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Topic: TP-Link AC1750 usb tether disconnect problem

The content of this topic has been archived on 4 May 2018. There are no obvious gaps in this topic, but there may still be some posts missing at the end.

I used the Luci interface to assign usb0 port to wan after installing the required kmod's. This works fantastic and is super easy until it disconnects start occuring. It seems to have the problem usually around the time the phone (s6) becomes fully charged. At that point I can no longer get the usb tether to turn on. The kernel log has an excessive amount of new-high speed usb device numbers as well.

After reviewing the sticky on usb problems I don't know or understand if the problem is related.

Could someone help point me in the right direction for figuring out what to do next?

System Log from startup usb0 connected

Sun Aug 23 17:47:03 2015 daemon.notice netifd: Interface 'wan6' is now up
Sun Aug 23 17:47:03 2015 user.notice firewall: Reloading firewall due to ifup of wan6 (usb0)
Sun Aug 23 17:47:04 2015 daemon.warn odhcpd[811]: A default route is present but there is no public prefix on br-lan thus we don't announce a default route!
Sun Aug 23 17:47:04 2015 daemon.info dnsmasq[1445]: reading /tmp/resolv.conf.auto
Sun Aug 23 17:47:04 2015 daemon.info dnsmasq[1445]: using local addresses only for domain lan
Sun Aug 23 17:47:04 2015 daemon.info dnsmasq[1445]: using nameserver 8.8.4.4#53
Sun Aug 23 17:47:04 2015 daemon.info dnsmasq[1445]: using nameserver fe80::b043:d8ff:fe0e:4a44#53

Kernel Log from startup usb0 connected

[ 1088.340000] usb 2-1: new high-speed USB device number 2 using ehci-platform
[ 1104.010000] usb 2-1: USB disconnect, device number 2
[ 1104.390000] usb 2-1: new high-speed USB device number 3 using ehci-platform
[ 1104.550000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34


