Re: Enabling NUMA in BIOS stop booting FreeBSD

On Sun, Dec 11, 2016 at 09:26:56PM +0200, Konstantin Belousov wrote:

> On Sun, Dec 11, 2016 at 10:16:26PM +0300, Slawa Olhovchenkov wrote:
> > On Sun, Dec 11, 2016 at 09:21:11PM +0300, Slawa Olhovchenkov wrote:
> > 
> > > 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.
> > > > 
> > > > > ===
> > > > > 
> > > > > 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.
> > > > 
> > > 
> > > Hang in next two lines:
> > > 
> > >         msgbufinit(msgbufp, msgbufsize);
> > > 	fpuinit();
> 
> Can you show the verbose dmesg up to the failure point ?
> In particular, the SMAP lines should be relevant.

KDB: debugger backends: ddb
KDB: current backend: ddb
exit from kdb_init
KDB: enter: Boot flags requested debugger
[ thread pid 0 tid 0 ]
Stopped at      0xffffffff805361eb = kdb_enter+0x3b:    movq
$0,0xffffffff80dcef20 = kdb_why

No SMAP print, boot_verbose enabled.