From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B2C08809 for ; Mon, 24 Oct 2022 11:27:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 131A5C433C1; Mon, 24 Oct 2022 11:27:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666610869; bh=K48NBAqgWRo1mETUSlqGN+xaE/Pq/ZahWJY6fwSb5EA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=T56euOfBdEzjb+7ecAQnQL6UYh4mtgXlASkJmeiRtnBSCVX1odBlUG03sdqb0BjAh mGxZH7FIH56a9eHvffUiIa/Pl8ai+HV5TK3ebKF16V0VcqOtCTw0+1wn7DpNXovgPj UhzsVx4Xcu5lnaWnKhEu3i1eU0KFehGLs/fLErYs= Date: Mon, 24 Oct 2022 13:27:46 +0200 From: Greg KH To: Thorsten Leemhuis Cc: Andreas , "stable@vger.kernel.org" , "regressions@lists.linux.dev" , Javier Martinez Canillas , ML dri-devel , David Airlie , Daniel Vetter , Sasha Levin , Thomas Zimmermann Subject: Re: [Regression] CPU stalls and eventually causes a complete system freeze with 6.0.3 due to "video/aperture: Disable and unregister sysfb devices via aperture helpers" Message-ID: References: <668a8ffd-ffc7-e1cc-28b4-1caca1bcc3d6@suse.de> <958fd763-01b6-0167-ba6b-97cbd3bddcb6@leemhuis.info> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <958fd763-01b6-0167-ba6b-97cbd3bddcb6@leemhuis.info> On Mon, Oct 24, 2022 at 12:41:43PM +0200, Thorsten Leemhuis wrote: > Hi! Thx for the reply. > > On 24.10.22 12:26, Thomas Zimmermann wrote: > > Am 23.10.22 um 10:04 schrieb Thorsten Leemhuis: > >> > >> I noticed a regression report in bugzilla.kernel.org. As many (most?) > >> kernel developer don't keep an eye on it, I decided to forward it by > >> mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=216616  : > >> > >>>   Andreas 2022-10-22 14:25:32 UTC > >>> > >>> Created attachment 303074 [details] > >>> dmesg > > > > I've looked at the kernel log and found that simpledrm has been loaded > > *after* amdgpu, which should never happen. The problematic patch has > > been taken from a long list of refactoring work on this code. No wonder > > that it doesn't work as expected. > > > > Please cherry-pick commit 9d69ef183815 ("fbdev/core: Remove > > remove_conflicting_pci_framebuffers()") into the 6.0 stable branch and > > report on the results. It should fix the problem. > > Greg, is that enough for you to pick this up? Or do you want Andreas to > test first if it really fixes the reported problem? This should be good enough. If this does NOT fix the issue, please let me know. thanks, greg k-h 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 E15C4ECAAA1 for ; Mon, 24 Oct 2022 11:27:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5E53E10E3D0; Mon, 24 Oct 2022 11:27:54 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id DE76C10E3D0 for ; Mon, 24 Oct 2022 11:27:50 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 02885611D5; Mon, 24 Oct 2022 11:27:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 131A5C433C1; Mon, 24 Oct 2022 11:27:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666610869; bh=K48NBAqgWRo1mETUSlqGN+xaE/Pq/ZahWJY6fwSb5EA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=T56euOfBdEzjb+7ecAQnQL6UYh4mtgXlASkJmeiRtnBSCVX1odBlUG03sdqb0BjAh mGxZH7FIH56a9eHvffUiIa/Pl8ai+HV5TK3ebKF16V0VcqOtCTw0+1wn7DpNXovgPj UhzsVx4Xcu5lnaWnKhEu3i1eU0KFehGLs/fLErYs= Date: Mon, 24 Oct 2022 13:27:46 +0200 From: Greg KH To: Thorsten Leemhuis Subject: Re: [Regression] CPU stalls and eventually causes a complete system freeze with 6.0.3 due to "video/aperture: Disable and unregister sysfb devices via aperture helpers" Message-ID: References: <668a8ffd-ffc7-e1cc-28b4-1caca1bcc3d6@suse.de> <958fd763-01b6-0167-ba6b-97cbd3bddcb6@leemhuis.info> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <958fd763-01b6-0167-ba6b-97cbd3bddcb6@leemhuis.info> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , "regressions@lists.linux.dev" , Thomas Zimmermann , Andreas , Javier Martinez Canillas , ML dri-devel , "stable@vger.kernel.org" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, Oct 24, 2022 at 12:41:43PM +0200, Thorsten Leemhuis wrote: > Hi! Thx for the reply. > > On 24.10.22 12:26, Thomas Zimmermann wrote: > > Am 23.10.22 um 10:04 schrieb Thorsten Leemhuis: > >> > >> I noticed a regression report in bugzilla.kernel.org. As many (most?) > >> kernel developer don't keep an eye on it, I decided to forward it by > >> mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=216616  : > >> > >>>   Andreas 2022-10-22 14:25:32 UTC > >>> > >>> Created attachment 303074 [details] > >>> dmesg > > > > I've looked at the kernel log and found that simpledrm has been loaded > > *after* amdgpu, which should never happen. The problematic patch has > > been taken from a long list of refactoring work on this code. No wonder > > that it doesn't work as expected. > > > > Please cherry-pick commit 9d69ef183815 ("fbdev/core: Remove > > remove_conflicting_pci_framebuffers()") into the 6.0 stable branch and > > report on the results. It should fix the problem. > > Greg, is that enough for you to pick this up? Or do you want Andreas to > test first if it really fixes the reported problem? This should be good enough. If this does NOT fix the issue, please let me know. thanks, greg k-h