From: "Stuart MacDonald" <stuartm@connecttech.com>
To: "Ed Vance" <EdV@macrolink.com>, <dchristian@mail.arc.nasa.gov>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: 2.4.18 serial drops characters with 16654
Date: Thu, 12 Sep 2002 10:55:31 -0400 [thread overview]
Message-ID: <037c01c25a6c$72f7b780$294b82ce@connecttech.com> (raw)
In-Reply-To: 11E89240C407D311958800A0C9ACF7D13A7992@EXCHANGE
Dan, sorry I missed your original message.
From: "Ed Vance" <EdV@macrolink.com>
> On Tue, September 10, 2002 at 3:22 PM, Dan Christian wrote:
> > I've got a 2.4.18-10 (RedHat) running on a 2 processor Athlon (1.5Ghz).
> > If I send data over a PCI 16654 serial card (Connect Tech Blue Heat) and
> > RTSCTS flow control is used, characters are dropped. The drops are
> > pretty consistent. As far as I can tell, the data can only be lost in
> > the driver (I'm re-trying the write until all the data gets out).
Data loss should not happen with flow control on. Please contact
myself directly, or our support (support@con...) desk to open a call.
Otherwise I'll have to look at it in my CFT.
Things I'll need to know:
- kernel version :: 2.4.18-10
- distribution version :: RedHat ??
- serial driver version :: ??
(this is reported at boot, cat /var/log/messages or dmesg)
- are you using our official driver + patch set?
> We use Exar ST16C654D chips on a cPCI 16-port mux we build and have not
> (yet) had a problem report on it for this. Maybe I can reproduce the
symptom
> on this board. What vendor marking is on your UARTs? Could you tell me
more
We're using Exars as well, although perhaps not the rev D.
..Stu
--
We make multiport serial boards.
<http://www.connecttech.com>
(800) 426-8979
next prev parent reply other threads:[~2002-09-12 14:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-11 14:28 2.4.18 serial drops characters with 16654 Ed Vance
2002-09-11 23:12 ` Andreas Steinmetz
2002-09-12 8:20 ` Alan Cox
2002-09-19 17:27 ` Dan Christian
2002-09-19 17:38 ` Alan Cox
2002-09-19 18:01 ` Russell King
2002-09-19 18:38 ` Dan Christian
2002-09-19 18:24 ` Dan Christian
2002-09-19 18:42 ` Alan Cox
2002-09-19 18:43 ` Russell King
2002-09-12 14:55 ` Stuart MacDonald [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-10 22:22 Dan Christian
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