FreeBSD 8.0 hangs on boot with ACPI enabled

[John Baldwin]

On Wednesday 06 January 2010 2:39:15 pm Joerg Wunsch wrote:
> As John Baldwin wrote:
> 
> > > Are you interested in the devinfo -ur output from the FreeBSD 6.2
> > > boot CD-ROM?  [...]
> 
> > Yes, I want to see what resources ACPI thinks the system resource
> > devices should be using.
> 
> OK, here we go.  I only now noticed that even FreeBSD 6.2 wasn't that
> successful as I believed initially: the ahc0 driver initialization
> aborts, so it doesn't find any disk.  It's just that it doesn't hang
> hard, so I could at least continue booting from the (ATAPI) CD-ROM to
> run the command.

Can you build a kernel with DDB and break into the debugger once it is hung 
and run 'show intrcnt'?

-- 
John Baldwin