Team2   Grade 85  Rank 4/5

ctl-C on sender with no one listening caused kernel panic!!

Poor performance with sender drops...

ctl-C on receiver also caused trouble:

   282 Apr 27 10:36:01 teama-vm3 kernel: cop_close: cop_close called.
   283 Apr 27 10:36:01 teama-vm3 kernel:
   284 Apr 27 10:36:01 teama-vm3 kernel: cop_close: Sending FIN1.
   285 Apr 27 10:36:01 teama-vm3 kernel: BUG: unable to handle kernel NULL pointer dereference a
   286 Apr 27 10:36:01 teama-vm3 kernel:  printing eip:
   287 Apr 27 10:36:01 teama-vm3 kernel: f0babc90
   288 Apr 27 10:36:01 teama-vm3 kernel: *pde = 012fe001
   289 Apr 27 10:36:01 teama-vm3 kernel: Oops: 0000 [#1]
   290 Apr 27 10:36:01 teama-vm3 kernel: SMP
   291 Apr 27 10:36:01 teama-vm3 kernel: Modules linked in: cop autofs4 hidp nfs lockd nfs_acl r
   292 Apr 27 10:36:01 teama-vm3 kernel: CPU:    0
   293 Apr 27 10:36:01 teama-vm3 kernel: EIP:    0060:[<f0babc90>]    Tainted: PF     VLI
   294 Apr 27 10:36:01 teama-vm3 kernel: EFLAGS: 00010282   (2.6.18.8 #6)
   295 Apr 27 10:36:01 teama-vm3 kernel: EIP is at __cop_sendmsg+0x54/0x264 [cop]
   296 Apr 27 10:36:01 teama-vm3 kernel: eax: d0d2c780   ebx: d75e4180   ecx: d0d2c780   edx: d6
   297 Apr 27 10:36:01 teama-vm3 kernel: esi: d75e4180   edi: 00000000   ebp: 00000000   esp: c5
   298 Apr 27 10:36:01 teama-vm3 kernel: ds: 007b   es: 007b   ss: 0068
   299 Apr 27 10:36:01 teama-vm3 kernel: Process acopsink (pid: 8028, ti=c5015000 task=d29828d0
   300 Apr 27 10:36:01 teama-vm3 kernel: Stack: 00000000 d0d2c780 d75e4180 00000001 00000000 d5e
   301 Apr 27 10:36:01 teama-vm3 kernel:        f0bac6f6 f0bad085 d75e4180 d5eb4300 d3135c00 c11
   302 Apr 27 10:36:01 teama-vm3 kernel:        c118f02f d5eb4328 d5eb4328 c118f2f7 00000008 c10
   303 Apr 27 10:36:01 teama-vm3 kernel: Call Trace:
   304 Apr 27 10:36:01 teama-vm3 kernel:  [<f0babef7>] cop_sendsupv+0xd/0x12 [cop]
   305 Apr 27 10:36:01 teama-vm3 kernel:  [<f0bac6f6>] cop_close+0x61/0xc3 [cop]
   306 Apr 27 10:36:01 teama-vm3 kernel:  [<c11d1d1a>] inet_release+0x43/0x48
   307 Apr 27 10:36:01 teama-vm3 kernel:  [<c118f02f>] sock_release+0x11/0x86
   308 Apr 27 10:36:01 teama-vm3 kernel:  [<c118f2f7>] sock_close+0x26/0x2a
   309 Apr 27 10:36:01 teama-vm3 kernel:  [<c1064e9b>] __fput+0x9c/0x157
   310 Apr 27 10:36:01 teama-vm3 kernel:  [<c1062987>] filp_close+0x4e/0x54
   311 Apr 27 10:36:01 teama-vm3 kernel:  [<c1024240>] put_files_struct+0x65/0xa7
   312 Apr 27 10:36:01 teama-vm3 kernel:  [<c10251fb>] do_exit+0x20c/0x772
   313 Apr 27 10:36:01 teama-vm3 kernel:  [<c10257d7>] sys_exit_group+0x0/0xd
   314 Apr 27 10:36:01 teama-vm3 kernel:  [<c1003d0b>] syscall_call+0x7/0xb
   315 Apr 27 10:36:01 teama-vm3 kernel: Code: 31 c9 ba 20 00 00 00 8d 45 10 e8 0b 7e 5e d0 85 c
   316 Apr 27 10:36:01 teama-vm3 kernel: EIP: [<f0babc90>] __cop_sendmsg+0x54/0x264 [cop] SS:ESP
   317 Apr 27 10:36:01 teama-vm3 kernel:  <1>Fixing recursive fault but reboot is needed!

