DEBUG_LOCKS_WARN_ON(sem->owner != ((struct task_struct *)(1UL << 0)))

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I've been occasionally getting the debugging warnings seen in the
attached kernel log excerpt. Only for piglit amd_pinned_memory and for
libdrm amdgpu_test, so I suspect it's pointing at a userptr related
issue. Christian, any ideas?


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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