>Synopsis:      unstable urtwn-powered device
>Category:      kernel
>Environment:
        System      : OpenBSD 5.5
        Details     : OpenBSD 5.5-beta (GENERIC.MP) #233: Fri Feb  7 12:14:13 
MST 2014
                         
t...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP

        Architecture: OpenBSD.i386
        Machine     : i386
>Description:
        It's not much of a _bug_ report. My usb stick is just somewhat
        unstable. Connection can disappear. Then I try `sudo ifconfig urtwn0
        scan'. It might show access points, but more often it doesn't show.
        Anyway connection doesn't come back. Then I replug device and do `sudo
        sh /etc/netstart'. There are many reasons that could cause it to stop
        working from time to time, and I can't say what sucks more: my usb
        stick, usb bus in my machine, or my wireless router. However, probably
        there is a bug in drivers or in firmware, so I picked relevant lines
        from /var/log/messages*. I hope it will help you.

Feb  3 21:08:14 f /bsd: urtwn0: device timeout
Feb  3 21:11:04 f /bsd: urtwn0: device timeout
Feb  3 21:45:13 f /bsd: ehci_idone: ex=0xd2153700 is done!
Feb  3 21:45:13 f /bsd: urtwn0 detached
Feb  3 21:45:18 f /bsd: urtwn0 at uhub0
Feb  3 21:45:18 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  3 21:45:18 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 00:58:10 f /bsd: urtwn0: device timeout
Feb  4 01:01:25 f /bsd: urtwn0: device timeout
Feb  4 01:54:26 f /bsd: urtwn0: device timeout
Feb  4 01:54:57 f /bsd: urtwn0: device timeout
Feb  4 01:57:08 f /bsd: urtwn0: device timeout
Feb  4 01:58:53 f /bsd: urtwn0: device timeout
Feb  4 01:59:05 f /bsd: urtwn0: device timeout
Feb  4 01:59:24 f /bsd: urtwn0: device timeout
Feb  4 02:03:03 f /bsd: urtwn0: device timeout
Feb  4 02:03:13 f /bsd: urtwn0: device timeout
Feb  4 02:18:42 f /bsd: urtwn0: device timeout
Feb  4 02:41:35 f /bsd: ehci_idone: ex=0xd2153700 is done!
Feb  4 02:41:36 f /bsd: urtwn0 detached
Feb  4 02:41:36 f /bsd: urtwn0 at uhub0
Feb  4 02:41:36 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 02:41:36 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 03:18:54 f /bsd: urtwn0 detached
Feb  4 03:19:13 f /bsd: urtwn0 at uhub1
Feb  4 03:19:14 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 03:19:15 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 03:19:44 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 03:19:46 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 03:20:05 f /bsd: urtwn0 detached
Feb  4 03:20:08 f /bsd: urtwn0 at uhub0
Feb  4 03:20:08 f /bsd:  port 2 "Realtek 802.11n WLAN" rev 2.00/2.00 addr 2
Feb  4 03:20:08 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 06:51:01 f /bsd: ehci_idone: ex=0xd2153700 is done!