Sender BUG: warning

  1116 Apr 27 10:46:50 teama-vm1 kernel: cop_rcv_connack: Client state=> TCP_ESTABLISHED
  1117 Apr 27 10:46:57 teama-vm1 kernel: BUG: warning at kernel/softirq.c:137/local_bh_enable()
  1118 Apr 27 10:46:57 teama-vm1 kernel:  [<c10270da>] local_bh_enable+0x38/0x79
  1119 Apr 27 10:46:57 teama-vm1 kernel:  [<c119921c>] dev_queue_xmit+0x22e/0x24e
  1120 Apr 27 10:46:57 teama-vm1 kernel:  [<c119d6c4>] neigh_resolve_output+0x1af/0x1d9
  1121 Apr 27 10:46:57 teama-vm1 kernel:  [<c11b5725>] ip_output+0x1c0/0x1f7
  1122 Apr 27 10:46:57 teama-vm1 kernel:  [<f0bd0829>] cop_ok_function+0x5e/0x63 [cop]
  1123 Apr 27 10:46:57 teama-vm1 kernel:  [<f0bcfac1>] process_dup_ack+0xba/0x102 [cop]
  1124 Apr 27 10:46:57 teama-vm1 kernel:  [<f0bcfb83>] cop_rcv_ack+0x7a/0x12e [cop]
  1125 Apr 27 10:46:57 teama-vm1 kernel:  [<f0bd03b2>] cop_rcv+0x236/0x268 [cop]
  1126 Apr 27 10:46:57 teama-vm1 kernel:  [<c11b0f96>] ip_local_deliver+0x159/0x203
  1127 Apr 27 10:46:57 teama-vm1 kernel:  [<c11b0e03>] ip_rcv+0x3ec/0x426
  1128 Apr 27 10:46:57 teama-vm1 kernel:  [<c119753b>] netif_receive_skb+0x2b1/0x325
  1129 Apr 27 10:46:57 teama-vm1 kernel:  [<c1198d41>] process_backlog+0x7a/0xe7
  1130 Apr 27 10:46:57 teama-vm1 kernel:  [<c1198f02>] net_rx_action+0x92/0x17e
  1131 Apr 27 10:46:57 teama-vm1 kernel:  [<c1027309>] __do_softirq+0x5a/0xbb
  1132 Apr 27 10:46:57 teama-vm1 kernel:  [<c1005f66>] do_softirq+0x4e/0x94
  1133 Apr 27 10:46:57 teama-vm1 kernel:  =======================
  1134 Apr 27 10:46:57 teama-vm1 kernel:  [<c1005f0f>] do_IRQ+0xa5/0xae
  1135 Apr 27 10:46:57 teama-vm1 kernel:  [<c1004746>] common_interrupt+0x1a/0x20
  1136 Apr 27 10:46:57 teama-vm1 kernel:  [<c1002a54>] default_idle+0x0/0x59
  1137 Apr 27 10:46:57 teama-vm1 kernel:  [<c1002a85>] default_idle+0x31/0x59
  1138 Apr 27 10:46:57 teama-vm1 kernel:  [<c1002b4c>] cpu_idle+0x9f/0xb9
  1139 Apr 27 10:46:57 teama-vm1 kernel:  [<c12c3704>] start_kernel+0x380/0x387
  1140 Apr 27 10:47:29 teama-vm1 ntpd[4941]: synchronized to 128.113.28.67, stratum 2