Can't PING in ad-hoc mode

Hi everyone,

I'm trying to set up a wireless ad-hoc network between two colibri
linux boards (pxa270 arm processor) running linux 2.6.12.4. To do so,
I'm using two DWL-G122verC1 USB dongles and the rt73 wireless driver
which can be downloaded here: http://www.ralinktech.com/ralink/Home/Support/Linux.html
..

The problem is that I can't have my two linux boards ping each other
(100% packet loss) even though I believe everythong else is set
properly. They are using the same channel (1) and there is no firewall
issue.

Any ideas? I'm really stuck here :)

Thanks,
Sabine

Linux board 1:
--------------------
iwconfig rausb0
rausb0 RT73 WLAN ESSID:"MAVnet"
Mode:Ad-Hoc Frequency=2.412 GHz Cell: D6:AA:43:D0:26:D6
Bit Rate=11 Mb/s
RTS thr:off Fragment thr:off
Encryption key:off
Link Quality=83/100 Signal level:-56 dBm Noise level:-79
dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

ifconfig rausb0
rausb0 Link encap:Ethernet HWaddr 00:19:5B:6D:D7:65
inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:
255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5702 errors:0 dropped:0 overruns:0 frame:0
TX packets:487 errors:0 dropped:80 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:510673 (498.7 KiB) TX bytes:46528 (45.4 KiB)

route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref
Use Iface
192.168.0.0 * 255.255.255.255 UH 0 0
0 rausb0

Linux board 2:
--------------------

iwconfig rausb0
rausb0 RT73 WLAN ESSID:"MAVnet"
Mode:Ad-Hoc Frequency=2.412 GHz Cell: D6:AA:43:D0:26:D6
Bit Rate=11 Mb/s
RTS thr:off Fragment thr:off
Encryption key:off
Link Quality=87/100 Signal level:-52 dBm Noise level:-79
dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

ifconfig rausb0
rausb0 Link encap:Ethernet HWaddr 00:19:5B:6D:D7:38
inet addr:192.168.0.2 Bcast:192.168.0.255 Mask:
255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:20357 errors:0 dropped:0 overruns:0 frame:0
TX packets:1631 errors:0 dropped:429 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2331371 (2.2 MiB) TX bytes:168872 (164.9 KiB)

route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref
Use Iface
192.168.0.0 * 255.255.255.0 U 0 0
0 rausb0

.

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