[Expired for bluez (Ubuntu) because there has been no activity for 60
days.]
** Changed in: bluez (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1547556
Title:
Bluez PAN profile does not support the Group Network scenario
Status in bluez package in Ubuntu:
Expired
Bug description:
I can configure and set up a Bluetooth PAN using the NAP scenario
however we would like to use the GN (Group Network) scenario working.
It does not appear that Bluez properly supports this in the PAN
profile. I have been able to recreate the problem with three
bluetooth devices (broadcomm BCM20702, Realtek RTL8723 and a Cambridge
Silicon Radio Bluetooth dongle), two Bluez versions (5.35 and 5.23)
and the stock kernel that comes with Ubuntu 15.10 and also a custom
4.4 kernel that I built. I have also attempted to connect several
devices (Raspberry Pi, another Ubuntu computer, iOS device and Windows
10 device) and they all have the same issue
The expected behavior is when we configure the PAN profile to function
in the Group Network scenario that other devices will be able to
connect like the NAP scenario. Once the connection is made the two
devices will be able to communicate with IPv4 and IPv6. What is
happening is the NAP scenario the connection works as expected but
when we use the GN scenario the connection is not established.
I have had several e-mails on the Bluez user list where it was confirmed that
at least one other individual has the same issue. I have also see the issue
mentioned on blogs and stackoverflow questions. As an example this blog (see
the end of the post):
http://blog.fraggod.net/2015/03/28/bluetooth-pan-network-setup-with-bluez-5x.html
and this stackoverflow question:
http://stackoverflow.com/questions/32520581/bluez-pan-gn-server-connection-refused-when-nap-server-is-down
Rather than putting information about the various configurations that I used
and the results from my hcidumps I am providing links to the e-mails in the
bluez mailing list with all of the information (I a liable to forget something
if I try to put it all in here). I hope it is alright to provide links rather
than the detailed information. Here are the links:
http://marc.info/?l=linux-bluetooth&m=145504188107174&w=2
http://marc.info/?l=linux-bluetooth&m=145511143325928&w=2
http://marc.info/?l=linux-bluetooth&m=145519999122671&w=2
http://marc.info/?l=linux-bluetooth&m=145529283519026&w=2
http://marc.info/?l=linux-bluetooth&m=145530430223540&w=2
http://marc.info/?l=linux-bluetooth&m=145555004005066&w=2
http://marc.info/?l=linux-bluetooth&m=145582072316051&w=2
Thanks,
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