usb_claim_interface error -6

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baym...@gmail.com

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Oct 19, 2016, 6:57:28 AM10/19/16
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Hey there,

Linux distribution: Ubuntu 14.04 LTS
Installed grgsm with pybombs. Installation went fine.
gnuradio version:v3.7.10.1
Hardware in use: HAK5 SDR kit (USB dongle) it's RTL-SDR. right?


Kindly help me out with this issue. Bugging me for three days. Wireshark is unable to capture gsmtap packets whenever I run grgsm_livemon through the terminal (fig1 attached). Although the livemon window open and shows the data spikes when set to desired frequency but no result in wireshark.  Second error I encounter is that when I start gsm_capture, I got usb_claim_interface error -6 (fig2 attached). The cfile is visible in home directory but i really don't know whether it's being filled with gsm data or not. Similarly when i decode it using grgsm_decode, nothing happens!

I tried the solution (enabling the usb for non root users) in which i created a symlink in /etc/udev/rules.d with name foo.rules and copy pasted the following:
SUBSYSTEM==”usb”, ATTRS{idVendor}==”0bda”, ATTRS{idProduct}==”2838″, GROUP=”adm”, MODE=”0666″, SYMLINK+=”rtl_sdr”

I have entered my product id and vendor id by verifying it through lsusb. But i couldn't reach the solution yet. Please help me out. I ran the complete setup with success few days ago but now its creating issues.

Thanks in adanvce
fig1.png
fig2.png

Zilvinas W

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Oct 19, 2016, 3:52:15 PM10/19/16
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Hi,try this  command: sudo rmmod dvb_usb_rtl28xxu rtl2832
or remove and plug back your device and then try to run sudo wireshark -k -f udp -Y gsmtap -i lo
 ,and grgsm_livemon

Cinaed Simson

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Oct 19, 2016, 4:17:21 PM10/19/16
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On 10/19/2016 03:57 AM, baym...@gmail.com wrote:
> Hey there,
>
> Linux distribution: Ubuntu 14.04 LTS
> Installed grgsm with pybombs. Installation went fine.
> gnuradio version:v3.7.10.1
> Hardware in use: HAK5 SDR kit (USB dongle) it's RTL-SDR. right?
>
>
> Kindly help me out with this issue. Bugging me for three days. Wireshark
> is unable to capture gsmtap packets whenever I run /grgsm_livemon/
> through the terminal (fig1 attached). Although the livemon window open
> and shows the data spikes when set to desired frequency but no result in
> wireshark.

Make sure you're monitoring the loopback interface

127.0.0.1

Second error I encounter is that when I start /gsm_capture/,
> I got *usb_claim_interface error -6 (fig2 attached).

You should blacklist the rtl dongle by adding the enclosed file

/etc/modprobe.d/rtl-blacklist.conf


*The cfile is
> visible in home directory but i really don't know whether it's being
> filled with gsm data or not.**Similarly when i decode it using
> /grgsm_decode/, nothing happens!
>
> I tried the solution (enabling the usb for non root users) in which i
> created a symlink in */etc/udev/rules.d *with name *foo.rules *and copy
> pasted the following:
> SUBSYSTEM==”usb”, ATTRS{idVendor}==”0bda”, ATTRS{idProduct}==”2838″,
> GROUP=”adm”, MODE=”0666″, SYMLINK+=”rtl_sdr”

Remove the symlink and any files you added to /etc/udev/rules.d.

Add the enclosed file

/etc/udev/rules.d/rtl-sdr.rules

>
> I have entered my product id and vendor id by verifying it through
> lsusb. But i couldn't reach the solution yet. Please help me out. I ran
> the complete setup with success few days ago but now its creating issues.

Add yourself to the groups

usb
wireshark

Type

groups

to verify you've been added. Note, need to logout and login to update
your groups.

Also, I'd recommend installing

gqrx

with pybombs.

>
> Thanks in adanvce
>
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rtl-sdr.rules
rtl-blacklist.conf

baym...@gmail.com

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Oct 20, 2016, 1:45:43 AM10/20/16
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I tried your suggested solution but same result as before. Thanks for the reply bdw.. any other solution you may suggest?

baym...@gmail.com

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Oct 20, 2016, 1:50:56 AM10/20/16
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Thanks for the detailed response. I tried your solution (except the gqrx installation) however the error persist. Same error. Can you tell me briefly how would i get benefit with gqrx? whats the role of gqrx in whole thing? can you enclose the link of gqrx installation with pybombs?   i have found this link https://github.com/csete/gqrx  but its manual installation i guess..

