Investigating failed suspend/resume T61

[Adrian Chadd]

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
>
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