On Mon, Jan 28, 2013 at 1:45 PM, Maarten Lankhorst maarten.lankhorst@canonical.com wrote:
There was a path going into set_con2fb_path if an fb driver was already registered, I just pushed the locking out further on anyone going in there.
it boots on my EFI macbook here.
I cherry picked those patches to my tree, and the full series no longer triggers a lockdep warning. It also no longer locks up during modprobing or vga-switcheroo either.
Tested-by: Maarten Lankhorst maarten.lankhorst@canonical.com
QA reported spurious failures in some kms_flip tests and lockdep splats, somehow both are fixed with the locking. I'm a bit confused how these issues could cause failures in the flip tests, but alas:
Tested-by: Lu Hua huax.lu@intel.com (for all three patches).