I've been following these freeze issues since kernel 4.2. cstate is no
longer as effective since 4.6-rc7+ and 4.5.4+.
The known relevant commits are (from bugzilla #109051):
Freezing started after 3.16.7 with commit
31685c258e0b0ad6aa486c5ec001382cf8a64212
freezing worsened again between 4.1
@Brian Burch - You might get more run time if you minimize the bt device
manager window instead of closing it after pairing (assuming that you
are using blueman device manager.) I find kernel 4.5 works a little bit
better with bluetooth. kernel 4.3.6 works like I'd expect with
bluetooth, if you
2 updates: 4.5.0-next-20160321: bluetooth self-starts like 4.3.6 used
to. I still need to open device manager to maintain connections, but I
no longer have to manually search for already paired devices.
The "failed to obtain..." messages are in journalctl not dmesg. Sorry
for any confusion
I have these errors in my dmesg with kernel 4.5.0 but not in 4.3.6 where
bluetooth works great. Kernel 4.4.x bluetooth behaves the same as 4.5.0
but I hadn't noticed if there are "failed to obtain..." messages.
When I boot in 4.3.6 bluetooth (bluez 5.35 and blueman, and a command
btattach... in
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