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What's going on here? RFCOMM on OPP always gets disconnected

Bluez-devel Pierre-Yves Paulus 2 participants 6 messages Sep 4, 2006 – Sep 15, 2006 Bluetooth drivers

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Hello,

After getting a java OBEX implementation to work last week, it suddenly stopped working. Now, every time I try, the RFCOMM connection gets disconnected shortly. It seems that for some reason the target (n-gage cell phone) is disconnecting. My code is virtually untouched (I reverted back to a backup revision, but due to some mistake on my part I'm only 95% positive it is exactly the version which was working previoulsy).

Just before it stopped working, my usb HUB fried (got lots of error on the bus). Now this bad device is out of the game, and no more errors have been reported in the system logs. Maybe it damaged my dongles, which were plugged in? Or maybe I'm missing something obvious?

Here is a dump of a typical attempt. Does it look correct?

uber ~ # hcidump -XV
HCI sniffer - Bluetooth packet analyzer ver 1.31
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:60:57:BB:4D:92 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000 Packet type: DM1 DM3 DM5 DH1 DH3 DH5

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

    Create Connection (0x01|0x0005) status 0x00 ncmd 1
Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

    status 0x00 handle 12 bdaddr 00:60:57:BB:4D:92 type ACL encrypt 0x00
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 3 scid 0x0040

< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
handle 12 policy 0x0f
Link policy: RSWITCH HOLD SNIFF PARK

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 6

    Write Link Policy Settings (0x02|0x000d) ncmd 1
    status 0x00 handle 12
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
    bdaddr 00:60:57:BB:4D:92 mode 2 clkoffset 0x0000
Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

    Remote Name Request (0x01|0x0019) status 0x00 ncmd 1
Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

handle 12 slots 5

Quoted 1 line

HCI Event: Remote Name Req Complete (0x07) plen 255

    status 0x00 bdaddr 00:60:57:BB:4D:92 name 'N-Gage'
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0040 result 1 status 2
Connection pending - Authorization pending

Quoted 1 line

HCI Event: QoS Setup Complete (0x0d) plen 21

status 0x00 handle 12 flags 0
Service type: 1
Token rate: 44800
Peak bandwith: 0
Latency: 5000
Delay variation: -1

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(s): Connect rsp: dcid 0x004d scid 0x0040 result 0 status 0
      Connection successful
< ACL data: handle 12 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x004d flags 0x00 clen 4
      MTU 1013
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 0
< ACL data: handle 12 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x004d flags 0x00 result 0 clen 0
      Success
Quoted 2 lines

ACL data: handle 12 flags 0x02 dlen 16
ACL data: handle 12 flags 0x01 dlen 2

    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 4
      Success
      MTU 1013
< ACL data: handle 12 flags 0x02 dlen 8
    L2CAP(d): cid 0x004d len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 4

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7

< ACL data: handle 12 flags 0x02 dlen 18
L2CAP(d): cid 0x004d len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 dlci 18 frame_type 0 credit_flow 15 pri 7 ack_timer 0 frame_size 667 max_retrans 0 credits 7

Quoted 2 lines

ACL data: handle 12 flags 0x02 dlen 16
ACL data: handle 12 flags 0x01 dlen 2

L2CAP(d): cid 0x0040 len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8 dlci 18 frame_type 0 credit_flow 14 pri 7 ack_timer 0 frame_size 667 max_retrans 0 credits 3
< ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x004d len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 18 pf 1 ilen 0 fcs 0x32
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 2

===> I accept the connection on the phone right here

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 18 pf 1 ilen 0 fcs 0xf9
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(d): cid 0x004d len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(d): cid 0x004d len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 1 ilen 0 fcs 0xd2 credits 33
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 3

===> I start my OBEX push on /dev/rfcomm0 now.

< ACL data: handle 12 flags 0x02 dlen 15

    L2CAP(d): cid 0x004d len 11 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 7 fcs 0xce
      0000: 80 00 07 10 00 20 00                              ..... .
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 9

    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 18 pf 1 ilen 0 fcs 0x8 credits 4
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 18 pf 1 ilen 7 fcs 0x8 credits 1
      0000: a0 00 07 10 00 07 fc                              .......
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: a0                                                .
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: 5e                                                ^
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: 40                                                @
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: 5e                                                ^
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: 47                                                G
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: 5e                                                ^
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x004d len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce
      0000: 50                                                P
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 4

