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 20E65E87834 for ; Tue, 3 Feb 2026 14:38:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7F35910E30A; Tue, 3 Feb 2026 14:38:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="IQfEhumb"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 860E610E30A; Tue, 3 Feb 2026 14:38:10 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 5425260132; Tue, 3 Feb 2026 14:38:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9FF7C116D0; Tue, 3 Feb 2026 14:38:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770129489; bh=WReFpPHX/vOfyDdWwl+g6030jPg0rzk3MFrbuFVJL+s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IQfEhumb/ciC1MHWGF+rAc1S2omrVYW18Z/irQOhTrpBbTDSFmYWZnMXijVTH8fQZ NxjEGhodBbtAAEgIHNZ/gdh3tMp2qGW4ydV5WG4M9EVBs0OP6JMCjkVflmQdXaqFkz fl8DOOty7IFV7xgiqHkETccXNawdkLUtMUC+uVak= Date: Tue, 3 Feb 2026 15:38:06 +0100 From: Greg KH To: Bruno =?iso-8859-1?Q?Pr=E9mont?= Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, Lyude Paul , stable@vger.kernel.org, Dave Airlie , Maarten Lankhorst , Simona Vetter , Thomas Zimmermann , Maxime Ripard , Danilo Krummrich Subject: Re: NV04, 6.18.8 crashes on NULL pointer dereference Message-ID: <2026020353-running-unhelpful-fbd2@gregkh> References: <20260201185705.0c5364f1@hemera.lan.sysophe.eu> <20260201231451.1ef0128c@hemera.lan.sysophe.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260201231451.1ef0128c@hemera.lan.sysophe.eu> 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Sun, Feb 01, 2026 at 11:14:51PM +0100, Bruno Prémont wrote: > Bisect completed. > > The offending patch is: > commit 448a2071a843831fe5fa71545cbfa7e15ee8966d (HEAD) > Author: Lyude Paul > Date: Wed Jan 21 14:13:10 2026 -0500 > > drm/nouveau/disp: Set drm_mode_config_funcs.atomic_(check|commit) > > commit 604826acb3f53c6648a7ee99a3914ead680ab7fb upstream. > > Apparently we never actually filled these in, despite the fact that we do > in fact technically support atomic modesetting. > > Since not having these filled in causes us to potentially forget to disable > fbdev and friends during suspend/resume, let's fix it. > > Signed-off-by: Lyude Paul > Cc: stable@vger.kernel.org > Reviewed-by: Dave Airlie > Link: https://patch.msgid.link/20260121191320.210342-1-lyude@redhat.com > Signed-off-by: Greg Kroah-Hartman > > drivers/gpu/drm/nouveau/nouveau_display.c | 2 ++ > 1 file changed, 2 insertions(+) > > > It landed in 6.18.8. Seems like not all chip generations are ready for > atomic modesetting. Is this also a problem in 6.19-rc? thanks, greg k-h