System Log after disconnect/ usb tethering turns off

Sun Aug 23 19:23:00 2015 daemon.notice netifd: wan (3558): udhcpc: option -h NAME is deprecated, use -x hostname:NAME
Sun Aug 23 19:23:00 2015 daemon.notice netifd: wan (3558): udhcpc (v1.22.1) started
Sun Aug 23 19:23:00 2015 daemon.notice netifd: wan (3558): Sending discover...
Sun Aug 23 19:23:00 2015 daemon.notice netifd: wan (3558): Sending select for 192.168.42.215...
Sun Aug 23 19:23:00 2015 daemon.notice netifd: wan (3558): Lease of 192.168.42.215 obtained, lease time 3600
Sun Aug 23 19:23:00 2015 daemon.warn dnsmasq[3474]: no servers found in /tmp/resolv.conf.auto, will retry
Sun Aug 23 19:23:00 2015 daemon.notice netifd: Interface 'wan6' is enabled
Sun Aug 23 19:23:00 2015 daemon.notice netifd: Network alias 'usb0' link is up
Sun Aug 23 19:23:00 2015 daemon.notice netifd: Interface 'wan6' has link connectivity 
Sun Aug 23 19:23:00 2015 daemon.notice netifd: Interface 'wan6' is setting up now
Sun Aug 23 19:23:00 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Aug 23 19:23:00 2015 daemon.notice odhcp6c[3584]: (re)starting transaction on usb0
Sun Aug 23 19:23:00 2015 daemon.notice odhcp6c[3584]: Starting SOLICIT transaction (timeout 4294967295s, max rc 0)
Sun Aug 23 19:23:01 2015 user.notice firewall: Reloading firewall due to ifup of wan (usb0)
Sun Aug 23 19:23:01 2015 kern.info kernel: [ 6879.240000] usb 2-1: USB disconnect, device number 10
Sun Aug 23 19:23:01 2015 kern.info kernel: [ 6879.240000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
Sun Aug 23 19:23:01 2015 daemon.notice odhcp6c[3584]: carrier => 0 event on usb0
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Network device 'usb0' link is down
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Network alias 'usb0' link is down
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan6' has link connectivity loss
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan' has link connectivity loss
Sun Aug 23 19:23:01 2015 daemon.notice odhcp6c[3584]: (re)starting transaction on usb0
Sun Aug 23 19:23:01 2015 daemon.notice odhcp6c[3584]: Starting SOLICIT transaction (timeout 4294967295s, max rc 0)
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan6' is now down
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan6' is disabled
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan' is disabled
Sun Aug 23 19:23:01 2015 daemon.notice netifd: wan (3558): udhcpc: SIOCGIFINDEX: No such device
Sun Aug 23 19:23:01 2015 daemon.notice netifd: wan (3558): Received SIGTERM
Sun Aug 23 19:23:01 2015 kern.info kernel: [ 6879.580000] usb 2-1: new high-speed USB device number 11 using ehci-platform
Sun Aug 23 19:23:01 2015 kern.info kernel: [ 6879.750000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan' is enabled
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Network device 'usb0' link is up
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan' has link connectivity 
Sun Aug 23 19:23:01 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): udhcpc: option -h NAME is deprecated, use -x hostname:NAME
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): udhcpc (v1.22.1) started
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): Sending discover...
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): Sending select for 192.168.42.215...
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): Lease of 192.168.42.215 obtained, lease time 3600
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan6' is enabled
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Network alias 'usb0' link is up
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan6' has link connectivity 
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan6' is setting up now
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Aug 23 19:23:02 2015 kern.info kernel: [ 6880.130000] usb 2-1: USB disconnect, device number 11
Sun Aug 23 19:23:02 2015 kern.info kernel: [ 6880.140000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Network device 'usb0' link is down
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Network alias 'usb0' link is down
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan6' has link connectivity loss
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan' has link connectivity loss
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): udhcpc: SIOCGIFINDEX: No such device
