[Debian-eeepc-devel] wifi0 not up after wake from sleep

[Andrew Williams]

2008/10/16 Daniel Kahn Gillmor <dkg at fifthhorseman.net>:

> I'm using kernel 2.6.26, and madwifi for the wireless.  madwifi
> creates two ethernet devices: wifi0 and ath0.  Since i'm using
> network-manager, when i echo 1 > /sys/devices/platform/eeepc/wlan &&
> modprobe ath_pci, both wifi0 and ath0 enter the UP state (according to
> "ip link").
>
> But i notice that when i put the system to sleep and then wake it up
> again, ath0 is "UP", but wifi0 is *not* UP.  In this state, i can't
> even scan for networks.  At the most fine-grained level (with full
> superuser powers), i appear to be able to fix this with the command:
> "ip link set wifi up".  But i'm often not running as the superuser, so
> it's quickest to just hit Fn+F2 twice to disable and then re-enable
> the wireless (because they both come back up in the UP state).  But
> why would wifi0 not be up upon wake from sleep?  Has anyone else
> experienced this?  Any suggested workarounds?

I've put a quick "ifconfig wifi0 up" at the end of the sleep.sh
script, solves the issue, don't know why it happens but as you
observed, bringing up the wifi0 sorts it out.


-- 
Andrew Williams / Nik_Doof
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