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 4

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): DISC: cr 0 dlci 18 pf 1 ilen 0 fcs 0xb2
< ACL data: handle 12 flags 0x02 dlen 8
    L2CAP(d): cid 0x004d len 4 [psm 3]
      RFCOMM(s): UA: cr 0 dlci 18 pf 1 ilen 0 fcs 0x98
< ACL data: handle 12 flags 0x02 dlen 8
    L2CAP(d): cid 0x004d len 4 [psm 3]
      RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs 0xfd
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x004d scid 0x0040
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(s): Disconn rsp: dcid 0x004d scid 0x0040
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 3
< HCI Command: Disconnect (0x01|0x0006) plen 3
handle 12 reason 0x13
Reason: Remote User Terminated Connection

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

    Disconnect (0x01|0x0006) status 0x00 ncmd 1
Quoted 1 line

HCI Event: Disconn Complete (0x05) plen 4

status 0x00 handle 12 reason 0x16
Reason: Connection Terminated by Local Host

Any help or hint very welcome...

Regards,
Pierre-Yves

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#2 lore raw
In reply to Marcel Holtmann

Hello Marcel,

Quoted 2 lines

in case please to "hcidump -X -V --obex=9". I am not going to decide OBEX by hand if I don't have to.

Sorry, here it is:

HCI sniffer - Bluetooth packet analyzer ver 1.31
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:60:57:BB:4D:92 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000 Packet type: DM1 DM3 DM5 DH1 DH3 DH5

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

    Create Connection (0x01|0x0005) status 0x00 ncmd 1
Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

    status 0x00 handle 12 bdaddr 00:60:57:BB:4D:92 type ACL encrypt 0x00
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 3 scid 0x0040

< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
handle 12 policy 0x0f
Link policy: RSWITCH HOLD SNIFF PARK

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 6

    Write Link Policy Settings (0x02|0x000d) ncmd 1
    status 0x00 handle 12
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
    bdaddr 00:60:57:BB:4D:92 mode 2 clkoffset 0x0000
Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

    Remote Name Request (0x01|0x0019) status 0x00 ncmd 1
Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

handle 12 slots 5

Quoted 1 line

HCI Event: Remote Name Req Complete (0x07) plen 255

    status 0x00 bdaddr 00:60:57:BB:4D:92 name 'N-Gage'
Quoted 1 line

HCI Event: QoS Setup Complete (0x0d) plen 21

status 0x00 handle 12 flags 0
Service type: 1
Token rate: 44800
Peak bandwith: 0
Latency: 5000
Delay variation: -1

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0040 result 1 status 2
Connection pending - Authorization pending

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(s): Connect rsp: dcid 0x0052 scid 0x0040 result 0 status 0
      Connection successful
< ACL data: handle 12 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0052 flags 0x00 clen 4
      MTU 1013 
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 0
< ACL data: handle 12 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0052 flags 0x00 result 0 clen 0
      Success
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 18

    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 4
      Success
      MTU 1013 
< ACL data: handle 12 flags 0x02 dlen 8
    L2CAP(d): cid 0x0052 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c 
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 4

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7 

< ACL data: handle 12 flags 0x02 dlen 18
L2CAP(d): cid 0x0052 len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 dlci 18 frame_type 0 credit_flow 15 pri 7 ack_timer 0 frame_size 667 max_retrans 0 credits 7

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 18

L2CAP(d): cid 0x0040 len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8 dlci 18 frame_type 0 credit_flow 14 pri 7 ack_timer 0 frame_size 667 max_retrans 0 credits 3
< ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0052 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 18 pf 1 ilen 0 fcs 0x32 
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 2

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 18 pf 1 ilen 0 fcs 0xf9 
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(d): cid 0x0052 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 0 b3 0 len 0
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 0 b3 0 len 0
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(d): cid 0x0052 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 0 b3 0 len 0
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 18 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 0 b3 0 len 0
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x0052 len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 1 ilen 0 fcs 0xd2 credits 33
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

handle 12 packets 3
< ACL data: handle 12 flags 0x02 dlen 15

    L2CAP(d): cid 0x0052 len 11 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 7 fcs 0xce 
        OBEX: Connect cmd(f): len 7 version 1.0 flags 0 mtu 8192
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 9

    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 18 pf 1 ilen 0 fcs 0x8 credits 4
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 18 pf 1 ilen 7 fcs 0x8 credits 1
        OBEX: Connect rsp(f): status 200 len 7 version 1.0 flags 0 mtu
2044
        Status 200 = Success
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x0052 len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 18 pf 0 ilen 1 fcs 0xce 
        OBEX: Connect rsp(f): status 200 len 0 version 0.0 flags 0 mtu
8192
        Status 200 = Success
        Unknown (0x20) = Unicode length 18508
        0000: 4c 44 11 00 00 00 00 00  00 00 00 07 fc 20 00 00
LD........... ..
        0010: 00 00 61 0b 02 00 00 00  00 00 00 00 00 00 00
00  ..a.............
        0020: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0030: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0040: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0050: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0060: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00

00 ................

