https://bugs.freedesktop.org/show_bug.cgi?id=78116
Priority: medium
Bug ID: 78116
Assignee: [email protected]
Summary: Auto fan speed management doesn't do anything in non
critical temperature range (NVC0)
QA Contact: [email protected]
Severity: enhancement
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: NEW
Version: unspecified
Component: Driver/nouveau
Product: xorg
I have Gigabyte GTX 560 Ti Ultra Durable card. (Logs for this issue are same as
in Bug 78106)
1a) When I finish booting, nouveau selects AUTO mode (pwm1_enable: 2) and set's
the fan power to 55% (pwm1: 55).
1b) Enable manual mode, set pwm1 to 100, enable auto mode.
In both cases I would expect from the AUTO mode to lower PWM to go as low as
pwm1_min if the temperature is low enough. My card temperature is 31-33 °C but
pwm1 is never lowered in AUTO mode (neither from 55 or 100).
2) On Windows pwm goes as low as pwm1_min (which is 40 by default for GTX 560
Ti but it also works with my modded value of 30). I thought that Nvidia card
can manage it by itself (is it really done by operating system/software?).
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