From: Marc-Christian Petersen <m.c.p@wolk-project.de>
To: Michael B Allen <mba2000@ioplex.com>, linux-kernel@vger.kernel.org
Subject: Re: What's the deal McNeil? Bad interactive behavior in X w/ RH's 2.4.18
Date: Tue, 22 Apr 2003 10:06:59 +0200 [thread overview]
Message-ID: <200304221006.09601.m.c.p@wolk-project.de> (raw)
In-Reply-To: <20030422034821.6a57acc0.mba2000@ioplex.com>
On Tuesday 22 April 2003 09:48, Michael B Allen wrote:
Hi Michael,
> I'm running Red Hat 7.3 with their stock 2.4.18-3 kernel on an IBM
> T30. Once every few hours X locks up for 5-10 seconds while the disk
> grinds. If I type in an Xterm the characters are not echoed until the
> disk grinding stops. Then they all come out in a bunch and life is back
> to normal.
> I asked about this on kernelnewbies but the only response was something
> regarding some kind of change to the 'elevator code' but they didn't
> know of a solution.
The problem is, since 2.4.19-pre5 the elevator has changed to give more
throughput but also introduce pauses and even stops while disk i/o.
Redhat's 2.4.18 is not 2.4.18 but something 2.4.19ish(-pre|-pre-ac or so).
> I would like very much for this behavior to go away as it is extremely
> annoying. If there is a patch please let me know where I can get it.
There are some hacks. One by Andrea Arcangeli, one by Neil Schemenauer and one
by Con Kolivas and me. Search the archives please (lowlat elevator/io
scheduler)
ciao, Marc
next prev parent reply other threads:[~2003-04-22 7:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-22 7:48 Michael B Allen
2003-04-22 8:06 ` Marc-Christian Petersen [this message]
2003-04-22 9:35 ` Michael B Allen
2003-04-22 9:56 ` jw schultz
2003-04-22 14:06 ` Alan Cox
2003-04-22 9:59 ` Marc-Christian Petersen
2003-04-23 3:31 ` J Sloan
2003-04-22 14:19 ` Alan Cox
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