I've got the same problem on Lenovo G-770. It has also integrated Intel 3000 HD and discrete AMD Raden HD 6650M. When i do
echo DIS > /sys/kernel/debug/vga_switcheroo/switch system freezes. When I try: echo DDIS > /sys/kernel/debug/vga_switcheroo/switch and restart X, then the system also freezes. I've tried Kernel v3.1-rc10-oneiric from your -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/881132 Title: vga_switcheroo makes system freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881132/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
