Sierra MC7354

[Bjørn Mork]

szlin <lin.sunze at gmail.com> writes:

> Hi,
>
> Module name:          Sierra MC7354
> Vendor/Product ID:  0x1199/ 0x68c0

huh? Is that device supported by qmi_wwan?  Care to send a patch?


> LIBQMI version:      1.8
> Linux version:          3.12
>
> I got the following error message *in sometimes*, after seeing that ,
> system will be crashed.
>
> #qmi-network /dev/cdc-wdm0 start
> Loading profile...
>     APN: Internet
> Starting network with 'qmicli -d /dev/cdc-wdm0
> --wds-start-network=Internet  --client-no-release-cid'...
> Saving state... (CID: 9)
> Saving state... (PDH: 1205534464)
> Network started successfully
>
> #qmicli -d /dev/cdc-wdm0 --get-service-version-info
> [   79.644073] qmi_wwan 1-1:1.8: nonzero urb status received: -EPIPE
> [10 Mar 2014, 20:22:03] -Warning ** Error reading from istream: Error
> reading from file descriptor: Input/output error
>
> error: couldn't get service version info: Transaction timed out

Hmm, wonder if that isn't a symptom of a firmware crash maybe?

This crashes the kernel?  If so, then do you have any possibility of
getting me the oops message?  A readable picture of the screen will do.



Bjørn