If you have a Lenovo IdeaPad Y470 or Lenovo IdeaPad Y570, you are affected for sure. This hack does **not** work for other machines as the models are hardcoded. As for ACPI in general, do not set either of the boot options noacpi, pci=noacpi or anything that disabled ACPI.
On Sun, Feb 5, 2012 at 10:13 AM, 郑涛 <wlim...@gmail.com> wrote: > how to find whether the linux suppot my laptop acpi? > > 2012/2/4 Lekensteyn <lekenst...@gmail.com> > >> Hello all, >> >> Good news for all owners of the Lenovo IdeaPad Y470 and Lenovo IdeaPad >> Y570, I've >> managed to make an ugly hack that works around a detection issue in the >> kernel >> (https://bugzilla.kernel.org/show_bug.cgi?id=42696) >> >> Until a correct fix has been comitted for the kernel, you can use a hack >> for overwriting >> the wrongly detected ACPI handle. More information on that is available >> in: >> >> https://github.com/Bumblebee-Project/bbswitch/issues/2#issuecomment-3797568 >> >> Please note that this hack is by no means a real solution, but an ugly >> workaround. >> >> Regards, >> Peter >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~hybrid-graphics-linux >> Post to : hybrid-graphics-linux@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux >> More help : https://help.launchpad.net/ListHelp >> >> >
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