Investigating failed suspend/resume T61

[Sean Bruno]

On Wed, 2014-05-28 at 18:43 -0400, Jung-uk Kim wrote:
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> On 2014-05-28 17:29:35 -0400, John Baldwin wrote:
> > Err, I think it enables GPE1 as otherwise ACPICA assumes GPE1 has a
> > length of zero (and is thus invalid)?
> 
> BTW, ACPI 5.0a (page 121) says:
> 
> "This is an optional field; if this register block is not supported,
> this field contains zero."
> 
> Therefore, we must assume X_GPE1_BLK it is NOT supported.
> 
> Jung-uk Kim

So, reverting John's changes and applying yours seems to do new things
while not quieting the old error messages.  Perhaps this is significant?

real memory  = 2147483648 (2048 MB)
avail memory = 2007089152 (1914 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <LENOVO TP-7U   >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s)
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Gpe1Block: 0/32
(20130823/tbfadt-601)
ACPI BIOS Warning (bug): Optional FADT field Gpe1Block has zero address
or length: 0x000000000000102C/0x0 (20130823/tbfadt-630)
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
random: <Software, Yarrow> initialized
kbd1 at kbdmux0
acpi0: <LENOVO TP-7U> on motherboard
CPU0: local APIC error 0x40
ACPI Error: GPE0 block (GPE 0 to 31) overlaps the GPE1 block (GPE 0 to
15) - Ignoring GPE1 (20130823/evgpeinit-178)
acpi_ec0: <Embedded Controller: GPE 0x12, ECDT> port 0x62,0x66 on acpi0
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 7df00000 (3) failed