Then, about 8000 times (the full log including what's above is 8203 lines long) the same line full of 0's, before hcidump does crash with a segfault

Regards,
Pierre-Yves

-------------------------------------------------------------------------
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maintainer
#1 lore raw
In reply to Pierre-Yves Paulus

Hi Pierre-Yves,

Quoted 10 lines

After getting a java OBEX implementation to work last week, it suddenly stopped working. Now, every time I try, the RFCOMM connection gets disconnected shortly. It seems that for some reason the target (n-gage cell phone) is disconnecting. My code is virtually untouched (I reverted back to a backup revision, but due to some mistake on my part I'm only 95% positive it is exactly the version which was working previoulsy).

Just before it stopped working, my usb HUB fried (got lots of error on the bus). Now this bad device is out of the game, and no more errors have been reported in the system logs. Maybe it damaged my dongles,

in case please to "hcidump -X -V --obex=9". I am not going to decide OBEX by hand if I don't have to.

Regards

Marcel

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Bluez-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/bluez-devel

maintainer
#3 lore raw
In reply to Pierre-Yves Paulus

HI Pierre-Yves,

Quoted 2 lines
Quoted 2 lines

in case please to "hcidump -X -V --obex=9". I am not going to decide OBEX by hand if I don't have to.

please check that their OPP service is still on channel 9. The channel numbers might have changed and you connect to the wrong channel.

Regards

Marcel

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Bluez-devel mailing list
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#4 lore raw

Hi marcel,

Quoted 5 lines
Quoted 2 lines
Quoted 2 lines

in case please to "hcidump -X -V --obex=9". I am not going to decide OBEX by hand if I don't have to.

please check that their OPP service is still on channel 9. The channel numbers might have changed and you connect to the wrong channel.

I just checked, but it is not the case: OPP is still on the channel 9. I get the prompt to accept the incoming object, but past that point it always does behave like in the log I posted earlier. If I was on the wrong channel, how could I get this as I do?

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 18 pf 1 ilen 7 fcs 0x8 credits 1
        OBEX: Connect rsp(f): status 200 len 7 version 1.0 flags 0 mtu

2044
Status 200 = Success

I did the same test on another phone (SE k750i), and the log looks alike (with the endless list of 0's at the end too). Here it is:

HCI sniffer - Bluetooth packet analyzer ver 1.31
device: hci0 snap_len: 1028 filter: 0xffffffff
< ACL data: handle 12 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 0]
0000: 2b 53 01 6d +S.m

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

L2CAP(d): cid 0x0040 len 4 [psm 0]
0000: 2b 73 01 47 +s.G
< ACL data: handle 12 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 0]
0000: 03 53 01 fd .S..
< ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

L2CAP(d): cid 0x0040 len 4 [psm 0]
0000: 03 73 01 d7 .s..

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 0c 00 03 00 .....
< HCI Command: Disconnect (0x01|0x0006) plen 3
0000: 0c 00 13 ...

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

0000: 00 01 06 04 ....

Quoted 1 line

HCI Event: Disconn Complete (0x05) plen 4

0000: 00 0c 00 16 ....
< HCI Command: Create Connection (0x01|0x0005) plen 13
0000: 0b bf 2c 20 16 00 18 cc 02 00 00 00 01 .., .........

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

0000: 00 01 05 04 ....

Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

0000: 00 0c 00 0b bf 2c 20 16 00 01 00 ....., ....
< ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(s): Connect req: psm 3 scid 0x0040

< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
0000: 0c 00 0f 00 ....

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 6

0000: 01 0d 08 00 0c 00 ......
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
0000: 0b bf 2c 20 16 00 02 00 00 00 .., ......

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

0000: 00 01 19 04 ....

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 0c 00 05 ...

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 1 status 0
Connection pending - No futher information available

Quoted 1 line

HCI Event: Remote Name Req Complete (0x07) plen 255

0000: 00 0b bf 2c 20 16 00 4b 37 35 30 69 00 00 00
00 ..., ..K750i....
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
00a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ...............

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0
      Connection successful
< ACL data: handle 12 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
      MTU 1013 
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 14

    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
      MTU 1013 
< ACL data: handle 12 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success
< ACL data: handle 12 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c 
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 0c 00 04 00 .....