Feb  4 06:51:01 f /bsd: urtwn0 detached
Feb  4 06:51:01 f /bsd: uhub0: device problem, disabling port 2
Feb  4 16:47:57 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN" rev 
2.00/2.00 addr 2
Feb  4 16:47:57 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
ff:ff:ff:ff:ff:ff
Feb  4 16:47:57 f /bsd: urtwn0: timeout waiting for MAC initialization
Feb  4 16:47:57 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:33:32 f /bsd: urtwn0: timeout waiting for chip autoload
Feb  4 17:33:49 f /bsd: urtwn0 detached
Feb  4 17:33:55 f /bsd: urtwn0 at uhub1
Feb  4 17:33:55 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 17:33:57 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 17:34:00 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:34:02 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:34:35 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:35:01 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:35:18 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:35:35 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:35:57 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 17:36:14 f /bsd: urtwn0 detached
Feb  4 17:36:19 f /bsd: urtwn0 at uhub0
Feb  4 17:36:19 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:05:39 f /bsd: urtwn0 at uhub0 port 1 "vendor 0x20f4 802.11n WLAN 
Adapter" rev 2.00/2.00 addr 2
Feb  4 18:05:39 f /bsd: urtwn0: unsupported test chip
Feb  4 18:05:39 f /bsd: urtwn0 at uhub0 port 1 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  4 18:05:39 f /bsd: urtwn0: unsupported test chip
Feb  4 18:07:04 f /bsd: urtwn0 detached
Feb  4 18:07:07 f /bsd: urtwn0 at uhub0
Feb  4 18:07:07 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:07:07 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:08:47 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:08:47 f /bsd: urtwn0 detached
Feb  4 18:08:48 f /bsd: urtwn0 at uhub0
Feb  4 18:08:48 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:08:48 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:13:04 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:13:04 f /bsd: urtwn0 detached
Feb  4 18:13:05 f /bsd: uhub0: device problem, disabling port 1
Feb  4 18:19:13 f /bsd: urtwn0 at uhub0 port 1 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  4 18:19:13 f /bsd: urtwn0: unsupported test chip
Feb  4 18:20:21 f /bsd: urtwn0 detached
Feb  4 18:20:22 f /bsd: urtwn0 at uhub1
Feb  4 18:20:22 f /bsd:  port 1 "TRENDnet RTL8188CU" rev 2.00/2.00 addr 2
Feb  4 18:20:22 f /bsd: urtwn0: could not set configuration no
Feb  4 18:20:36 f /bsd: urtwn0 detached
Feb  4 18:20:40 f /bsd: urtwn0 at uhub0
Feb  4 18:20:40 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:20:40 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:20:55 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:20:55 f /bsd: urtwn0 detached
Feb  4 18:20:56 f /bsd: urtwn0 at uhub0
Feb  4 18:20:56 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:20:56 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:21:30 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:21:30 f /bsd: urtwn0 detached
Feb  4 18:21:31 f /bsd: urtwn0 at uhub0
Feb  4 18:21:31 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:21:31 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:22:03 f /bsd: usb_transfer_complete: actlen > len -16120 > 4
Feb  4 18:22:09 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:22:09 f /bsd: urtwn0 detached
Feb  4 18:22:10 f /bsd: urtwn0 at uhub0
Feb  4 18:22:10 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:22:10 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:22:35 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:22:35 f /bsd: urtwn0 detached
Feb  4 18:22:36 f /bsd: urtwn0 at uhub0
Feb  4 18:22:36 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:22:36 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:22:57 f /bsd: ehci_idone: ex=0xd2151300 is done!
Feb  4 18:22:57 f /bsd: urtwn0 detached
Feb  4 18:22:58 f /bsd: urtwn0 at uhub0
Feb  4 18:22:58 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:22:58 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:23:01 f /bsd: urtwn0 detached
Feb  4 18:23:05 f /bsd: urtwn0 at uhub1
Feb  4 18:23:05 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:23:07 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  4 18:23:11 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 18:23:50 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  4 18:24:07 f /bsd: urtwn1 at uhub0
Feb  4 18:24:07 f /bsd:  port 1 "TRENDnet RTL8188CU" rev 2.00/2.00 addr 2
Feb  4 18:24:07 f /bsd: urtwn1: could not set configuration no
Feb  4 18:24:07 f /bsd: urtwn0 detached
Feb  4 18:24:07 f /bsd: urtwn1 detached
Feb  4 18:24:14 f /bsd: urtwn0 at uhub0
Feb  4 18:24:14 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  4 18:24:14 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  5 05:41:23 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  5 05:41:23 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
ff:ff:ff:ff:ff:ff
Feb  5 05:41:23 f /bsd: urtwn0: timeout waiting for MAC initialization
Feb  5 05:42:49 f /bsd: urtwn0: timeout waiting for MAC initialization
Feb  5 06:04:39 f /bsd: urtwn0 at uhub0
Feb  5 06:04:39 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  5 06:04:39 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  5 06:12:03 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  5 06:12:03 f /bsd: urtwn0: unsupported test chip
Feb  5 06:12:53 f /bsd: urtwn0 detached
Feb  5 06:12:54 f /bsd: urtwn0 at uhub0
Feb  5 06:12:54 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  5 06:12:54 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  5 06:28:20 f /bsd: urtwn0 at uhub0
Feb  5 06:28:20 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  5 06:28:20 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  5 20:58:53 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  5 20:58:53 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  7 01:28:00 f /bsd: ehci_idone: ex=0xd2153700 is done!
