From: "Stuart MacDonald" <stuartm@connecttech.com>
To: <Tim_T_Murphy@Dell.com>, <linux-kernel@vger.kernel.org>
Subject: RE: [2.6.10-bk8] [SERIAL] dropping chars when > 512
Date: Thu, 6 Jan 2005 12:02:18 -0500 [thread overview]
Message-ID: <00f101c4f411$7ae33af0$294b82ce@stuartm> (raw)
In-Reply-To: <4B0A1C17AA88F94289B0704CFABEF1AB0B4D30@ausx2kmps304.aus.amer.dell.com>
From: Tim_T_Murphy@Dell.com [mailto:Tim_T_Murphy@Dell.com]
> Nope, not a typo.
> I'm no expert, but i thought 'status' shows the LSR when an interrupt
> occurs, and LSR = 1 indicates 'data available', while LSR =
> 60 indicates
> transmitter status (40 = THR empty, 20 = THR + shift register empty)?
> so status = 1 indicates an interrupt occurs while transmitter is busy?
That's what I get for not checking the code first. You are correct;
that is exactly what's going on. It shouldn't be a problem.
> I think this is related to tty flip buffer full (size = 512), and no
> low_latency setting (which, if set, hangs the 2.6 SMP
> kernel). but i'm
> not expert enough with serial to know a fix.
That is possible; I'm not familiar with the 2.6 drivers yet so I can't
be of more help.
..Stu
next prev parent reply other threads:[~2005-01-06 17:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-06 16:39 [2.6.10-bk8] [SERIAL] dropping chars when > 512 Tim_T_Murphy
2005-01-06 17:02 ` Stuart MacDonald [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-01-05 19:33 Tim_T_Murphy
2005-01-06 15:49 ` Stuart MacDonald
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