On Wed, Jun 05, 2013 at 10:16:47AM -0700, Greg Kroah-Hartman wrote:
> On Wed, Jun 05, 2013 at 10:12:19AM -0700, Greg Kroah-Hartman wrote:
> > On Wed, Jun 05, 2013 at 05:44:44PM +0200, Johan Hovold wrote:
> > > On Wed, Jun 05, 2013 at 08:33:56AM -0700, Greg KH wrote:
> > > > On Wed, Jun 05, 2013 at 12:21:11PM +0200, Johan Hovold wrote:
> > > > > Fix regression introduced by commit 143d9d9616 ("USB: serial: add
> > > > > tiocmiwait subdriver operation") which made the ioctl operation return
> > > > > ENODEV rather than ENOIOCTLCMD when a subdriver TIOCMIWAIT
> > > > > implementation is missing.
> > > >
> > > > Ah, maybe this is the problem I've been trying to track down, I'll queue
> > > > it up and test it out now, thanks.
> > >
> > > What problem would that be? Let me know if it helps.
> >
> > Hm, no, I think we have bigger problems here. Can you use more than one
> > usb-serial device in the system right now on 3.10-rc4, with your
> > patches? I plug in a 4 port edgeport device, and a 1 port pl2303
> > device, and no matter what /dev/ node I access (ttyUSB0-USB4), all the
> > data is sent to the port assigned to /dev/ttyUSB0.
> >
> > I think I have all of my changes backed out of my kernel, that I have
> > been messing with in this area, but it would be good to get verification
> > from someone else right now, as I've been working on this for a few
> > hours now...
>
> Ok, I can duplicate this with a 3.9.4 kernel from openSUSE, so something
> has been broken for a while now.
>
> Time to start bisecting...
Ugh, it's a broken test script. Nevermind, it's one of those weeks it
seems...
greg k-h
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