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Old 08-07-05, 02:53 AM   #25
Thunderbird
 
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Default Re: NVidia Thermal Monitor (Applet?)

Nvidia-settings retrieves its information from the NV-CONTROL extension which the drivers proivde. In the end the drivers read the info from the i2c bus but only one two types of chips are supported by it the LM99/MAX6659 and a builtin sensor (6600GT/7800GTX). NVClock on the other hand reads everything from the i2c bus and supports much more chipsets including the Winbond W87L785R which is used on your card. (it provides additional fanspeed monitoring and adjustments) Lm_sensors doesn't show any sensors because a i2c module for nvidia cards is required like the one from the rivatv project. Only this driver can't be used alongside the nvidia drivers.

Perhaps you also wonder why lm_sensors can't find the sensor and nvclock can. The reason is that nvclock can be seen as a driver in userspace. It accesses the videocard using /dev/nvidia* and then implements its own i2c layer using which the chips are accessed.
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Old 08-07-05, 04:00 AM   #26
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Default Re: NVidia Thermal Monitor (Applet?)

Why not push the i2c complaint rivatv/NVClock code upstream into the lm_sensors project? I doubt that lm_sensors group will refuse to support a i2c driver just because it requires a binary nVidia driver.
(Or did I fail to understand your point?)
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Old 08-07-05, 07:13 AM   #27
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Default Re: NVidia Thermal Monitor (Applet?)

The rivatv code can work fine with lm_sensors, I think it even ships its i2c driver. The issue is that the nvidia driver doesn't allow other linux drivers to access the hardware as it causes lots of issues. NVClock on the other hand isn't a linux driver and can access the hardware fine. It can't work together with lm_sensors as lm_sensors messes with linux drivers.

Will post a basic gpu temperature monitoring applet soon ..
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Old 08-07-05, 08:23 AM   #28
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Default Re: NVidia Thermal Monitor (Applet?)

Umm...
Admittedly I don't know enough about how lm-sensros (both the kernel-land and the user-land portions of it) work.
But are you talking about the user-land part of lm_sensors (libsensors)?
Second, (I may be shooting blanks here) can nVidia expose an i2c compatible interface?
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Old 08-22-06, 11:41 AM   #29
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Default Re: NVidia Thermal Monitor (Applet?)

About a year ago Thunderbird mentioned a gkrellm plugin to use nvclock for temperature info. I am eager to have that plugin, even in beta. Anybody know where I can find it?
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Old 08-22-06, 11:48 AM   #30
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Default Re: NVidia Thermal Monitor (Applet?)

Since then I have redesigned and nvclock and the way plugins can interact. You will see a such an applet soon. Before my unreleased applets directly linked with nvclock which isn't nice and entirely safe. I have written a dbus daemon which applets and other things can use to query nvclock info (temperatures, fanspeeds ..). This stuff will appear soon.
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Old 08-22-06, 12:56 PM   #31
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Default Re: NVidia Thermal Monitor (Applet?)

Quote:
Originally Posted by Thunderbird
Since then I have redesigned and nvclock and the way plugins can interact. You will see a such an applet soon. Before my unreleased applets directly linked with nvclock which isn't nice and entirely safe. I have written a dbus daemon which applets and other things can use to query nvclock info (temperatures, fanspeeds ..). This stuff will appear soon.
I'm excited, thanks.
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Old 08-22-06, 12:57 PM   #32
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Default Re: NVidia Thermal Monitor (Applet?)

As somebody else might have mentioned, gkrellm supports the NVIDIA sensors and has done for ages.
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Old 08-22-06, 07:37 PM   #33
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Default Re: NVidia Thermal Monitor (Applet?)

Quote:
Originally Posted by wizdom
As somebody else might have mentioned, gkrellm supports the NVIDIA sensors and has done for ages.
And forks nvidia-settings every 5 seconds, which has also been mentioned.
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