Investigating failed suspend/resume T61

[John Baldwin]

On Thursday, May 29, 2014 9:16:41 am Sean Bruno wrote:
> On Wed, 2014-05-28 at 18:43 -0400, Jung-uk Kim wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > 
> > 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)

Actually, I think all these patches are changing nothing, and this actually
points out that I misread your FADT at the first.  GPE1 should actually be
ignored since it does in fact overlap.  Can you just try reverting all your
changes and seeing if suspend/resume works?

-- 
John Baldwin