Bug#763272: workaround

Robert Lange rcl24 at drexel.edu
Sun Sep 28 21:05:45 UTC 2014

I found a reference to the same issue from an Arch user:


The workaround given was to append acpi_osi=\"!Windows 2013\" to the 
GRUB_CMDLINE_LINUX_DEFAULT variable in /etc/default/grub and run 

After doing this, bumblebee is again able to toggle the discrete chip on 
and off.

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