Enabling NUMA in BIOS stop booting FreeBSD

[Konstantin Belousov]

On Sat, Nov 26, 2016 at 05:57:47PM +0200, Konstantin Belousov wrote:
> On Sat, Nov 26, 2016 at 12:21:24PM +0300, Slawa Olhovchenkov wrote:
> > I am try to enable NUMA in bios and can't boot FreeBSD.
> > Boot stoped after next messages:
> > 
> > ===
> > Booting...
> > KDB: debugger backends: ddb
> > KDB: current backend: ddb
> So at least the hammer_time() has a chance to initialize the console.
> Do you have serial console ?  Set the loader tunable debug.late_console
> to 1 and see if any NMI reaction appear.
Err, sorry.  Set it to 0.

> 
> > ===
> > 
> > This is verbose boot.
> > No reaction to ~^B, NMI.
> > 
> > Same for head and 10.3-RELEASE.
> > 
> > Hardware is Supermicro X10DRi, Dual E5-2650v4, 256GB RAM.
> Is there a BIOS option for 'on-chip cluster' or 'HPC computing' ?
> What if you try to frob it ?
> 
> > 
> > On slight different hardware
> > (Supermicro X10DRi w/ old BIOS, Dual E5-2640v3, 128GB RAM)
> > 10.3 boot ok w/ BIOS NUMA enabled.
> 
> I think the only way to debug this is to add printf() lines to hammer_time()
> to see where does it break.  Note that amd64_kdb_init() call succeeded,
> so you can start bisect the code from there.
>