Sun Aug 23 19:23:02 2015 daemon.notice netifd: wan (3712): Received SIGTERM
Sun Aug 23 19:23:02 2015 user.notice firewall: Reloading firewall due to ifup of wan (usb0)
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan6' is now down
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan6' is disabled
Sun Aug 23 19:23:02 2015 daemon.notice netifd: Interface 'wan' is disabled
Sun Aug 23 19:23:02 2015 kern.info kernel: [ 6880.470000] usb 2-1: new high-speed USB device number 12 using ehci-platform
Sun Aug 23 19:23:03 2015 kern.info kernel: [ 6880.910000] usb 2-1: new high-speed USB device number 13 using ehci-platform
Sun Aug 23 19:23:03 2015 kern.info kernel: [ 6881.350000] usb 2-1: new high-speed USB device number 14 using ehci-platform
Sun Aug 23 19:23:03 2015 kern.info kernel: [ 6881.790000] usb 2-1: new high-speed USB device number 15 using ehci-platform
Sun Aug 23 19:23:04 2015 kern.err kernel: [ 6882.390000] usb 2-1: device not accepting address 15, error -71
Sun Aug 23 19:23:04 2015 kern.info kernel: [ 6882.730000] usb 2-1: new high-speed USB device number 17 using ehci-platform
Sun Aug 23 19:23:05 2015 kern.err kernel: [ 6882.970000] usb 2-1: device descriptor read/all, error -71
Sun Aug 23 19:23:05 2015 kern.info kernel: [ 6883.320000] usb 2-1: new high-speed USB device number 19 using ehci-platform
Sun Aug 23 19:23:05 2015 kern.info kernel: [ 6883.760000] usb 2-1: new high-speed USB device number 20 using ehci-platform
Sun Aug 23 19:23:06 2015 kern.info kernel: [ 6884.200000] usb 2-1: new high-speed USB device number 21 using ehci-platform
Sun Aug 23 19:23:06 2015 kern.info kernel: [ 6884.640000] usb 2-1: new high-speed USB device number 22 using ehci-platform
Sun Aug 23 19:23:13 2015 kern.info kernel: [ 6891.440000] usb 2-1: USB disconnect, device number 22
Sun Aug 23 19:23:13 2015 kern.info kernel: [ 6891.770000] usb 2-1: new high-speed USB device number 23 using ehci-platform
Sun Aug 23 19:23:29 2015 kern.info kernel: [ 6907.710000] usb 2-1: USB disconnect, device number 23
Sun Aug 23 19:23:30 2015 kern.info kernel: [ 6908.000000] usb 2-1: new high-speed USB device number 24 using ehci-platform
Sun Aug 23 19:23:35 2015 kern.info kernel: [ 6913.790000] usb 2-1: USB disconnect, device number 24
Sun Aug 23 19:23:36 2015 kern.info kernel: [ 6914.090000] usb 2-1: new high-speed USB device number 25 using ehci-platform
Sun Aug 23 19:23:39 2015 kern.info kernel: [ 6917.330000] usb 2-1: USB disconnect, device number 25
Sun Aug 23 19:23:39 2015 kern.info kernel: [ 6917.620000] usb 2-1: new high-speed USB device number 26 using ehci-platform
Sun Aug 23 19:23:47 2015 kern.info kernel: [ 6925.310000] usb 2-1: USB disconnect, device number 26
Sun Aug 23 19:23:47 2015 kern.info kernel: [ 6925.600000] usb 2-1: new high-speed USB device number 27 using ehci-platform
Sun Aug 23 19:23:50 2015 kern.info kernel: [ 6928.600000] usb 2-1: USB disconnect, device number 27
Sun Aug 23 19:23:51 2015 kern.info kernel: [ 6928.900000] usb 2-1: new high-speed USB device number 28 using ehci-platform
Sun Aug 23 19:23:53 2015 kern.info kernel: [ 6931.720000] usb 2-1: USB disconnect, device number 28
Sun Aug 23 19:23:54 2015 kern.info kernel: [ 6932.010000] usb 2-1: new high-speed USB device number 29 using ehci-platform
Sun Aug 23 19:23:57 2015 kern.info kernel: [ 6935.520000] usb 2-1: USB disconnect, device number 29
Sun Aug 23 19:23:57 2015 kern.info kernel: [ 6935.820000] usb 2-1: new high-speed USB device number 30 using ehci-platform
Sun Aug 23 19:24:01 2015 kern.info kernel: [ 6939.710000] usb 2-1: USB disconnect, device number 30
Sun Aug 23 19:24:02 2015 kern.info kernel: [ 6940.000000] usb 2-1: new high-speed USB device number 31 using ehci-platform
Sun Aug 23 19:24:03 2015 kern.info kernel: [ 6941.420000] usb 2-1: USB disconnect, device number 31
Sun Aug 23 19:24:03 2015 kern.info kernel: [ 6941.710000] usb 2-1: new high-speed USB device number 32 using ehci-platform
Sun Aug 23 19:24:04 2015 kern.info kernel: [ 6942.360000] usb 2-1: USB disconnect, device number 32
Sun Aug 23 19:24:04 2015 kern.info kernel: [ 6942.650000] usb 2-1: new high-speed USB device number 33 using ehci-platform
Sun Aug 23 19:24:10 2015 kern.info kernel: [ 6948.400000] usb 2-1: USB disconnect, device number 33
Sun Aug 23 19:24:10 2015 kern.info kernel: [ 6948.690000] usb 2-1: new high-speed USB device number 34 using ehci-platform
