[Bug 214369] FreeBSD-current, ioctl() invalid arguments on microcode update

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214369

            Bug ID: 214369
           Summary: FreeBSD-current, ioctl() invalid arguments on
                    microcode update
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: subbsd at gmail.com
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

Updating microcode broken on FreeBSD-current

Updating cpucodes...
/usr/local/share/cpucontrol/m36506e3_0000009d_0000009e.fw: updating
cpu /dev/cpuctl0 from rev 0x55 to rev 0x9e... failed.
cpucontrol: ioctl(): Invalid argument

I've tested on two FreeBSD 12.0-CURRENT r308381:

1) FreeBSD 12.0-CURRENT from svn://svn.freebsd.org/base/head r308381

CPU: Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (3408.17-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x506e3  Family=0x6  Model=0x5e  Stepping=3
 
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=0x29c6fbf<FSGSBASE,TSCADJ,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,NFPUSG,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PROCTRACE>
  XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics


2) FreeBSD 12.0 f16dfbd(drm-next-4.7)-dirty from
https://github.com/FreeBSDDesktop/freebsd-base-graphics.git

CPU: Intel(R) Core(TM) i5-6260U CPU @ 1.80GHz (1800.08-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x406e3  Family=0x6  Model=0x4e  Stepping=3
 
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=0x7ffafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,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=0x29c67af<FSGSBASE,TSCADJ,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PROCTRACE>
  XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics

How to repeat:
% make -C /usr/ports/sysutils/devcpu-data install && service

https://lists.freebsd.org/pipermail/freebsd-current/2016-November/063752.html

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