No problemos with x86_64, however on i686 kworker/u16:57: page allocation failure: order:0, mode:0x284000 CPU: 0 PID: 1425 Comm: kworker/u16:57 Not tainted 3.18.0-0.rc5.git0.1.fc22.i686+debug #1 Workqueue: events_unbound async_run_entry_fn Call Trace: [<c0b2b55a>] dump_stack+0x48/0x60 [<c056f3d4>] warn_alloc_failed+0xd4/0x110 [<c0571ade>] __alloc_pages_nodemask+0x81e/0xc30 [<c04e4b65>] ? clockevents_program_event+0x45/0x150 [<c05b81c8>] new_slab+0x258/0x3a0 [<c05b9490>] __slab_alloc.constprop.55+0x5f0/0x790 [<c0b34636>] ? restore_all+0xf/0xf [<c0755622>] ? radix_tree_node_alloc+0x22/0x90 [<c04a9728>] ? __lock_is_held+0x48/0x70 [<c05bac55>] kmem_cache_alloc+0x295/0x3c0 [<c0755622>] ? radix_tree_node_alloc+0x22/0x90 [<c0755622>] radix_tree_node_alloc+0x22/0x90 [<c0755e7c>] __radix_tree_create+0x6c/0x1c0 [<c0756009>] radix_tree_insert+0x39/0xe0 [<c077ae59>] add_dma_entry+0x89/0x150 [<c04121b0>] ? save_stack_trace+0x30/0x50 [<c077b21d>] debug_dma_map_page+0xfd/0x130 [<f83e3578>] nouveau_ttm_tt_populate+0x118/0x230 [nouveau] [<f817de4e>] ttm_tt_bind+0x2e/0x60 [ttm] [<f818016a>] ttm_bo_handle_move_mem+0x4ca/0x560 [ttm] [<f81807fd>] ? ttm_bo_mem_space+0x14d/0x310 [ttm] [<f817eed3>] ? ttm_bo_wait+0x113/0x250 [ttm] [<f81804a3>] ttm_mem_evict_first+0x2a3/0x4b0 [ttm] [<c040c498>] ? sched_clock+0x8/0x10 [<f83eb41d>] ? nv84_fence_sync+0x3d/0x60 [nouveau] [<f8180a23>] ttm_bo_force_list_clean+0x63/0xb0 [ttm] [<f8180c1a>] ttm_bo_evict_mm+0x2a/0x60 [ttm] [<f83dd028>] nouveau_do_suspend+0x78/0x2d0 [nouveau] [<f83dd305>] nouveau_pmops_freeze+0x15/0x20 [nouveau] [<c0798bad>] pci_pm_freeze+0x4d/0xd0 [<c087566f>] dpm_run_callback+0x6f/0x420 [<c0798b60>] ? pci_pm_poweroff+0xe0/0xe0 [<c08764d4>] __device_suspend+0xf4/0x2d0 [<c08766cf>] async_suspend+0x1f/0x90 [<c047d25e>] async_run_entry_fn+0x4e/0x170 [<c04a9728>] ? __lock_is_held+0x48/0x70 [<c0474076>] process_one_work+0x1e6/0x7b0 [<c0473fd1>] ? process_one_work+0x141/0x7b0 [<c0474679>] worker_thread+0x39/0x440 [<c0474640>] ? process_one_work+0x7b0/0x7b0 [<c047999c>] kthread+0xbc/0xd0 [<c0b34401>] ret_from_kernel_thread+0x21/0x30 [<c04798e0>] ? kthread_create_on_node+0x180/0x180 ...
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