[ltp] Restarting Wifi on T20 w/ ACM after suspend to RAM

[Richard Neill]

Frank Huddleston wrote:
> I have an IBM T20 Thinkpad with SUSE 10.1 with a ConnectGear W340G 
> wireless card and the rt2500-1.1.0-b4 version of the wireless driver 
> software. I'm running it with WPA, and it works, but doesn't restart 
> automatically after a sleep. I have ACM, not ACPI, handling the 
> suspend-to-RAM sleep. In order to get the computer to sleep, I have to 
> remove the wireless card. My first question is:
> Is there a way to avoid having to do this? How?


cardctl eject
   this does the software bit, and so you don't have to physically 
remove the card. cardctl insert will do the reverse.


> Then upon waking the computer, I have to execute the following to get 
> the card to work:
> (as root)
> /sbin/ifup ra0
> ifconfig ra0 up
> iwconfig ra0 channel 5
> iwconfig ra0 essid My-ESSID
> iwpriv ra0 set AuthMode=WPAPSK
> iwpriv ra0 set EncrypType=TKIP
> iwpriv ra0 set WPAPSK="my password"
> ifup ra0
> 
> I think I have to do these same commands upon a reboot.


> Sometimes I have to disable the ethernet device eth0: from dmesg I 
> thought I saw that there was an IRQ conflict with the wireless device.

That sounds rather unlikely.

> Seems as though I shouldn't have to do all this. I have configured the 
> card, via yast, for manual start, and to use ifup rather than KDE 
> Network Manager, partly because that just didn't work. I think I 
> included the equivalent of most of the above commands in the 
> configuration done with yast, so I would think that "ifup ra0" would be 
> all that I needed to do, but no. I've tried creating the RT2500STA.dat 
> file in /etc/Wireless/RT2500STA, but that did not seem to do anything.
> I realize that these issues are in the area shared by Linux, SUSE, 
> ThinkPads, and RT2500, so I might have to go elsewhere for answers.
> Thanks for any help you can provide.


The easiest way is to edit /etc/rc.local  for commands to run on boot, 
and edit the suspend scripts for commands to run on resume (or write a 
wrapper for them)


HTH

Richard