Sun Aug 23 19:24:14 2015 kern.info kernel: [ 6951.990000] usb 2-1: USB disconnect, device number 34
Sun Aug 23 19:24:14 2015 kern.info kernel: [ 6952.280000] usb 2-1: new high-speed USB device number 35 using ehci-platform
Sun Aug 23 19:24:17 2015 kern.info kernel: [ 6955.460000] usb 2-1: USB disconnect, device number 35
Sun Aug 23 19:24:17 2015 kern.info kernel: [ 6955.750000] usb 2-1: new high-speed USB device number 36 using ehci-platform
Sun Aug 23 19:24:20 2015 kern.info kernel: [ 6958.740000] usb 2-1: USB disconnect, device number 36
Sun Aug 23 19:24:21 2015 kern.info kernel: [ 6959.030000] usb 2-1: new high-speed USB device number 37 using ehci-platform
Sun Aug 23 19:24:21 2015 kern.info kernel: [ 6959.220000] usb 2-1: USB disconnect, device number 37
Sun Aug 23 19:24:21 2015 kern.info kernel: [ 6959.520000] usb 2-1: new high-speed USB device number 38 using ehci-platform
Sun Aug 23 19:24:26 2015 kern.info kernel: [ 6964.820000] usb 2-1: USB disconnect, device number 38
Sun Aug 23 19:24:27 2015 kern.info kernel: [ 6965.100000] usb 2-1: new high-speed USB device number 39 using ehci-platform
Sun Aug 23 19:24:29 2015 kern.info kernel: [ 6967.870000] usb 2-1: USB disconnect, device number 39
Sun Aug 23 19:24:30 2015 kern.info kernel: [ 6968.160000] usb 2-1: new high-speed USB device number 40 using ehci-platform
Sun Aug 23 19:24:37 2015 kern.info kernel: [ 6975.230000] usb 2-1: USB disconnect, device number 40
Sun Aug 23 19:24:37 2015 kern.info kernel: [ 6975.530000] usb 2-1: new high-speed USB device number 41 using ehci-platform
Sun Aug 23 19:24:41 2015 kern.info kernel: [ 6978.940000] usb 2-1: USB disconnect, device number 41
Sun Aug 23 19:24:41 2015 kern.info kernel: [ 6979.240000] usb 2-1: new high-speed USB device number 42 using ehci-platform
Sun Aug 23 19:24:43 2015 kern.info kernel: [ 6981.840000] usb 2-1: USB disconnect, device number 42
Sun Aug 23 19:24:44 2015 kern.info kernel: [ 6982.130000] usb 2-1: new high-speed USB device number 43 using ehci-platform
Sun Aug 23 19:24:46 2015 kern.info kernel: [ 6984.860000] usb 2-1: USB disconnect, device number 43
Sun Aug 23 19:24:47 2015 kern.info kernel: [ 6985.150000] usb 2-1: new high-speed USB device number 44 using ehci-platform
Sun Aug 23 19:24:50 2015 kern.info kernel: [ 6987.890000] usb 2-1: USB disconnect, device number 44
Sun Aug 23 19:24:50 2015 kern.info kernel: [ 6988.190000] usb 2-1: new high-speed USB device number 45 using ehci-platform
Sun Aug 23 19:25:09 2015 kern.info kernel: [ 7007.230000] usb 2-1: USB disconnect, device number 45
Sun Aug 23 19:25:09 2015 kern.info kernel: [ 7007.610000] usb 2-1: new high-speed USB device number 46 using ehci-platform
Sun Aug 23 19:25:09 2015 kern.info kernel: [ 7007.770000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
Sun Aug 23 19:25:09 2015 daemon.notice netifd: Interface 'wan' is enabled
Sun Aug 23 19:25:09 2015 daemon.notice netifd: Network device 'usb0' link is up
Sun Aug 23 19:25:09 2015 daemon.notice netifd: Interface 'wan' has link connectivity 
Sun Aug 23 19:25:09 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Aug 23 19:25:10 2015 daemon.notice netifd: wan (4046): udhcpc: option -h NAME is deprecated, use -x hostname:NAME
Sun Aug 23 19:25:10 2015 daemon.notice netifd: wan (4046): udhcpc (v1.22.1) started
Sun Aug 23 19:25:10 2015 daemon.notice netifd: wan (4046): Sending discover...
Sun Aug 23 19:25:10 2015 daemon.notice netifd: wan (4046): Sending select for 192.168.42.215...
Sun Aug 23 19:25:10 2015 daemon.notice netifd: wan (4046): Lease of 192.168.42.215 obtained, lease time 3600
Sun Aug 23 19:25:10 2015 daemon.notice netifd: Interface 'wan6' is enabled
Sun Aug 23 19:25:10 2015 daemon.notice netifd: Network alias 'usb0' link is up
Sun Aug 23 19:25:10 2015 daemon.notice netifd: Interface 'wan6' has link connectivity 
Sun Aug 23 19:25:10 2015 daemon.notice netifd: Interface 'wan6' is setting up now
Sun Aug 23 19:25:10 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Aug 23 19:25:10 2015 daemon.notice odhcp6c[4070]: (re)starting transaction on usb0
Sun Aug 23 19:25:10 2015 daemon.notice odhcp6c[4070]: Starting SOLICIT transaction (timeout 4294967295s, max rc 0)
Sun Aug 23 19:25:10 2015 user.notice firewall: Reloading firewall due to ifup of wan (usb0)
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[3474]: exiting on receipt of SIGTERM
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: started, version 2.71 cachesize 150
