Re: AMD laptops defaulting to S3 instead of S0ix (was amd_sfh)

[Huang Rui <ray.huang@amd.com>]

+ Prike

On Mon, Aug 02, 2021 at 01:43:01PM +0200, Hans de Goede wrote:
> Hi,
> 
> On 8/2/21 11:34 AM, Basavaraj Natikar wrote:
> > On 8/1/2021 5:15 PM, Shah, Nehal-bakulchandra wrote:
> >> [AMD Official Use Only]
> >>
> >> Adding few more folks
> >>
> >> -----Original Message-----
> >> From: Hans de Goede <hdegoede@redhat.com> 
> >> Sent: Sunday, August 1, 2021 3:17 PM
> >> To: Stephen MacNeil <macneisj@gmail.com>; Limonciello, Mario <Mario.Limonciello@amd.com>; Rafael J . Wysocki <rjw@rjwysocki.net>
> >> Cc: Linux PM <linux-pm@vger.kernel.org>; linux-acpi <linux-acpi@vger.kernel.org>
> >> Subject: AMD laptops defaulting to S3 instead of S0ix (was amd_sfh)
> >>
> >> Hi Rafael, Mario,
> >>
> >> Stephen is having an issue with a recent AMD laptop (a Lenovo Ideapad model) where Linux defaults to using S3/deep suspend instead of S0ix/s2idle.
> > 
> > Hi Hans, Et al.
> > 
> > Looks like the Lenovo platform Stephen MacNeil is using does not support the S2Idle as the FADT flags as not set (looking at the output of the script).
> 
> I believe it does, if it would not support s2idle at all, then this would not be offered as an option in the
> "cat /sys/power/mem_sleep" output.
> 
> Part of the problem seems to be that the system supports s2idle, but does not use it by default
> 
> > If sensors are not working after ACPI S3 resume, I am suspecting that it could be because the PM support is missing in the amd-sfh driver
> > (which is already WIP from my side).
> 
> Right, making sure the SFH code also works with S3 suspend is good regardless, but AFAIK most modern
> systems should use S01x / s2idle suspend by default.
> 
> Regards,
> 
> Hans
> 
> 
> 
> >> This is causing the sensors provided by the AMD Sensor Fusion Hub to stop working after a suspend/resume. Adding mem_sleep_default=s2idle to the kernel commandline fixes this.
> >>
> >> Do you have any idea what might be causing this ?
> >>
> >> Regards,
> >>
> >> Hans
> >>
> >>
> >>
> >> On 7/31/21 2:31 PM, Stephen MacNeil wrote:
> >>> I wrote Basavaraj Natikar the new maintainer of amd_sfh for the kernel, after sending the information he wanted his reply was...
> >>>
> >>>>> Thanks Stephen MacNeil,
> >>> On our hardware we do not see any amd_sfh issue with 5.14.0-rc2 kernel.
> >>>  
> >>> Could you please check with Lenovo, as we are not observing amd_sfh issue on our reference platforms too.
> >>>
> >>> Thanks,
> >>> Basavaraj
> >>> <<
> >>> looking at the information I sent him  i looks like the issue is (to 
> >>> me anyway)
> >>>
> >>> cat /sys/power/mem_sleep
> >>> [s2idle] deep
> >>>
> >>> without
> >>> cat /sys/power/mem_sleep
> >>> s2idle [deep]
> >>>
> >>>
> >>> this is the info he requested... any idea who else I can contact.
> >>> this is the output with and without the kernel param
> >>>
> >>>  
> >>>
> >>> Thanks a lot Stephen MacNeil  for the information.
> >>>
> >>>  
> >>>
> >>> Could you please provide me below information:-
> >>>
> >>> ·  what version of kernel is running.