Feb  7 01:28:00 f /bsd: urtwn0 detached
Feb  7 01:28:02 f /bsd: urtwn0 at uhub0
Feb  7 01:28:02 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  7 01:28:02 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  7 22:03:14 f /bsd: usb_transfer_complete: actlen > len -15860 > 4
Feb  8 06:57:15 f /bsd: urtwn0: device timeout
Feb  8 07:46:02 f /bsd: ehci_idone: ex=0xd2153700 is done!
Feb  8 07:46:02 f /bsd: urtwn0 detached
Feb  8 07:46:31 f /bsd: urtwn0 at uhub0
Feb  8 07:46:31 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  8 07:46:31 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  8 17:55:10 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  8 17:55:10 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
ff:ff:ff:ff:ff:ff
Feb  8 17:55:10 f /bsd: urtwn0: timeout waiting for MAC initialization
Feb  8 17:55:10 f /bsd: urtwn0: timeout waiting for MAC initialization
Feb  8 17:55:10 f /bsd: urtwn0 detached
Feb  8 17:55:58 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 03:45:21 f /bsd: usb_transfer_complete: actlen > len -16124 > 4
Feb  9 05:01:51 f /bsd: urtwn0: device timeout
Feb  9 05:01:57 f /bsd: urtwn0: device timeout
Feb  9 05:05:15 f /bsd: urtwn0: device timeout
Feb  9 05:06:31 f /bsd: usb_transfer_complete: actlen > len -16116 > 4
Feb  9 05:07:47 f /bsd: ehci_idone: ex=0xd22d6b00 is done!
Feb  9 05:07:48 f /bsd: urtwn0: device timeout
Feb  9 05:08:13 f /bsd: ehci_idone: ex=0xd214c300 is done!
Feb  9 05:08:13 f /bsd: urtwn0 detached
Feb  9 05:08:15 f /bsd: urtwn0 at uhub0
Feb  9 05:08:15 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  9 05:08:15 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 14:11:05 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  9 14:11:05 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 14:11:06 f /bsd: urtwn0: timeout waiting for firmware readiness
Feb  9 14:12:36 f /bsd: urtwn0: timeout waiting for firmware readiness
Feb  9 14:12:36 f /bsd: urtwn0: timeout waiting for firmware readiness
Feb  9 14:12:37 f /bsd: urtwn0: timeout waiting for firmware readiness
Feb  9 14:12:53 f /bsd: urtwn0 detached
Feb  9 14:12:56 f /bsd: urtwn0 at uhub0
Feb  9 14:12:56 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  9 14:12:56 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 20:50:05 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb  9 20:50:05 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:09:53 f /bsd: usb_transfer_complete: actlen > len -16116 > 4
Feb  9 21:09:54 f /bsd: usb_transfer_complete: actlen > len -15988 > 4
Feb  9 21:10:16 f /bsd: ehci_idone: ex=0xd2153700 is done!
