TCP_write_timeout bug

[miguelpinheiro]

After some idle time, the phone loses the internet connection, this is what shows up in the log:

<6>[ 2970.250810 / 08-16 23:25:36.134] tcp_write_timeout: TCP sk=c1ac7300, LAST_ACK State, retry_timer is set to 3, DataScheduler 1.4
<6>[ 2970.250835 / 08-16 23:25:36.134] tcp_write_timeout: TCP sk=c1ac7300, timeout 267024, last rto 25, retransmit 0, backoff 0
<6>[ 2970.750948 / 08-16 23:25:36.634] tcp_write_timeout: TCP sk=c1ac7300, LAST_ACK State, retry_timer is set to 3, DataScheduler 1.4
<6>[ 2970.751039 / 08-16 23:25:36.634] tcp_write_timeout: TCP sk=c1ac7300, timeout 267074, last rto 50, retransmit 1, backoff 1
<6>[ 2971.750979 / 08-16 23:25:37.635] tcp_write_timeout: TCP sk=c1ac7300, LAST_ACK State, retry_timer is set to 3, DataScheduler 1.4
<6>[ 2971.751069 / 08-16 23:25:37.635] tcp_write_timeout: TCP sk=c1ac7300, timeout 267174, last rto 100, retransmit 2, backoff 2
<6>[ 2971.953586 / 08-16 23:25:37.834] tcp_write_timeout: TCP sk=c1ac7300, LAST_ACK State, retry_timer is set to 3, DataScheduler 1.4
<6>[ 2971.953674 / 08-16 23:25:37.834] tcp_write_timeout: TCP sk=c1ac7300, timeout 267374, last rto 100, retransmit 3, backoff 2
<6>[ 2972.950886 / 08-16 23:25:38.834] tcp_write_timeout: TCP sk=c1ac7300, LAST_ACK State, retry_timer is set to 3, DataScheduler 1.4
<6>[ 2972.950913 / 08-16 23:25:38.834] tcp_write_timeout: TCP sk=c1ac7300, timeout 267294, last rto 100, retransmit 4, backoff 2
<6>[ 2974.950939 / 08-16 23:25:40.835] tcp_write_timeout: TCP sk=c1ac7300, LAST_ACK State, retry_timer is set to 3, DataScheduler 1.4
<6>[ 2974.951022 / 08-16 23:25:40.835] tcp_write_timeout: TCP sk=c1ac7300, timeout 267494, last rto 200, retransmit 5, backoff 3
<6>[ 2974.951087 / 08-16 23:25:40.835] tcp_write_timeout: TCP sk=c1ac7300, Reset Connection, DataScheduler 1.4