Public bug reported:
Binary package hint: linux-source-2.6.24
The 'airprime' driver (a usb-serial driver designed specifically for
high-speed 3G USB modems) fails on a ThinkPad X61 Tablet:
[ 184.883883] airprime ttyUSB0: airprime_open - failed submitting read urb 0
for port 0, error -2
[ 184.884069] ...repeated 7 times...
Forcing the main 'usbserial' driver to load instead:
sudo modprobe -r airprime usbserial
sudo modprobe usbserial product=12d1 vendor=1003
and re-plugging the device now works. Though for some reason presents 6
devices instead of 2 (or 3):
$ ls -l /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 2008-06-20 00:30 /dev/ttyUSB0
crw-rw---- 1 root dialout 188, 1 2008-06-20 00:29 /dev/ttyUSB1
crw-rw---- 1 root dialout 188, 2 2008-06-20 00:29 /dev/ttyUSB2
crw-rw---- 1 root dialout 188, 3 2008-06-20 00:29 /dev/ttyUSB3
crw-rw---- 1 root dialout 188, 4 2008-06-20 00:29 /dev/ttyUSB4
crw-rw---- 1 root dialout 188, 5 2008-06-20 00:29 /dev/ttyUSB5
Device ID:
$ sudo lsusb -s 5:4
Bus 005 Device 004: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA
Modem
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
airprime fails with Huawei E220 on ThinkPad X61T (usbserial works)
https://bugs.launchpad.net/bugs/241484
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