hostapd hangs after "nl80211: Set beacon (beacon_set=0)"

Ben Greear greearb
Wed Jan 30 10:10:47 PST 2013

On 01/30/2013 10:03 AM, Jue wrote:
> Hi,
> I'm trying to setup an access point with a "Raspberry Pi". I'm using a
> wireless adapter with "Atheros AR9287" chipset. When starting hostapd
> the initialization hangs after "nl80211: Set beacon (beacon_set=0)".
> Aborting is not possible by pressing Ctrl+C. "ifconfig" doesn't response
> as well. The process can only be aborted by unplugging the wireless adapter.
> I tried using another wireless adapter ("Atheros AR9287" chipset as
> well) and reinstalled the OS. Same problem.

Sounds like the kernel locked up somehow.

Can you use sysrq to dump tasks and/or locks or something?


Ben Greear <greearb at>
Candela Technologies Inc

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