Bug 80013 - [NVC1] Card not auto-suspending in 3.15
Summary: [NVC1] Card not auto-suspending in 3.15
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nouveau (show other bugs)
Version: 7.6 (2010.12)
Hardware: x86-64 (AMD64) All
: medium normal
Assignee: Nouveau Project
QA Contact: Xorg Project Team
Depends on:
Reported: 2014-06-14 01:36 UTC by Marc Collin
Modified: 2019-12-04 08:45 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

/var/log/messages 3.14 (215.38 KB, text/plain)
2014-06-14 01:36 UTC, Marc Collin
no flags Details

Description Marc Collin 2014-06-14 01:36:29 UTC
Created attachment 101028 [details]
/var/log/messages 3.14

Since kernel 3.15, i cannot turn off nvidia video card.

on 3.14
cat /sys/kernel/debug/vgaswitcheroo/switch
1:DIS: :DynOff:0000:01:00.0   

on 3.15
1:DIS:  DynPwr                                    

if i try echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
that change nothing
Comment 1 Ilia Mirkin 2014-06-17 18:42:15 UTC
Bisect would be great. I kinda suspect the fan-related changes.
Comment 2 Martin Peres 2019-12-04 08:45:58 UTC
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