From: Paul Fulghum <paulkf@microgate.com>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Raphael Hertzog <hertzog@debian.org>,
Linux Kernel ML <linux-kernel@vger.kernel.org>
Subject: Re: How to avoid serial port buffer overruns?
Date: Wed, 16 Aug 2006 14:23:01 -0500 [thread overview]
Message-ID: <44E37095.9070200@microgate.com> (raw)
In-Reply-To: <1155753868.3397.41.camel@mindpipe>
Lee Revell wrote:
> On Wed, 2006-08-16 at 12:45 +0200, Raphael Hertzog wrote:
>>Now I switched to stock 2.6 and while the stock kernel improved in
>>responsiveness, it still isn't enough by default (even with
>>CONFIG_PREEMPT=y and CONFIG_HZ=1000). So I wanted to try the "rt" patch of
>>Ingo Molnar and Thomas Gleixner, but the patched kernel doesn't boot (see
>>bug report in a separate mail on this list).
>
>
> Does the serial performance seem to have regressed from 2.4 to 2.6? I
> am chasing a similar issue with a serial MIDI card (supported by the bog
> standard 8250 serial driver) that drops notes under 2.6 but works with
> 2.4. I don't have details yet, but it sounds like a similar problem.
What specific 2.6 kernels are each of you using?
--
Paul Fulghum
Microgate Systems, Ltd.
next prev parent reply other threads:[~2006-08-16 19:23 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-16 10:45 How to avoid serial port buffer overruns? 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 [this message]
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
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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