Re: [Bug 13354] Entry in "unusual_devs" keeps modem device from switching

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Alan Stern schrieb:

On Fri, 22 May 2009, Gabriel Smolar wrote:
f3ecd100 3492286035 S Co:6:004:0 s 02 01 0000 0008 0000 0 f3ecd100 3492287688 C Co:6:004:0 0 0 f3ecd100 3492287730 S
Co:6:004:0 s 01 0b 0000 0000 0000 0 f3ecd100 3492288692 C
Co:6:004:0 0 0 f3ecd380 3493288931 S Bo:6:004:8 -115 31 =
55534243 78563412 01000000 80000601 00000000 00000000 00000000 000000

>> f3ecd380 3493290782 C Bo:6:004:8 0 31 >
>> f3ecd380 3493290869 S Bi:6:004:7 -115 256 <

f3ecd380 3493291678 C Bi:6:004:7 -32 0


I have no idea what generated these lines. They could have come from a user program; they aren't from usb-storage. They look
like an attempt to switch to modem mode, which apparently did not
succeed.


On my system (recently installed Mandriva 2009.1) I found an udev
rule running the (outdated) "rezero" tool from Option, which
obviously mixed things up completely. It's probably in other distros
too.

Concerning the ID conflict: I'll try and put together a patch for
option_ms.c to make it use the INQUIRY command to identify real
Option devices and leave others alone.

@Filip Aben:
Thanks for the information and the hint about INQUIRY!
Is it correct that all devices from Option with the ID 05c6:1000
return the vendor information "Option" if inquired?


Josua Dietze
--
Man is the only creature on earth enabled to take a
warm meal while flying!                      Loriot

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