> >>>
> >>> uname -a
> >>> Linux ideapad 5.14.0-051400rc2-generic #202107182230 SMP Sun Jul 18 
> >>> 22:34:12 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
> >>>
> >>>
> >>> ·  Are you using latest patches from amd-sfh
> >>>
> >>> only the kernel
> >>>
> >>> ·  Could you please provide me output of /sys/power/mem_sleep
> >>>
> >>> with kernel option mem_sleep_default=s2idle
> >>>
> >>> cat /sys/power/mem_sleep
> >>> [s2idle] deep
> >>>
> >>> without
> >>> cat /sys/power/mem_sleep
> >>> s2idle [deep]
> >>>
> >>> ·  Could you please provide output of below script after installing 
> >>> "apt install iasl*". acpica-tools
> >>>
> >>> with kernel option mem_sleep_default=s2idle
> >>>
> >>> Intel ACPI Component Architecture
> >>> ASL+ Optimizing Compiler/Disassembler version 20190509
> >>> Copyright (c) 2000 - 2019 Intel Corporation
> >>>
> >>> File appears to be binary: found 265 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file apic.dat, Length 0x138 (312) bytes
> >>> ACPI: APIC 0x0000000000000000 000138 (v02 LENOVO CB-01    00000000 
> >>> LENO 00000001) Acpi Data Table [APIC] decoded Formatted output:  
> >>> apic.dsl - 16071 bytes File appears to be binary: found 40 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file batb.dat, Length 0x4A (74) bytes
> >>> ACPI: BATB 0x0000000000000000 00004A (v02 LENOVO CB-01    00000000 
> >>> LENO 00000001) Unknown ACPI table signature [BATB], decoding ACPI 
> >>> table header only Acpi Data Table [BATB] decoded Formatted output:  
> >>> batb.dsl - 1274 bytes File appears to be binary: found 31 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file bgrt.dat, Length 0x38 (56) bytes
> >>> ACPI: BGRT 0x0000000000000000 000038 (v01 LENOVO CB-01    00000002 
> >>> LENO 00000001) Acpi Data Table [BGRT] decoded Formatted output:  
> >>> bgrt.dsl - 1606 bytes File appears to be binary: found 16 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file cdit.dat, Length 0x29 (41) bytes
> >>> ACPI: CDIT 0x0000000000000000 000029 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Unknown ACPI table signature [CDIT], decoding ACPI 
> >>> table header only Acpi Data Table [CDIT] decoded Formatted output:  
> >>> cdit.dsl - 1115 bytes File appears to be binary: found 2765 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file crat.dat, Length 0xB80 (2944) bytes
> >>> ACPI: CRAT 0x0000000000000000 000B80 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Unknown ACPI table signature [CRAT], decoding ACPI 
> >>> table header only Acpi Data Table [CRAT] decoded Formatted output:  
> >>> crat.dsl - 15424 bytes File appears to be binary: found 15189 
> >>> non-ASCII characters, disassembling Binary file appears to be a valid 
> >>> ACPI table, disassembling Input file dsdt.dat, Length 0xAE9B (44699) 
> >>> bytes
> >>> ACPI: DSDT 0x0000000000000000 00AE9B (v01 LENOVO AMD      00001000 
> >>> INTL 20180313) Pass 1 parse of [DSDT] Pass 2 parse of [DSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    dsdt.dsl - 384071 bytes File appears to be binary: 
> >>> found 229 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file facp.dat, Length 0x10C 
> >>> (268) bytes
> >>> ACPI: FACP 0x0000000000000000 00010C (v05 LENOVO CB-01    00000003 
> >>> LENO 00000001) Acpi Data Table [FACP] decoded Formatted output:  
> >>> facp.dsl - 10098 bytes File appears to be binary: found 59 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file facs.dat, Length 0x40 (64) bytes
> >>> ACPI: FACS 0x0000000000000000 000040
> >>> Acpi Data Table [FACS] decoded
> >>> Formatted output:  facs.dsl - 1368 bytes File appears to be binary: 
> >>> found 28 non-ASCII characters, disassembling Binary file appears to be 
> >>> a valid ACPI table, disassembling Input file fpdt.dat, Length 0x34 
> >>> (52) bytes
> >>> ACPI: FPDT 0x0000000000000000 000034 (v01 LENOVO CB-01    00000002 
> >>> LENO 00000001) Acpi Data Table [FPDT] decoded Formatted output:  
> >>> fpdt.dsl - 1452 bytes File appears to be binary: found 30 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file hpet.dat, Length 0x38 (56) bytes
> >>> ACPI: HPET 0x0000000000000000 000038 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [HPET] decoded Formatted output:  
> >>> hpet.dsl - 1865 bytes File appears to be binary: found 279 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file ivrs.dat, Length 0x1A4 (420) bytes
> >>> ACPI: IVRS 0x0000000000000000 0001A4 (v02 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [IVRS] decoded Formatted output:  
> >>> ivrs.dsl - 6001 bytes File appears to be binary: found 36 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file mcfg.dat, Length 0x3C (60) bytes
> >>> ACPI: MCFG 0x0000000000000000 00003C (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [MCFG] decoded Formatted output:  
> >>> mcfg.dsl - 1526 bytes File appears to be binary: found 32 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file msdm.dat, Length 0x55 (85) bytes
> >>> ACPI: MSDM 0x0000000000000000 000055 (v03 LENOVO CB-01    00000000 
