On Thursday 15 August 2013 18:21:51 Martin Peres wrote: > On 15/08/2013 03:24, Pali Rohár wrote: > > On Thursday 15 August 2013 04:07:24 Martin Peres wrote: > >> On 14/08/2013 05:02, Pali Rohár wrote: > >>> On Tuesday 13 August 2013 15:55:28 Martin Peres wrote: > >>>> On 13/08/2013 09:53, Pali Rohár wrote: > >>>>> On utorok, 13. augusta 2013 15:32:45 CEST, Martin Peres > >>> > >>> wrote: > >>>>>> On 13/08/2013 09:23, Pali Rohár wrote: > >>>>>>> On Tuesday 13 August 2013 09:01:19 Martin Peres wrote: > >>>>>> ... > >>>>>> > >>>>>> You can check the temperature by running nvidia-settings. > >>>>>> If you can't see the temperature in it, then nvidia > >>>>>> doesn't support it on your card and > >>>>>> I'm not sure we should :s > >>>>>> > >>>>>> Thanks for the vbios you sent me in private. For the > >>>>>> others, the reason why he doesn't have temperature > >>>>>> anymore is because his vbios lacks sensor calibration > >>>>>> values. > >>>>> > >>>>> In nvidia-settings tab "GPU 0 - (GeForce 6600 GT)" --> > >>>>> "Thermal Settings" is: > >>>>> > >>>>> Thermal Sensor Information: > >>>>> ID: 0 > >>>>> Target: GPU > >>>>> Provider: GPU Internal > >>>>> Temperature: 70 C (now) > >>>>> > >>>>> I looked in Windows program SpeedFan. It found Nvidia PCI > >>>>> card and reported "GPU Temp" about 68-70 C. So it looks > >>>>> like both nvidia driver and windows SpeedFan program > >>>>> reading same values. > >>>> > >>>> Great, I'll cook you a patch in a bit and you'll see what > >>>> the temperature is like. It won't be perfectly accurate > >>>> but there is some kind of default for nvidia cards of this > >>>> generation. > >>> > >>> Ok, send me patch and I can try it if it will work and > >>> report similar values as windows or nvidia driver. > >> > >> Sorry for the late answer. > >> > >> Please test this patch. Be aware that temperature with nouveau > >> will be higher than with the blob. > >> I only want to see if nouveau reports a temperature. > >> > >> The only way to be sure if the values are good-enough would be > >> to use the blob and run: > >> nvapeek 0x15b0 > >> Please send me the result along with the temperature reported > >> by nvidia at the time of the peek. > >> > >> Martin > >> > >> PS: This patch has only be compile-tested, I don't have access > >> to an nv4x right now. > > > > Hello, > > > > now after patch nouveau report temperature: > > > > $ sensors > > ... > > nouveau-pci-0500 > > Adapter: PCI adapter > > temp1: +63.0°C (high = +95.0°C, hyst = +3.0°C) > > > > (crit = +145.0°C, hyst = +2.0°C) > > (emerg = +135.0°C, hyst = +5.0°C) > > Ok, that was expected ;) > > > ... > > > > I found that nvidia binary driver has command line utility > > nvidia-smi which report same temperature as X utility nvidia- > > settings. So I will use nvidia-smi (if it is OK). > > > > And after reboot nvidia report another temperature value: > > > > $ nvidia-smi -q -d TEMPERATURE > > ... > > GPU 0000:05:00.0 > > > > Temperature > > > > Gpu : 70 C > > > > Immediately I called nvapeek command: > > > > $ nvapeek 0x15b0 > > 000015b0: 1000008e > > > > So value reported by nouveau is lower than value reported by > > nvidia binary driver. > > As you didn't run nvapeek 15b0 when running nouveau it is hard to tell > if it is due to > calibration values or because the temperature was lower. > I run it and it always reported value 000000ff (also when temperature changed). > Could you please read the temperature + peek 15b0 when running nouveau? > > Anyway, it is weird because I cannot find 70°C with 0x8e as an input > temperature and with > the current default values :o > My idea is that register does not contains temperature. Both nouveau and nvidia driver when show different temperature it does not show different output from "nvapeek 0x15b0". Now I started computer with nouveau driver. Temperature is incresing, but nvapeek 0x15b0 is still same. So do you really needs other tests with nvapeek 0x15b0? Is that register correct? > > I wait some some and started nvidia-smi and nvapeek again, here > > are results: > > > > $ nvidia-smi -q -d TEMPERATURE > > ... > > GPU 0000:05:00.0 > > > > Temperature > > > > Gpu : 67 C > > > > $ nvapeek 0x15b0 > > 000015b0: 1000008e > > > > So it looks like that nvapeek returning always same value and > > does not depends on temperature... It is OK? > > Well, it looks like the temperature reading is very noisy! > Could you please get the temperature + peek when the card is as hot as > possible? > > There is a very effective solution to get a GPU hot, use a hair drier. > If you could get your > GPU to at 110°C (or less, if you feel like it is too much), that could > help me check the formula > and default values. > > PS: I attached a new version of the patch that should improve the > temperature accuracy for > nv43s. Could you test it and send me your kernel log? -- Pali Rohár pali.rohar@xxxxxxxxx
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