On Sat, 8 Sep 2012, Rafael J. Wysocki wrote: > On Saturday, September 08, 2012, Bjorn Helgaas wrote: > > +cc Rafael, Huang, linux-pm > > > > On Fri, Sep 7, 2012 at 3:44 PM, Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote: > > > Hi, > > > > > > On occasion when I unload and reload driver rtl8192ce, I get the message > > > > > > "Refused to change power state, currently in D3" > > > > > > I added additional info to the printk and discovered that it was trying to > > > change to state D0. The problem seems to occur when I have made a > > > connection, unloaded the driver, and reloaded it. If I do not make a > > > connection before unloading, then the problem is a lot less likely. > > > > > > This is with kernel 3.6-rc4 from wireless-testing. A Google search shows > > > that the problem is usually due to suspend/resume difficulties, but this > > > machine has not been suspended. > > > > > > I would appreciate any help that you might give in solving this issue. > > I think writing "on" to the /sys/devices/.../power/control attribute of the device > in question would help. Are you suggesting that this particular wireless adapter is unable to return to D0 from D3? Larry, what happens if you try the suspend & resume your system while there's a connection? Does a similar error occur during the resume? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
