swapper: page allocation failure. order:0, mode:0x20
 [<c014bb6c>] __alloc_pages+0x2fc/0x420
 [<c014ecff>] kmem_getpages+0x3f/0xd0
 [<c014fb3a>] cache_grow+0xaa/0x220
 [<c014fecd>] cache_alloc_refill+0x21d/0x260
 [<f4a25c70>] br_handle_frame_finish+0x0/0x180 [bridge]
 [<c0150162>] kmem_cache_alloc+0x82/0x90
 [<f4a2a697>] br_nf_pre_routing+0x297/0x490 [bridge]
 [<c02bf4db>] nf_iterate+0x6b/0xa0
 [<f4a25c70>] br_handle_frame_finish+0x0/0x180 [bridge]
 [<f4a25c70>] br_handle_frame_finish+0x0/0x180 [bridge]
 [<c02bf894>] nf_hook_slow+0x64/0x120
 [<f4a25c70>] br_handle_frame_finish+0x0/0x180 [bridge]
 [<f4a25f3d>] br_handle_frame+0x14d/0x250 [bridge]
 [<f4a25c70>] br_handle_frame_finish+0x0/0x180 [bridge]
 [<c02b4224>] netif_receive_skb+0x184/0x2f0
 [<f48a5e20>] e100_poll+0x250/0xaf0 [e100]
 [<c011bf0d>] wake_up_process+0x1d/0x20
 [<f48a5a97>] e100_intr+0x67/0x1a0 [e100]
 [<c02b462e>] net_rx_action+0xee/0x230
 [<c0128b6c>] __do_softirq+0x8c/0x120
 [<c0128c85>] do_softirq+0x85/0x90
 [<c010f1a2>] do_IRQ+0x22/0x30
 [<c01059ae>] evtchn_do_upcall+0x9e/0xe0
 [<c012d42a>] next_timer_interrupt+0x1ca/0x1e0
 [<c010aa58>] hypervisor_callback+0x2c/0x34
 [<c010839e>] xen_idle+0x3e/0x80
 [<c0108445>] cpu_idle+0x65/0xb0
 [<c03fca1f>] start_kernel+0x1af/0x210
 [<c03fc380>] unknown_bootoption+0x0/0x1f0