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

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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@xxxxxxxxxx> 
>> Sent: Sunday, August 1, 2021 3:17 PM
>> To: Stephen MacNeil <macneisj@xxxxxxxxx>; Limonciello, Mario <Mario.Limonciello@xxxxxxx>; Rafael J . Wysocki <rjw@xxxxxxxxxxxxx>
>> Cc: Linux PM <linux-pm@xxxxxxxxxxxxxxx>; linux-acpi <linux-acpi@xxxxxxxxxxxxxxx>
>> 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%7CNehal-bakulchandra.Shah%40amd.com%7C64a299468a7047508e7308d954d15362%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637634080305647130%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=deJr%2FVlbHHTyu%2BYTUma%2BpVhmAMtF%2B968z1hIai%2Bpdug%3D&amp;reserved=0>
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