Re: [Bug #14355] USB serial regression after 2.6.31.1 with Huawei E169 GSM modem

Rafael J. Wysocki
2009-10-27T08:26:14Z

On Tuesday 27 October 2009, Benjamin Herrenschmidt wrote:
> On Mon, 2009-10-26 at 19:55 +0100, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.31. Please verify if it still should be listed and let me know
> > (either way).
>
> Well, the E169 works, though there seem to be a few issues remaining:
>
> - There are reports that the E220 is still broken (by the same
> regression, just that the patch that fixes the E169 doesn't fix the
> E220, but since I don't have one of these, I'm waiting for users to send
> dumps instead of just complaining :-)
>
> - There's a weird glitch where the E169 tend to only work after being
> plugged the -second- time. The first time, the storage device generally
> shows up but not the ttyS's devices for some strange reason. Not sure
> what's up yet. Yanking it and plugging it back works. Could be timing
> related due to the need to load the module.
>
> None of that happens with 2.6.31.1

Well, I guess it's better to leave the bug open in that case.

Thanks,
Rafael