> >>> LENO 00000001) Acpi Data Table [MSDM] decoded Formatted output:  
> >>> msdm.dsl - 1557 bytes File appears to be binary: found 25 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file sbst.dat, Length 0x30 (48) bytes
> >>> ACPI: SBST 0x0000000000000000 000030 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [SBST] decoded Formatted output:  
> >>> sbst.dsl - 1282 bytes File appears to be binary: found 410 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file ssdt10.dat, Length 0x47F (1151) bytes
> >>> ACPI: SSDT 0x0000000000000000 00047F (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt10.dsl - 5673 bytes File appears to be binary: 
> >>> found 708 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt11.dat, Length 
> >>> 0xC1D (3101) bytes
> >>> ACPI: SSDT 0x0000000000000000 000C1D (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt11.dsl - 15424 bytes File appears to be binary: 
> >>> found 848 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt12.dat, Length 
> >>> 0x9AD (2477) bytes
> >>> ACPI: SSDT 0x0000000000000000 0009AD (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt12.dsl - 12474 bytes File appears to be binary: 
> >>> found 9207 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt1.dat, Length 
> >>> 0x7216 (29206) bytes
> >>> ACPI: SSDT 0x0000000000000000 007216 (v02 LENOVO AmdTable 00000002 
> >>> MSFT 04000000) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt1.dsl - 208699 bytes File appears to be binary: 
> >>> found 3968 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt2.dat, Length 
> >>> 0x1500 (5376) bytes
> >>> ACPI: SSDT 0x0000000000000000 001500 (v01 LENOVO AmdTable 00000001 AMD  
> >>> 00000001) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt2.dsl - 59265 bytes File appears to be binary: 
> >>> found 449 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt3.dat, Length 
> >>> 0x53A (1338) bytes
> >>> ACPI: SSDT 0x0000000000000000 00053A (v01 LENOVO Tpm2Tabl 00009999 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt3.dsl - 10738 bytes File appears to be binary: 
> >>> found 474 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt4.dat, Length 
> >>> 0x64C (1612) bytes
> >>> ACPI: SSDT 0x0000000000000000 00064C (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt4.dsl - 8258 bytes
> >>> File appears to be binary: found 400 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file ssdt5.dat, Length 0x480 (1152) bytes
> >>> ACPI: SSDT 0x0000000000000000 000480 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt5.dsl - 5582 bytes
> >>> File appears to be binary: found 1140 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file ssdt6.dat, Length 0x1497 (5271) bytes
> >>> ACPI: SSDT 0x0000000000000000 001497 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt6.dsl - 20293 bytes File appears to be binary: 
> >>> found 1314 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt7.dat, Length 
> >>> 0x1576 (5494) bytes
> >>> ACPI: SSDT 0x0000000000000000 001576 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt7.dsl - 30076 bytes File appears to be binary: 
> >>> found 4095 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt8.dat, Length 
> >>> 0x353C (13628) bytes
> >>> ACPI: SSDT 0x0000000000000000 00353C (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt8.dsl - 78242 bytes File appears to be binary: 
> >>> found 74 non-ASCII characters, disassembling Binary file appears to be 
> >>> a valid ACPI table, disassembling Input file ssdt9.dat, Length 0x90 
> >>> (144) bytes
> >>> ACPI: SSDT 0x0000000000000000 000090 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt9.dsl - 1767 bytes
> >>> File appears to be binary: found 32 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file tpm2.dat, Length 0x38 (56) bytes
> >>> ACPI: TPM2 0x0000000000000000 000038 (v04 LENOVO CB-01    00000002 
> >>> LENO 00000001) Acpi Data Table [TPM2] decoded Formatted output:  
> >>> tpm2.dsl - 1515 bytes File appears to be binary: found 189 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file uefi.dat, Length 0x12A (298) bytes
> >>> ACPI: UEFI 0x0000000000000000 00012A (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [UEFI] decoded Formatted output:  
> >>> uefi.dsl - 2505 bytes File appears to be binary: found 37100 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file vfct.dat, Length 0xD484 (54404) bytes
> >>> ACPI: VFCT 0x0000000000000000 00D484 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Unknown ACPI table signature [VFCT], decoding ACPI 
> >>> table header only Acpi Data Table [VFCT] decoded Formatted output:  
> >>> vfct.dsl - 269557 bytes File appears to be binary: found 17 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file wsmt.dat, Length 0x28 (40) bytes
> >>> ACPI: WSMT 0x0000000000000000 000028 (v01 LENOVO CB-01    00000000 
> >>> LENO 00000001) Acpi Data Table [WSMT] decoded Formatted output:  
> >>> wsmt.dsl - 1313 bytes Low Power S0 Idle is 0 The system does not 
> >>> support S0ix!