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: compile time options: IPv6 GNU-getopt no-DBus no-i18n no-IDN DHCP no-DHCPv6 no-Lua TFTP no-conntrack no-ipset no-auth no-DNSSEC
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq-dhcp[4123]: DHCP, IP range 192.168.1.100 -- 192.168.1.249, lease time 12h
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: using local addresses only for domain lan
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: reading /tmp/resolv.conf.auto
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: using local addresses only for domain lan
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: using nameserver 8.8.4.4#53
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: read /etc/hosts - 1 addresses
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq[4123]: read /tmp/hosts/dhcp - 1 addresses
Sun Aug 23 19:25:10 2015 daemon.info dnsmasq-dhcp[4123]: read /etc/ethers - 0 addresses
Sun Aug 23 19:25:22 2015 daemon.notice netifd: Interface 'wan6' is now up
Sun Aug 23 19:25:22 2015 user.notice firewall: Reloading firewall due to ifup of wan6 (usb0)
Sun Aug 23 19:25:23 2015 daemon.warn odhcpd[811]: A default route is present but there is no public prefix on br-lan thus we don't announce a default route!
Sun Aug 23 19:25:24 2015 daemon.info dnsmasq[4123]: reading /tmp/resolv.conf.auto
Sun Aug 23 19:25:24 2015 daemon.info dnsmasq[4123]: using local addresses only for domain lan
Sun Aug 23 19:25:24 2015 daemon.info dnsmasq[4123]: using nameserver 8.8.4.4#53
Sun Aug 23 19:25:24 2015 daemon.info dnsmasq[4123]: using nameserver fe80::8cec:b8ff:fe38:446c#53
Sun Aug 23 19:26:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: authenticated
Sun Aug 23 19:26:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: associated (aid 2)
Sun Aug 23 19:26:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: disassociated
Sun Aug 23 19:26:04 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Sun Aug 23 19:28:45 2015 daemon.info hostapd: wlan1: STA 00:1d:0d:64:61:3b WPA: group key handshake completed (RSN)
Sun Aug 23 19:31:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: authenticated
Sun Aug 23 19:31:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: associated (aid 2)
Sun Aug 23 19:31:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: disassociated
Sun Aug 23 19:31:04 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Sun Aug 23 19:31:31 2015 daemon.warn odhcpd[811]: A default route is present but there is no public prefix on br-lan thus we don't announce a default route!
Sun Aug 23 19:36:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: authenticated
Sun Aug 23 19:36:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: associated (aid 2)
Sun Aug 23 19:36:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: disassociated
Sun Aug 23 19:36:04 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Sun Aug 23 19:38:45 2015 daemon.info hostapd: wlan1: STA 00:1d:0d:64:61:3b WPA: group key handshake completed (RSN)
Sun Aug 23 19:39:54 2015 daemon.warn odhcpd[811]: A default route is present but there is no public prefix on br-lan thus we don't announce a default route!
Sun Aug 23 19:41:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: authenticated
Sun Aug 23 19:41:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: associated (aid 2)
Sun Aug 23 19:41:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: disassociated
Sun Aug 23 19:41:04 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Sun Aug 23 19:44:44 2015 daemon.warn odhcpd[811]: A default route is present but there is no public prefix on br-lan thus we don't announce a default route!
Sun Aug 23 19:46:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: authenticated
Sun Aug 23 19:46:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: associated (aid 2)
Sun Aug 23 19:46:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: disassociated
Sun Aug 23 19:46:04 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Sun Aug 23 19:48:45 2015 daemon.info hostapd: wlan1: STA 00:1d:0d:64:61:3b WPA: group key handshake completed (RSN)
Sun Aug 23 19:51:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: authenticated
Sun Aug 23 19:51:02 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: associated (aid 2)
Sun Aug 23 19:51:03 2015 daemon.info hostapd: wlan1: STA 90:b6:86:7f:b8:f4 IEEE 802.11: disassociated

