FWIW the related bug #1070773 is fixed by the kernel 3.8.0-28.41 from raring-proposed - it also containts the necessary patch "radeon: Fix system hang issue when using KMS with older cards".
FWIW the related bug #1070773 is fixed by the kernel 3.8.0-28.41 from raring-proposed - it also containts the necessary patch "radeon: Fix system hang issue when using KMS with older cards".