Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: EHCI powersave causes shutdown to freeze | Date | Thu, 24 Nov 2011 01:15:38 +0100 |
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On Thursday, November 24, 2011, Patrik Kullman wrote: > Hi, > > After creating a powersave script based on PowerTOP Tunables, this > particular line prevented the system from being able to shutdown (Asus > Zenbook UX31E, kernels 3.0 - 3.1.2): > > ### Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced > Host Controller #1 > echo auto > /sys/bus/pci/devices/0000:00:1d.0/power/control > > > Kernel prints the "Power Down." message but machine doesn't power down. > > Is this a known bug? > Could this be fixed in the driver instead of: > > echo on > /sys/bus/pci/devices/0000:00:1d.0/power/control > > on system shutdown?
This commit should address that issue:
commit af8db1508f2c9f3b6e633e2d2d906c6557c617f9 Author: Peter Chen <peter.chen@freescale.com> Date: Tue Nov 15 21:52:29 2011 +0100
PM / driver core: disable device's runtime PM during shutdown
Thanks, Rafael
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