On Sun, May 17, 2009 at 11:31:07AM -0300, Glauber Costa wrote: > On Sun, May 17, 2009 at 11:23:47AM +0300, Gleb Natapov wrote: > > On Fri, May 15, 2009 at 08:14:43AM -0400, Glauber Costa wrote: > > > This patch sets bits 1 in disabled processor's _STA. > > > According to the ACPI spec, this bit means: > > > "Set if the device is enabled and decoding its resources." > > > > > > Without it, Windows 2008 device manager shows the processors > > > as malfunctioning hardware. > > > > > If you uncheck "show hidden devices" option in View menu of the > > device manager you should see only enabled CPUs (bit 2 of _STA). > > This patch breaks resume from hibernate on windows 2008/vista. > > The last change on that piece of code was made by you under the comment: > > 1) Disabled processor's _STA method should return 0 (this fixes Vista's > BSOD on resuming after hibernate problem) > > However, you did not changed it to 0, but to 9 instead. What did you meant? > I wrote commit message before changing it to 9 :( I don't remember why I changed it to 9, but I think it was because of Linux CPU hot-plug. > It appears that windows won't accept bit 0 without bit 1 being set. > > However, it works fine in my use case if _STA returns 0 or 8. The only real > problem is, as I said, setting bit 0 but not bit 1. Does any among 0 or 8 > works for your hibernate use case? Can you check Linux cpu hot-plug please. -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
