Boot hang on ryzen based notebook

[Rozhuk Ivan]

On Sat, 30 Mar 2019 19:49:06 +0200
Darius Mihai <dariusmihaim at gmail.com> wrote:

> > > I haven't actually tried with FreeBSD, but Linux also seems to
> > > have a similar problem that can be fixed by disabling ACPI.
> > > See 11.13.2.3 in
> > > https://www.freebsd.org/doc/handbook/acpi-overview.html and tell
> > > us how it works.
> > >  
> >
> > Panic with hint.apic.0.disabled="1":
> > https://bugs.freebsd.org/bugzilla/attachment.cgi?id=203260&action=edit
> >
> > I try also hw.mca.enabled=0, but it panic on cpu_initclocks_bsp().
> > - "No usable event timer found!"  
> 
> You wrote "apic.0.disabled", not "acpi.0.disabled". Are you sure you
> wrote the correct command? You do not want to disable the APIC
> (interrupt controller), but the ACPI (control and power interface).

hint.acpi.0.disabled="1" - 11.13.1.
Then set:
panic: running without device atpic requires a local APIC