On 05/06/15 at 04:28P, hiren panchasara wrote:
> On 05/06/15 at 12:21P, Kevin Oberman wrote:
> > On Wed, May 6, 2015 at 9:59 AM, hiren panchasara <hi...@strugglingcoder.info
> > > wrote:
> > 
> > > On 05/05/15 at 05:48P, hiren panchasara wrote:
> > > > Running -head as of today and have amdtemp.ko loaded.
> > > >
> > > > rc.conf has:
> > > > powerd_enable="YES"
> > > > performance_cx_lowest="Cmax"
> > > > economy_cx_lowest="Cmax"
> > > >
> > > > $ sysctl hw.model
> > > > hw.model: AMD FX(tm)-8350 Eight-Core Processor
> > > > $ sysctl hw.ncpu
> > > > hw.ncpu: 8
> > > >
> > > > $ sysctl dev.cpu | grep temp
> > > > dev.cpu.7.temperature: 24.6C
> > > > dev.cpu.6.temperature: 24.6C
> > > > dev.cpu.5.temperature: 24.6C
> > > > dev.cpu.4.temperature: 24.6C
> > > > dev.cpu.3.temperature: 24.6C
> > > > dev.cpu.2.temperature: 24.6C
> > > > dev.cpu.1.temperature: 24.6C
> > > > dev.cpu.0.temperature: 24.6C
> > > >
> > > > (printing for cpu.0 just for example)
> > > > $ sysctl dev.cpu.0
> > > > dev.cpu.0.cx_usage_counters: 10760 68435
> > > > dev.cpu.0.cx_usage: 13.58% 86.41% last 75us
> > > > dev.cpu.0.cx_lowest: C8
> > > > dev.cpu.0.cx_supported: C1/1/0 C2/2/100
> > > > dev.cpu.0.freq_levels: 4000/15767 3500/13796 3400/11637 2975/10182
> > > > 2800/8437 2450/7382 2100/5400 1837/4725 1575/4050 1400/3150 1225/2756
> > > > 1050/2362 875/1968 700/1575 525/1181 350/787 175/393
> > > > dev.cpu.0.freq: 875
> > > > dev.cpu.0.temperature: 24.2C
> > > > dev.cpu.0.%parent: acpi0
> > > > dev.cpu.0.%pnpinfo: _HID=none _UID=0
> > > > dev.cpu.0.%location: handle=\_PR_.P001
> > > > dev.cpu.0.%driver: cpu
> > > > dev.cpu.0.%desc: ACPI CPU
> > > >
> > > > $ sysctl hw.acpi
> > > > hw.acpi.cpu.cx_lowest: C8
> > > > hw.acpi.reset_video: 0
> > > > hw.acpi.handle_reboot: 0
> > > > hw.acpi.disable_on_reboot: 0
> > > > hw.acpi.verbose: 0
> > > > hw.acpi.s4bios: 0
> > > > hw.acpi.sleep_delay: 1
> > > > hw.acpi.suspend_state: S3
> > > > hw.acpi.standby_state: NONE
> > > > hw.acpi.lid_switch_state: NONE
> > > > hw.acpi.sleep_button_state: S3
> > > > hw.acpi.power_button_state: S5
> > > > hw.acpi.supported_sleep_state: S3 S4 S5
> > > >
> > > > I can literally head the fan noise. Even when the box is not doing
> > > anything.
> > > >
> > > > Now, from the bios side, I tried a bunch of things without much success.
> > > >
> > > > This is what I am looking at:
> > > >
> > > > "Power Management Setup" -> ACPI Standby State
> > > >                       options - S1/S3
> > > > "H/W Monitor" -> CPU Smart Fan Target : Disabled by default
> > > >                       options - 40/45/50/44/60
> > > >             -> SYS FAN 1 Control  : Default 100%
> > > >                       options - 50%/75%/100%
> > > >
> > > > ----- "PC Health Status" ------
> > > > CPU Temperature               55C/131F
> > > > System Temperature    38C/100F
> > > > CPU FAN Speed         5928RPM
> > > > SYS FAN 1 Speed               0 RPM    <----?? It is definitely 
> > > > spinning.
> > > > CPU VCore             1.312 V
> > > > 3.3 V                 3.312 V
> > > > 5V                    4.970 V
> > > > 12V                   12.320 V
> > > >
> > > > "Green Power" -> CPU Phase Control : Disabled by default
> > > >                       options - Auto/Disabled
> > > >
> > > > What should be correct values for these? Any help/pointers would be
> > > great.
> > >
> > > Bah. Also, the reason I started looking into this is that I believe, cpu
> > > cooling is busted. When I compile anything with more -j values, box
> > > shuts down. I don't see any error on console or /var/log/messages but I
> > > did see the temperature going up to dev.cpu.0.temperature: 86.0C right
> > > before it shutdown.
> > >
> > > I'll probably reapply the thermal paste and see.
> > >
> > > cheers,
> > > Hiren
> > >
> > 
> > When you reapply the paste, clean the heat sink. Dust is an excellent
> > thermal insulator!.
> > 
> > Does the system fan have three wires? If there are only two, the fan lacks
> > tachometer feedback and will always read '0'. I have seen many systems that
> > have a motherboard supporting fan speed reporting (I think all modern ones
> > do), but lacking the slightly more expensive fan that actually provides the
> > information.
> 
> You are right, it only has 2 wires.
> > 
> > I also would suggest disabling throttling and TCC on non-current systems.
> > 11 will FINALLY disable these by default. (I've been beating this horse
> > since at least v7 and I am amazed that it was not dead!) While this might
> > not help, it will leave TCC at its default of "AUTO" for thermal control
> > instead of attempting to make it a power management tool.
> > 
> > In /boot/loader.conf:
> > hint.p4tcc.0.disabled=1
> > hint.acpi_throttle.0.disabled=1
> 
> I am on yesterday's current and tried above explicitly in loader.conf
> without much success. 
> 
> I just dusted off things but I guess I'll have to reapply the paste.
> I'll let you'll know how it goes.

Hum, I had a little bigger cooler master hyper 212 plus sitting around
so I installed that in place of the default that I got a couple years back.

Machine seems happy and a lot quieter.

Cheers,
Hiren

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