On Nov 20 18:03:36, [email protected] wrote:
> > Date: Fri, 18 Nov 2022 17:15:30 +0100
> > From: Mark Kettenis <[email protected]>
> >
> > > Date: Fri, 18 Nov 2022 14:36:18 +0100
> > > From: Jan Stary <[email protected]>
> > >
> > > On Nov 18 12:51:32, [email protected] wrote:
> > > > > Date: Fri, 18 Nov 2022 12:19:46 +0100
> > > > > From: Jan Stary <[email protected]>
> > > > >
> > > > > On Nov 17 14:44:59, [email protected] wrote:
> > > > > > This is a freshly installed current/arm64 on a MAcBook Air,
> > > > > > model 2337 (M1, 2020); full dmesg below.
> > > > >
> > > > > Upgrading the co-existing macOS to 12.6.1
> > > > > seems to have brken the working bsd installation.
> > > > > The booting bsd kernel gets to
> > > > >
> > > > > [...]
> > > > > exuart0 at simplebus0
> > > > > exuart1 at simplebus0
> > > > > aplspmi0 at simplebus0
> > > > > aplpmu0 at aplspmi0 sid 0xf
> > > > > aplsmc0 at simplebus0
> > > > >
> > > > > and moves no further. Same with booting bsd.rd,
> > > > > same with booting the latest one from snapshots (off a USB stick).
> > > > >
> > > > > Can the macOS upgrade be related? Is this known?
> > > > > The macOS upgrade also switched the default boot to macOS
> > > > > (while after the bsd install, the avahi boot went to bsd by default).
> > > >
> > > > Possible. In principle the OpenBSD install comes with its own set of
> > > > Apple firmwares. But the SMC firmware (like the NVMe firmware) is
> > > > stored in some sort of ROM and therefore "global". The macOS upgrade
> > > > might have updated the SMC in a way that is incompatible with the
> > > > aplsmc(4) driver.
> > >
> > > Thanks for the insight.
> > > Is there something I can do to debug it?
> > > Also, the line that normally follows is
> > >
> > > aplsart0 at simplebus0
> > >
> > > and some time ago there was a warning at this list
> > > not to upgrade to macOS 13 specifically related to aplsart
> > > - could it be that's in fact what's broken now (as opposed to SMC)?
> > >
> > > Jan
>
> I managed to reproduce the issue on a 13" M1 MacBook Pro and...
>
> > Here is a diff that changes the rtkit code to not spin forever. That
> > might get you going again. You'll need to boot a kernel with this
> > diff from a USB stick or something like that.
>
> ...while that diff made the machine boot, it doesn't make it usable.
> But after some serious head-scratching I came up with the following
> diff that does.
>
> This will probably land in -current pretty quickly.
The latest arm64 snapshot has a bsd.rd that boots fine
and upgrades the MacBook Air to a current/arm64 that works again.
This is after an upgrade to macOS 13.
Thank you!
Jan
