Re: [PATCH v11 00/12] gpu: nova-core: add Turing support

[Ewan Chorynski]

On Mon Mar 9, 2026 at 10:05 PM CET, Timur Tabi wrote:
> On Mon, 2026-03-09 at 22:00 +0100, Ewan Chorynski wrote:
>> On Mon Mar 9, 2026 at 9:29 PM CET, John Hubbard wrote:
>> > On 3/9/26 1:18 PM, Timur Tabi wrote:
>> > > On Mon, 2026-03-09 at 13:04 -0700, John Hubbard wrote:
>> > > > 
>> > > > I have that exact card available, so I'll give this a quick test and see
>> > > > what's missing or wrong, now that Alex has pushed the entire Turing support
>> > > > set up to drm-rust-next.
>> > > 
>> > > The TU117 is technically a mobile chip, and its VBIOS is different.  My initial version of the
>> > > Turing patches would "ignore" the problematic VBIOS sections, so perhaps this changed.
>> > > 
>> > 
>> > No repro on the latest drm-rust-next branch:
>> 
>> I guess I may have an issue with my linux-firmware. I have no stable
>> right now so I can't download the latest one but I'll try
>> soon. On which commit on linux-firmware are you ?
>
> There's only one version of linux-firmware that works with Nova, and you didn't have it, it wouldn't
> boot at all.
>
> Although, now that I think about it, I'm assuming that on Turing, if gen_bootloader is absent,
> NovaCore will not even try to boot.  That file was added recently and is missing in most distros
> today.
>
> /lib/firmware/nvidia/tu102/gsp/gen_bootloader-570.144.bin  (or its zstd compressed version)
>
> If you have this file, then you have everything you need to boot NovaCore on Turing.

I had this file installed but I think I broke something when I updated.
I tried to redo my installation from the tarball I had and now it is
probing, so the issue was indeed on my side with my firmware.

Thanks for trying the repro and sorry for the false alarm.

Have a good day
Ewan