From owner-freebsd-current@FreeBSD.ORG  Wed Jul 28 19:32:02 2010
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Date: Wed, 28 Jul 2010 09:32:00 -1000
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From: David Cornejo <dave@dogwood.com>
To: mdf@freebsd.org
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Subject: Re: Panic booting vmware i386 after SRAT update
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On Wed, Jul 28, 2010 at 8:23 AM, <mdf@freebsd.org> wrote:

> On Wed, Jul 28, 2010 at 10:37 AM,  <mdf@freebsd.org> wrote:
> > I have a 2 cpu virtual image of FreeBSD current.  It panics during
> > boot after building in the NUMA support.
> >
> > I'll transcribe the SRAT bootverbose messages and panic message as best I
> can.
> >
> > Table 'SRAT' at 0xfef07f6
> > SRAT: Found table at 0xfef07f6
> > SRAT: Found memory domain 0 addr 0 len a0000: enabled
> > SRAT: Found memory domain 0 addr 100000 len ff00000: enabled
> >
> > then some MADT: messages about finding cpu 0 and 1
> >
> >  cpu0 (BSP): APIC ID:  0
> >  cpu1 (AP): APIC ID:  1
> > panic: SRAT: CPU with APIC ID 0 is not known
> >
> > I'm playing around now with trying to figure out what went missing,
> > but I thought I'd send this out now.
>
> Okay, apparently VMWare is providing two entries of type
> ACPI_SRAT_TYPE_MEMORY_AFFINITY but no entries of type
> ACPI_SRAT_TYPE_CPU_AFFINITY.  This leads to the assert since no CPUs
> are "enabled"; that is there's no affinity information for them.  This
> is probably a VMWare bug.
>
> Setting hint.srat.0.disabled="1" in /boot/device.hints works around the
> issue.
>
> Thanks,
> matthew
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GENERIC amd64 kernel with the hint dies earlier:

WARNING: WITNESS option enabled, expect reduced performance
panic: witness_init: pending locks list is too small, bump it

cpuid = 0
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at      kdb_enter+0x3d: movq    $0,0x6d6fb0(%rip)
db>