> >>>
> >>>
> >>> without
> >>>
> >>> Intel ACPI Component Architecture
> >>> ASL+ Optimizing Compiler/Disassembler version 20190509
> >>> Copyright (c) 2000 - 2019 Intel Corporation
> >>>
> >>> File appears to be binary: found 265 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file apic.dat, Length 0x138 (312) bytes
> >>> ACPI: APIC 0x0000000000000000 000138 (v02 LENOVO CB-01    00000000 
> >>> LENO 00000001) Acpi Data Table [APIC] decoded Formatted output:  
> >>> apic.dsl - 16071 bytes File appears to be binary: found 40 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file batb.dat, Length 0x4A (74) bytes
> >>> ACPI: BATB 0x0000000000000000 00004A (v02 LENOVO CB-01    00000000 
> >>> LENO 00000001) Unknown ACPI table signature [BATB], decoding ACPI 
> >>> table header only Acpi Data Table [BATB] decoded Formatted output:  
> >>> batb.dsl - 1274 bytes File appears to be binary: found 31 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file bgrt.dat, Length 0x38 (56) bytes
> >>> ACPI: BGRT 0x0000000000000000 000038 (v01 LENOVO CB-01    00000002 
> >>> LENO 00000001) Acpi Data Table [BGRT] decoded Formatted output:  
> >>> bgrt.dsl - 1606 bytes File appears to be binary: found 16 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file cdit.dat, Length 0x29 (41) bytes
> >>> ACPI: CDIT 0x0000000000000000 000029 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Unknown ACPI table signature [CDIT], decoding ACPI 
> >>> table header only Acpi Data Table [CDIT] decoded Formatted output:  
> >>> cdit.dsl - 1115 bytes File appears to be binary: found 2765 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file crat.dat, Length 0xB80 (2944) bytes
> >>> ACPI: CRAT 0x0000000000000000 000B80 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Unknown ACPI table signature [CRAT], decoding ACPI 
> >>> table header only Acpi Data Table [CRAT] decoded Formatted output:  
> >>> crat.dsl - 15424 bytes File appears to be binary: found 15189 
> >>> non-ASCII characters, disassembling Binary file appears to be a valid 
> >>> ACPI table, disassembling Input file dsdt.dat, Length 0xAE9B (44699) 
> >>> bytes
> >>> ACPI: DSDT 0x0000000000000000 00AE9B (v01 LENOVO AMD      00001000 
> >>> INTL 20180313) Pass 1 parse of [DSDT] Pass 2 parse of [DSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    dsdt.dsl - 384071 bytes File appears to be binary: 
> >>> found 229 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file facp.dat, Length 0x10C 
> >>> (268) bytes
> >>> ACPI: FACP 0x0000000000000000 00010C (v05 LENOVO CB-01    00000003 
> >>> LENO 00000001) Acpi Data Table [FACP] decoded Formatted output:  
> >>> facp.dsl - 10098 bytes File appears to be binary: found 59 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file facs.dat, Length 0x40 (64) bytes
> >>> ACPI: FACS 0x0000000000000000 000040
> >>> Acpi Data Table [FACS] decoded
> >>> Formatted output:  facs.dsl - 1368 bytes File appears to be binary: 
> >>> found 28 non-ASCII characters, disassembling Binary file appears to be 
> >>> a valid ACPI table, disassembling Input file fpdt.dat, Length 0x34 
> >>> (52) bytes
> >>> ACPI: FPDT 0x0000000000000000 000034 (v01 LENOVO CB-01    00000002 
> >>> LENO 00000001) Acpi Data Table [FPDT] decoded Formatted output:  
> >>> fpdt.dsl - 1452 bytes File appears to be binary: found 30 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file hpet.dat, Length 0x38 (56) bytes
> >>> ACPI: HPET 0x0000000000000000 000038 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [HPET] decoded Formatted output:  
