Re: bluez 4.x, SCO socket - connection reset by peer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Marcel,

On Fri, May 22, 2009 at 3:39 PM, Rafael Seste <rseste@xxxxxxxxx> wrote:
> On Fri, May 22, 2009 at 2:14 PM, Hugo Mildenberger
> <Hugo.Mildenberger@xxxxxxxx> wrote:
>> Am Donnerstag, 21. Mai 2009 schrieb Rafael Seste:
>>> Marcel
>>>
>>> On Wed, May 20, 2009 at 5:59 PM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote:
>>> > Hi Rafael,
>>> >
>>> >> I trying to use asterisk (with chan_mobile) to connect with my mobile phone.
>>> >> When there is a incoming/outgoing call, this module creates a
>>> >> sco_socket to send/receive audio packets.
>>> >>
>>> >> socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO)
>>> >>
>>> >> when this socket is ready...it can write data once, after that when it
>>> >> tries to read an error is returned:
>>> >>
>>> >> sco_read() error 104
>>> >>
>>> >> 104 means - connection reset by peer
>>> >>
>>> >> after this i got error 107 - not connect.
>>> >>
>>> >> Some one knows why is the reason of this error 104???
>>> >>
>>> >> kernel 2.6.22.18
>>> >> bluez 4.32
>>> >
>>> > I don't know, but your kernel is ancient. Please re-test with 2.6.30-rc6
>>> > and bluez-4.40 to see if this error still persists.
>>> >
>>> > Regards
>>> >
>>> > Marcel
>>> >
>>> >
>>> >
>>>
>>> I have a setup:
>>> kernel 2.6.9-78.ELsmp #1 SMP Fri Jul 25 00:04:28 EDT 2008 i686 i686
>>> i386 GNU/Linux
>>> and bluez 2.10-3
>>>
>>> and it works fine.
>>>
>>> The difference is the arch that now I changed to an ARM and i can't
>>> install this old kernel.
>>>
>>
>> I can confirm this behaviour on x86 with a CSR Adapter (0a12:0001),
>> a Nokia 6280 V6.43, linux-2.6.30-rc6-00159-ga15ae93 and bluez-4.40.
>>
>> Until today, I thought it might be related to the interaction between
>> the Nokia firmware and Asterisk, but if Rafael says 2.6.9-78/bluez-2.10.3
>> would be working?
>>
>> https://issues.asterisk.org/view.php?id=15075 now has a patch which at
>> least cures the symptoms.
>>
>> I do also see some kernel errors via dmesg:
>>
>> btusb_isoc_complete: hci0 corrupted SCO packet
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
>> btusb_isoc_complete: hci0 corrupted SCO packet
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 46
>> hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
>> [...]
>>
>>
>>
>>
>
> I forgot to tell one important detail. I'm trying to install this
> stuffs in a SoC. It is a ARM
> root@debian:~# uname -a
> Linux debian 2.6.22.18 #1 Thu Mar 19 14:46:22 IST 2009 armv5tejl GNU/Linux
> The kernel that I'm using has a lot of patchs to work in this architecture.
>
> Today I reproduce the same setup in a PC (i386):
> root@ubuntu:/var/log# uname -a
> Linux ubuntu 2.6.22.18 #4 SMP Fri May 22 09:29:09 BRT 2009 i686 GNU/Linux
> bluez 4.32 from apt-get and asterisk 1.6.1.0
>
> and it works....
> Maybe this is an architecture incompatibility..
>
> Investigating the logs from the ARM, I found that the error
> "connection reset by peer" occurs after I hang up.
> So, asterisk writes once in the socket ( I can see the SCO package
> going out in hcidump), then it tries to read from the sco socket but
> there is no data available. It sleeps until some data arrives. The
> only information that arrives is when I hang up so it returns the
> error.
>
> On hcidump output I can see only one sco package from asterisk to
> mobile phone, and no SCO package from mobile to the asterisk.
>
> Could it be some connection configuration problem??
> What kernel drivers/modules are necessary??? I enable the bluetooth
> ones in networking-->bluetooth subsystem support!!
>
>
>
>
>
>
> --
> Rafael S. Seste
> Eng Computação - Unicamp
>

I installed the new kernel 2.6.30-rc6 and bluez 4.40
Now I can hear “audio noise” only, it is not intelligible.
The syslog is flooded by this message:

hci_scodata_packet: hci0 SCO packet for unknown connection handle 63231
hci_scodata_packet: hci0 SCO packet for unknown connection handle 235
hci_scodata_packet: hci0 SCO packet for unknown connection handle 52224
hci_scodata_packet: hci0 SCO packet for unknown connection handle 210
hci_scodata_packet: hci0 SCO packet for unknown connection handle 79
hci_scodata_packet: hci0 SCO packet for unknown connection handle 27646
hci_scodata_packet: hci0 SCO packet for unknown connection handle 204
btusb_isoc_complete: hci0 corrupted SCO packet
hci_scodata_packet: hci0 SCO packet for unknown connection handle 153
hci_scodata_packet: hci0 SCO packet for unknown connection handle 9727
hci_scodata_packet: hci0 SCO packet for unknown connection handle 47616
hci_scodata_packet: hci0 SCO packet for unknown connection handle 159
hci_scodata_packet: hci0 SCO packet for unknown connection handle 35584
hci_scodata_packet: hci0 SCO packet for unknown connection handle 190
hci_scodata_packet: hci0 SCO packet for unknown connection handle 65520
hci_scodata_packet: hci0 SCO packet for unknown connection handle 90
hci_scodata_packet: hci0 SCO packet for unknown connection handle 39679
hci_scodata_packet: hci0 SCO packet for unknown connection handle 65492
hci_scodata_packet: hci0 SCO packet for unknown connection handle 63487
hci_scodata_packet: hci0 SCO packet for unknown connection handle 0
btusb_isoc_complete: hci0 corrupted SCO packet

In hcidump output there are a lot of packets with different lengths
and connection handler (ARM).
The output from the pc that works (x86), all packets have the same
handler and the same length.

Anybody knows why this is happening?

-- 
Rafael S. Seste
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Bluez Devel]     [Linux Wireless Networking]     [Linux Wireless Personal Area Networking]     [Linux ATH6KL]     [Linux USB Devel]     [Linux Media Drivers]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Big List of Linux Books]

  Powered by Linux