[OpenWrt-Devel] mbim / Sierra Wireless AirCard 340U
blogic at openwrt.org
Tue Apr 7 06:38:36 EDT 2015
On 07/04/2015 12:31, Bjørn Mork wrote:
> David Hutchison <dhutchison at bluemesh.net> writes:
>> Hello John,
>> One of our customers use the 340U, and the latest firmware
>> revision that fixes Windows 8 support.. broke linux support (
>> http://mtekk.us/archives/guides/netgear-aircard-340u-linux/ ) We
>> had to downgrade the firmware on the 340u itself.
> Is this broken on linux with libmbim+ModemManager, or only with
> umbim? Or is it just that the new version forces MBIM mode, while
> the older allows QMI? Or is the problem related to the QMI issues
> discussed here:
the bug report comes from umbim it is a segfault that happens, not nice.
i found some unlocker cards on ebay.com for around 50$ + postage.
might bite the bullet and grab one.
> I don't know if that thread ever concluded with something that
> In any case: Please provide more details. Are you using QMI or
> MBIM? Which firmware revisions are working? not working? Are there
> any visible differences in USB descriptors or other device
> configuration data that could explain the problems. How does it
> break? Errors? Plain dead? Connecting OK, but not forwarding
> traffic? Other???
> I'd prefer that we make Linux work with *any* firmware available to
> the general public instead of requiring specific firmware
> revisions. If at all possible. And if it works with Windows8,
> then it should be possible to make it work with Linux as well :-)
> I don't have any Aircard 340U, but I recently got an EM7305 which
> should be pretty similar (same Qualcomm chipset and Sierra firmware
> codebase). So I might be able to reproduce the problem if I know
> what to look for. Especially the firmware revisions involved...
> Bjørn _______________________________________________ openwrt-devel
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