Vodafone/Huawei K3770 with usb_modeswitch

Maciej Milewski milu at dat.pl
Tue Apr 3 10:42:58 UTC 2012

Dnia wtorek, 3 kwietnia 2012 12:12:56 Ahmed Ossama pisze:
>  # dmesg | tail
>  umass0:  SCSI over Bulk-Only; quirks = 0x0000
>  umass0:0:0:-1: Attached to scbus0
>  (probe0:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
>  (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
>  (probe0:umass-sim0:0:0:0): SCSI status: Check Condition
>  (probe0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not
>  present)
>  cd0 at umass-sim0 bus 0 scbus0 target 0 lun 0
>  cd0: <Vodafone CD ROM (Huawei) 2.31> Removable CD-ROM SCSI-2 device
>  cd0: 40.000MB/s transfers
>  cd0: Attempt to query device size failed: NOT READY, Medium not present
try loading u3g module first. If that doesn't work then simple ejecting the 
cdrom should help:
 cdcontrol -f /dev/cd0 eject
For long term solution there should be a patch for the u3g module. Please look 
in u3g.c file for similar solutions, there should be a few of them. 

>  I found out that under linux the "usbserial" module is unloaded then
>  loaded using:
>  # modprobe usbserial vendor=0x12d1 product=0x14c9
>  But I don't know how to do that under FreeBSD.
>  I have no clue what to do, and any help is very much appreciated.
>  ---
>  Best Regards,
>  Ahmed Ossama

Maciej Milewski

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