[ltp] T40, ACPI, and sleeping

morpheus linux-thinkpad@linux-thinkpad.org
Sat, 29 Jan 2005 20:53:02 -0500


On Sat, 2005-01-29 at 23:36 +0100, Bob Alexander wrote:
> Morph,
> in my sleep script I do not touch madwifi.
> When I suspend to RAM I see the wireless indicator go off and I assume 
> wireless goes down too (do not have any AP to try).
> 
> Upon resuming the wireless does not come on by itself but with 2-3 Fn+F5 
> the wifi light comes up again and lsmod looks allright:
> 
> bob@t40:~$ lsmod
> Module                  Size  Used by
> ath_pci                62880  0
> ath_rate_onoe           8840  1 ath_pci
> ath_hal               133456  2 ath_pci
> wlan                  121116  3 ath_pci,ath_rate_onoe
> 
> so is it really necessary to bring it down ?
Well, it works flawlessly for me, and doesn't work unless I remove all
the modules then re-insert them after waking up.
Why not give it a try?  If it doesn't work, you can try to force the
card to re-associate with the AP by changing the essid to something
meaningless, then setting it back to the proper essid.
-m