> >>> hpet.dsl - 1865 bytes File appears to be binary: found 279 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file ivrs.dat, Length 0x1A4 (420) bytes
> >>> ACPI: IVRS 0x0000000000000000 0001A4 (v02 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [IVRS] decoded Formatted output:  
> >>> ivrs.dsl - 6001 bytes File appears to be binary: found 36 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file mcfg.dat, Length 0x3C (60) bytes
> >>> ACPI: MCFG 0x0000000000000000 00003C (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [MCFG] decoded Formatted output:  
> >>> mcfg.dsl - 1526 bytes File appears to be binary: found 32 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file msdm.dat, Length 0x55 (85) bytes
> >>> ACPI: MSDM 0x0000000000000000 000055 (v03 LENOVO CB-01    00000000 
> >>> LENO 00000001) Acpi Data Table [MSDM] decoded Formatted output:  
> >>> msdm.dsl - 1557 bytes File appears to be binary: found 25 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file sbst.dat, Length 0x30 (48) bytes
> >>> ACPI: SBST 0x0000000000000000 000030 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [SBST] decoded Formatted output:  
> >>> sbst.dsl - 1282 bytes File appears to be binary: found 410 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file ssdt10.dat, Length 0x47F (1151) bytes
> >>> ACPI: SSDT 0x0000000000000000 00047F (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt10.dsl - 5673 bytes File appears to be binary: 
> >>> found 708 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt11.dat, Length 
> >>> 0xC1D (3101) bytes
> >>> ACPI: SSDT 0x0000000000000000 000C1D (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt11.dsl - 15424 bytes File appears to be binary: 
> >>> found 848 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt12.dat, Length 
> >>> 0x9AD (2477) bytes
> >>> ACPI: SSDT 0x0000000000000000 0009AD (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt12.dsl - 12474 bytes File appears to be binary: 
> >>> found 9207 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt1.dat, Length 
> >>> 0x7216 (29206) bytes
> >>> ACPI: SSDT 0x0000000000000000 007216 (v02 LENOVO AmdTable 00000002 
> >>> MSFT 04000000) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt1.dsl - 208699 bytes File appears to be binary: 
> >>> found 3968 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt2.dat, Length 
> >>> 0x1500 (5376) bytes
> >>> ACPI: SSDT 0x0000000000000000 001500 (v01 LENOVO AmdTable 00000001 AMD  
> >>> 00000001) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt2.dsl - 59265 bytes File appears to be binary: 
> >>> found 449 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt3.dat, Length 
> >>> 0x53A (1338) bytes
> >>> ACPI: SSDT 0x0000000000000000 00053A (v01 LENOVO Tpm2Tabl 00009999 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt3.dsl - 10738 bytes File appears to be binary: 
> >>> found 474 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt4.dat, Length 
> >>> 0x64C (1612) bytes
> >>> ACPI: SSDT 0x0000000000000000 00064C (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt4.dsl - 8258 bytes
> >>> File appears to be binary: found 400 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file ssdt5.dat, Length 0x480 (1152) bytes
> >>> ACPI: SSDT 0x0000000000000000 000480 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt5.dsl - 5582 bytes
> >>> File appears to be binary: found 1140 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file ssdt6.dat, Length 0x1497 (5271) bytes
> >>> ACPI: SSDT 0x0000000000000000 001497 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt6.dsl - 20293 bytes File appears to be binary: 
