Arch Linux

Renan Birck

Member

From: Brazil

Registered: 2007-11-11

Posts: 401

Website

Acer 7720-6902: WLAN sleeps randomly, by itself

Hello,

I have WLAN interface Intel 3945 (module iwl3945) on my Acer Aspire 7720-6902 laptop. Suddenly I was without Internet connectivity, when I checked dmesg and saw this:

iwl3945: MAC is in deep sleep!
iwl3945: MAC is in deep sleep!
iwl3945: MAC is in deep sleep!

I know this happens if I disable the WLAN by pressing the RF-Kill button. However, I didn't press it (as I told, it was sudden).

How can I discover what is causing it to go to sleep?

Thanks!

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