Re: [Bluez-users] Can't connect RFCOMM channel: Resource temporarily unavailable

[Marcel Holtmann <marcel@holtmann.org>]

Hi Swathi,

> As per your request i have pasted the result of
> =E2=80=9Chciconfig -a=E2=80=9D and =E2=80=9Chcidump -X -V=E2=80=9D. Alo=
ng with it
> someother information which i thought might be helpful
> in debugging.
>=20
> When i first started my pc if found that hcid demon
> was not running. So i re-started the bluetooth
> services and made the hcid to run
> -------------------------------------------------------
> [root@localhost bluetooth]# /etc/init.d/bluetooth
> status
> hcid is stopped
> sdpd (pid 1729) is running...
> [root@localhost bluetooth]# /etc/init.d/bluetooth
> restart
> Stopping Bluetooth services:                         =20
>     [FAILED]
> Starting Bluetooth services:                         =20
>     [  OK  ]
> [root@localhost bluetooth]# /etc/init.d/bluetooth
> restart
> Stopping Bluetooth services:                         =20
>     [  OK  ]
> Starting Bluetooth services:                         =20
>     [  OK  ]
> -------------------------------------------------------
>=20
> The headset is being put in the pairing mode. Hcidump
> -X -V is running in the background. I execute the
> btsco command
> -------------------------------------------------------
> [root@localhost /]# btsco 00:08:C6:3E:54:2C -v -r
> btsco v0.4c
> Device is 1:0
> Error: Failed to connect to SDP server: Function not
> implemented
> Assuming channel 2
>=20
> Voice setting: 0x0060
> Can't connect RFCOMM channel: Resource temporarily
> unavailable
> -------------------------------------------------------
>=20
> output of hcidump -X -V is as below
> -------------------------------------------------------
> < HCI Command: Create Connection (0x01|0x0005) plen 13
>     bdaddr 00:08:C6:3E:54:2C 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: PIN Code Request (0x16) plen 6
>     bdaddr 00:08:C6:3E:54:2C
> > HCI Event: Connect Complete (0x03) plen 11
>     status 0x22 handle 41 bdaddr 00:08:C6:3E:54:2C
> type ACL encrypt 0x00
>     Error: LMP Response Timeout
> < HCI Command: Read Voice Setting (0x03|0x0025) plen 0
> > HCI Event: Command Complete (0x0e) plen 6
>     Read Voice Setting (0x03|0x0025) ncmd 1
>     status 0x00 voice setting 0x0060
> < HCI Command: Create Connection (0x01|0x0005) plen 13
>     bdaddr 00:08:C6:3E:54:2C 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: PIN Code Request (0x16) plen 6
>     bdaddr 00:08:C6:3E:54:2C
> > HCI Event: Connect Complete (0x03) plen 11
>     status 0x22 handle 42 bdaddr 00:08:C6:3E:54:2C
> type ACL encrypt 0x00
>     Error: LMP Response Timeout
> -------------------------------------------------------

run the next one with "hcidump -X -V -t" to get the timestamps, but I am
quite sure that the hcid is not running.

> -------------------------------------------------------
> [root@localhost mail]# /etc/init.d/bluetooth status
> hcid (pid 3136) is running...
> sdpd (pid 3140) is running...
> -------------------------------------------------------
> output of =E2=80=9Cps x=E2=80=9D
>  2714 ?        Ss     0:00 hcid: processing events
>  2716 ?        Ss     0:00 sdpd
> -------------------------------------------------------

Are you 100% sure that these are running as root. You might better check
with "ps -u root | grep hcid". The non-matching PIDs make it a little
but suspicious.

Check /var/log/messages for any syslog output. However since this looks
like a RedHat or Fedora distribution, it might be a SELinux problem. If
nothing else works, try to switch it off.

Regards

Marcel




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