Comment 28 for bug 727620

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Johan Fornander (fornander-johan) wrote : Re: [Radeon HD 5650 and 5470] Driver crash during recovery boot and in normal boot (Regression from 2.6.38-3 to -4)

@Bryce: Yes, booting with only discrete or integrated enabled does solve the problem for me as well.

@Dweia: I patched the CMOS for my 3820TG and unlocked the Intel menu. Now I can choose to only have the IGD activated and PEG (radeon) completely shut off drawing zero power. Same thing as going through vga_switcheroo or using the acpi calls but less hassle.