =E2=80=9CAdvanced Micro Devices, Inc. [AMD/ATI] Reno= ir > >> [1002:1636} (rev d3) (prog-if 00 [VGA controller])=E2=80=9D and the CP= U as > >> =E2=80=9CAMD Ryzen 5 PRO 4650U with Radeon Graphics=E2=80=9D. > >> > >> #regzbot introduced: v5.16.18..v5.17.4 > >=20 > > That's a big range, can you use 'git bisect' to track it down? >=20 > FWIW, in another mail in this thread and > https://github.com/QubesOS/qubes-issues/issues/7462#issuecomment-11076811= 26 > 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 reaso= n. >=20 > 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 --=20 Sincerely, Demi Marie Obenour (she/her/hers) Invisible Things Lab --IWeqqwZPHTdMGABi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEdodNnxM2uiJZBxxxsoi1X/+cIsEFAmJl36kACgkQsoi1X/+c IsEPKw//ZpF8oBPSG4UWxpHdK0OrWQrXuAVsZcZ6aE/zFMLaavcJo1BfUXbgEJ3Z +10tyxLR0dllcWNPREcS90TJb2lUGny2fJ1C1NLCgH0WA4hocYUCpUGHaoE5g2/n LyiXJVN0XV3Hbx7A4ZgBj5A9wnL5ybKJwGCVQu5XFBISPu7XSLhL6JQmsy97Vlxu qrbCEbTLvOPnyp5r1ONOh2GrGkfh13s2ZSjh0HDZGWKIv/Hs4if2q2egGxiWVlHW rx/e4RrBtommerw1GDUKmDP69j5GSU7QmwM5UEIGPZOsbfOlEEayc4zLE9Ha7WYW 0q4DgAHvAmUDUdBUeaiRCEMbmrDytHa6wqrzpPitW/rLkL5exA3eM4NiKS8J4oaD 5hOjgI9KkgE0y0NMCj/+QLBUkwWz7duIrdhkJyzYTUvd7gk9guPgTn2a9zbL/H7J RnOeU5iqWmYsk50TS08Rq3RURWnlRBmOlsd0V0Yoo392oAhMV/rz1TIxx+PgyUE/ YAmiUBZtnUnP8HR05ti6G9aYJaMtnydQB3YDANGp44535AkRGeB+surqT0aMiHfk cuydijqpnlBJTznvFEn8ZWTpXvgCIhdnA3XoRQbhGzezlVkUfOxaMgpwHiXmKuS7 oKI3Eis/Ljz2sgqRPdYJjSPkrTT+SdLS/IusoI/lN5oed3hescc= =zcu0 -----END PGP SIGNATURE----- --IWeqqwZPHTdMGABi--