Date: Sat, 6 Apr 2019 19:50:31 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Mark Millard <marklmi@yahoo.com> Cc: freebsd-amd64@freebsd.org Subject: Re: head -r345758 Ryzen Threadripper 1950X vs. amdtemp.ko : dev.cpu.31 missing Message-ID: <20190406165031.GK1923@kib.kiev.ua> In-Reply-To: <DAF73A33-C69E-46D5-A749-AA77D884203D@yahoo.com> References: <403763BB-4DB9-488F-9480-C71871ED66B5@yahoo.com> <20190405114617.GC1923@kib.kiev.ua> <DAF73A33-C69E-46D5-A749-AA77D884203D@yahoo.com>
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On Fri, Apr 05, 2019 at 11:47:58AM -0700, Mark Millard wrote: > > > On 2019-Apr-5, at 04:46, Konstantin Belousov <kostikbel at gmail.com> wrote: > > > On Thu, Apr 04, 2019 at 04:58:15PM -0700, Mark Millard via freebsd-amd64 wrote: > >> On a: > >> > >> CPU: AMD Ryzen Threadripper 1950X 16-Core Processor (3393.70-MHz K8-class CPU) > >> Origin="AuthenticAMD" Id=0x800f11 Family=0x17 Model=0x1 Stepping=1 > >> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> > >> Features2=0x7ed8320b<SSE3,PCLMULQDQ,MON,SSSE3,FMA,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND> > >> AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM> > >> AMD Features2=0x35c233ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,SKINIT,WDT,TCE,Topology,PCXC,PNXC,DBE,PL2I,MWAITX> > >> Structured Extended Features=0x209c01a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA> > >> XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES> > >> AMD Extended Feature Extensions ID EBX=0x1007<CLZERO,IRPerf,XSaveErPtr,IBPB> > >> SVM: NP,NRIP,VClean,AFlush,DAssist,NAsids=32768 > >> TSC: P-state invariant, performance statistics > >> > >> after "kldload amdtemp" the following is seen: > >> > >> # sysctl dev.cpu.31 > >> sysctl: unknown oid 'dev.cpu.31' > >> > >> # sysctl dev.cpu.30 > >> dev.cpu.30.temperature: 62.1C > >> dev.cpu.30.cx_method: C1/hlt C2/io > >> dev.cpu.30.cx_usage_counters: 0 0 > >> dev.cpu.30.cx_usage: 0.00% 0.00% last 1000000us > >> dev.cpu.30.cx_lowest: C1 > >> dev.cpu.30.cx_supported: C1/1/0 C2/2/100 > >> dev.cpu.30.%parent: acpi0 > >> dev.cpu.30.%pnpinfo: _HID=none _UID=0 > >> dev.cpu.30.%location: handle=\_PR_.C01F > >> dev.cpu.30.%driver: cpu > >> dev.cpu.30.%desc: ACPI CPU > >> > >> . . . > > > > In the output of devinfo(8), how many CPUs do you see ? Is there cpu31, > > and does it have amdtemp child ? > > (I only used 'sysctl -a | grep "temp.*[0-9]C$"' as a short > way to show one line per dev.cpu.N so show the others were > all present.) > > cpu31 is missing in the devinfo output. The amdtempM's are under > pcibX > pciY > hostbZ , not per cpuN . > > Shortended output but showing all the cpuN and amdtmpM > and their "parents" and "childern": > > # devinfo > nexus0 > cryptosoft0 > vtvga0 > apic0 > ram0 > acpi0 > cpu0 > hwpstate0 > cpufreq0 > cpu1 > cpu2 > cpu3 > cpu4 > cpu5 > cpu6 > cpu7 > cpu8 > cpu9 > cpu10 > cpu11 > cpu12 > cpu13 > cpu14 > cpu15 > cpu16 > cpu17 > cpu18 > cpu19 > cpu20 > cpu21 > cpu22 > cpu23 > cpu24 > cpu25 > cpu26 > cpu27 > cpu28 > cpu29 > cpu30 > pcib0 > pci0 > hostb0 > amdsmn0 > amdtemp0 > . . , > pcib12 > pci12 > hostb23 > amdsmn1 > amdtemp1 > . . . Ok, I see, it was unexpected to see amdtemp to attach under the host bridge instead of cpu device. Please post complete output of devinfo -r and pciconf -lvcb somewhere.
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