LinuxLists.cc - [Bluez-users] BNEP session hangs, can't work out why.

2005-05-29 16:40:09

Subject: [Bluez-users] BNEP session hangs, can't work out why.

At machine A I have:
hci0: Type: USB
BD Address: 00:05:16:58:9D:C1 ACL MTU: 192:8 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:269283 acl:1781 sco:0 events:869 errors:0
TX bytes:58266 acl:815 sco:0 commands:42 errors:0
Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'BlueZ (0)'
Class: 0x3e0100
Service Classes: Networking, Rendering, Capturing
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver: 0x20d
Manufacturer: Cambridge Silicon Radio (10)

Machine B has:
hci0: Type: USB
BD Address: 00:0A:94:13:26:7D ACL MTU: 120:20 SCO MTU: 64:0
UP RUNNING PSCAN ISCAN
RX bytes:72835 acl:1541 sco:0 events:1813 errors:0
TX bytes:266197 acl:2713 sco:0 commands:24 errors:0
Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'BlueZ (0)'
Class: 0x3e0100
Service Classes: Networking, Rendering, Capturing
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x0 LMP Ver: 1.1 (0x1) LMP Subver: 0x757
Manufacturer: Silicon Wave (11)

Everything starts fine, I can get packets flowing.

Then, without warning, the connection stalls.

hcidump on A finishes off with:
44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 41
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 41
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 41
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 41
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 41
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 41
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 < ACL data: handle 41 flags 0x02 dlen 75
L2CAP(d): cid 0x0040 len 71 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
44.000000 > HCI Event: Disconn Complete (0x05) plen 4
status 0x00 handle 41 reason 0x13
Reason: Remote User Terminated Connection

Machine B reports:
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 > ACL data: handle 2 flags 0x02 dlen 67
L2CAP(d): cid 0x0040 len 63 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 < ACL data: handle 2 flags 0x02 dlen 59
L2CAP(d): cid 0x0040 len 55 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 > ACL data: handle 2 flags 0x02 dlen 67
L2CAP(d): cid 0x0040 len 63 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 < ACL data: handle 2 flags 0x02 dlen 59
L2CAP(d): cid 0x0040 len 55 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 < ACL data: handle 2 flags 0x02 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 24
L2CAP(d): cid 0x0040 len 260 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 < ACL data: handle 2 flags 0x02 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 9
L2CAP(d): cid 0x0040 len 365 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 > ACL data: handle 2 flags 0x02 dlen 67
L2CAP(d): cid 0x0040 len 63 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 < ACL data: handle 2 flags 0x02 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 38
L2CAP(d): cid 0x0040 len 274 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
handle 2
20.000000 < ACL data: handle 2 flags 0x02 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 94
L2CAP(d): cid 0x0040 len 570 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 < ACL data: handle 2 flags 0x02 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 73
L2CAP(d): cid 0x0040 len 789 [psm 15]
BNEP: Compressed(0x02|0)
[proto 0x0800]
20.000000 < ACL data: handle 2 flags 0x02 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < ACL data: handle 2 flags 0x01 dlen 120
20.000000 < HCI Command: Disconnect (0x01|0x0006) plen 3
handle 2 reason 0x13
Reason: Remote User Terminated Connection
20.000000 > HCI Event: Command Status (0x0f) plen 4
Disconnect (0x01|0x0006) status 0x00 ncmd 1
20.000000 > HCI Event: Disconn Complete (0x05) plen 4
status 0x00 handle 2 reason 0x16
Reason: Connection Terminated by Local Host

(Aside: The timestamps in hcidump don't appear to be working right.)

After this, trying 'hcitool info' on each querying the other just results in
"Connection timed out".

I can't work out which end is at fault.

Machine A is running an unpatched 2.4.30, machine B 2.4.28. (2.4.29 had USB
issues with my DVD burner.) Both are running bluez-libs and bluez-utils 2.17,
and bluz-hcidump 1.21.

