Re: usb name in /dev

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community help <helpcomm@xxxxxxxxx> wrote:
Could you please follow the convention of bottom posting, thank you...
>--- On Wed, 12/15/10, James Mckenzie <jjmckenzie51@xxxxxxxxxxxxx> wrote:
>
>> From: James Mckenzie <jjmckenzie51@xxxxxxxxxxxxx>
>> Subject: Re: usb name in /dev
>> To: "Community support for Fedora users" <users@xxxxxxxxxxxxxxxxxxxxxxx>, users@xxxxxxxxxxxxxxxxxxxxxxx
>> Date: Wednesday, December 15, 2010, 6:28 AM
>> Andrew Haley <aph@xxxxxxxxxx>
>> wrote
>> >
>> >On 12/15/2010 12:51 PM, community help wrote:
>> >> Hi,
>> >>
>> >> here is the output of lsusb
>> >>
>> >> Bus 001 Device 003: ID 0b05:170c ASUSTek Computer,
>> Inc. WL-159g
>> >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation
>> 2.0 root hub
>> >> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation
>> 1.1 root hub
>> >> Bus 003 Device 002: ID 12d1:1446 Huawei
>> Technologies Co., Ltd.
>> >> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation
>> 1.1 root hub
>> >> Bus 002 Device 001: ID 1d6b:0001 Linux Foundation
>> 1.1 root hub
>> >>
>> >> In my case i want to configure my 3G modem it is
>> the Huawei Technologies...
>> >> Now i'm able to see it is Device 002 how can I
>> know the name in the /dev directory?
>> >> For the other option and the one submited by
>> another member of the list i cannot guess the name either.
>> >
>> >That's because the drivers actually change the /dev
>> address.  It'll
>> >be in either dmesg or /var/log/messages.
>> >
>> The OP should unplug the device and then plug it back in
>> again.  Then tail the dmesg log and it will show what
>> device was created for the USB Modem.  If no message
>> was created, then you have more work to do, like finding an
>> appropriate driver for your device.
>> 
>> James McKenzie
>> -- 
>> users mailing list
>> users@xxxxxxxxxxxxxxxxxxxxxxx
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>> 
>

>Ok great, here is the output of the tail command and please tell me what is the name in /dev because i can't figure it out:
>--------------------
>Dec 15 15:20:16 localhost kernel: usb 3-1: USB disconnect, address 3
>Dec 15 15:20:16 localhost kernel: scsi 3:0:0:0: rejecting I/O to dead device
>Dec 15 15:20:17 localhost gnome-keyring-daemon[1385]: removing removable location: /media/HDM
>Dec 15 15:20:17 localhost gnome-keyring-daemon[1385]: no volume registered at: /media/HDM
>Dec 15 15:20:25 localhost kernel: usb 3-1: new full speed USB device using ohci_hcd and address 4
>Dec 15 15:20:25 localhost kernel: usb 3-1: New USB device found, idVendor=12d1, idProduct=1446
>Dec 15 15:20:25 localhost kernel: usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=4
>Dec 15 15:20:25 localhost kernel: usb 3-1: Product: HUAWEI Mobile
>Dec 15 15:20:25 localhost kernel: usb 3-1: Manufacturer: HUAÿWEI TECHNOLOGIES
>Dec 15 15:20:25 localhost kernel: usb 3-1: SerialNumber: ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ
>Dec 15 15:20:25 localhost kernel: usb 3-1: configuration #1 chosen from 1 choice
>Dec 15 15:20:25 localhost kernel: scsi4 : SCSI emulation for USB Mass Storage devices
>Dec 15 15:20:30 localhost kernel: scsi 4:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 0
>Dec 15 15:20:30 localhost kernel: sr1: scsi-1 drive
>Dec 15 15:20:30 localhost kernel: sr 4:0:0:0: Attached scsi generic sg2 type 5

And here is your answer:  sr1.  It is also seen as a CD-ROM drive so it might have mounted read-only as well.

James McKenzie

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