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

[Arnaud Lacombe]

Hi,

On Tue, Oct 4, 2011 at 11:03 PM, Chuck Burns <break19 at gmail.com> wrote:
> 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..
>
Looking closer in the driver, DPRINTF() is only used 6 time and only
URTW_DEBUG_TXSTATUS, URTW_DEBUG_INIT, URTW_DEBUG_STATE and
URTW_DEBUG_XMIT are actually used...

I'd say to wait until the hang re-occur to see if there is anything printed.

 - Arnaud

> 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
>
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