i915 deadlock on laptop undock

2013-10-08 Thread Roland Dreier
On Mon, Oct 7, 2013 at 11:10 PM, Daniel Vetter wrote: > Can you please boot with drm.debug=0xe, reproduce the issue and then > attach the dmesg. The additional debug spam should shed some light on how > we managed to get into this peculiar situation ... Sure, here it is. Thanks, Roland ---

i915 deadlock on laptop undock

2013-10-08 Thread Roland Dreier
Hi, I have a Lenovo T410s (Ironlake/Arrandale graphics) that I use docked and connected to an external DP monitor (laptop is closed so the only active display is the DP monitor). With 3.12-rc4 I reproducably hit a deadlock when I undock the laptop -- it seems to be a deadlock on dev->mode_confix.