Kernel log to match disconnect

[ 3945.000000] usb 2-1: USB disconnect, device number 3
[ 3945.010000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 3945.410000] usb 2-1: new high-speed USB device number 4 using ehci-platform
[ 3949.060000] usb 2-1: USB disconnect, device number 4
[ 3949.430000] usb 2-1: new high-speed USB device number 5 using ehci-platform
[ 3949.590000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 3969.920000] usb 2-1: USB disconnect, device number 5
[ 3969.930000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 3986.520000] usb 2-1: new high-speed USB device number 6 using ehci-platform
[ 4035.200000] usb 2-1: USB disconnect, device number 6
[ 4035.500000] usb 2-1: new high-speed USB device number 7 using ehci-platform
[ 4035.660000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 6875.820000] usb 2-1: USB disconnect, device number 7
[ 6875.830000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 6876.150000] usb 2-1: new high-speed USB device number 8 using ehci-platform
[ 6876.310000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 6876.740000] usb 2-1: USB disconnect, device number 8
[ 6876.750000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 6877.100000] usb 2-1: new high-speed USB device number 9 using ehci-platform
[ 6877.270000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 6877.920000] usb 2-1: USB disconnect, device number 9
[ 6877.960000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 6878.280000] usb 2-1: new high-speed USB device number 10 using ehci-platform
[ 6878.440000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 6879.240000] usb 2-1: USB disconnect, device number 10
[ 6879.240000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 6879.580000] usb 2-1: new high-speed USB device number 11 using ehci-platform
[ 6879.750000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 6880.130000] usb 2-1: USB disconnect, device number 11
[ 6880.140000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 6880.470000] usb 2-1: new high-speed USB device number 12 using ehci-platform
[ 6880.910000] usb 2-1: new high-speed USB device number 13 using ehci-platform
[ 6881.350000] usb 2-1: new high-speed USB device number 14 using ehci-platform
[ 6881.790000] usb 2-1: new high-speed USB device number 15 using ehci-platform
[ 6882.390000] usb 2-1: device not accepting address 15, error -71
[ 6882.730000] usb 2-1: new high-speed USB device number 17 using ehci-platform
[ 6882.970000] usb 2-1: device descriptor read/all, error -71
[ 6883.320000] usb 2-1: new high-speed USB device number 19 using ehci-platform
[ 6883.760000] usb 2-1: new high-speed USB device number 20 using ehci-platform
[ 6884.200000] usb 2-1: new high-speed USB device number 21 using ehci-platform
[ 6884.640000] usb 2-1: new high-speed USB device number 22 using ehci-platform
[ 6891.440000] usb 2-1: USB disconnect, device number 22
[ 6891.770000] usb 2-1: new high-speed USB device number 23 using ehci-platform
[ 6907.710000] usb 2-1: USB disconnect, device number 23
[ 6908.000000] usb 2-1: new high-speed USB device number 24 using ehci-platform
[ 6913.790000] usb 2-1: USB disconnect, device number 24
[ 6914.090000] usb 2-1: new high-speed USB device number 25 using ehci-platform
[ 6917.330000] usb 2-1: USB disconnect, device number 25
[ 6917.620000] usb 2-1: new high-speed USB device number 26 using ehci-platform
[ 6925.310000] usb 2-1: USB disconnect, device number 26
[ 6925.600000] usb 2-1: new high-speed USB device number 27 using ehci-platform
[ 6928.600000] usb 2-1: USB disconnect, device number 27
[ 6928.900000] usb 2-1: new high-speed USB device number 28 using ehci-platform
[ 6931.720000] usb 2-1: USB disconnect, device number 28
[ 6932.010000] usb 2-1: new high-speed USB device number 29 using ehci-platform
[ 6935.520000] usb 2-1: USB disconnect, device number 29
[ 6935.820000] usb 2-1: new high-speed USB device number 30 using ehci-platform
[ 6939.710000] usb 2-1: USB disconnect, device number 30
[ 6940.000000] usb 2-1: new high-speed USB device number 31 using ehci-platform
[ 6941.420000] usb 2-1: USB disconnect, device number 31
[ 6941.710000] usb 2-1: new high-speed USB device number 32 using ehci-platform
[ 6942.360000] usb 2-1: USB disconnect, device number 32
[ 6942.650000] usb 2-1: new high-speed USB device number 33 using ehci-platform
[ 6948.400000] usb 2-1: USB disconnect, device number 33
[ 6948.690000] usb 2-1: new high-speed USB device number 34 using ehci-platform
[ 6951.990000] usb 2-1: USB disconnect, device number 34
[ 6952.280000] usb 2-1: new high-speed USB device number 35 using ehci-platform
[ 6955.460000] usb 2-1: USB disconnect, device number 35
[ 6955.750000] usb 2-1: new high-speed USB device number 36 using ehci-platform
[ 6958.740000] usb 2-1: USB disconnect, device number 36
[ 6959.030000] usb 2-1: new high-speed USB device number 37 using ehci-platform
[ 6959.220000] usb 2-1: USB disconnect, device number 37
[ 6959.520000] usb 2-1: new high-speed USB device number 38 using ehci-platform
[ 6964.820000] usb 2-1: USB disconnect, device number 38
[ 6965.100000] usb 2-1: new high-speed USB device number 39 using ehci-platform
[ 6967.870000] usb 2-1: USB disconnect, device number 39
[ 6968.160000] usb 2-1: new high-speed USB device number 40 using ehci-platform
[ 6975.230000] usb 2-1: USB disconnect, device number 40
[ 6975.530000] usb 2-1: new high-speed USB device number 41 using ehci-platform
[ 6978.940000] usb 2-1: USB disconnect, device number 41
[ 6979.240000] usb 2-1: new high-speed USB device number 42 using ehci-platform
[ 6981.840000] usb 2-1: USB disconnect, device number 42
[ 6982.130000] usb 2-1: new high-speed USB device number 43 using ehci-platform
[ 6984.860000] usb 2-1: USB disconnect, device number 43
[ 6985.150000] usb 2-1: new high-speed USB device number 44 using ehci-platform
[ 6987.890000] usb 2-1: USB disconnect, device number 44
[ 6988.190000] usb 2-1: new high-speed USB device number 45 using ehci-platform
[ 7007.230000] usb 2-1: USB disconnect, device number 45
[ 7007.610000] usb 2-1: new high-speed USB device number 46 using ehci-platform
[ 7007.770000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8568.260000] usb 2-1: USB disconnect, device number 46
[ 8568.270000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8568.610000] usb 2-1: new high-speed USB device number 47 using ehci-platform
[ 8568.770000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8569.240000] usb 2-1: USB disconnect, device number 47
[ 8569.250000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8569.600000] usb 2-1: new high-speed USB device number 48 using ehci-platform