--
-- Michael "Soruk" McConnell
Eridani Star System

MailStripper - "The easy spam filter."
http://mailstripper.eridani.co.uk/

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2005-05-30 11:57:05

by Marcel Holtmann

[permalink] [raw]

Subject: Re: [Bluez-users] BNEP session hangs, can't work out why.

Hi Michael,

> At machine A I have:
> hci0: Type: USB
> BD Address: 00:05:16:58:9D:C1 ACL MTU: 192:8 SCO MTU: 64:8
> UP RUNNING PSCAN ISCAN
> RX bytes:269283 acl:1781 sco:0 events:869 errors:0
> TX bytes:58266 acl:815 sco:0 commands:42 errors:0
> Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
> Link policy: RSWITCH HOLD SNIFF PARK
> Link mode: SLAVE ACCEPT
> Name: 'BlueZ (0)'
> Class: 0x3e0100
> Service Classes: Networking, Rendering, Capturing
> Device Class: Computer, Uncategorized
> HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver: 0x20d
> Manufacturer: Cambridge Silicon Radio (10)
>
> Machine B has:
> hci0: Type: USB
> BD Address: 00:0A:94:13:26:7D ACL MTU: 120:20 SCO MTU: 64:0
> UP RUNNING PSCAN ISCAN
> RX bytes:72835 acl:1541 sco:0 events:1813 errors:0
> TX bytes:266197 acl:2713 sco:0 commands:24 errors:0
> Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
> Link policy: RSWITCH HOLD SNIFF PARK
> Link mode: SLAVE ACCEPT
> Name: 'BlueZ (0)'
> Class: 0x3e0100
> Service Classes: Networking, Rendering, Capturing
> Device Class: Computer, Uncategorized
> HCI Ver: 1.1 (0x1) HCI Rev: 0x0 LMP Ver: 1.1 (0x1) LMP Subver: 0x757
> Manufacturer: Silicon Wave (11)
>
> Everything starts fine, I can get packets flowing.
>
> Then, without warning, the connection stalls.
>
> hcidump on A finishes off with:
> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 41
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 41
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 41
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 41
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 41
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 41
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
> L2CAP(d): cid 0x0040 len 71 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 44.000000 > HCI Event: Disconn Complete (0x05) plen 4
> status 0x00 handle 41 reason 0x13
> Reason: Remote User Terminated Connection
>
> Machine B reports:
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 > ACL data: handle 2 flags 0x02 dlen 67
> L2CAP(d): cid 0x0040 len 63 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 59
> L2CAP(d): cid 0x0040 len 55 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 > ACL data: handle 2 flags 0x02 dlen 67
> L2CAP(d): cid 0x0040 len 63 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 59
> L2CAP(d): cid 0x0040 len 55 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 24
> L2CAP(d): cid 0x0040 len 260 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 9
> L2CAP(d): cid 0x0040 len 365 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 > ACL data: handle 2 flags 0x02 dlen 67
> L2CAP(d): cid 0x0040 len 63 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 38
> L2CAP(d): cid 0x0040 len 274 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
> handle 2
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 94
> L2CAP(d): cid 0x0040 len 570 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 73
> L2CAP(d): cid 0x0040 len 789 [psm 15]
> BNEP: Compressed(0x02|0)
> [proto 0x0800]
> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
> 20.000000 < HCI Command: Disconnect (0x01|0x0006) plen 3
> handle 2 reason 0x13
> Reason: Remote User Terminated Connection
> 20.000000 > HCI Event: Command Status (0x0f) plen 4
> Disconnect (0x01|0x0006) status 0x00 ncmd 1
> 20.000000 > HCI Event: Disconn Complete (0x05) plen 4
> status 0x00 handle 2 reason 0x16
> Reason: Connection Terminated by Local Host
>
> (Aside: The timestamps in hcidump don't appear to be working right.)

they are working for me. Use "hcidump -X -V" and in case of your mailer
it is better you attach it.

> After this, trying 'hcitool info' on each querying the other just results in
> "Connection timed out".

Show the hcidump for this, too.

> I can't work out which end is at fault.

Check dmesg for any error messages.

