Many many thanks!
On 01/08/2012 01:59 AM, Scott Ferguson wrote:
On 08/01/12 08:06, Panayiotis wrote:
Thanks!
Well, sometimes the modem won't get recognized at all (nothing in dmesg
or lsusb), sometimes it will be connected for a while then suddenly
disconnect. Signal strength is weaker than in Windoze (generally no 3G
in Linux).
That makes no sense unless you have it configured so that it is *not*
forced to only use 3G. If you set it up using the Vodaphone software on
Windoof - that's what will have happened.
Yes, sorry, I am allergic to Windows, I could not stay long enough to
find out... :-)
Install cmgt
# apt-get install cmgt
That should be comgt, right?
Find out what devices your modem uses..
eg.:-
$ dmesg | grep GSM | more
[ 10.976642] USB Serial support registered for GSM modem (1-port)
[ 10.978427] option 1-2.4:1.0: GSM modem (1-port) converter detected
[ 10.985660] usb 1-2.4: GSM modem (1-port) converter now attached to
ttyUSB0
[ 10.985877] option 1-2.4:1.1: GSM modem (1-port) converter detected
[ 10.991062] usb 1-2.4: GSM modem (1-port) converter now attached to
ttyUSB1
[ 10.991325] option 1-2.4:1.2: GSM modem (1-port) converter detected
[ 10.997840] usb 1-2.4: GSM modem (1-port) converter now attached to
ttyUSB2
[ 10.998051] option: v0.7.2:USB Driver for GSM modems
[ 1977.595465] option 1-2:1.0: GSM modem (1-port) converter detected
[ 1977.595934] usb 1-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 1977.601047] option 1-2:1.3: GSM modem (1-port) converter detected
[ 1977.601430] usb 1-2: GSM modem (1-port) converter now attached to ttyUSB1
In this case /dev/USBtty0 - 2 are created. Now find out which one it
gets network data from:-
$ cat /dev/USBtty0 (nothing there so kill with Ctrl+C)
^C
$ cat /dev/USBtty1 (bingo!)
+ZPASR: "HSDPA"
+ZPASR: "3G"
<snipped>
Self explanatory.
Edit /usr/bin/sigmon to use that device. There's a backup in /etc/comgt
# nano /usr/bin/sigmon
find the line:-
comgt -d /dev/ttyUSBx sig
and change x to reflect the network port of your device
For this example it's USBtty1
comgt -d /dev/ttyUSB1 sig
Thanks, I followed your instructions, it's /dev/ttyUSB1.
save it, then, run sigmon
# sigmon
Use Ctrl/C to terminate monitoring
Signal Quality: 24,99
Signal Quality:R: "3G"
Signal Quality: 24,99
Signal Quality: 24,99
^C
"24" is the value of the relative signal strength.
Give us the information on your modem and I'll tell you how to boost
that signal, and force your modem to *only* use 3G.
I get some strange output (contains errors):
Signal Quality:: 1, 0, 0
comgt 11:05:44 -> -- Error Report --
comgt 11:05:44 -> ----> ^
comgt 11:05:44 -> Error @224, line 13, String is shorter than second
argument. (7)
Signal
Quality:OWRPT:0000003E,00000000,00000000,0000000000000000,0000000000000000,1FFC2000,00010000
Is the command you want to tell me about "comgt -d /dev/ttyUSB1 3G"? :-)
The worst is that when the disconnects happen (which is
often) I have to plug it out and back in, as NetworkManager can't
reconnect otherwise. I have also tried wvdial, but it's annoying to have
to use a different program, and the signal weakness still applies.
And I have had quite a lot of trouble to get it work at all, including
having to pull in usbmodeswitch from Wheezy.
That should not be necessary. dmesg will tell us.
I want a modem that will "just work"... :-)
The problem is often/usually NetworkManager.
On Σαβ, 2012-01-07 at 21:09 +0200, Andrei Popescu wrote:
On Sb, 07 ian 12, 20:07:29, Panayiotis Karabassis wrote:
To access the internet I have paid for a Vodafone Mobile Internet
Contract. However the provided Huawei usb modem has been nothing but
trouble.
Can you provide some more details? I've used two different Huawei modems
on squeeze without problems.
Kind regards,
Andrei
I've had the same experience as Andrei. With many USB modems.
The relevant lsusb would be nice. :-)
My kernel is 3.0.4-libre-lemote. The output of lsusb follows:
Bus 001 Device 007: ID 12d1:14c9 Huawei Technologies Co., Ltd.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x12d1 Huawei Technologies Co., Ltd.
idProduct 0x14c9
bcdDevice 1.02
iManufacturer 3 HUAWEI
iProduct 2 Vodafone Mobile Broadband (Huawei)
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 177
bNumInterfaces 5
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 2
bInterfaceProtocol 49
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8f EP 15 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8e EP 14 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x0f EP 15 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 2
bInterfaceProtocol 55
iInterface 0
** UNRECOGNIZED: 05 24 00 10 01
** UNRECOGNIZED: 0d 24 0f 01 05 00 00 00 ea 05 03 00 01
** UNRECOGNIZED: 05 24 06 01 01
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8d EP 13 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 2
bInterfaceProtocol 55
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8d EP 13 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8c EP 12 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x0e EP 14 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 2
bInterfaceProtocol 51
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8b EP 11 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x0d EP 13 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 2
bInterfaceProtocol 50
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x8a EP 10 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x0c EP 12 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 32
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 4
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x0b EP 11 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x89 EP 9 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
Cheers
Many thanks again.
--
Best regards,
Panayiotis Karabassis
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