Date: Wed, 5 Aug 2015 10:04:01 -0300 From: Mario Lobo <lobo@bsd.com.br> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-hackers@freebsd.org, "Herbert J. Skuhra" <herbert@oslo.ath.cx> Subject: Re: Gigabyte 970A-UD3P and hwpstate problem Message-ID: <20150805100401.265ca50f@Papi> In-Reply-To: <1678045.UlXctAKXAD@ralph.baldwin.cx> References: <20150710213752.473cb831@Papi> <20150711135006.GB41680@oslo.ath.cx> <20150712152321.51b8407c@Papi> <1678045.UlXctAKXAD@ralph.baldwin.cx>
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On Tue, 04 Aug 2015 13:18:21 -0700 John Baldwin <jhb@freebsd.org> wrote: > On Sunday, July 12, 2015 03:23:21 PM Mario Lobo wrote: > > On Sat, 11 Jul 2015 15:50:06 +0200 > > "Herbert J. Skuhra" <herbert@oslo.ath.cx> wrote: > >=20 > > > On Fri, Jul 10, 2015 at 09:37:52PM -0300, Mario Lobo wrote: > > > > Hi; > > > >=20 > > > > I just installed a Gigabyte 970A-UD3P mobo and updated BIOS to > > > > the latest version but the problem also showed with the previous > > > > version. > > > >=20 > > > > Here is my amd64 10-STABLE setup: > > > >=20 > > > > FreeBSD 10.2-PRERELEASE #0 r285207M: Tue Jul 7 00:11:01 BRT > > > > 2015 amd64 > > > >=20 > > > > CPU: AMD FX-8320E Eight-Core Processor (3214.93-MHz K8-class > > > > CPU) Origin=3D"AuthenticAMD" Id=3D0x600f20 Family=3D0x15 Model= =3D0x2 > > > > Stepping=3D0 > > > > Features=3D0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,M= TRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> > > > > Features2=3D0x3e98320b<SSE3,PCLMULQDQ,MON,SSSE3,FMA,CX16,SSE4.1,SSE= 4.2,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,F16C> > > > > AMD > > > > Features=3D0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM> > > > > AMD > > > > Features2=3D0x1ebbfff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefet= ch,OSVW,IBS,XOP,SKINIT,WDT,LWP,FMA4,TCE,NodeId,TBM,Topology,PCXC,PNXC> > > > > Structured Extended Features=3D0x8<BMI1> SVM: > > > > NP,NRIP,VClean,AFlush,DAssist,NAsids=3D65536 TSC: P-state > > > > invariant, performance statistics real memory =3D 17179869184 > > > > (16384 MB) [snip] ACPI BIOS Warning (bug): Optional FADT field > > > > Pm2ControlBlock has zero address or length: > > > > 0x0000000000000000/0x1 (20150515/tbfadt-673) [snip] > > > > hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff > > > > on acpi0 > > > >=20 > > > > The problem: > > > >=20 > > > > powerd: no cpufreq(4) support -- aborting: No such file or > > > > directory /etc/rc: WARNING: failed to start powerd > > >=20 > > > Could this be your problem: > > >=20 > > > r276986 | nwhitehorn | 2015-01-11 18:10:07 +0100 (s=F8n, 11 jan > > > 2015) | 8 lines > > >=20 > > > MFC r265329: > > > Disable ACPI and P4TCC throttling by default, following > > > discussion on freebsd-current. These CPU speed control techniques > > > are usually unhelpful at best. For now, continue building the > > > relevant code into GENERIC so that it can trivially be re-enabled > > > at runtime if anyone wants it. > > >=20 > > > Relnotes: yes > > >=20 > > > % svnlite diff -c 276986 sys/amd64/conf/GENERIC.hints=20 > > > Index: sys/amd64/conf/GENERIC.hints > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > > --- sys/amd64/conf/GENERIC.hints (revision 276985) > > > +++ sys/amd64/conf/GENERIC.hints (revision 276986) > > > @@ -31,3 +31,5 @@ > > > hint.attimer.0.port=3D"0x40" > > > hint.attimer.0.irq=3D"0" > > > hint.wbwd.0.at=3D"isa" > > > +hint.acpi_throttle.0.disabled=3D"1" > > > +hint.p4tcc.0.disabled=3D"1" > > >=20 > > > Does it work if your unset or remove those lines > > > from /boot/device.hints? > > >=20 > >=20 > > YEEESSS ! Thanks for pointing that out! > >=20 > > I have these commented on my loader.conf but I didn't know they were > > active somewhere else. > >=20 > > As far as cpufreq/powerd goes, it's working now and frequencies are > > being throttled but still no cool'n'quiet/hwpstate0 showing on > > dmesg. acpi_throttle attaches to cpu0 but not to the others. >=20 > The acpi_throttle isn't really that helpful though. You probably want > to try to add support for your CPU to the hwpstate driver instead and > leave acpi_throttle disabled. >=20 > Can you run 'kgdb' as root and get the output of 'p amd_pminfo'? (kgdb) p amd_pminfo $1 =3D 2009 > Hmm, do you have an acpi_perf0 device? If not, then your CPU isn't > supported without BIOS help. No acpi_perf0 device present > First check to see if there are any BIOS > options to control CPU throttling that are currently disabled. The only BIOS option that deals with throttling is Cool'n'Quiet, which is enabled. I get this though: [~]>dmesg -a | grep acpi_ =20 acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0 acpi_button0: <Power Button> on acpi0 acpi_throttle0: <ACPI CPU Throttling> on cpu0 acpi_throttle1: <ACPI CPU Throttling> on cpu1 acpi_throttle1: failed to attach P_CNT device_attach: acpi_throttle1 attach returned 6 acpi_throttle2: <ACPI CPU Throttling> on cpu2 acpi_throttle2: failed to attach P_CNT device_attach: acpi_throttle2 attach returned 6 acpi_throttle3: <ACPI CPU Throttling> on cpu3 acpi_throttle3: failed to attach P_CNT device_attach: acpi_throttle3 attach returned 6 acpi_throttle4: <ACPI CPU Throttling> on cpu4 acpi_throttle4: failed to attach P_CNT device_attach: acpi_throttle4 attach returned 6 acpi_throttle5: <ACPI CPU Throttling> on cpu5 acpi_throttle5: failed to attach P_CNT device_attach: acpi_throttle5 attach returned 6 acpi_throttle6: <ACPI CPU Throttling> on cpu6 acpi_throttle6: failed to attach P_CNT device_attach: acpi_throttle6 attach returned 6 acpi_throttle7: <ACPI CPU Throttling> on cpu7 acpi_throttle7: failed to attach P_CNT device_attach: acpi_throttle7 attach returned 6 Only acpi_throttle0 gets hooked dev.acpi_throttle.0.freq_settings: 10000/-1 8750/-1 7500/-1 6250/-1 5000/-1 3750/-1 2500/-1 1250/-1 dev.acpi_throttle.0.%parent: cpu0 dev.acpi_throttle.0.%pnpinfo:=20 dev.acpi_throttle.0.%location:=20 dev.acpi_throttle.0.%driver: acpi_throttle dev.acpi_throttle.0.%desc: ACPI CPU Throttling dev.acpi_throttle.%parent And frequencies ARE getting throttled: dev.cpufreq.0.%parent: cpu0 dev.cpufreq.0.%pnpinfo:=20 dev.cpufreq.0.%location:=20 dev.cpufreq.0.%driver: cpufreq dev.cpufreq.0.%desc:=20 dev.cpufreq.%parent:=20 dev.acpi_throttle.0.freq_settings: 10000/-1 8750/-1 7500/-1 6250/-1 5000/-1 3750/-1 2500/-1 1250/-1=20 dev.cpu.0.freq_levels: 3214/-1 2812/-1 2410/-1 2008/-1 1607/-1 1205/-1 803/-1 dev.cpu.0.freq: 1607 dev.cpu.0.freq: 2008 dev.cpu.0.freq: 2410 dev.cpu.0.freq: 3214 dev.cpu.0.freq: 1205 dev.cpu.0.freq: 803 --=20 Mario Lobo http://www.mallavoodoo.com.br FreeBSD since 2.2.8 [not Pro-Audio.... YET!!] =20 "UNIX was not designed to stop you from doing stupid things,=20 because that would also stop you from doing clever things."
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