[Bluez-users] Bluetooth dongle not reconnecting

[Bluez-users] Bluetooth dongle not reconnecting

[Odysseus Flappington]

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I posted this last week sometime, but here it is again in the hopes my
desperation will yield results.

I can pair my bluetooth mouse and keyboard perfectly fine, but after
rebooting, hidd doesn't re-establish the connections. I've tried
re-connecting manually, but the only way to get them working again, is by
re-pairing. I've tested other dongles which re-connect perfectly fine.

My dmesg displays the following messages whenever I move the mouse:

[  169.162683] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.173697] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.185666] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.196648] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.207684] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.218657] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.230635] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.231635] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.241628] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.252655] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.263642] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.275601] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42
[  169.286629] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42

And my hcidump -X -V displays the following:

> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 03 fd 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 03 fd 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 01 00 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 02 fe 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 01 ff 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 02 ff 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 01 00 00                                 ......
> ACL data: handle 42 flags 0x02 dlen 10
    L2CAP(d): cid 0x0041 len 6 [psm 0]
      0000: a1 02 00 01 00 00                                 ......
> HCI Event: Mode Change (0x14) plen 6
    status 0x00 handle 42 mode 0x00 interval 0
    Mode: Active
> HCI Event: Mode Change (0x14) plen 6
    status 0x00 handle 42 mode 0x02 interval 112
    Mode: Sniff

If I do a sudo hidd --connect [MAC] I get the following:

Can't get device information: Operation already in progress

I'm using an Edimax EB-DGC2 USB 2.0 bluetooth dongle running on Ubuntu
7.10with bluez-utils
3.19-0ubuntu3.

This is a shame, since the Edimax manufacturer's website actually advertises
linux compatibility (
http://www.edimax.co.uk/en/produce_detail.php?pd_id=127&pl1_id=13&pl2_id=43),
but state they don't develop or maintain the drivers. Perhaps they can be
contacted to help provide specs to solve the problem?

Many thanks,
Alex

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Re: [Bluez-users] Bluetooth dongle not reconnecting

[Odysseus Flappington]

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Hi all,

Ok, so I've managed to fix this issue by issuing the following command:

sudo hciconfig hci0 reset

after which the kb/mouse will reconnect. Once I issue that command, the
errors in dmesg stop coming up as well. Placing this command in a startup
script sorts it out completely. I am however, having an issue with the
keyboard and mouse not working at the same time, but I don't think it is
because of this issue.

I do suspect that this is an issue for all external usb devices on ubuntu
only, since my internal laptop adapters work fine. And also, I haven't seen
any reports of this issue on other dists.

I've looked around a bit and found the following bugs:

https://bugs.launchpad.net/ubuntu/+source/bluez-utils/+bug/79394
https://bugs.launchpad.net/ubuntu/+source/bluez-utils/+bug/133690
https://bugs.launchpad.net/ubuntu/+source/gnome-bluetooth/+bug/110375

I've also tested this on two different usb adapters (the Edimax EB-DGC2 and
Trust BT120 usb which was on the Bluetooth Hardware support for Bluez list
http://www.linuxgod.net/bluez-dev.html). Behaviour is identical.

I will investigate using hciconfig hci0 down and then up to see if that does
the same as reset, and maybe triage a couple of those bugs.

Regards,
Alex



On 24/01/2008, Odysseus Flappington <deriziotis@gmail.com> wrote:
>
> I posted this last week sometime, but here it is again in the hopes my
> desperation will yield results.
>
> I can pair my bluetooth mouse and keyboard perfectly fine, but after
> rebooting, hidd doesn't re-establish the connections. I've tried
> re-connecting manually, but the only way to get them working again, is by
> re-pairing. I've tested other dongles which re-connect perfectly fine.
>
> My dmesg displays the following messages whenever I move the mouse:
>
> [  169.162683] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.173697] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.185666] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.196648] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.207684] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.218657] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.230635] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.231635] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.241628] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.252655] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.263642] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.275601] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
> [  169.286629] hci_acldata_packet: hci0 ACL packet for unknown connection
> handle 42
>
> And my hcidump -X -V displays the following:
>
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 03 fd 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 03 fd 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 01 00 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 02 fe 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 01 ff 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 02 ff 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 01 00 00                                 ......
> > ACL data: handle 42 flags 0x02 dlen 10
>     L2CAP(d): cid 0x0041 len 6 [psm 0]
>       0000: a1 02 00 01 00 00                                 ......
> > HCI Event: Mode Change (0x14) plen 6
>     status 0x00 handle 42 mode 0x00 interval 0
>     Mode: Active
> > HCI Event: Mode Change (0x14) plen 6
>     status 0x00 handle 42 mode 0x02 interval 112
>     Mode: Sniff
>
> If I do a sudo hidd --connect [MAC] I get the following:
>
> Can't get device information: Operation already in progress
>
> I'm using an Edimax EB-DGC2 USB 2.0 bluetooth dongle running on Ubuntu
> 7.10 with bluez-utils 3.19-0ubuntu3.
>
> This is a shame, since the Edimax manufacturer's website actually
> advertises linux compatibility ( http://www.edimax.co.uk/en/produce_detail.php?pd_id=127&pl1_id=13&pl2_id=43
> ), but state they don't develop or maintain the drivers. Perhaps they can
> be contacted to help provide specs to solve the problem?
>
> Many thanks,
> Alex
>
>

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[Bluez-users] Bluetooth dongle not reconnecting

[Odysseus Flappington]

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Hi,

I've got an Edimax EB-DGC2 USB 2.0 bluetooth dongle running on Ubuntu
7.10with kernel
2.6.22-14-generic.

I can pair my MS Intellimouse bluetooth mouse, but hidd can never re-connect
after I reboot. The same thing happens with my Apple Bluetooth keyboard (the
old one which is fully hid compatible). If I don't reboot, but let the
devices sleep, they re-establish their connections automatically. It's only
after rebooting that they can't reconnect.

I've tested both devices on my laptop and they both automatically reconnect
after rebooting without any modifications to configuration files with the
same OS and configuration.

Things I've tried:
- After rebooting, I try to re-connect manually using sudo hidd --connect
[MAC]. It gives me the following error:

Can't get device information: Operation already in progress

- When I do a dmesg after rebooting and without actually attempting to
initiate the connection using hidd --connect (however, I guess it would
already be automatically trying to reconnect), I can see a ton of the
following error messages coming up:

[  119.934706] hci_acldata_packet: hci0 ACL packet for unknown connection
handle 42

Since everthing works fine on my laptop with the same configuration, the
issue has to be with the bluetooth dongle itself. Either there's a problem
with its driver, or there's a problem with the hardware. So, three
questions:

1) Is there anything else that I need to do to further diagnose this
problem? More output needed?
2) Who do I report this problem to in order to get this issue fixed for
everyone? Kernel developer who maintains bluetooth dongle drivers?
3) Are there any immediate solutions I can try? I saw something about
flashing the dongle's firmware.. Is this a possibility? Any other
suggestions? Could always just buy a new dongle.

Thanks very much,
Alex Deriziotis

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