Tx timed out! Resetting card

[Jeff Anderson]

Hi, I have set up a peer-to-peer (Ad-Hoc demo) network
with 2 of
my laptops using wireless PCMCIA cards (One Orinoco
Silver and one
Orinoco Gold) . I want to run some video stream demo
between
these two laptops.

But every now and then the log gives me warning msg
as follows:

Feb 11 17:38:13 pigpen kernel: NETDEV WATCHDOG: eth1:
transmit timed out
Feb 11 17:38:13 pigpen kernel: wvlan_cs: eth1 Tx timed
out! Resetting card
Feb 11 17:38:13 pigpen kernel: wvlan_cs: MAC address
on eth1 is 00 02 2d 1f 39 74 
Feb 11 17:38:13 pigpen kernel: wvlan_cs: Valid
channels: 1 2 3 4 5 6 7 8 9 10 11 

When this happens, my video stream server and client
just hang there. Does somebody have the same problem
before? 

Here are the configuration and other information about
the setup:

Laptop A: 1000 MHz CPU, 128 MB mem, running RedHat
7.1, kernel 2.4.2.
/sbin/iwconfig gives:

lo no wireless extensions.

eth1 IEEE 802.11-DS ESSID:"Twireless"
Nickname:"pigpen"
Frequency:2.462GHz Sensitivity:1/3 Mode:Ad-Hoc 
Access Point: 00:60:1D:1E:71:28
Bit Rate:2Mb/s RTS thr:off Fragment thr:off 
Encryption key:3671-A113-A0
Power Management:off
Link quality:0/92 Signal level:-102 dBm Noise
level:-102 dBm
Rx invalid nwid:0 invalid crypt:0 invalid misc:146


The infomation in the boot log regarding wvlan is as
follows:


Feb 11 16:17:04 pigpen kernel: NET4: AppleTalk 0.18a
for Linux NET4.0
Feb 11 16:17:04 pigpen cardmgr[450]: executing:
'modprobe wvlan_cs port_type=3 channel=3 eth=1'
Feb 11 16:17:05 pigpen netfs: Mounting other
filesystems: succeeded
Feb 11 16:17:05 pigpen kernel: wvlan_cs: WaveLAN/IEEE
PCMCIA driver v1.0.6
Feb 11 16:17:05 pigpen kernel: wvlan_cs: (c) Andreas
Neuhaus <andy at fasta.fh-dortmund.de>
Feb 11 16:17:05 pigpen kernel: wvlan_cs: index 0x01:
Vcc 5.0, irq 3, io 0x0100-0x013f
Feb 11 16:17:05 pigpen kernel: wvlan_cs: Registered
netdevice eth1
Feb 11 16:17:05 pigpen kernel: wvlan_cs: MAC address
on eth1 is 00 02 2d 1f 39 74 
Feb 11 16:17:05 pigpen kernel: wvlan_cs: Warning, you
are using the old proprietary Ad-Hoc mode (not the
IBSS 
Ad-Hoc mode).
Feb 11 16:17:05 pigpen kernel: wvlan_cs: Valid
channels: 1 2 3 4 5 6 7 8 9 10 11 
Feb 11 16:17:05 pigpen cardmgr[450]: executing:
'./network start eth1'
Feb 11 16:17:05 pigpen /etc/hotplug/net.agent:
register event not handled
Feb 11 16:17:06 pigpen apmd: apmd startup succeeded



Laptop B: 800 MHz CPU, 256 MB mem, running RedHat 7.1,
kernel 2.4.2.
/sbin/iwconfig gives similar infomation as on Laptop
A.


Thanks in advance.


Stone.

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