Re: Netgear MA101 Rev. A dies after minutes.

Hi,

On Wed, 10 Mar 2004, Chaffinch wrote:

> log below, I ran ifconfig wlan0 down/up a couple of times after the link
> died. I hope you can make more sense of this than me.
>
> Really appreciate the help with this, thanks.
>
> ...
> Mar 10 21:30:41 flanders at76c503.c: wlan0: state 6 -> 7 (CONNECTED)
> Mar 10 21:30:51 flanders wlan0: no IPv6 routers present
> Mar 10 21:31:41 flanders at76c503.c: wlan0: timeout, state 7
> Mar 10 21:31:42 flanders at76c503.c: wlan0: lost beacon bssid
> 02:00:d1:ce:3a:0f
> Mar 10 21:32:33 flanders at76c503.c: wlan0: state 7 -> 0 (INIT)
> ...
> Mar 10 21:32:33 flanders at76c503.c: wlan0: state 6 -> 7 (CONNECTED)
> Mar 10 21:32:43 flanders wlan0: no IPv6 routers present
> Mar 10 21:34:37 flanders at76c503.c: wlan0: timeout, state 7
> Mar 10 21:34:37 flanders at76c503.c: wlan0: lost beacon bssid
> 02:00:d1:ce:3a:0f
> Mar 10 21:34:57 flanders at76c503.c: wlan0: state 7 -> 0 (INIT)
> ...

I guess the traffic ceased before the last line in both cases.
Unfortunately the log doesn't help much, the driver simply doesn't see
the beacon of the peer for 10 seconds.

> Mar 10 21:35:24 flanders at76c503.c: wlan0 BSS table (curr=00000000,
> new=00000000):
> Mar 10 21:35:24 flanders at76c503.c: wlan0 BSS table (curr=00000000,
> new=00000000):
> Mar 10 21:35:24 flanders at76c503.c: wlan0: state 1 -> 6 (JOINING)
> Mar 10 21:35:24 flanders at76c503.c: wlan0 find_matching_bss: returned
> 00000000
> Mar 10 21:35:24 flanders at76c503.c: wlan0: state 6 -> 8 (STARTIBSS)
> Mar 10 21:35:24 flanders at76c503.c: using BSSID 02:00:22:5c:95:35

Strange, the peer seems to have disappeared here.

No idea how to solve this problem. Olaf Glage once (April 03) had a
similar one with a Toshiba NB where traffic ceased suddenly, but he needed
to re-plug the USB adapter.
He used a different USB adapter (503a,RFMD), but had the same
USB controller revision (which may explain the difference):

> > 00:0b.0 USB Controller: NEC Corporation USB (rev 01) (prog-if 10
[OHCI])
> >         Subsystem: Toshiba America Info Systems: Unknown device 0001
> >         Flags: bus master, medium devsel, latency 64, IRQ 11
> >         Memory at f7fff000 (32-bit, non-prefetchable) [size=4K]

saying that this is a really old revision , the current revison is >= 42.

His solution was to use a USB-2.0 Cardbus USB host controller instead of
the internal hc.

/Jörg