[urtw] Wifi link dying randomly. reboot required to reconnect.

[Chuck Burns]

On Tuesday, October 04, 2011 9:41:22 PM Arnaud Lacombe wrote:
<snip>
> 
> You should now have message on the console, don't you ?
> 
<snip>

Actually. I'm not getting any more messages on my console than I have been 
getting before..

Some more information:

FreeBSD blackbeast.local 8.2-STABLE FreeBSD 8.2-STABLE #2: Tue Oct  4 19:57:10 
CDT 2011     root at blackbeast.local:/usr/obj/usr/src/sys/BLACKBEAST  amd64

sysctl -a | grep urtw:

net.wlan.0.%parent: urtw0
hw.usb.urtw.preamble_mode: 2
hw.usb.urtw.debug: -1
dev.urtw.0.%desc: vendor 0x0846 product 0x6a00, class 0/0, rev 2.00/1.00, addr 
2
dev.urtw.0.%driver: urtw
dev.urtw.0.%location: bus=1 hubaddr=5 port=5 devaddr=2 interface=0
dev.urtw.0.%pnpinfo: vendor=0x0846 product=0x6a00 devclass=0x00 
devsubclass=0x00 sernum="" release=0x0100 mode=host intclass=0x00 
intsubclass=0x00 intprotocol=0x00 
dev.urtw.0.%parent: uhub5
dev.urtw.0.stats.tx.1m: 0
dev.urtw.0.stats.tx.2m: 19
dev.urtw.0.stats.tx.5.5m: 0
dev.urtw.0.stats.tx.6m: 0
dev.urtw.0.stats.tx.9m: 0
dev.urtw.0.stats.tx.11m: 19
dev.urtw.0.stats.tx.12m: 69
dev.urtw.0.stats.tx.18m: 140
dev.urtw.0.stats.tx.24m: 196
dev.urtw.0.stats.tx.36m: 4989
dev.urtw.0.stats.tx.48m: 5788
dev.urtw.0.stats.tx.54m: 21513

usbconfig show_ifdrv:

ugen5.2: <product 0x6a00 vendor 0x0846> at usbus5, cfg=0 md=HOST spd=HIGH 
(480Mbps) pwr=ON
ugen5.2.0: urtw0: <vendor 0x0846 product 0x6a00, class 0/0, rev 2.00/1.00, 
addr 2>

usbconfig dump_all_config_desc:

 Configuration index 0

    bLength = 0x0009 
    bDescriptorType = 0x0002 
    wTotalLength = 0x0027 
    bNumInterfaces = 0x0001 
    bConfigurationValue = 0x0001 
    iConfiguration = 0x0004  <Wireless Network Card>
    bmAttributes = 0x0080 
    bMaxPower = 0x00fa 

    Interface 0
      bLength = 0x0009 
      bDescriptorType = 0x0004 
      bInterfaceNumber = 0x0000 
      bAlternateSetting = 0x0000 
      bNumEndpoints = 0x0003 
      bInterfaceClass = 0x0000 
      bInterfaceSubClass = 0x0000 
      bInterfaceProtocol = 0x0000 
      iInterface = 0x0005  <retrieving string failed>

     Endpoint 0
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0081  <IN>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200 
        bInterval = 0x0000 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000 

     Endpoint 1
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0002  <OUT>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200 
        bInterval = 0x0000 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000 

     Endpoint 2
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0003  <OUT>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200 
        bInterval = 0x0000 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000