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Date:      Tue, 22 Feb 2022 18:23:17 -0500
From:      Alexander Motin <mav@FreeBSD.org>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        Mike Karels <mike@karels.net>, Tomoaki AOKI <junchoon@dec.sakura.ne.jp>, "Chen, Alvin W" <Weike.Chen@dell.com>, freebsd-current@freebsd.org
Subject:   Re: [Intel AlderLake] Read&Write files to FAT32 or UFS partition cause data corrupt due to P-Core&E-Core
Message-ID:  <1f968af1-1c57-9a09-7e01-145a5262e27f@FreeBSD.org>
In-Reply-To: <YhVnsB5ZwLYmpAFP@kib.kiev.ua>
References:  <PH0PR19MB4938FC8E343F7AA23F66C7439E349@PH0PR19MB4938.namprd19.prod.outlook.com> <PH0PR19MB4938BC329E905FA3BFC93EBB9E359@PH0PR19MB4938.namprd19.prod.outlook.com> <PH0PR19MB49388A4BC14B16FCEA5F742D9E359@PH0PR19MB4938.namprd19.prod.outlook.com> <5fd2a34e-1135-4237-a028-d4566ff65c69@FreeBSD.org> <20220219115534.7db1b9f199c10894e4280b33@dec.sakura.ne.jp> <7A743668-B5AA-4679-9F56-9A6220CBBC14@karels.net> <bc01426a-9750-a161-0bfa-e1acd5299f81@FreeBSD.org> <YhE1rWoA%2BhMfebq/@kib.kiev.ua> <59cbcfe2-cd53-69d8-65d6-7a79e656f494@FreeBSD.org> <YhVnsB5ZwLYmpAFP@kib.kiev.ua>

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On 22.02.2022 17:46, Konstantin Belousov wrote:
> Ok, the next step is to get the CPU feature reports from P- vs. E- cores.
> Patch below should work, with verbose boot.

Not much difference on that level:

--- zzzp        2022-02-22 18:18:24.531704000 -0500
+++ zzze        2022-02-22 18:18:18.631236000 -0500
@@ -1,22 +1,21 @@
-CPU 2: 12th Gen Intel(R) Core(TM) i7-12700K (3609.60-MHz K8-class CPU)
+CPU 16: 12th Gen Intel(R) Core(TM) i7-12700K (3609.60-MHz K8-class CPU)
    Origin="GenuineIntel"  Id=0x90672  Family=0x6  Model=0x97  Stepping=2
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=0x7ffafbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
    AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
    AMD Features2=0x121<LAHF,ABM,Prefetch>
    Structured Extended 
Features=0x239ca7eb<FSGSBASE,TSCADJ,BMI1,AVX2,FDPEXC,SMEP,BMI2,ERMS,INVPCID,NFPUSG,PQE,RDSEED,ADX,SMAP,CLFLUSHOPT,CLWB,PROCTRACE,SHA>
    Structured Extended 
Features2=0x98c027ac<UMIP,PKU,WAITPKG,GFNI,VAES,VPCLMULQDQ,TME,RDPID,MOVDIRI,MOVDIR64B>
    Structured Extended 
Features3=0xfc1cc410<FSRM,MD_CLEAR,PCONFIG,IBT,IBPB,STIBP,L1DFL,ARCH_CAP,CORE_CAP,SSBD>
    XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES>
    IA32_ARCH_CAPS=0xd6b<RDCL_NO,IBRS_ALL,SKIP_L1DFL_VME,MDS_NO,TAA_NO>
    VT-x: Basic Features=0x3da0500<SMM,INS/OUTS,TRUE>
          Pin-Based Controls=0xff<ExtINT,NMI,VNMI,PreTmr,PostIntr>
          Primary Processor 
Controls=0xfffbfffe<INTWIN,TSCOff,HLT,INVLPG,MWAIT,RDPMC,RDTSC,CR3-LD,CR3-ST,CR8-LD,CR8-ST,TPR,NMIWIN,MOV-DR,IO,IOmap,MTF,MSRmap,MONITOR,PAUSE>
          Secondary Processor 
Controls=0xf5d7fff<APIC,EPT,DT,RDTSCP,x2APIC,VPID,WBINVD,UG,APIC-reg,VID,PAUSE-loop,RDRAND,INVPCID,VMFUNC,VMCS,XSAVES>
          Exit Controls=0x3da0500<PAT-LD,EFER-SV,PTMR-SV>
          Entry Controls=0x3da0500
          EPT Features=0x6f34141<XO,PW4,UC,WB,2M,1G,INVEPT,AD,single,all>
          VPID 
Features=0x10f01<INVVPID,individual,single,all,single-globals>
    TSC: P-state invariant, performance statistics
-64-Byte prefetching
-L2 cache: 1280 kbytes, 8-way associative, 64 bytes/line
+L2 cache: 2048 kbytes, 16-way associative, 64 bytes/line

-- 
Alexander Motin



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