5.15.0-113-generic and 6.5.0-41-generic kernels with NVIDIA card lost video

[Jeffrey Walton]

On Wed, Jul 3, 2024 at 9:31 AM Little Girl <littlergirl at gmail.com> wrote:
>
> Hey there,
>
> Jeffrey Walton wrote:
> >Little Girl wrote:
>
> >> 7. Update initrd for only the latest kernel, leaving the older
> >> kernel(s) untouched as fall-backs:
> >>         sudo update-initramfs -u
>
> >Thanks. The steps were not helpful (Step 7 was something I did not
> >try).
>
> Step 7 is necessary to solve the issue. If you'd rather not do that
> step, you can do steps 1 through 3 and choose the previous kernel so
> that you can boot into the system.

My bad, I meant I performed Steps 1-6, and I tried Step 7 based on
your recommendation. It did not help with the problem.

> >I think the kernel folks have things borked.
>
> I believe it's an NVIDIA issue since NVIDIA (creates and?)
> either updates or fails to update the initrd file depending on the
> circumstances.

Yeah, that's what I thought, too. That's why I tried the Intel card
with the i915 driver.

> >I tried another graphics card with no joy. The card is the onboard
> >Intel UHD Graphics 630. I verified the i915 driver is loaded. The
> >problem actually got worse. I no longer get any output -- just a
> >black screen.
>
> I'm sorry, but I have no experience with Intel graphics cards.
>
> >I ordered an AMD Radeon RX 6600 XT to test. If that does not work,
> >then I guess I will have to tread water until the kernel folks get
> >things fixed.
>
> Hopefully, either step 7 or steps 1 through 3 will get you through
> until the next hopefully-successful NVIDIA/kernel update.

I was testing it some more this morning. I still see the black
screens, and I can still SSH into the box. But I noticed: if I
CTRL+ALT+DEL then the shutdown shows a brief [colorful] Ubuntu logo
during shutdown.

Weird...

Jeff