> Machine A is running an unpatched 2.4.30, machine B 2.4.28. (2.4.29 had USB
> issues with my DVD burner.) Both are running bluez-libs and bluez-utils 2.17,
> and bluz-hcidump 1.21.

What about using a 2.6.12-rc5 kernel?

Regards

Marcel

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2005-06-01 18:06:00

by Michael McConnell

[permalink] [raw]

Subject: Re: [Bluez-users] BNEP session hangs, can't work out why.

Marcel Holtmann wrote:
> Hi Michael,
>
>>At machine A I have:
>>hci0: Type: USB
>> BD Address: 00:05:16:58:9D:C1 ACL MTU: 192:8 SCO MTU: 64:8
>> UP RUNNING PSCAN ISCAN
>> RX bytes:269283 acl:1781 sco:0 events:869 errors:0
>> TX bytes:58266 acl:815 sco:0 commands:42 errors:0
>> Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
>> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
>> Link policy: RSWITCH HOLD SNIFF PARK
>> Link mode: SLAVE ACCEPT
>> Name: 'BlueZ (0)'
>> Class: 0x3e0100
>> Service Classes: Networking, Rendering, Capturing
>> Device Class: Computer, Uncategorized
>> HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver: 0x20d
>> Manufacturer: Cambridge Silicon Radio (10)
>>
>>Machine B has:
>>hci0: Type: USB
>> BD Address: 00:0A:94:13:26:7D ACL MTU: 120:20 SCO MTU: 64:0
>> UP RUNNING PSCAN ISCAN
>> RX bytes:72835 acl:1541 sco:0 events:1813 errors:0
>> TX bytes:266197 acl:2713 sco:0 commands:24 errors:0
>> Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
>> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
>> Link policy: RSWITCH HOLD SNIFF PARK
>> Link mode: SLAVE ACCEPT
>> Name: 'BlueZ (0)'
>> Class: 0x3e0100
>> Service Classes: Networking, Rendering, Capturing
>> Device Class: Computer, Uncategorized
>> HCI Ver: 1.1 (0x1) HCI Rev: 0x0 LMP Ver: 1.1 (0x1) LMP Subver: 0x757
>> Manufacturer: Silicon Wave (11)
>>
>>Everything starts fine, I can get packets flowing.
>>
>>Then, without warning, the connection stalls.
>>
>>hcidump on A finishes off with:
>> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 41
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 41
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 41
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 41
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 41
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 41
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 < ACL data: handle 41 flags 0x02 dlen 75
>> L2CAP(d): cid 0x0040 len 71 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 44.000000 > HCI Event: Disconn Complete (0x05) plen 4
>> status 0x00 handle 41 reason 0x13
>> Reason: Remote User Terminated Connection
>>
>>Machine B reports:
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 > ACL data: handle 2 flags 0x02 dlen 67
>> L2CAP(d): cid 0x0040 len 63 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 59
>> L2CAP(d): cid 0x0040 len 55 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 > ACL data: handle 2 flags 0x02 dlen 67
>> L2CAP(d): cid 0x0040 len 63 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 59
>> L2CAP(d): cid 0x0040 len 55 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 24
>> L2CAP(d): cid 0x0040 len 260 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 9
>> L2CAP(d): cid 0x0040 len 365 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 > ACL data: handle 2 flags 0x02 dlen 67
>> L2CAP(d): cid 0x0040 len 63 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 38
>> L2CAP(d): cid 0x0040 len 274 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 > HCI Event: Number of Completed Packets (0x13) plen 5
>> handle 2
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 94
>> L2CAP(d): cid 0x0040 len 570 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 73
>> L2CAP(d): cid 0x0040 len 789 [psm 15]
>> BNEP: Compressed(0x02|0)
>> [proto 0x0800]
>> 20.000000 < ACL data: handle 2 flags 0x02 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < ACL data: handle 2 flags 0x01 dlen 120
>> 20.000000 < HCI Command: Disconnect (0x01|0x0006) plen 3
>> handle 2 reason 0x13
>> Reason: Remote User Terminated Connection
>> 20.000000 > HCI Event: Command Status (0x0f) plen 4
>> Disconnect (0x01|0x0006) status 0x00 ncmd 1
>> 20.000000 > HCI Event: Disconn Complete (0x05) plen 4
>> status 0x00 handle 2 reason 0x16
>> Reason: Connection Terminated by Local Host
>>
>>(Aside: The timestamps in hcidump don't appear to be working right.)
>
>
> they are working for me. Use "hcidump -X -V" and in case of your mailer
> it is better you attach it.

