From: Raphael Hertzog <hertzog@debian.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Russell King <rmk+lkml@arm.linux.org.uk>,
Paul Fulghum <paulkf@microgate.com>,
Lee Revell <rlrevell@joe-job.com>,
Linux Kernel ML <linux-kernel@vger.kernel.org>
Subject: Re: How to avoid serial port buffer overruns?
Date: Thu, 17 Aug 2006 17:48:42 +0200 [thread overview]
Message-ID: <20060817154842.GB10818@ouaza.com> (raw)
In-Reply-To: <1155815832.15195.80.camel@localhost.localdomain>
On Thu, 17 Aug 2006, Alan Cox wrote:
> > > > is there's something in the system starving interrupt servicing.
> > > > Serial is very sensitive to that, and increases in other system
> > > > latencies tends to have an adverse impact on serial.
> > >
> > > I see no support for the 16650 specific bits in the driver, so that
> > > alone may be a problem ?
> >
> > Huh? 16550 not 16650. Did you miss this?
>
> Raphael said "I forgot to mention the kind of UART in my mail but it is
> a 16650A"
That's a typo. :-/
Two lines further in the same mail there was:
bash-2.05a# cat /proc/tty/driver/serial
serinfo:1.0 driver revision:
0: uart:16550A port:000003F8 irq:4 tx:31 rx:7 RTS|CTS|DTR|DSR
^^^^^^
So I meant 16550A. Sorry.
Regards,
--
Raphaël Hertzog
Premier livre français sur Debian GNU/Linux :
http://www.ouaza.com/livre/admin-debian/
next prev parent reply other threads:[~2006-08-17 15:52 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-16 10:45 Raphael Hertzog
2006-08-16 14:31 ` Lennart Sorensen
2006-08-16 14:57 ` Raphael Hertzog
2006-08-16 18:44 ` Lee Revell
2006-08-16 19:23 ` Paul Fulghum
2006-08-16 21:12 ` Lee Revell
2006-08-16 22:24 ` Paul Fulghum
2006-08-16 23:10 ` Russell King
2006-08-16 23:15 ` Lee Revell
2006-08-16 23:19 ` Russell King
2006-08-16 23:28 ` Lee Revell
2006-08-17 0:15 ` R: " Giampaolo Tomassoni
2006-08-18 8:48 ` Giampaolo Tomassoni
2006-08-18 17:00 ` Lee Revell
2006-08-18 17:04 ` Russell King
2006-08-18 17:30 ` Lee Revell
2006-08-18 18:34 ` Russell King
2006-08-18 18:52 ` Lee Revell
2006-08-18 19:01 ` Russell King
2006-08-18 19:07 ` Russell King
2006-08-18 19:09 ` Lee Revell
2006-08-17 9:20 ` Alan Cox
2006-08-17 9:28 ` Russell King
2006-08-17 11:57 ` Alan Cox
2006-08-17 13:29 ` Paul Fulghum
2006-08-17 15:48 ` Raphael Hertzog [this message]
2006-08-17 16:10 ` Raphael Hertzog
2006-08-17 16:40 ` Paul Fulghum
2006-08-18 19:31 ` Lee Revell
2006-08-23 12:45 ` Raphael Hertzog
[not found] <fa.AByCsBI8k71hMVzCyQVimrLiDU4@ifi.uio.no>
2006-08-16 14:35 ` Robert Hancock
2006-08-16 14:42 ` Erik Mouw
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