Date: Wed, 28 May 2014 09:10:55 -0700 From: Sean Bruno <sbruno@ignoranthack.me> To: John Baldwin <jhb@freebsd.org> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org> Subject: Re: Investigating failed suspend/resume T61 Message-ID: <1401293455.1050.1.camel@bruno> In-Reply-To: <201405281054.53558.jhb@freebsd.org> References: <1400861698.1126.0.camel@bruno> <201405271614.30168.jhb@freebsd.org> <1401275319.2355.0.camel@bruno> <201405281054.53558.jhb@freebsd.org>
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On Wed, 2014-05-28 at 10:54 -0400, John Baldwin wrote: > On Wednesday, May 28, 2014 7:08:36 am Sean Bruno wrote: > > On Tue, 2014-05-27 at 16:14 -0400, John Baldwin wrote: > > > On Tuesday, May 27, 2014 1:39:48 pm Sean Bruno wrote: > > > > On Tue, 2014-05-27 at 11:32 -0400, John Baldwin wrote: > > > > > On Friday, May 23, 2014 12:14:58 pm Sean Bruno wrote: > > > > > > Trying to figure out the failures on suspend resume for the T61 I have. > > > > > > I see a little acpi error at host startup, but I don't think its > > > > > > related. However, I'm not sure what it means. > > > > > > > > > > > > sean > > > > > > > > > > > > ------ > > > > > > > > > > > > FreeBSD 11.0-CURRENT #1 r265820: Sat May 10 15:13:37 PDT 2014 > > > > > > sbruno@bruno:/usr/obj/usr/src/sys/BRUNO amd64 > > > > > > FreeBSD clang version 3.4 (tags/RELEASE_34/final 197956) 20140216 > > > > > > VT: running with driver "vga". > > > > > > CPU: Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz (1995.04-MHz > > > > > > K8-class CPU) > > > > > > Origin="GenuineIntel" Id=0x6fa Family=0x6 Model=0xf Stepping=10 > > > > > > > > > > > > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > > > > > > > > > > > > Features2=0xe3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM> > > > > > > AMD Features=0x20100800<SYSCALL,NX,LM> > > > > > > AMD Features2=0x1<LAHF> > > > > > > TSC: P-state invariant, performance statistics > > > > > > real memory = 2147483648 (2048 MB) > > > > > > avail memory = 2007138304 (1914 MB) > > > > > > Event timer "LAPIC" quality 400 > > > > > > ACPI APIC Table: <LENOVO TP-7L > > > > > > > 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) > > > > > > > > > > It might be related as Gpe1Block describes a register set that IIRC is used > > > > > to enter sleep states. Can you put your acpidump -t somewhere? (No need > > > > > for -d as this is in the FADT, not the DSDT.) > > > > > > > > > > > > > > > > > Here --> http://people.freebsd.org/~sbruno/T61_acpidump.txt > > > > > > Ah, so the warning is due to the fact that the 'FACP' table has 'X_GPE1_BLOCK' > > > but no 'GPE1_BLOCK'. (Note how it has both 'GPE0_BLOCK' and 'X_GPE0_BLOCK' > > > which say the same thing.) Try this workaround to quiet the warning. I've > > > no idea if it will help at all with suspend/resume. > > > > > > Index: sys/contrib/dev/acpica/components/tables/tbfadt.c > > > =================================================================== > > > --- tbfadt.c (revision 266442) > > > +++ tbfadt.c (working copy) > > > @@ -601,6 +601,10 @@ AcpiTbValidateFadt ( > > > ACPI_BIOS_WARNING ((AE_INFO, > > > "32/64X length mismatch in FADT/%s: %u/%u", > > > Name, ACPI_MUL_8 (Length), Address64->BitWidth)); > > > + if (Length == 0) > > > + { > > > + Length = ACPI_DIV_8 (Address64->BitWidth); > > > + } > > > } > > > > > > if (FadtInfoTable[i].Type & ACPI_FADT_REQUIRED) > > > > > > > > > > One warning went away, one remains, not sure if its meaningful or not. > > > > ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Gpe1Block: 0/32 > > (20130823/tbfadt-601) > > Yes, I didn't remove that warning, I just fixed it to use the 64-bit length > when the 32-bit length was zero when that warning fires. Does this seem to > have made any difference with anything on the laptop? (E.g. it might possibly > affect hotkeys, etc.) > Believe it or not, but I just suspend/resumed on the thing, TWICE. Once from the xfce menu -> suspend and once from Fn->moonsymbolsuspendsleepthing on the F4 key. Good grief. Thanks John. sean
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