Displaying 3 results from an estimated 3 matches for "i915_gem_unmap_dma_buf".
2014 Oct 13
2
v3.17, i915 vs nouveau: possible recursive locking detected
=============================================
[ INFO: possible recursive locking detected ]
3.17.0 #50 Not tainted
---------------------------------------------
Xorg/1170 is trying to acquire lock:
(&dev->struct_mutex){+.+.+.}, at: [<ffffffffa010ae93>] i915_gem_unmap_dma_buf+0x33/0xc0 [i915]
but task is already holding lock:
(&dev->struct_mutex){+.+.+.}, at: [<ffffffffa001cd1a>] drm_gem_object_handle_unreference_unlocked+0xca/0x120 [drm]
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&dev...
2014 Jun 08
0
lockdep splat while exiting PRIME
...===========================================
[ INFO: possible recursive locking detected ]
3.15.0-rc8-custom-00058-gd2cfd31 #1 Tainted: G O
---------------------------------------------
X/25827 is trying to acquire lock:
(&dev->struct_mutex){+.+.+.}, at: [<ffffffffa008ebb6>] i915_gem_unmap_dma_buf+0x36/0xd0 [i915]
but task is already holding lock:
(&dev->struct_mutex){+.+.+.}, at: [<ffffffffa00055c5>] drm_gem_object_handle_unreference_unlocked+0x105/0x130 [drm]
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&dev...
2014 Oct 16
0
[Intel-gfx] v3.17, i915 vs nouveau: possible recursive locking detected
...e:
> =============================================
> [ INFO: possible recursive locking detected ]
> 3.17.0 #50 Not tainted
> ---------------------------------------------
> Xorg/1170 is trying to acquire lock:
> (&dev->struct_mutex){+.+.+.}, at: [<ffffffffa010ae93>] i915_gem_unmap_dma_buf+0x33/0xc0 [i915]
>
> but task is already holding lock:
> (&dev->struct_mutex){+.+.+.}, at: [<ffffffffa001cd1a>] drm_gem_object_handle_unreference_unlocked+0xca/0x120 [drm]
>
> other info that might help us debug this:
> Possible unsafe locking scenario:
>
>...