Feb  9 21:10:16 f /bsd: urtwn0 detached
Feb  9 21:10:21 f /bsd: urtwn0 at uhub1
Feb  9 21:10:21 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  9 21:10:22 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:10:25 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:10:52 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:11:09 f /bsd: urtwn0 detached
Feb  9 21:11:14 f /bsd: urtwn0 at uhub1
Feb  9 21:11:14 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  9 21:11:15 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:11:20 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:11:48 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:12:19 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:12:49 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:13:15 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:13:44 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:14:17 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:15:04 f /bsd: urtwn1 at uhub0
Feb  9 21:15:04 f /bsd:  port 1 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  9 21:15:04 f /bsd: urtwn1: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
00:e0:4c:81:76:00
Feb  9 21:15:04 f /bsd: urtwn0 detached
Feb  9 21:15:04 f /bsd: urtwn1 detached
Feb  9 21:15:12 f /bsd: urtwn0 at uhub0
Feb  9 21:15:12 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  9 21:15:12 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:15:49 f /bsd: usb_transfer_complete: actlen > len -15996 > 4
Feb  9 21:15:52 f /bsd: usb_transfer_complete: actlen > len -15996 > 4
Feb  9 21:18:19 f /bsd: urtwn0 at uhub0
Feb  9 21:18:19 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  9 21:18:19 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:21:05 f /bsd: urtwn0 detached
Feb  9 21:21:14 f /bsd: urtwn0 at uhub0
Feb  9 21:21:14 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  9 21:21:14 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:36:12 f /bsd: urtwn0 detached
Feb  9 21:36:20 f /bsd: urtwn0 at uhub0
Feb  9 21:36:20 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  9 21:36:20 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:37:19 f /bsd: urtwn0 detached
Feb  9 21:37:34 f /bsd: urtwn0 at uhub0
Feb  9 21:37:34 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  9 21:37:34 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:37:34 f /bsd: urtwn0 detached
Feb  9 21:37:36 f /bsd: urtwn0 at uhub1
Feb  9 21:37:36 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 2
Feb  9 21:37:37 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 21:37:39 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:42:18 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:42:21 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:42:23 f /bsd: urtwn0: timeout waiting for MAC auto ON
Feb  9 21:43:08 f /bsd: urtwn0 detached
Feb  9 22:17:13 f /bsd: urtwn0 at uhub0
Feb  9 22:17:13 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb  9 22:17:13 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb  9 22:28:27 f /bsd: urtwn0 detached
Feb 10 00:10:39 f /bsd: urtwn0 at uhub0
Feb 10 00:10:39 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb 10 00:10:39 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb 10 04:54:52 f /bsd: ehci_idone: ex=0xd214c300 is done!
Feb 10 04:54:52 f /bsd: urtwn0 detached
Feb 10 04:55:00 f /bsd: urtwn0 at uhub0
Feb 10 04:55:00 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb 10 04:55:00 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb 10 04:56:30 f /bsd: usb_transfer_complete: actlen > len -15988 > 4
Feb 10 04:58:02 f /bsd: ehci_idone: ex=0xd214c300 is done!
Feb 10 04:58:03 f /bsd: urtwn0 detached
Feb 10 04:58:03 f /bsd: urtwn0 at uhub0
Feb 10 04:58:03 f /bsd:  port 2 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 
addr 4
Feb 10 04:58:03 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb 10 08:33:47 f /bsd: urtwn0 at uhub0 port 2 "Realtek 802.11n WLAN Adapter" 
rev 2.00/2.00 addr 2
Feb 10 08:33:47 f /bsd: urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 
d8:eb:97:1d:f2:33
Feb 10 08:55:02 f /bsd: urtwn0 detached

>How-To-Repeat:
>Fix:


dmesg:
OpenBSD 5.5-beta (GENERIC.MP) #233: Fri Feb  7 12:14:13 MST 2014
    t...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP
cpu0: Intel(R) Atom(TM) CPU N2600 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu0: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE,LAHF,PERF,ITSC
real mem  = 1060065280 (1010MB)
avail mem = 1030815744 (983MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 03/15/11, SMBIOS rev. 2.7 @ 0xe96d0 (31 
entries)
bios0: vendor American Megatrends Inc. version "X101CH.1203" date 07/30/2012
bios0: ASUSTeK COMPUTER INC. X101CH
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP APIC MCFG RTCF HPET SSDT SLIC BGRT
acpi0: wakeup devices P0P8(S4) PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) 
RP03(S4) PXSX(S4) RP04(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
mtrr: Pentium Pro MTRR support, 7 var ranges, 88 fixed ranges
cpu0: apic clock running at 99MHz
cpu0: mwait min=22785, max=32960
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Atom(TM) CPU N2600 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu1: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE,LAHF,PERF,ITSC
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Atom(TM) CPU N2600 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu2: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE,LAHF,PERF,ITSC
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Atom(TM) CPU N2600 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu3: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE,LAHF,PERF,ITSC
ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (RP01)
acpiprt2 at acpi0: bus 2 (RP02)
acpiprt3 at acpi0: bus 3 (RP03)
acpiprt4 at acpi0: bus 4 (RP04)
acpiec0 at acpi0
acpicpu0 at acpi0: C2, C1, PSS
acpicpu1 at acpi0: C2, C1, PSS
acpicpu2 at acpi0: C2, C1, PSS
acpicpu3 at acpi0: C2, C1, PSS
acpitz0 at acpi0: critical temperature is 255 degC
acpibat0 at acpi0: BAT0 model "X101CH" serial   type LION oem "ASUS"
acpiac0 at acpi0: AC unit online
acpibtn0 at acpi0: PWRB
acpibtn1 at acpi0: SLPB
acpibtn2 at acpi0: LID_
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD02
bios0: ROM list: 0xc0000/0xf400!
