Date: Tue, 23 Sep 2014 17:46:47 +0000 From: "Moore, Robert" <robert.moore@intel.com> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de>, "freebsd-acpi@FreeBSD.org" <freebsd-acpi@FreeBSD.org> Subject: RE: IASL complains about he same error in two different UEFI firmwares Message-ID: <94F2FBAB4432B54E8AACC7DFDE6C92E37D1FC52E@ORSMSX112.amr.corp.intel.com> In-Reply-To: <20140923151328.71e24dd0.ohartman@zedat.fu-berlin.de> References: <20140923151328.71e24dd0.ohartman@zedat.fu-berlin.de>
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We usually see this when:
1) The BIOS dynamically truncates a package at post time by adjusting the l=
ength.
2) After disassembly, there is a bunch of code "dangling" around that canno=
t be compiled.
> -----Original Message-----
> From: owner-freebsd-acpi@freebsd.org [mailto:owner-freebsd-
> acpi@freebsd.org] On Behalf Of O. Hartmann
> Sent: Tuesday, September 23, 2014 6:13 AM
> To: freebsd-acpi@FreeBSD.org
> Subject: IASL complains about he same error in two different UEFI
> firmwares
>=20
>=20
> Trying to fix an GPU issue on a laptop, I followed the steps as described
> in handbook, chapter 12.17, debugging ASL/AML code.
>=20
> I dumped on two different systems the ASL via
>=20
> acpidump -dt as described and tried to recompile the result via iasl.
>=20
>=20
> The outcome is a bit disturbing. IASL complains about the very same error=
s
> on two diffrent systems.I'll show only one here, since the code block is
> identical.
>=20
> System 1: 1
>=20
> FreeBSD 11.0-CURRENT #2 r272016: Tue Sep 23 08:20:00 CEST 2014 amd64
>=20
> VT: running with driver "vga".
> CPU: Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (3300.10-MHz K8-class CPU)
> Origin=3D"GenuineIntel" Id=3D0x306a9 Family=3D0x6 Model=3D0x3a Step=
ping=3D9
>=20
> Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,M
> CA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>=20
> Features2=3D0x3d9ae3bf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3=
,CX
> 16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,POPCNT,TSCDLT,XSAVE,OSXSAVE,AVX,F16C>
> AMD Features=3D0x28100800<SYSCALL,NX,RDTSCP,LM>
> AMD Features2=3D0x1<LAHF>
> Structured Extended Features=3D0x281<FSGSBASE,SMEP,ERMS>
> XSAVE Features=3D0x1<XSAVEOPT>
> VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
> TSC: P-state invariant, performance statistics real memory =3D
> 17179869184 (16384 MB) avail memory =3D 16286003200 (15531 MB) Event time=
r
> "LAPIC" quality 600 ACPI APIC Table: <ALASKA A M I>
>=20
>=20
>=20
> root@gate [~] iasl gate.asl
>=20
> Intel ACPI Component Architecture
> ASL Optimizing Compiler version 20130823-64 Copyright (c) 2000 - 2013
> Intel Corporation
>=20
> Compiler aborting due to parser-detected syntax error(s)
> gate.asl 12314: Package (0x06)
> Error 6126 - syntax error ^
>=20
> ASL Input: gate.asl - 12334 lines, 366705 bytes, 4399 keywords
>=20
> Compilation complete. 1 Errors, 0 Warnings, 0 Remarks, 0 Optimizations
>=20
> Code portion at line 12314:
>=20
> [...]
> Package (0x06)
> {
> 0x80000000,
> 0x80000000,
> 0x80000000,
> 0x80000000,
> 0x80000000,
> 0x80000000
> }
>=20
>=20
>=20
> System 2:
>=20
> 11.0-CURRENT #0 r272019: Tue Sep 23 09:38:59 CEST 2014 amd64
>=20
>=20
> info: [drm] Initialized drm 1.1.0 20060810
> CPU: Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz (2494.28-MHz K8-class CPU)
> Origin=3D"GenuineIntel" Id=3D0x306c3 Family=3D0x6 Model=3D0x3c Step=
ping=3D3
>=20
> Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,M
> CA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>=20
> Features2=3D0x7fdafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3=
,<b
> 11>,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE=
,
> OSXSAVE,AVX,F16C,RDRAND>
> AMD Features=3D0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
> AMD Features2=3D0x21<LAHF,ABM>
> Structured Extended
> Features=3D0x27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID>
> XSAVE Features=3D0x1<XSAVEOPT>
> VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
> TSC: P-state invariant, performance statistics real memory =3D 9636413=
440
> (9190 MB) avail memory =3D 8149209088 (7771 MB) Event timer "LAPIC" quali=
ty
> 600
> ACPI APIC Table: <LENOVO TP-J9 >
>=20
>=20
> root@hermann: [~] iasl lenovo.asl
>=20
> Intel ACPI Component Architecture
> ASL Optimizing Compiler version 20130823-64 Copyright (c) 2000 - 2013
> Intel Corporation
>=20
> Compiler aborting due to parser-detected syntax error(s)
> lenovo.asl 18919: Package (0x06)
> Error 6126 - syntax error ^
>=20
> ASL Input: lenovo.asl - 18939 lines, 634937 bytes, 7991 keywords
>=20
> Compilation complete.
>=20
> [...]
> Package (0x06)
> {
> 0x80000000,
> 0x80000000,
> 0x80000000,
> 0x80000000,
> 0x80000000,
> 0x80000000
> }
> 1 Errors, 0 Warnings, 0 Remarks, 0 Optimizations
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