Re: NV04, 6.18.8 crashes on NULL pointer dereference

[Greg KH <gregkh@linuxfoundation.org>]

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 <lyude@redhat.com>
> 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 <lyude@redhat.com>
>     Cc: stable@vger.kernel.org
>     Reviewed-by: Dave Airlie <airlied@redhat.com>
>     Link: https://patch.msgid.link/20260121191320.210342-1-lyude@redhat.com
>     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> 
>  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