From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Greg KH <greg@kroah.com>
Cc: Peter Feuerer <peter@piie.net>, linux-kernel@vger.kernel.org
Subject: Re: [BUG] usb-serial / pl2302 corrupted receive
Date: Wed, 3 Mar 2010 12:14:41 +0000 [thread overview]
Message-ID: <20100303121441.622e271f@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20100302235353.GB2196@kroah.com>
> > 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?
That should no longer be the case. The kfifo buffering implementation
fixed all the broken internal buffering in the usb tty code - or should
have done.
Definitely worthy of more investigation if the second open/closes are
disrupting stuff.
next prev parent reply other threads:[~2010-03-03 12:11 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
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 [this message]
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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