Ghirai wrote:
Hello Gunther,
Monday, May 28, 2007, 2:45:07 AM, you wrote:
Hi there,
My ath0 wireless interface is going crazy lately. In my logs the kernel
keeps telling me
May 28 01:26:28 greg ath0: link state changed to UP
May 28 01:26:28 greg ath0: link state changed to UP
May 28 01:26:28 greg ath0: link state changed to DOWN
May 28 01:26:28 greg ath0: link state changed to DOWN
while the wireless connection becomes completely useless. The first time
this happened was 5 days ago when I got these messages every couple of
minutes. Today it happened again but much worse than before: First 4
such messages every 3 seconds, then later 15/sec!!! This kept going for
almost 2 hours while I tried to debug things over the wired interface,
but I had no luck until miraculously it stopped its madness and came
back to normal 15 min ago. No other hints in /var/log/messages...
This this a sign of failing hardware? Or some other obscure bug in the
ath driver?
My signal is pretty solid at 25-30 S:N btw so it can't be that...
Gunther
Maybe someone is performing a deauth attack on your AP,
in hopes of getting your password?
Very unlikely since my wireless is actually unencrypted. Unless it's a
DoS of course. How could I trace that? Tcpdump on the wireless interface
on the ap shows nothing unusual.
My laptop associates 100% with the same ap btw, also the card is
completely useless now and I have to string a cable through my whole
house...
Gunther
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