Date: Wed, 30 Mar 2005 16:14:43 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-usb@freebsd.org Subject: Re: uplcom / ucom problems on RELENG_5 Message-ID: <20050330141443.GA33677@cicely12.cicely.de> In-Reply-To: <6.2.1.2.0.20050330085751.03594e08@64.7.153.2> References: <6.2.1.2.0.20050329222822.04f7c500@64.7.153.2> <20050330104102.GK33677@cicely12.cicely.de> <6.2.1.2.0.20050330071753.055388b8@64.7.153.2> <20050330124923.GR33677@cicely12.cicely.de> <6.2.1.2.0.20050330085751.03594e08@64.7.153.2>
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On Wed, Mar 30, 2005 at 09:03:36AM -0500, Mike Tancsa wrote: > At 07:49 AM 30/03/2005, Bernd Walter wrote: > >That's possible - currently we can't control the transmit/receive > >buffers inside the USB device. > > > >> What more information can I provide to help track this problem down ? > > > >We need to implement complete flushing support for uplcom. > > Hi, > Is this problem particular to the uplcom driver ? In other > words, if I found a serial adaptor or modem based on uftdi would I avoid > this problem ? I don't know for all drivers, but the current uftdi(4) share this problem and likely most/all others too. I have some plans with uftdi driver enhancements so chances are better that this will be fixed with FTDI devices any time soon. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de
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