Hello,
 
On my Xen Server the dmesg log is flooded with this
message all day :
 
Is there any way to find out what is the cause ?
 
thanks
 
printk: 219 messages suppressed.
swapper: page allocation failure. order:0, mode:0x20
 [<c013c663>] __alloc_pages+0x2b3/0x420
 [<c013f671>] kmem_getpages+0x31/0xa0
 [<c0140354>] cache_grow+0xb4/0x190
 [<c01405a3>] cache_alloc_refill+0x173/0x220
 [<c0140869>] kmem_cache_alloc+0x69/0x70
 [<c03854d4>] alloc_skb_from_cache+0x44/0xe0
 [<c0106c63>] __dev_alloc_skb+0x23/0x40
 [<c02af3be>] netif_be_start_xmit+0x9e/0x1d0
 [<c038b508>] dev_queue_xmit+0xe8/0x2a0
 [<c03dcf40>] br_dev_queue_push_xmit+0x0/0x130
 [<c03dcfe5>] br_dev_queue_push_xmit+0xa5/0x130
 [<c0396e31>] nf_hook_slow+0xf1/0x130
 [<c03dcf40>] br_dev_queue_push_xmit+0x0/0x130
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03dd0c9>] br_forward_finish+0x59/0x60
 [<c03dcf40>] br_dev_queue_push_xmit+0x0/0x130
 [<c0396e31>] nf_hook_slow+0xf1/0x130
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03e26c6>] br_nf_forward_finish+0xa6/0x110
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03e29a2>] br_nf_forward_arp+0x132/0x180
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03969ca>] nf_iterate+0x7a/0xb0
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c0396dc2>] nf_hook_slow+0x82/0x130
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03dd1a1>] __br_forward+0x61/0x70
 [<c03dd070>] br_forward_finish+0x0/0x60
 [<c03dd2a0>] br_flood+0x70/0xf0
 [<c03dd140>] __br_forward+0x0/0x70
 [<c03dd378>] br_flood_forward+0x28/0x30
 [<c03dd140>] __br_forward+0x0/0x70
 [<c03ddd9f>] br_handle_frame_finish+0xdf/0x120
 [<c03ddcc0>] br_handle_frame_finish+0x0/0x120
 [<c0396e31>] nf_hook_slow+0xf1/0x130
 [<c03ddcc0>] br_handle_frame_finish+0x0/0x120
 [<c03dded3>] br_handle_frame+0xf3/0x1e0
 [<c03ddcc0>] br_handle_frame_finish+0x0/0x120
 [<c038bb7d>] netif_receive_skb+0xfd/0x240
 [<c0298660>] e100_poll+0x6b0/0x740
 [<c038be95>] net_rx_action+0x85/0x140
 [<c011f8c5>] __do_softirq+0x95/0xb0
 [<c011f92d>] do_softirq+0x4d/0x50
 [<c011f9f5>]
irq_exit+0x35/0x40
 [<c010e99e>] do_IRQ+0x1e/0x30
 [<c0105e61>]
evtchn_do_upcall+0x81/0xa0
 [<c011f92d>] do_softirq+0x4d/0x50
 [<c0109567>] hypervisor_callback+0x37/0x40
 [<c0106fde>]
xen_idle+0x8e/0x150
 [<c01070e2>] cpu_idle+0x42/0x50
 [<c04ee7a8>] start_kernel+0x188/0x1d0
 [<c04ee330>] unknown_bootoption+0x0/0x1d0