ucom0: could not set data multiplex mode

[Nikolay Pavlov]

On Wednesday,  6 June 2007 at 17:51:34 +0300, Alexander Motin wrote:
> Nikolay Pavlov wrote:
> >>> Hi Warner and Ruslan. Warner i have found that Ruslan is the originator of the patches for
> >>> umodem.c: http://www.freebsd.org/cgi/query-pr.cgi?pr=109838
> >>> So there is already a few CMOTECH devices there. In any case guys here is my "usbdevs -v" output:
> >>> Controller /dev/usb0:
> >>> addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00
> >>> port 1 addr 2: full speed, power 100 mA, config 1, CMOTECH CDMA Technologies(0x5533), CMOTECH CO., LTD.(0x16d8), rev 0.00
> >>> port 2 powered
> >>> I am open to any test ;)
> >> Please, try attached patch:
> >>
> >> # cd /usr/src/sys/dev/usb
> >> # patch < /path/to/ccu550.diff
> >>
> >> Then rebuild and reinstall kernel, reboot and try to use CCU550 with that new kernel.
> >>
> >> Patch is applying cleanly against in -CURRENT:
> >>
> >>  - usb_quirks.c  1.41.2.8
> >>  - usbdevs       1.296
> >>
> >> so update your sources if you have earlier versions of this files or adapt this patch for your files versions.
> > 
> > Yes. This patch works for me. Thank you Ruslan. I can attach and detach
> > the device for now:
> > 
> > And it works. :) Is this possible to commit this Warner?
> > 
> > However i have found one issue. If i am trying to detach it while mpd
> > session is running i see this message from kernel:
> ....
> >  
> > I don't know who is the right person regarding this question.
> > May be the maintainer of the mpd port knows?
> > 
> > Alexander?
> 
> It's a pity, but tty and ng_tty code is still a white region on my
> FreeBSD world map. I have not looked there deep yet and I have no USB
> modem to test it.
> 
> I think you should ask somebody of previous ng_tty committers.
> 
> -- 
> Alexander Motin mav at alkar.net
> Optima Telecom

Ok. The last one person i know how can throw the light upon this is Julian.
If he doesn't know anything regarding this i will submit a PR for future 
investigations.

-- 
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- Best regards, Nikolay Pavlov. <<<-----------------------------------    
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