[ 8569.780000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8570.340000] usb 2-1: USB disconnect, device number 48
[ 8570.360000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8570.680000] usb 2-1: new high-speed USB device number 49 using ehci-platform
[ 8571.120000] usb 2-1: new high-speed USB device number 50 using ehci-platform
[ 8571.570000] usb 2-1: new high-speed USB device number 51 using ehci-platform
[ 8572.010000] usb 2-1: new high-speed USB device number 52 using ehci-platform
[ 8572.490000] usb 2-1: new high-speed USB device number 53 using ehci-platform
[ 8591.310000] usb 2-1: USB disconnect, device number 53
[ 8591.600000] usb 2-1: new high-speed USB device number 54 using ehci-platform
[ 8596.820000] usb 2-1: USB disconnect, device number 54
[ 8597.120000] usb 2-1: new high-speed USB device number 55 using ehci-platform
[ 8603.630000] usb 2-1: USB disconnect, device number 55
[ 8603.920000] usb 2-1: new high-speed USB device number 56 using ehci-platform
[ 8607.150000] usb 2-1: USB disconnect, device number 56
[ 8607.450000] usb 2-1: new high-speed USB device number 57 using ehci-platform
[ 8612.290000] usb 2-1: USB disconnect, device number 57
[ 8612.580000] usb 2-1: new high-speed USB device number 58 using ehci-platform
[ 8622.900000] usb 2-1: USB disconnect, device number 58
[ 8623.190000] usb 2-1: new high-speed USB device number 59 using ehci-platform
[ 8630.270000] usb 2-1: USB disconnect, device number 59
[ 8630.560000] usb 2-1: new high-speed USB device number 60 using ehci-platform
[ 8647.270000] usb 2-1: USB disconnect, device number 60
[ 8647.560000] usb 2-1: new high-speed USB device number 61 using ehci-platform
[ 8653.500000] usb 2-1: USB disconnect, device number 61
[ 8653.790000] usb 2-1: new high-speed USB device number 62 using ehci-platform
[ 8658.700000] usb 2-1: USB disconnect, device number 62
[ 8658.990000] usb 2-1: new high-speed USB device number 63 using ehci-platform
[ 8677.520000] usb 2-1: USB disconnect, device number 63
[ 8677.820000] usb 2-1: new high-speed USB device number 64 using ehci-platform
[ 8678.770000] usb 2-1: USB disconnect, device number 64
[ 8679.060000] usb 2-1: new high-speed USB device number 65 using ehci-platform
[ 8684.990000] usb 2-1: USB disconnect, device number 65
[ 8685.280000] usb 2-1: new high-speed USB device number 66 using ehci-platform
[ 8685.710000] usb 2-1: USB disconnect, device number 66
[ 8686.000000] usb 2-1: new high-speed USB device number 67 using ehci-platform
[ 8686.730000] usb 2-1: USB disconnect, device number 67
[ 8687.020000] usb 2-1: new high-speed USB device number 68 using ehci-platform
[ 8687.390000] usb 2-1: USB disconnect, device number 68
[ 8687.680000] usb 2-1: new high-speed USB device number 69 using ehci-platform
[ 8688.100000] usb 2-1: USB disconnect, device number 69
[ 8688.390000] usb 2-1: new high-speed USB device number 70 using ehci-platform
[ 8689.570000] usb 2-1: USB disconnect, device number 70
[ 8689.870000] usb 2-1: new high-speed USB device number 71 using ehci-platform
[ 8691.670000] usb 2-1: USB disconnect, device number 71
[ 8691.970000] usb 2-1: new high-speed USB device number 72 using ehci-platform
[ 8693.830000] usb 2-1: USB disconnect, device number 72
[ 8694.120000] usb 2-1: new high-speed USB device number 73 using ehci-platform
[ 8791.440000] usb 2-1: USB disconnect, device number 73
[ 8791.740000] usb 2-1: new high-speed USB device number 74 using ehci-platform
[ 8792.370000] usb 2-1: USB disconnect, device number 74
[ 8792.680000] usb 2-1: new high-speed USB device number 75 using ehci-platform
[ 8795.550000] usb 2-1: USB disconnect, device number 75
[ 8795.840000] usb 2-1: new high-speed USB device number 76 using ehci-platform
[ 8796.720000] usb 2-1: USB disconnect, device number 76
[ 8797.020000] usb 2-1: new high-speed USB device number 77 using ehci-platform
[ 8806.830000] usb 2-1: USB disconnect, device number 77
[ 8807.120000] usb 2-1: new high-speed USB device number 78 using ehci-platform
[ 8815.660000] usb 2-1: USB disconnect, device number 78
[ 8815.950000] usb 2-1: new high-speed USB device number 79 using ehci-platform
[ 8817.610000] usb 2-1: USB disconnect, device number 79
[ 8817.900000] usb 2-1: new high-speed USB device number 80 using ehci-platform
[ 8822.280000] usb 2-1: USB disconnect, device number 80
[ 8822.660000] usb 2-1: new high-speed USB device number 81 using ehci-platform
[ 8822.820000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8835.240000] usb 2-1: USB disconnect, device number 81
[ 8835.260000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8835.600000] usb 2-1: new high-speed USB device number 82 using ehci-platform
[ 8835.760000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8835.940000] usb 2-1: USB disconnect, device number 82
[ 8835.960000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8836.270000] usb 2-1: new high-speed USB device number 83 using ehci-platform
[ 8836.710000] usb 2-1: new high-speed USB device number 84 using ehci-platform
[ 8837.150000] usb 2-1: new high-speed USB device number 85 using ehci-platform
[ 8837.310000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8837.800000] usb 2-1: USB disconnect, device number 85
[ 8837.830000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8838.150000] usb 2-1: new high-speed USB device number 86 using ehci-platform
[ 8838.590000] usb 2-1: new high-speed USB device number 87 using ehci-platform
[ 8838.750000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8839.290000] usb 2-1: USB disconnect, device number 87
[ 8839.300000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8839.640000] usb 2-1: new high-speed USB device number 88 using ehci-platform
[ 8839.810000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 8840.630000] usb 2-1: USB disconnect, device number 88
[ 8840.640000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 8841.240000] usb 2-1: new high-speed USB device number 90 using ehci-platform
[ 8841.680000] usb 2-1: new high-speed USB device number 91 using ehci-platform
[ 8842.280000] usb 2-1: device not accepting address 91, error -71
[ 8842.620000] usb 2-1: new high-speed USB device number 93 using ehci-platform
[ 8843.600000] usb 2-1: new high-speed USB device number 95 using ehci-platform
[ 8844.800000] usb 2-1: USB disconnect, device number 95
[ 8845.090000] usb 2-1: new high-speed USB device number 96 using ehci-platform
[ 8845.410000] usb 2-1: USB disconnect, device number 96
[ 8845.710000] usb 2-1: new high-speed USB device number 97 using ehci-platform

