hw csum failure

[Michael Eager]

I'm running F15, current update.  p35p1 is eth0.

I'm seeing a lot of the following in /var/log/messages.

Can anyone tell me what this means?


[  694.180201] p35p1: hw csum failure.
[  694.180208] Pid: 0, comm: kworker/0:0 Tainted: P            2.6.40.6-0.fc15.x86_64 #1
[  694.180211] Call Trace:
[  694.180214]  <IRQ>  [<ffffffff813d9425>] netdev_rx_csum_fault+0x38/0x3c
[  694.180228]  [<ffffffff813d3150>] __skb_checksum_complete_head+0x51/0x65
[  694.180233]  [<ffffffff813d3175>] __skb_checksum_complete+0x11/0x13
[  694.180249]  [<ffffffffa0e4aa54>] br_multicast_rcv+0x885/0xd52 [bridge]
[  694.180254]  [<ffffffff8136edbd>] ? uhci_submit_common+0x2a7/0x341
[  694.180265]  [<ffffffffa0e48492>] ? br_nf_pre_routing+0x2f/0x3df [bridge]
[  694.180270]  [<ffffffff813fcb0a>] ? nf_iterate+0x48/0x7d
[  694.180275]  [<ffffffff81370d26>] ? uhci_urb_enqueue+0x7f9/0x81c
[  694.180283]  [<ffffffffa0e435d4>] ? NF_HOOK.constprop.0+0x58/0x58 [bridge]
[  694.180291]  [<ffffffffa0e435d4>] ? NF_HOOK.constprop.0+0x58/0x58 [bridge]
[  694.180296]  [<ffffffff813fcbb1>] ? nf_hook_slow+0x72/0x115
[  694.180304]  [<ffffffffa0e43666>] br_handle_frame_finish+0x92/0x20f [bridge]
[  694.180313]  [<ffffffffa0e435d4>] ? NF_HOOK.constprop.0+0x58/0x58 [bridge]
[  694.180321]  [<ffffffffa0e435cd>] NF_HOOK.constprop.0+0x51/0x58 [bridge]
[  694.180330]  [<ffffffffa0e43989>] br_handle_frame+0x1a6/0x1c1 [bridge]
[  694.180338]  [<ffffffffa0e437e3>] ? br_handle_frame_finish+0x20f/0x20f [bridge]
[  694.180343]  [<ffffffff813d7216>] __netif_receive_skb+0x2c5/0x417
[  694.180348]  [<ffffffff813da6be>] netif_receive_skb+0x6c/0x73
[  694.180361]  [<ffffffff813da754>] napi_skb_finish+0x27/0x3f
[  694.180365]  [<ffffffff813dabab>] napi_gro_receive+0x2f/0x34
[  694.180374]  [<ffffffffa0db7831>] sky2_poll+0x7d6/0x9f2 [sky2]
[  694.180379]  [<ffffffff813dacd7>] net_rx_action+0xa9/0x1b8
[  694.180385]  [<ffffffff8105a9db>] __do_softirq+0xc9/0x1b5
[  694.180390]  [<ffffffff8100e975>] ? paravirt_read_tsc+0x9/0xd
[  694.180395]  [<ffffffff8100ee2c>] ? sched_clock+0x9/0xd
[  694.180399]  [<ffffffff8148ff1c>] call_softirq+0x1c/0x30
[  694.180403]  [<ffffffff8100abb9>] do_softirq+0x46/0x81
[  694.180407]  [<ffffffff8105acbd>] irq_exit+0x57/0xb1
[  694.180412]  [<ffffffff8149079e>] do_IRQ+0x8e/0xa5
[  694.180417]  [<ffffffff81488993>] common_interrupt+0x13/0x13
[  694.180419]  <EOI>  [<ffffffff8100fb75>] ? mwait_idle+0x87/0xb4
[  694.180427]  [<ffffffff8100fb68>] ? mwait_idle+0x7a/0xb4
[  694.180433]  [<ffffffff81008307>] cpu_idle+0xa5/0xdf
[  694.180438]  [<ffffffff81477c93>] start_secondary+0x23f/0x241

-- 
Michael Eager	 eager at eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077