> >>> found 1314 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt7.dat, Length 
> >>> 0x1576 (5494) bytes
> >>> ACPI: SSDT 0x0000000000000000 001576 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt7.dsl - 30076 bytes File appears to be binary: 
> >>> found 4095 non-ASCII characters, disassembling Binary file appears to 
> >>> be a valid ACPI table, disassembling Input file ssdt8.dat, Length 
> >>> 0x353C (13628) bytes
> >>> ACPI: SSDT 0x0000000000000000 00353C (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt8.dsl - 78242 bytes File appears to be binary: 
> >>> found 74 non-ASCII characters, disassembling Binary file appears to be 
> >>> a valid ACPI table, disassembling Input file ssdt9.dat, Length 0x90 
> >>> (144) bytes
> >>> ACPI: SSDT 0x0000000000000000 000090 (v01 LENOVO AmdTable 00000001 
> >>> INTL 20180313) Pass 1 parse of [SSDT] Pass 2 parse of [SSDT] Parsing 
> >>> Deferred Opcodes (Methods/Buffers/Packages/Regions)
> >>>
> >>> Parsing completed
> >>> Disassembly completed
> >>> ASL Output:    ssdt9.dsl - 1767 bytes
> >>> File appears to be binary: found 32 non-ASCII characters, 
> >>> disassembling Binary file appears to be a valid ACPI table, 
> >>> disassembling Input file tpm2.dat, Length 0x38 (56) bytes
> >>> ACPI: TPM2 0x0000000000000000 000038 (v04 LENOVO CB-01    00000002 
> >>> LENO 00000001) Acpi Data Table [TPM2] decoded Formatted output:  
> >>> tpm2.dsl - 1515 bytes File appears to be binary: found 189 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file uefi.dat, Length 0x12A (298) bytes
> >>> ACPI: UEFI 0x0000000000000000 00012A (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Acpi Data Table [UEFI] decoded Formatted output:  
> >>> uefi.dsl - 2505 bytes File appears to be binary: found 37100 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file vfct.dat, Length 0xD484 (54404) bytes
> >>> ACPI: VFCT 0x0000000000000000 00D484 (v01 LENOVO CB-01    00000001 
> >>> LENO 00000001) Unknown ACPI table signature [VFCT], decoding ACPI 
> >>> table header only Acpi Data Table [VFCT] decoded Formatted output:  
> >>> vfct.dsl - 269557 bytes File appears to be binary: found 17 non-ASCII 
> >>> characters, disassembling Binary file appears to be a valid ACPI 
> >>> table, disassembling Input file wsmt.dat, Length 0x28 (40) bytes
> >>> ACPI: WSMT 0x0000000000000000 000028 (v01 LENOVO CB-01    00000000 
> >>> LENO 00000001) Acpi Data Table [WSMT] decoded Formatted output:  
> >>> wsmt.dsl - 1313 bytes Low Power S0 Idle is 0 The system does not 
> >>> support S0ix!
> >>>
> >>>
> >>> #################################################
> >>> #!/bin/bash
> >>>
> >>> cd /var/tmp/
> >>>
> >>> acpidump -b
> >>>
> >>> iasl -d *.dat
> >>>
> >>> lp=$(grep "Low Power S0 Idle" /var/tmp/facp.dsl | awk '{print $(NF)}')
> >>>
> >>> if [ "$lp" -eq 1 ]; then
> >>>
> >>> echo "Low Power S0 Idle is" $lp
> >>>
> >>> echo "The system supports S0ix!"
> >>>
> >>> else
> >>>
> >>> echo "Low Power S0 Idle is" $lp
> >>>
> >>> echo "The system does not support S0ix!"
> >>>
> >>> fi
> >>>
> >>>  
> >>>
> >>> Thanks,
> >>>
> >>> Basavaraj
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> Stephen MacNeil
> >>> 905 334 5092
> >>> mglessons.com 
> >>> <https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmglessons.com%2F&amp;data=04%7C01%7Cray.huang%40amd.com%7C0dbf347b744f4480a76608d955aab43c%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637635013945224005%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=Zc6RqCBpmncIWTGiBpZ%2BmOBmPVV7gIx8mS2hqBenP6k%3D&amp;reserved=0>
> > 
>