Grade: 80      Rank 5/5

Implemented fast retransmission but not receiver buffering.

 Produced occasional faults on close

 33121 Apr 26 17:23:49 teama-vm1 kernel: TEAM1: calling sk_common_release with sk->refcount: 2
 33122 Apr 26 17:23:49 teama-vm1 kernel: TEAM1: cop_destroy write_queue qlen 0
 33123 Apr 26 17:23:49 teama-vm1 kernel: TEAM1: cop_destroy receive_queue qlen  0
 33124 Apr 26 17:23:49 teama-vm1 kernel: BUG: warning at include/net/dst.h:153/dst_release()
 33125 Apr 26 17:23:49 teama-vm1 kernel:  [<c11d1e8c>] inet_sock_destruct+0x16d/0x179
 33126 Apr 26 17:23:49 teama-vm1 kernel:  [<c1190c38>] sk_free+0x1e/0xdf
 33127 Apr 26 17:23:49 teama-vm1 kernel:  [<f0b93875>] cop_close+0xde/0xfc [cop]
 33128 Apr 26 17:23:49 teama-vm1 kernel:  [<c11d1d1a>] inet_release+0x43/0x48
 33129 Apr 26 17:23:49 teama-vm1 kernel:  [<c118f02f>] sock_release+0x11/0x86
 33130 Apr 26 17:23:49 teama-vm1 kernel:  [<c118f2f7>] sock_close+0x26/0x2a
 33131 Apr 26 17:23:49 teama-vm1 kernel:  [<c1064e9b>] __fput+0x9c/0x157
 33132 Apr 26 17:23:49 teama-vm1 kernel:  [<c1062987>] filp_close+0x4e/0x54
 33133 Apr 26 17:23:49 teama-vm1 kernel:  [<c1024240>] put_files_struct+0x65/0xa7
 33134 Apr 26 17:23:49 teama-vm1 kernel:  [<c10251fb>] do_exit+0x20c/0x772
 33135 Apr 26 17:23:49 teama-vm1 kernel:  [<c10257d7>] sys_exit_group+0x0/0xd
 33136 Apr 26 17:23:49 teama-vm1 kernel:  [<c1003d0b>] syscall_call+0x7/0xb
 33137 Apr 26 17:23:49 teama-vm1 kernel: TEAM1: sk->sk_refcount is 0

Failed to deliver all frames on Ack drops...
1272318126 900020
1272318127 602361
Frames recvd =       9961
Drops        =          0
Drop count   =          0
Total        =       9961
Elapsed usec =     702341
Frames/sec   =   14182.57
Mbits / sec  =     113.46
projects/cop10 ==>

Produced miscellaneous other segfaults

 39237 Apr 26 17:45:18 teama-vm1 kernel: BUG: warning at include/net/dst.h:153/dst_release()
 39238 Apr 26 17:45:18 teama-vm1 kernel:  [<c1193429>] __kfree_skb+0x30/0xd7
 39239 Apr 26 17:45:18 teama-vm1 kernel:  [<f0b9112f>] cop_freeclones+0x22/0x50 [cop]
 39240 Apr 26 17:45:18 teama-vm1 kernel:  [<f0b916df>] cop_rcvack+0x6b/0x131 [cop]
 39241 Apr 26 17:45:18 teama-vm1 kernel:  [<f0b9245a>] cop_rcv+0x199/0x395 [cop]
 39242 Apr 26 17:45:18 teama-vm1 kernel:  [<c11b0f96>] ip_local_deliver+0x159/0x203
 39243 Apr 26 17:45:18 teama-vm1 kernel:  [<c11b0e03>] ip_rcv+0x3ec/0x426
 39244 Apr 26 17:45:18 teama-vm1 kernel:  [<c119753b>] netif_receive_skb+0x2b1/0x325
 39245 Apr 26 17:45:18 teama-vm1 kernel:  [<c1198d41>] process_backlog+0x7a/0xe7
 39246 Apr 26 17:45:18 teama-vm1 kernel:  [<c1198f02>] net_rx_action+0x92/0x17e
 39247 Apr 26 17:45:18 teama-vm1 kernel:  [<c1027309>] __do_softirq+0x5a/0xbb
 39248 Apr 26 17:45:18 teama-vm1 kernel:  [<c1005f66>] do_softirq+0x4e/0x94
 39249 Apr 26 17:45:18 teama-vm1 kernel:  =======================
 39250 Apr 26 17:45:18 teama-vm1 kernel:  [<c1005f0f>] do_IRQ+0xa5/0xae
 39251 Apr 26 17:45:18 teama-vm1 kernel:  [<c1004746>] common_interrupt+0x1a/0x20
 39252 Apr 26 17:45:18 teama-vm1 kernel:  [<c1003c4e>] sysenter_past_esp+0x3/0x79
 39253 Apr 26 17:45:18 teama-vm1 kernel: BUG: warning at include/net/dst.h:153/dst_release()
 39254 Apr 26 17:45:18 teama-vm1 kernel:  [<f0b91baf>] __cop_sendmsg+0x322/0x332 [cop]
 39255 Apr 26 17:45:18 teama-vm1 kernel:  [<c11d15d4>] inet_sendmsg+0x35/0x3f
 39256 Apr 26 17:45:18 teama-vm1 kernel:  [<c118e254>] do_sock_write+0xa3/0xaa
 39257 Apr 26 17:45:18 teama-vm1 kernel:  [<c118e782>] sock_aio_write+0x53/0x61
 39258 Apr 26 17:45:18 teama-vm1 kernel:  [<c1063d66>] do_sync_write+0xb6/0xf1
 39259 Apr 26 17:45:18 teama-vm1 kernel:  [<c10333cb>] autoremove_wake_function+0x0/0x2d
 39260 Apr 26 17:45:18 teama-vm1 kernel:  [<c1064630>] vfs_write+0xb2/0x143
 39261 Apr 26 17:45:18 teama-vm1 kernel:  [<c1064c11>] sys_write+0x3c/0x63