Description of problem: Kernel module sky2 causes kernel oops when a high network traffic is performed. Version-Release number of selected component (if applicable): kernel-2.6.34.6-54.fc13.x86_64 How reproducible: Under high network traffic. A big download would be fine. Steps to Reproduce: 1. Download a big file 2. Wait a couple of minutes 3. Actual results: eth0: hw csum failure. Pid: 0, comm: swapper Tainted: G D 2.6.34.6-54.fc13.x86_64 #1 Call Trace: <IRQ> [<ffffffff813a6119>] netdev_rx_csum_fault+0x3b/0x3f [<ffffffff8139fdc9>] __skb_checksum_complete_head+0x51/0x65 [<ffffffff8139fdee>] __skb_checksum_complete+0x11/0x13 [<ffffffff8140c80d>] nf_ip_checksum+0xdd/0xe3 [<ffffffff813ccc71>] udp_error+0x130/0x18a [<ffffffff813c8249>] nf_conntrack_in+0x180/0x90e [<ffffffff8121693a>] ? __bitmap_weight+0x40/0x8f [<ffffffff8140ce69>] ipv4_conntrack_in+0x21/0x23 [<ffffffff813c5136>] nf_iterate+0x46/0x89 [<ffffffff813d4c70>] ? ip_rcv_finish+0x0/0x362 [<ffffffff813c51e3>] nf_hook_slow+0x6a/0xcb [<ffffffff813d4c70>] ? ip_rcv_finish+0x0/0x362 [<ffffffff813d4c70>] ? ip_rcv_finish+0x0/0x362 [<ffffffff813d5331>] NF_HOOK.clone.1+0x46/0x58 [<ffffffff813d55eb>] ip_rcv+0x256/0x283 [<ffffffff813a589e>] netif_receive_skb+0x493/0x4b9 [<ffffffff813a6068>] napi_skb_finish+0x29/0x40 [<ffffffff813a60ae>] napi_gro_receive+0x2f/0x34 [<ffffffffa00f7381>] sky2_poll+0x9c5/0xc58 [sky2] [<ffffffff81010261>] ? sched_clock+0x9/0xd [<ffffffff8106b22d>] ? sched_clock_local+0x1c/0x82 [<ffffffff813a5b4f>] net_rx_action+0xaf/0x1ca [<ffffffff81053265>] __do_softirq+0xe5/0x1a6 [<ffffffff8109e0d1>] ? handle_IRQ_event+0x60/0x121 [<ffffffff8100ab5c>] call_softirq+0x1c/0x30 [<ffffffff8100c342>] do_softirq+0x46/0x83 [<ffffffff810530d6>] irq_exit+0x3b/0x7d [<ffffffff81452a4c>] do_IRQ+0xac/0xc3 [<ffffffff8144d193>] ret_from_intr+0x0/0x11 <EOI> [<ffffffff81011879>] ? mwait_idle+0x7a/0x87 [<ffffffff8101182b>] ? mwait_idle+0x2c/0x87 [<ffffffff81008c22>] cpu_idle+0xaa/0xe4 [<ffffffff8143524a>] rest_init+0x7e/0x80 [<ffffffff81baee6f>] start_kernel+0x413/0x41e [<ffffffff81bae2c8>] x86_64_start_reservations+0xb3/0xb7 [<ffffffff81bae3c4>] x86_64_start_kernel+0xf8/0x107 Expected results: The ethernet controller should have worked even on high load Additional info: This is the come back of bug 514693, duplicated to bug 574455 for Fedora 12. The workaround to restore the Internet connection is to remove sky2 module and re-insert it: # rmmod sky2 # modprobe sky2 This is a very irritating problem following Fedora installations since Fedora 11. Downloading of a big file is nearly impossible. You have to retry several times by saving the partial content.
This looks like a hardware problem to me. https://bugzilla.redhat.com/show_bug.cgi?id=527110 What mobo do you have? You seem to be the only person with this problem.
I've got an ancient Intel Desktop Board D915GEV, with a sexy Intel(R) Pentium(R) 4 CPU 3.40GHz CPU with 4 GB RAM (only 3 something the mobo sees): http://www.intel.com/p/en_US/support/highlights/dsktpboards/d915gev And this is my PC at work!
*** This bug has been marked as a duplicate of bug 592398 ***