cpu0: Enhanced SpeedStep 1597 MHz: speeds: 1600, 1400, 1200, 1000, 800, 600 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 vendor "Intel", unknown product 0x0bf1 rev 0x03
vga1 at pci0 dev 2 function 0 "Intel Atom D2000/N2000 Video" rev 0x09
intagp at vga1 not configured
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x02: msi
azalia0: codecs: Realtek ALC269, Intel/0x2880, using Realtek ALC269
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x02: apic 4 int 16
pci1 at ppb0 bus 1
ppb1 at pci0 dev 28 function 1 "Intel 82801GB PCIE" rev 0x02: apic 4 int 17
pci2 at ppb1 bus 2
"Atheros AR9485" rev 0x01 at pci2 dev 0 function 0 not configured
ppb2 at pci0 dev 28 function 2 "Intel 82801GB PCIE" rev 0x02: apic 4 int 18
pci3 at ppb2 bus 3
ppb3 at pci0 dev 28 function 3 "Intel 82801GB PCIE" rev 0x02: apic 4 int 19
pci4 at ppb3 bus 4
alc0 at pci4 dev 0 function 0 "Attansic Technology L2C" rev 0xc1: msi, address 
10:bf:48:6e:2f:02
atphy0 at alc0 phy 0: F2 10/100 PHY, rev. 5
uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x02: apic 4 int 23
uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x02: apic 4 int 21
uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x02: apic 4 int 18
uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x02: apic 4 int 16
ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x02: apic 4 int 23
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb4 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xe2
pci5 at ppb4 bus 5
pcib0 at pci0 dev 31 function 0 "Intel NM10 LPC" rev 0x02
ahci0 at pci0 dev 31 function 2 "Intel 82801GR AHCI" rev 0x02: msi, AHCI 1.1
ahci0: PHY offline on port 1
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, Hitachi HTS54323, ES2O> SCSI3 0/direct 
fixed naa.5000cca706c23c49
sd0: 305245MB, 512 bytes/sector, 625142448 sectors
ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x02: apic 4 int 20
iic0 at ichiic0
usb1 at uhci0: USB revision 1.0
uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb2 at uhci1: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci2: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb4 at uhci3: USB revision 1.0
uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pms0: Synaptics touchpad, firmware 7.5
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
umass0 at uhub0 port 3 configuration 1 interface 0 "Generic Mass Storage 
Device" rev 2.00/1.00 addr 2
umass0: using SCSI over Bulk-Only
scsibus1 at umass0: 2 targets, initiator 0
sd1 at scsibus1 targ 1 lun 0: <Multiple, Card Reader, 1.00> SCSI0 0/direct 
removable serial.058f6366058F63666433
sd1: 61311MB, 512 bytes/sector, 125564928 sectors
uvideo0 at uhub0 port 4 configuration 1 interface 0 "Chicony Electronics Co., 
Ltd. USB2.0 0.3M UVC WebCam" rev 2.00/62.53 addr 3
video0 at uvideo0
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (4f12459f86194b6a.a) swap on sd0b dump on sd0b

usbdevs:
Controller /dev/usb0:
addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 addr 4: high speed, power 500 mA, config 1, 802.11n WLAN 
Adapter(0x648b), Realtek(0x20f4), rev 2.00, iSerialNumber 00e04c000001
 port 3 addr 2: high speed, power 100 mA, config 1, Mass Storage 
Device(0x6366), Generic(0x058f), rev 1.00, iSerialNumber 058F63666433
 port 4 addr 3: high speed, power 500 mA, config 1, USB2.0 0.3M UVC 
WebCam(0xb26f), Chicony Electronics Co., Ltd.(0x04f2), rev 62.53, iSerialNumber 
0x0001
 port 5 powered
 port 6 powered
 port 7 powered
 port 8 powered
Controller /dev/usb1:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb2:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb3:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb4:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered

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