https://bugs.freedesktop.org/show_bug.cgi?id=66022
Priority: medium
Bug ID: 66022
Assignee: [email protected]
Summary: pwm1[_enable] faults after hibernate/restore related
to automatic (or otherwise) fan management
QA Contact: [email protected]
Severity: normal
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: NEW
Version: unspecified
Component: Driver/nouveau
Product: xorg
This is a collection of 2 bugs, which I think are related (hence why I am
reporting them both here) as they both happen as a result of hibernate/restore:
1. After a hibernate/restore cycle, the fan management option (the value of
pwm1_enable) is not restored; and also
2. After a hibernate/restore cycle, when automatic fan management is applied
("echo 2 > .../pwm1_enable"), this doesn't work - the nouveau driver takes the
fan speed to 2 and keeps it there *regardless* of the temperature of the video
card, which may cause the card to BURN OUT!
The kernel in use is 3.9.6 with the stock-supplied nvidia driver. For more
details please see https://bugzilla.redhat.com/show_bug.cgi?id=976658
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