Hello, On a busy database server I'm getting tons of these w/ 2.6.9 and e1000, no NAPI, no jumbo frames: swapper: page allocation failure. order:1, mode:0x20 [<c0130169>] __alloc_pages+0x2e9/0x30c [<c0274182>] e1000_xmit_frame+0x816/0x820 [<c01301a9>] __get_free_pages+0x1d/0x30 [<c013320a>] kmem_getpages+0x26/0xd4 [<c0133e67>] cache_grow+0xb3/0x148 [<c01340aa>] cache_alloc_refill+0x1ae/0x1fc [<c01342cb>] kmem_cache_alloc+0x43/0x4c [<c02d4b0e>] sk_alloc+0x26/0x98 [<c030591c>] tcp_create_openreq_child+0x24/0x538 [<c0302920>] tcp_v4_syn_recv_sock+0x4c/0x2d8 [<c030606f>] tcp_check_req+0x23f/0x3e0 [<c0274182>] e1000_xmit_frame+0x816/0x820 [<c02eccb6>] ip_output+0x76/0x7c [<c02e3f37>] qdisc_restart+0x1f/0x1e8 [<c02dafd8>] dev_queue_xmit+0x234/0x244 [<c02ecadd>] ip_finish_output+0x165/0x1b0 [<c02eccb6>] ip_output+0x76/0x7c [<c02ed065>] ip_queue_xmit+0x3a9/0x428 [<c01114e4>] recalc_task_prio+0x128/0x138 [<c0111593>] activate_task+0x9f/0xb0 [<c01114e4>] recalc_task_prio+0x128/0x138 [<c0111593>] activate_task+0x9f/0xb0 [<c01114e4>] recalc_task_prio+0x128/0x138 [<c0111593>] activate_task+0x9f/0xb0 [<c01119b6>] try_to_wake_up+0x25a/0x268 [<c011302f>] default_wake_function+0x17/0x1c [<c011302f>] default_wake_function+0x17/0x1c [<c0302bde>] tcp_v4_hnd_req+0x32/0x190 [<c0302bf8>] tcp_v4_hnd_req+0x4c/0x190 [<c0302eff>] tcp_v4_do_rcv+0xbb/0x120 [<c0302ed8>] tcp_v4_do_rcv+0x94/0x120 [<c03033fd>] tcp_v4_rcv+0x499/0x758 [<c02e8843>] ip_route_input+0x33/0x140 [<c02ea254>] ip_local_deliver+0x9c/0x13c [<c02ea641>] ip_rcv+0x34d/0x3ec [<c02db495>] netif_receive_skb+0x149/0x180 [<c02db551>] process_backlog+0x85/0x114 [<c02db660>] net_rx_action+0x80/0x128 [<c011a0ea>] __do_softirq+0x6a/0xd4 [<c011a17c>] do_softirq+0x28/0x30 [<c010649a>] do_IRQ+0x10e/0x124 [<c0104710>] common_interrupt+0x18/0x20 [<c0102149>] default_idle+0x29/0x34 [<c01021cc>] cpu_idle+0x30/0x44 [<c010042f>] rest_init+0x47/0x48 [<c044c7f9>] start_kernel+0x161/0x168 >From following lists, I read this as e1000 in interrupt context tried to allocate two contiguous pages without sleeping, and the "emergency pools" or whatnot weren't full enough? We're not using jumbo frames, ... what is e1000 allocating 8k for? (or am I misreading this?) Also not using TSO, unless it's the default again in 2.6.9. What should I tune to avoid this from happening? Thanks! Brad - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
