Re: [6.13.6 stable regression?] Nouveau reboot failure in r535_gsp_msg_recv()

[David Woodhouse]

On 7 April 2025 20:51:50 BST, Timur Tabi <ttabi at nvidia.com> wrote:
>On Mon, 2025-04-07 at 20:41 +0100, David Woodhouse wrote:
>> Yes. The proprietary driver (570.133.07) did manage to light up the
>> external monitor over USB-C/DP.
>> 
>> It was utterly unusable, as I couldn't make it do 100% scaling on the
>> external screen and 200% on the high-DPI laptop screen, and my attempts
>> to do so (just using the GNOME control panel) ended up with weird
>> effects and wrong scaling and the mouse pointer not really taking
>> effect in the place I thought it was pointing... but setting that
>> aside, yes. The display *did* light up.
>
>I don't know anything about capabilities of our driver w.r.t. scaling, but
>what happens if you try to keep everything at 100%?
>
>It's possible what you're trying to do is just not supported by GNOME,
>Wayland, Xorg, and/or our driver.  
>
>> > If the proprietary driver works just fine, then we know that it's a
>> > bug/limitation in how Nouveau talks to GSP-RM.  One of the Nouveau devs
>> > can
>> > help with that.
>> 
>> Is the first step there to try beta testing the r570 update?
>
>So here's the problem.  If the proprietary driver doesn't work, then there's
>no hope for Nouveau working.  That's because the GSP-RM firmware that
>Nouveau depends on *is* the Nvidia proprietary driver.
>
>I hate to say this, but you're going to have to work with your laptop vendor
>and/or Nvidia support to get the proprietary driver working first.

It *was* working, as long as I could tolerate it being scaled to 200% like the internal display. It *did* light up the external display just fine.