Facing kernel panic during early boot from 12.0 ALPHA9

[Mark Johnston]

On Tue, Oct 23, 2018 at 07:10:02PM +0530, Rajesh Kumar wrote:
> Hi Mark,
> 
> > From the db> prompt, could you please run "show page" and "show pageq",
> > and post the output?
> 
> The system gets hung when it runs to db prompt. I only have the option to
> force shutdown at that point.  Is there any other way, I can collect what
> you need?

Could you instead provide output from "sysctl vm" while the system has
booted ALPHA8?

> On Tue, Oct 23, 2018 at 7:05 PM Mark Johnston <markj at freebsd.org> wrote:
> 
> > On Tue, Oct 23, 2018 at 05:43:15PM +0530, Rajesh Kumar wrote:
> > > Hi,
> > >
> > > I have a amd64 based board, where I could able to install upto FreeBSD
> > 12.0
> > > ALPHA8 without issues. But starting ALPHA9, I start to see the below
> > panic
> > > during early boot.  Looks like some sleep at unwanted place.  I am using
> > > the memstick image from dowload page.
> > >
> > > Please let me know if you need any details.
> >
> > I'm having trouble seeing what might have changed between ALPHA8 and 9
> > to cause this.  At this point we've initialized the vm_phys page
> > allocator, so we're not constrained by vm.boot_pages.
> >
> > From the db> prompt, could you please run "show page" and "show pageq",
> > and post the output?
> >