OK.

>>After this, trying 'hcitool info' on each querying the other just results in
>>"Connection timed out".
>
> Show the hcidump for this, too.

When querying A from B, I get:
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:05:16:58:9D:C1 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1

(after a delay)

> HCI Event: Connect Complete (0x03) plen 11
status 0x24 handle 4 bdaddr 00:05:16:58:9D:C1 type ACL encrypt 0x00
Error: LMP PDU Not Allowed

with hcitool reporting:
Requesting information ...
Can't create connection: Connection timed out

This error is reported before the LMP PDU Not Allowed error.

When querying B from A, I get:
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:0A:94:13:26:7D ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1

(after a delay)

> HCI Event: Connect Complete (0x03) plen 11
status 0x22 handle 41 bdaddr 00:0A:94:13:26:7D type ACL encrypt 0x00
Error: LMP Response Timeout

with hcitool also reporting:
Requesting information ...
Can't create connection: Connection timed out

Again, this error is reported before hcidump reports the timeout.

>>I can't work out which end is at fault.
>
> Check dmesg for any error messages.

Machine B reports:
hci_acl_tx_to: hci0 ACL tx timeout
hci_acl_tx_to: hci0 killing stalled ACL connection C1:9D:58:16:05:00

Machine A has no error messages.

I also paired both machines to my mobile phone.

Machine A reports with "hcitool info 00:0A:28:F8:76:C2
Requesting information ...
BD Address: 00:0A:28:F8:76:C2
Device Name: Motorola V500
LMP Version: 1.1 (0x1) LMP Subversion: 0x700
Manufacturer: Broadcom Corporation (15)
Features: 0xff 0xff 0x0d 0x00 0x00 0x00 0x00 0x00
<3-slot packets> <5-slot packets> <encryption> <slot
offset>
<timing accuracy> <role switch> <hold mode> <sniff mode>
<park state> <RSSI> <channel quality> <SCO link> <HV2
packets>
<HV3 packets> <u-law log> <A-law log> <CVSD> <power
control>
<transparent SCO>

Machine B, however just gives:
Requesting information ...
Can't create connection: Connection timed out

The hcidump is:
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:0A:28:F8:76:C2 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1
> HCI Event: Connect Complete (0x03) plen 11
status 0x24 handle 6 bdaddr 00:0A:28:F8:76:C2 type ACL encrypt 0x00
Error: LMP PDU Not Allowed

Before running BNEP and getting the link to stall, machine B gives the
same "hcitool info" output as Machine A above.

When getting my phone to scan for devices, both machines are found;
machine A is identified by name, but machine B is only identified after
some delay and then only by a string generated from the MAC address.
hcidump on both machines didn't show anything from doing this scan.
When I try to send a phonebook item, machine A refuses the connection
straight away (as I'd expect), but machine B just times out.

After I reset the bluetooth layer on machine B, it can see the phone
just as machine A can.

>>Machine A is running an unpatched 2.4.30, machine B 2.4.28. (2.4.29 had USB
>>issues with my DVD burner.) Both are running bluez-libs and bluez-utils 2.17,
>>and bluz-hcidump 1.21.
>
> What about using a 2.6.12-rc5 kernel?

That's to come, but they're both production systems so it's something
I'm wary about. However, I've since upgraded machine B to 2.4.30.

--
-- Michael "Soruk" McConnell
Eridani Star System

MailStripper - "The easy spam filter."
http://mailstripper.eridani.co.uk/

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