Re: [BISECTED]: Black screen on 7.0-rc1

[Harald Arnesen]

Linus Torvalds [2026-02-24 17:57:45]:

> On Mon, 23 Feb 2026 at 23:59, Harald Arnesen <linux@xxxxxxxxxxx> wrote:
> > >> > In fact, I would expect it to be related to one (or both) of
> > >> >
> > >> >      f2ae92780ab9 ("firewire: ohci: split page allocation from dma mapping")
> > >> >      993ab48006b3 ("firewire: ohci: stop using page private to store
> > >> > DMA mapping address")
> > >>
> > >> Should I try reverting one or both of these?
> > >
> > > Yes. From a quick check, they revert cleanly (revert 993ab48006b3
> > > first) and the result seems to compile cleanly too.
> >
> > I can confirm that the kernel boots with these two reverted.
> > I have attached the new dmesg output.
>
> Thanks. I guess it's up to Takashi to figure out what exactly goes
> wrong, but it's good to have this confirmed. I hope you'll be willing
> to test any patches that Takashi comes up with.
>
> And if we can't figure it out, I guess reverting them is the right
> thing, but let's wait until at least rc2 is imminent before we do
> that.

In the meantime, I have blacklisted firewire-ohci (I don't really need 
firewire), and everything works as expected.
--
Hilsen Harald