[Bluez-users] no route to host

[Bluez-users] no route to host

[Rainer Lay]

Hi,

when trying to access rfcomm devices, I get:
minicom: cannot open /dev/rfcomm0: No route to host

rfcomm tells me:
rfcomm0: 00:20:E0:3A:BC:28 channel 3 clean

I am using bluez-utils version 2.19
I cannot find any log files, ...
I can connect to my handy via bluetooth with e.g. wammu

any hints?

kind regards
Rainer


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Re: [Bluez-users] no route to host

[Marcel Holtmann]

Hi Rainer,

> when trying to access rfcomm devices, I get:
> minicom: cannot open /dev/rfcomm0: No route to host
> 
> rfcomm tells me:
> rfcomm0: 00:20:E0:3A:BC:28 channel 3 clean
> 
> I am using bluez-utils version 2.19
> I cannot find any log files, ...
> I can connect to my handy via bluetooth with e.g. wammu

run "hcidump -X -V" to see where the problem might be. What is
"hciconfig -a" telling you?

Regards

Marcel




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Re: [Bluez-users] no route to host

[Rainer Lay]

Marcel Holtmann wrote:
> Hi Rainer,
> 
>> when trying to access rfcomm devices, I get:
>> minicom: cannot open /dev/rfcomm0: No route to host
>>
>> rfcomm tells me:
>> rfcomm0: 00:20:E0:3A:BC:28 channel 3 clean
>>
>> I am using bluez-utils version 2.19
>> I cannot find any log files, ...
>> I can connect to my handy via bluetooth with e.g. wammu
> 
> run "hcidump -X -V" to see where the problem might be. What is
while running minicom, I get no output.

> "hciconfig -a" telling you?

hci0:   Type: USB
        BD Address: 00:20:E0:3A:BC:28 ACL MTU: 192:8 SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:42461 acl:630 sco:0 events:899 errors:0
        TX bytes:16220 acl:497 sco:0 commands:202 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 r51 (0)'
        Class: 0x50010c
        Service Classes:
        Device Class: Computer, Laptop
        HCI Ver: 1.1 (0x1) HCI Rev: 0x222 LMP Ver: 1.1 (0x1) LMP Subver:
0x222
        Manufacturer: Cambridge Silicon Radio (10)



???

rgds, Rainer


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Re: [Bluez-users] no route to host

[Marcel Holtmann]

Hi Rainer,

> >> when trying to access rfcomm devices, I get:
> >> minicom: cannot open /dev/rfcomm0: No route to host
> >>
> >> rfcomm tells me:
> >> rfcomm0: 00:20:E0:3A:BC:28 channel 3 clean
> >>
> >> I am using bluez-utils version 2.19
> >> I cannot find any log files, ...
> >> I can connect to my handy via bluetooth with e.g. wammu
> > 
> > run "hcidump -X -V" to see where the problem might be. What is
> while running minicom, I get no output.
> 
> > "hciconfig -a" telling you?
> 
> hci0:   Type: USB
>         BD Address: 00:20:E0:3A:BC:28 ACL MTU: 192:8 SCO MTU: 64:8

the address in the rfcomm call is the remote address and not the local
one. There is no loopback support in Bluetooth.

Regards

Marcel




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Re: [Bluez-users] no route to host

[Rainer Lay]

Marcel Holtmann wrote:
> Hi Rainer,
> 
>>>> when trying to access rfcomm devices, I get:
>>>> minicom: cannot open /dev/rfcomm0: No route to host
>>>>
>>>> rfcomm tells me:
>>>> rfcomm0: 00:20:E0:3A:BC:28 channel 3 clean
>>>>
>>>> I am using bluez-utils version 2.19
>>>> I cannot find any log files, ...
>>>> I can connect to my handy via bluetooth with e.g. wammu
>>> run "hcidump -X -V" to see where the problem might be. What is
>> while running minicom, I get no output.
>>
>>> "hciconfig -a" telling you?
>> hci0:   Type: USB
>>         BD Address: 00:20:E0:3A:BC:28 ACL MTU: 192:8 SCO MTU: 64:8
> 
> the address in the rfcomm call is the remote address and not the local
> one. There is no loopback support in Bluetooth.
> 

thanx! This was obviously my mistake.
I was to silly to remember my MAC address :-)
Maybe you could at the device comment from rfcomm.conf to the output
too, so silly people like me can detect their errors themselves.

thanx,
Rainer



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