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From: Greg KH <greg@kroah.com>
To: Peter Feuerer <peter@piie.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] usb-serial / pl2302 corrupted receive
Date: Tue, 2 Mar 2010 15:53:53 -0800	[thread overview]
Message-ID: <20100302235353.GB2196@kroah.com> (raw)
In-Reply-To: <cone.1267466820.296261.3385.1000@deskpiie>

On Mon, Mar 01, 2010 at 07:07:00PM +0100, Peter Feuerer wrote:
> Hi Greg,
> 
> I tried to flash an AVR microcontroler via an USB to serial
> converter which uses pl2302 driver. It didn't work, so I set up
> following test to reproduce the bug:
> 
> I connected two pls2302 usb-serial converters to two different
> usb-ports of my machine and connected them with a rs232-nullmodem
> cable to each other.
> 
> Terminal1:
> cat /dev/ttyUSB1
> 
> Terminal2:
> while true; do echo 123456789012345678901234567890 > /dev/ttyUSB0 ; done

cat and echo are known to not work well with usb to serial devices.  Can
you duplicate this with a "real" tty program like minicom or something
else?

thanks,

greg k-h

  reply	other threads:[~2010-03-02 23:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-01 18:07 Peter Feuerer
2010-03-02 23:53 ` Greg KH [this message]
2010-03-03 10:47   ` peter
2010-03-03 14:17     ` Johan Hovold
2010-03-03 18:31       ` Andreas Kemnade
2010-03-03 12:14   ` Alan Cox
2010-03-03 14:50     ` Johan Hovold
2010-03-03 15:01       ` [PATCH] USB: pl2303: switch to generic write implementation Johan Hovold
2010-03-03 15:08         ` Oliver Neukum
2010-03-04 11:12           ` [PATCH v2] " Johan Hovold
2010-03-15 23:20             ` Greg KH
2010-03-17  9:16               ` Johan Hovold

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