Cinaed Simson

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Oct 20, 2016, 3:12:43 PM10/20/16
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On 10/19/2016 10:50 PM, baym...@gmail.com wrote:
> Thanks for the detailed response. I tried your solution (except the gqrx
> installation) however the error persist. Same error.

Reboot the machine.

And note, you can't run two process at the same time which require
access to the dongle - otherwise you'll see the error you're seeing.

Can you tell me
> briefly how would i get benefit with gqrx?

It turns your dongle into a spectrum analyzer.

And it gives you an independent method to debug your problem.

whats the role of gqrx in
> whole thing? can you enclose the link of gqrx installation with
> pybombs? i have found this link https://github.com/csete/gqrx but its
> manual installation i guess..

Assuming you installed grgsm with pybombs, I would guess it's the same
syntax

pybombs gqrx

I've never used pybombs.
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>
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Cinaed Simson

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Oct 24, 2016, 4:02:39 PM10/24/16
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On 10/24/2016 03:57 AM, baymax Robo wrote:
> PFA the rtl_test response. I started the setup without error today but
> still no logs in wireshark. Though it shows DNS and TCP logs but no
> gsmtap logs. I have allocated a frequency from the allocated bands but i
> need to ask how can we actually find the frequency of transmission using
> a command? i need to find that command so that i select the right
> frequency and get the logs.. Thanks for your response.

The rtl_test indicates there's a PLL problem.

Typically this means the receiver has to much noise and can't lock onto
the signal.

Maybe the dongle and antenna are to close to the computer - or the
signal is just to weak.

Or maybe it's a bad antenna - or the wrong antenna for your environment.

If it's a quarter wave antenna (typically come with the rtl dongle) then
maybe it doesn't a sufficient grounding plane. Put a huge of metal under
it - but keep it as far away from the computer as you can.

Try a different USB port.

In install gqrx and see if you have trouble listening to a different
frequency - say a wideband FM station.

-- Cinaed

>
> On Sat, Oct 22, 2016 at 10:05 AM, Cinaed Simson <cinaed...@gmail.com
> <mailto:cinaed...@gmail.com>> wrote:
>
> On 10/21/2016 12:29 AM, baymax Robo wrote:
> > Sometimes it says usb_open error -1 and sometimes it say usb_claim
> > interface error -6
>
> Both of those errors suggest you haven't installed the
> rtl-blacklist.conf in /etc/modprobe.d and rebooted.
>
> Run
>
> rtl_test
>
> in a terminal window and post the output.
>
> You'll have to interrupt the test after about 5 seconds - otherwise it
> will run forever.
>
> -- Cinaed
>
>
> >
> > On Fri, Oct 21, 2016 at 12:12 AM, baymax Robo <baym...@gmail.com <mailto:baym...@gmail.com>
> > <mailto:baym...@gmail.com <mailto:baym...@gmail.com>>> wrote:
> >
> > and you are right about gqrx. installation script with pybombs is
> > /sudo pybombs install gqrx/
> >
> > On Thu, Oct 20, 2016 at 12:12 PM, Cinaed Simson
> > <cinaed...@gmail.com <mailto:cinaed...@gmail.com>
> <mailto:cinaed...@gmail.com <mailto:cinaed...@gmail.com>>>
> wrote:
> >
> > On 10/19/2016 10:50 PM, baym...@gmail.com <mailto:baym...@gmail.com>
> > <mailto:baym...@gmail.com <mailto:baym...@gmail.com>> wrote:
> > > Thanks for the detailed response. I tried your solution (except the gqrx
> > > installation) however the error persist. Same error.
> >
> > Reboot the machine.
> >
> > And note, you can't run two process at the same time which require
> > access to the dongle - otherwise you'll see the error you're seeing.
> >
> > Can you tell me
> > > briefly how would i get benefit with gqrx?
> >
> > It turns your dongle into a spectrum analyzer.
> >
> > And it gives you an independent method to debug your problem.
> >
> > whats the role of gqrx in
> > > whole thing? can you enclose the link of gqrx installation with
> > > pybombs? i have found this link https://github.com/csete/gqrx but its
> > > manual installation i guess..
> >
> > Assuming you installed grgsm with pybombs, I would guess it's
> > the same
> > syntax
> >
> > pybombs gqrx
> >
> > I've never used pybombs.
> >
> > >
> > > On Wednesday, October 19, 2016 at 1:17:21 PM UTC-7, deanic wrote:
> > >
> > > On 10/19/2016 03:57 AM, baym...@gmail.com <mailto:baym...@gmail.com>
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