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Date:      Tue, 6 Jan 2009 21:04:14 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        Stanislav Sedov <stas@freebsd.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, Alfred Perlstein <alfred@freebsd.org>, src-committers@freebsd.org
Subject:   Re: svn commit: r186730 - in head: lib/libusb20 sys/dev/usb2/controller sys/dev/usb2/core sys/dev/usb2/ethernet sys/dev/usb2/image sys/dev/usb2/include sys/dev/usb2/serial sys/dev/usb2/sound sys/dev/us...
Message-ID:  <200901062104.14919.hselasky@c2i.net>
In-Reply-To: <20090106225628.2c8fdc28.stas@FreeBSD.org>
References:  <200901040012.n040C2gH040928@svn.freebsd.org> <200901062043.20696.hselasky@c2i.net> <20090106225628.2c8fdc28.stas@FreeBSD.org>

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On Tuesday 06 January 2009, Stanislav Sedov wrote:
> On Tue, 6 Jan 2009 20:43:19 +0100
>
> Hans Petter Selasky <hselasky@c2i.net> mentioned:
> > On Tuesday 06 January 2009, Stanislav Sedov wrote:
> > > On Tue, 6 Jan 2009 20:04:51 +0100
> > >
> > > Hans Petter Selasky <hselasky@c2i.net> mentioned:
> > > > On Tuesday 06 January 2009, Stanislav Sedov wrote:
> > > > > http://www.SpringDaemons.com/stas/dmesg
> > > >
> > > > From the debug messages it might look like your device has a problem
> > > > with clearing the stall. Try commenting out the following lines in
> > > > "ubsa2.c":
> > > >
> > > >         /* clear stall at first run */
> > > >         sc->sc_flag |= (UBSA_FLAG_WRITE_STALL |
> > > >             UBSA_FLAG_READ_STALL);
> > >
> > > This doesn't affect anything. :-(
> > >
> > > BTW, sometime I see the following after plugging in the module:
> >
> > In the function "ubsa_cfg_request":
> >
> > Try:
> >
> > 1) Always return - no requests: Do you get AT+OK back on the modem
> > channel?
>
> This doesn't change anything.
>
> > 2) Add pause("DLY", hz / 10); in that function.
>
> After this change the device began to work (that is I'm receiving
> replies for AT commands). However I can connect to it only once,
> after disconnecting "cu" I can communicate with it again only after
> device reset (or reattach).

Can you send me change 2) with debugging output?

--HPS



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