[Bug 288613] Re: Intrepid: RC Regression. Bluetooth no longer pairs correctly which it did in beta

[Jamie Lokier]

I'm unable to connect to PAN on my mobile phone (Sony-Ericsson K850i)
with the 2.6.27 kernels, but I was able to do so with Hardy's 2.6.24
kernel.  I don't do file transfers, only PAN.

To be precise about the kernels: I ran Hardy the distro for a while with
Intrepid beta kernels (to test the kernels), and connections made with
"pand" were ultimately rejected with "Connection Refused" when running
those Intrepid kernels (on a Hardy distro), but when booting a Hardy
kernel "pand" worked fine.

It's a bit odd, in that the connection seems to work at first, with the
phone's screen asking if it's ok to accept this connection.  But on
saying ok, then the phone asks a _second_ time the same question, and
when it _asks_ the second time, "pand" reports "Connection Refused"
immediately.  Note that the laptop and phone are already known to each
other, this is just the phone asking "Laptop wants to use the phone as a
modem?  yes or no".  If I tell the phone to allow it without asking,
there are no dialogs or delays, "pand" just gets to "Connection Refused"
very quickly.)

Whereas with Hardy's own kernel, the phone asks just once, and the
connection always succeeds in "pand"'s log.

Note the bluetooth userspace utilities were _exactly_ the same in these
tests.  So in my case, the ability to pair with the phone was affected
by booting a different kernel *alone*, with 2.6.27 kernels failing and
2.6.24 kernels succeeding.

I'm now running Intrepid the whole distro (upgraded from Hardy), and
generally up to date.  The ability to pair (with "pand") is still
broken, same as running Hardy with Intrepid's kernel.  I haven't yet had
a chance to try the other way around and boot the Hardy kernel on my
Intrepid distro, to see if that fixes "pand".

So for people with pairing problems, it might be worth booting Hardy's
latest kernel, to see if that fixes the problem.  If it does, that will
at least narrow it down to the kernel bluetooth stack.  I suspect
there's more than one different pairing problem, but this is one of
them.

-- 
Intrepid: RC Regression.  Bluetooth no longer pairs correctly which it did in beta
https://bugs.launchpad.net/bugs/288613
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