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7 

< ACL data: handle 12 flags 0x02 dlen 18
L2CAP(d): cid 0x0040 len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 dlci 10 frame_type 0 credit_flow 15 pri 7 ack_timer 0 frame_size 1008 max_retrans 0 credits 7

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 19

L2CAP(d): cid 0x0040 len 15 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8 dlci 10 frame_type 0 credit_flow 14 pri 7 ack_timer 0 frame_size 329 max_retrans 0 credits 0
< ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 10 pf 1 ilen 0 fcs 0x8c 
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 10 pf 1 ilen 0 fcs 0x47 
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 10 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 9

    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 10 pf 1 ilen 0 fcs 0x76 credits 20
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 13

    L2CAP(d): cid 0x0040 len 9 [psm 3]
      RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 10 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 10 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 13

    L2CAP(d): cid 0x0040 len 9 [psm 3]
      RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 10 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 10 pf 1 ilen 0 fcs 0xac credits 33
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 0c 00 04 00 .....

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): RPN CMD: cr 0 dlci 0 pf 0 ilen 3 fcs 0xaa mcc_len 1
      dlci 10 br 170 db 2 sb 0 p 1 pt 2 xi 0 xo 0
      rtri 0 rtro 0 rtci 0 rtco 0 xon 73 xoff 1 pm 0x0000
< ACL data: handle 12 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 3]
      RFCOMM(s): RPN RSP: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8
      dlci 10 br 7 db 3 sb 0 p 0 pt 0 xi 0 xo 0
      rtri 0 rtro 0 rtci 0 rtco 0 xon 17 xoff 19 pm 0x3f7f
Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 12

    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): RPN CMD: cr 0 dlci 0 pf 0 ilen 3 fcs 0xaa mcc_len 1
      dlci 10 br 170 db 0 sb 0 p 0 pt 0 xi 1 xo 0
      rtri 0 rtro 0 rtci 1 rtco 0 xon 19 xoff 127 pm 0x703f
< ACL data: handle 12 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 3]
      RFCOMM(s): RPN RSP: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8
      dlci 10 br 7 db 3 sb 0 p 0 pt 0 xi 0 xo 0
      rtri 0 rtro 0 rtci 0 rtco 0 xon 17 xoff 19 pm 0x3f7f
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 0c 00 03 00 .....
< ACL data: handle 12 flags 0x02 dlen 15

    L2CAP(d): cid 0x0040 len 11 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 10 pf 0 ilen 7 fcs 0xb0 
        OBEX: Connect cmd(f): len 7 version 1.0 flags 0 mtu 8192
Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 0c 00 01 00 .....

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 10 pf 1 ilen 7 fcs 0x76 credits 1
        OBEX: Connect rsp(f): status 200 len 7 version 1.0 flags 0 mtu
4096
< ACL data: handle 12 flags 0x02 dlen 9
    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 10 pf 0 ilen 1 fcs 0xb0 
        OBEX: Connect rsp(f): status 200 len 0 version 0.0 flags 0 mtu
8192
        Count (0x00) = Unicode length 65533
        0000: 00 00 11 00 00 00 00 00  00 00 00 10 00 00 00
00  ................
        0010: 00 00 61 0b 02 00 00 00  00 00 00 00 00 00 00
00  ..a.............
        0020: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0030: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0040: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0050: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0060: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0070: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
00  ................
        0080: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00

00 ................

(and it does go on the same way)

Any hint will be very welcome.

Best Regards,
Pierre-Yves

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maintainer
#5 lore raw

Hi Pierre-Yves,

Quoted 16 lines
Quoted 5 lines
Quoted 2 lines
Quoted 2 lines

in case please to "hcidump -X -V --obex=9". I am not going to decide OBEX by hand if I don't have to.

please check that their OPP service is still on channel 9. The channel numbers might have changed and you connect to the wrong channel.

I just checked, but it is not the case: OPP is still on the channel 9. I get the prompt to accept the incoming object, but past that point it always does behave like in the log I posted earlier. If I was on the wrong channel, how could I get this as I do?

Quoted 1 line

ACL data: handle 12 flags 0x02 dlen 16

    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 18 pf 1 ilen 7 fcs 0x8 credits 1
        OBEX: Connect rsp(f): status 200 len 7 version 1.0 flags 0 mtu
Quoted 6 lines

2044
Status 200 = Success

I did the same test on another phone (SE k750i), and the log looks alike (with the endless list of 0's at the end too). Here it is:

I have no clue. Maybe you wanna make sure to recompile every library. It looks like a nasty bug or error in your code.

Regards

Marcel

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Bluez-devel mailing list
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https://lists.sourceforge.net/lists/listinfo/bluez-devel