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Old 03-26-2003, 01:14 PM   #1
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Unhappy Cisco Aironet 350 hang on RH8.0 on IBM ThinkPad 600X


I've set up a Cisco Aironet 1100 Access Point and bought two Cisco Aironet 350 PCMCIA cards for my laptop's. The first is running RH 7.3 and is a Dell Inspiron 8100. Here, everything runs smoothly and I've not experienced any problems after some minor hick-ups during installation.

So - I proceeded with my IBM ThinkPad 600X running RH 8.0. I've now tried both the Cisco download (v2.0) and the drivers currently in the 2.4 kernel. (I downloaded v. 2.4.20 and tried it as well in addition to the RH std. ones (2.4.18-xxx). The card get's recognized both in a Cisco download installation and with the 2.4 kernel drivers. However when downloading from a FTP site (heavy load, approx. 80-90 Mbps) the card suddenly hang. Everything stops including keyboard/mouse. If I eject the PCMCIA-card and reenter it it works again.

Anyone seen this before ? Is this a HW problem or is it some
quircks in the ThinkPad 600X support ?

Old 03-31-2003, 01:57 PM   #2
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This is a reply to my message to update others and encourage them to reply :-)

This is what I've done:

- Compiled linux-2.4.20 on the IBM ThinkPad 600X.
- Took airo.c and entered a printk in every entry- and exit-point of every function.
- Recompiled and inserted the Aironet 350 Card again.

And then it happend. It suddenly worked. Now I can download a CD from my local FTP-site without any hang. This tells me that the aironet-driver is unstable on my hardware and that the delay caused by the printk's are enough to avoid the problem.

Any aironet driver-hackers out there with the urge to help :-?

Old 06-22-2003, 03:43 PM   #3
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Registered: Jun 2003
Location: South Africa
Distribution: Debian
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Unhappy airo linux hang IBM A21 laptop

I have a similar problem in 2.4.21 kernel.
IBM A31 Laptop, Debian
airo pcmcia works fine, but it hangs from time to time.
The keyboard dies in Xwindows, but the mouse is still functioning and windows can still be moved.

I added support for the ALT-SysRq and was able to still sync disk and reboot when it hangs.

Removing the card, and re-insering does not help, card is dead.
Also tried to compile airo into kernel (not module) but still same problem.

It hangs more often when heavy copying through the wireless card.

If I execute /etc/init.d/gdm stop with the mouse when the keyboard is dead, X closes, but the screen fills with lines, and I can not get to the console and have to reboot.

Will try the sourceforge driver next.



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