The sticky seems to target 1.0 devices that have issue but my S6 is a usb 2.0 connection. Disabling the wifi doesn't help. I keep getting this problem when the device gets to fully charged:

 1299.690000] usb 2-1: new high-speed USB device number 16 using ehci-platform
[ 1299.850000] rndis_host 2-1:1.0 usb0: register 'rndis_host' at usb-ehci-platform.1-1, RNDIS device, 02:00:30:37:62:34
[ 1342.230000] usb 2-1: USB disconnect, device number 16
[ 1342.240000] rndis_host 2-1:1.0 usb0: unregister 'rndis_host' usb-ehci-platform.1-1, RNDIS device
[ 1342.570000] usb 2-1: new high-speed USB device number 17 using ehci-platform

The unregister coordinates with the usb tether turning off on its own.

Any chance you could try it with a powered usb hub?  When your phone finishes charging it will turn of the charger and run off battery for a while and then turn the charger back on and this pattern will repeat as long as you leave it plugged in.  Maybe the power surge when charging starts is causing a problem?

Went to fry's and got a passive (non-powered) usb hub and have been connected for 14 hours now, seems like the issue described in the sticky still exists but still can be worked around.

For those looking, I got a sabrent 4 port passive usb hub for 6.99 at fry's electronics, pretty cheap solution for the problem.

Thank you nmos for pushing to try the hub!

The discussion might have continued from here.