I did not test yet with the latest daily build. I'll do so asap.
However, still on 12.10 with kernel 3.11.0-14-generic #21, I can recover
Bluetooth if I turn on / off the antenna.
More precisely, at boot, I usually have wifi, but not bluetooth. If I
turn off antenna via keyboard, I lose wifi, but get back bluetooth, and
vice-versa.
Relating to bug report from alperyilmaz, I see his comment on "rfkill".
So I did similar tests. Although I don't have BT, rfkill reports that BT
is not RF blocked. But if I block / unblock BT, I can recover BT.
# Just after boot - I have wifi, but no bluetooth (no BT icon)
$ rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: asus-wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
2: asus-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
# I kill RF for bluetooth, then restore it
sudo rfkill block bluetooth
sudo rfkill unblock bluetooth
$ rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: asus-wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
2: asus-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
I rebooted several times, and this apparently succeeds all the time.
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https://bugs.launchpad.net/bugs/1260825
Title:
168c:0032 ath3k built-in bluetooth cannot load firmware - sporadic
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