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alpine-devel

Re: [alpine-devel] [2.6rc2] USB 3G Modems Not Working, Anymore

From: Carlo Landmeter <clandmeter_at_gmail.com>
Date: Sat, 4 May 2013 09:10:18 +0200

On Fri, May 3, 2013 at 4:10 PM, Der Tiger <der.tiger.alpine_at_arcor.de> wrote:

> Hi,
>
> Looks like there is a problem with USB modems (in my case a Huawei
> E372) on 2.6rc1 and 2.6rc2. The modem is recognized and listed in
> /var/log/messages, as well as with 'lsusb', but no /dev/ttyUSB* special
> files are created. I had no such troubles on 2.5. Between the working
> 2.5 and the current, non-operating state there where only two 'sudo apk
> -U upgrade' (to 2.6rc1 and later 2.6rc2, both with reboot afterwards)
> and no other changes to the Alpine system.
>
> At this stage, I cannot pinpoint the problem. Kernel module 'usbserial'
> is loaded and a generic USB-to-serial adapter is recognized and the
> corresponding special file created. My educated guess therefore is an
> issue with 'usb_modeswitch' which can access the USB modem, but exits with:
>
>
> 8<------------------------------------------------------->8
> alpine:~$ sudo usb_modeswitch -v 12d1 -p 1505 -H
>
> Looking for default devices ...
> found matching product ID
> adding device
> Found device in default mode, class or configuration (1)
> Accessing device 003 on bus 005 ...
> Getting the current device configuration ...
> OK, got current device configuration (1)
> Using interface number 0
> Using endpoints 0x01 (out) and 0x81 (in)
> Inquiring device details; driver will be detached ...
> Looking for active driver ...
> OK, driver found; name unknown, limitation of libusb1
> OK, driver "unkown" detached
>
> SCSI inquiry data (for identification)
> -------------------------
> Vendor String: HUAWEI
> Model String: Mass Storage
> Revision String: 2.31
> -------------------------
>
> USB description data (for identification)
> -------------------------
> Manufacturer: Huawei Technologies
> Product: HUAWEI Mobile
> Serial No.: not provided
> -------------------------
> Sending Huawei control message ...
> Error: sending Huawei control message failed (error -32). Aborting.
> 8<------------------------------------------------------->8
>
> I can't tell, if this is caused by the kernel or the usb_modeswitch
> tool. The modem itself is working flawlessly as proofed by connecting it
> to my laptop. A different type of Huawei modem (namely E169) causes the
> same problem on Alpine 2.6rc*.
>
> I'll gladly provide any information required to solve the problem.
>
> Any idea, what's causing this?
>

Do you try this with udev?



>
> Kind Regards, Tiger
>
>
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Received on Sat May 04 2013 - 09:10:18 UTC