Re: sdptool hanging remote

[Grahame Jordan <gbj@theforce.com.au>]

Hi,

I have tested 4.77 4.80 and git. All appear to have the same issue.


2000-01-02 07:35:12.360814 < ACL data: handle 256 flags 0x02 dlen 18
     L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 4
       MTU 672
2000-01-02 07:35:12.360884 < ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 0
2000-01-02 07:35:12.370559 > HCI Event: Number of Completed Packets 
(0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:12.380596 > HCI Event: Number of Completed Packets 
(0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:12.380628 > ACL data: handle 256 flags 0x02 dlen 18
     L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 4
       MTU 672
2000-01-02 07:35:12.410670 > ACL data: handle 256 flags 0x02 dlen 23
     L2CAP(d): cid 0x0041 len 19 [psm 1]
         SDP SA Req: tid 0x0 len 0xe
           handle 0x1001e
           max 65535
           aid(s) 0x0000 - 0xffff
           cont 00
2000-01-02 07:35:12.412008 < ACL data: handle 256 flags 0x02 dlen 11
     L2CAP(d): cid 0x0041 len 7 [psm 1]
         SDP Error Rsp: tid 0x0 len 0x2
           code 0x2 info none
2000-01-02 07:35:12.430720 > HCI Event: Number of Completed Packets 
(0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:12.430756 > ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Disconn req: dcid 0x0041 scid 0x0041
2000-01-02 07:35:12.430979 < ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Disconn rsp: dcid 0x0041 scid 0x0041
2000-01-02 07:35:12.440583 > HCI Event: Number of Completed Packets 
(0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:12.460651 > ACL data: ha
# Hang here

# Resumed after about 10 seconds
ndle 256 flags 0x02 dlen 12
     L2CAP(s): Connect req: psm 1 scid 0x0042
2000-01-02 07:35:12.460904 < ACL data: handle 256 flags 0x02 dlen 16
     L2CAP(s)i2c: error: timeout
: Connect rsp: dcid 0x0041 scid 0x0042 result 0 status 0
       i2c: msg_num: 0 msg_idx: 1 msg_ptr: 0
Connection successful
2000-01-02 07:35:12.480629 > HCI Event: Ni2c: ICR: 000097e0 ISR: 00000000
umber of Completed Packets (0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:12.510724 > ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 0
2000-01-02 07:35:12.510946 < ACL data: handle 256 flags 0x02 dlen 18
     L2CAP(s): Config rsp: scid 0x0042 flags 0x00 result 0 clen 4
       MTU 672
....

2000-01-02 07:35:34.220696 > ACL data: handle 256 flags 0x02 dlen 23
     L2CAP(d): cid 0x0041 len 19 [psm 1]
         SDP SA Req: tid 0x0 len 0xe
           handle 0x1030a
           max 65535
           aid(s) 0x0000 - 0xffff
           cont 00
2000-01-02 07:35:34.222038 < ACL data: handle 256 flags 0x02 dlen 11
     L2CAP(d): cid 0x0041 len 7 [psm 1]
         SDP Error Rsp: tid 0x0 len 0x2
           code 0x2 info none
2000-01-02 07:35:34.250696 > HCI Event: Number of Completed Packets 
(0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:34.250733 > ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Disconn req: dcid 0x0041 scid 0x0041
2000-01-02 07:35:34.250962 < ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Disconn rsp: dcid 0x0041 scid 0x0041
2000-01-02
# Hang here

# Pressed CTL-C on remote "sdptool records 00:80:37:2F:5A:77"
07:35:34.260581 > HCI Event: Number of Completed Packets (0x13) plen 5
     handle 256 packets 1
2000-01-02 07:35:34.280679 > ACL data: handle 256 flags 0x02 dlen 12
     L2CAP(s): Connect req: psm 1 scid 0x0042
2000-01-02 07:35:34.280930 < ACL data: handle 256 flags 0x02 dlen 16
     L2CAP(s): Connect rsp: dcid 0x0041 scid 0x0042 result 0 status 0
       Connection successful
2000-01-02 07:35:34.300522 > HCI Event: Number of Completed Packets 
(0x13) plen 5
     handle 256 packets 1

...


Thanks

Grahame Jordan


On 24/11/10 04:51, Vinicius Costa Gomes wrote:
> On 16:37 Tue 23 Nov     , Grahame Jordan wrote:
>
>> Hi,
>>
>> I am using bluez-4.77 on a Gumstix Verdex kernel 2.4.32 patch 21
>>
>> When I run:
>> sdptool records 00:80:37:2F:06:08"
>> from the Workstation Ubuntu 10.04 Bluez-4.6? to the Gumstix the Gumstix
>> hangs.
>> It does not hang completely but is very busy. It hangs for about 20
>> seconds and then releases for about 1 second
>> before it locks up again.
>>
> I couldn't find anything that could solve this kind of problem in the logs
> between 4.6 and the git head. But anyway, could you give a try to 4.80, or
> better yet, the git head[1]? and see if the problem still happens?
>
>
>> I have tried this on several different Gumstix with the same issue.
>>
>> Changing workstations from Ubuntu 10.04 to Ubuntu 8.04 does make a
>> difference.
>>   From Ubuntu 8.04 there seems to be no problem. blue-utils 3.26?
>>
>>
> A really helpful piece of information that you could provide is the hcidump[2]
> logs of both cases, just be sure to give hcidump the options "-V" (verbose
> output) and "-t" (timestamps, to see where the hang happens).
>
>
>> Appreciate help
>>
>>
>> Thanks
>>
>> Grahame Jordan
>> --
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>
> Cheers,
>