Investigating failed suspend/resume T61

[Sean Bruno]

On Wed, 2014-06-04 at 09:35 -0700, Adrian Chadd wrote:
> Which devices?
> 
> 
> -a
> 
> On 4 June 2014 09:07, Sean Bruno <sbruno at ignoranthack.me> wrote:
> > On Thu, 2014-05-29 at 09:30 -0400, John Baldwin wrote:
> >> 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?
> >>
> >
> >
> > Boy oh boy ... talk about a waste of time.
> >
> > trasz@ and I have the same laptop and I just confirmed with him that the
> > patch does nothing useful (as both of you suggested).  The *ACTUAL*
> > problem seems to be related to disabling devices in the Thinkpad BIOS.
> >
> > Disabling devices seems to cause the resume to not work correctly, but
> > whatever.  So none of these patches are actually needed.
> >
> > sean
> >

It looks like the on board modem is a bit touchy.

sean

hdacc1: <Conexant (0x2bfa) HDA CODEC> at cad 1 on hdac0
unknown: <Conexant (0x2bfa) HDA CODEC Modem Function Group> at nid 2 on
hdacc1 (no driver attached)