Enabling NUMA in BIOS stop booting FreeBSD

[Slawa Olhovchenkov]

On Tue, Dec 13, 2016 at 01:05:35PM +0200, Konstantin Belousov wrote:

> On Tue, Dec 13, 2016 at 02:37:14AM +0300, Slawa Olhovchenkov wrote:
> > On Mon, Dec 12, 2016 at 04:20:33PM -0600, A. Wilcox wrote:
> > 
> > > >>>> Try the debugging patch below, which unconditionally disables import of
> > > >>>> previous buffer.  To test, you would need to boot, then frob options in
> > > >>>> BIOS, reboot, again frob etc.
> > > >>>
> > > >>> still need test patch? if yes, with BIOS options?
> > > >> Yes, please test the patch.  I explained the procedure above.
> > > > 
> > > > sorry, i don't know 'frob'.
> > > > what exactly options combination I need test and what about memory test?
> > > > 
> > > 
> > > 
> > > The idea is that when rebooting, stale memory contents remain, but are
> > > corrupted due to interleave.
> > > 
> > > "Frob" basically means "mess with".  So apply patch, test kernel,
> > > reboot, change NUMA option, reboot again, see if it works, and so on.
> > > Basically repeat your test with the NUMA=on interleave=on, NUMA=off
> > > interleave=on, etc etc.
> > 
> > NUMA=on interleave=off booted
> > NUMA=on interleave=on hang
> > 
> > I think different combination whatever?
> 
> Do you mean, that both patched kernel, and unpatched kernel with the
> memory test enabled, hang when NUMA and interleave options enabled ?

Unpatched kernel boot with the memory test enabled when NUMA and
interleave options enabled -- I am already reported this.

patched kernel  with the memory test enabled boot too.

i.e. memory test enabled allow boot in any situation.

> Could you enable the options, power down the machine for 10-20 minutes,
> and try to boot ?

For with kernel and bios options and boot options?
I am have two day befor server put in production for any expirements,
but please, be more clear in what combination need to test.