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 4557A3164D6 for ; Tue, 3 Feb 2026 14:38:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770129489; cv=none; b=t3FeFydMgAGczc7JuPJKoo6NbKqx4/dxCf4cUHL5irDFM6X8qyFbtTWt7YrOusG3q3MZ9BlvnN3KeOF5c5/e2KUdvOO3suFGWewOVPeKu7itsl8oqMDGQPyOgLPu1UE4LQlDUcXnjv/2k32KNKPOJFe09ukwq137GWWQLpklAHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770129489; c=relaxed/simple; bh=WReFpPHX/vOfyDdWwl+g6030jPg0rzk3MFrbuFVJL+s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Vn9Jl0o0HEQspOSMfeSif2fGIJ+sOgIPyYCQpRTNKjC74HZB6+bre+9sR+hONIecJQkvdCH+9pVHUGHRi2SozmEFY2MGRpl26tdA2g7vL286Wa256rl34HYPA9KPh3IZdOw6Z4WxH2XaKDkfdITeWXKjEighkFbU5Cx7+iUbTj4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=IQfEhumb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="IQfEhumb" 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> Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: <20260201231451.1ef0128c@hemera.lan.sysophe.eu> 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