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From: Andrew Morton <akpm@digeo.com>
To: Vojtech Pavlik <vojtech@ucw.cz>
Cc: linux-yoann@ifrance.com, linux-kernel@vger.kernel.org,
	vojtech@suse.cz, acahalan@cs.uml.edu
Subject: Re: another must-fix: major PS/2 mouse problem
Date: Wed, 4 Jun 2003 00:53:02 -0700	[thread overview]
Message-ID: <20030604005302.41f3b0b8.akpm@digeo.com> (raw)
In-Reply-To: <20030604094737.C5345@ucw.cz>

Vojtech Pavlik <vojtech@ucw.cz> wrote:
>
> On Tue, Jun 03, 2003 at 11:21:55PM -0700, Andrew Morton wrote:
> 
> > We believe that it may be due to the ethernet driver holding interrupts off
> > for too long when the traffic is heavy.
> 
> Note that this doesn't necessarily mean that the ethernet driver
> disables the interrupts for a too long time, it just means that the
> computer is only servicing the network interrupts at that time, and
> since the mouse interrupt does have a lower priority, it's serviced
> not very often and with huge delays.
> 
> In such a case the network driver should either use interrupt mitigation
> if the cards supports it (reading many packets per one interrupt) or
> switch to a polled mode.

Has this problem been observed in 2.4 kernels?


  reply	other threads:[~2003-06-04  7:39 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-01  1:46 another must-fix: major PS/2 mouse problem Albert Cahalan
2003-06-04  5:47 ` Yoann
     [not found]   ` <20030603232155.1488c02f.akpm@digeo.com>
2003-06-04  7:47     ` Vojtech Pavlik
2003-06-04  7:53       ` Andrew Morton [this message]
2003-06-04  8:00         ` Vojtech Pavlik
2003-06-04  8:14           ` Andrew Morton
2003-06-04  8:40             ` Vojtech Pavlik
2003-06-04 19:20               ` Yoann
2003-06-04 23:09             ` Albert Cahalan
     [not found] ` <3EDCF47A.1060605@ifrance.com>
     [not found]   ` <1054681254.22103.3750.camel@cube>
     [not found]     ` <3EDD8850.9060808@ifrance.com>
2003-07-23  0:44       ` Albert Cahalan
2003-07-24 17:30         ` Andrew Morton
2003-07-25  1:46           ` Albert Cahalan
2003-07-26  3:19             ` Andrew Morton
2003-07-26 15:16               ` Zwane Mwaikambo
2003-07-29  2:55                 ` Albert Cahalan
2003-07-29  3:14                   ` Andrew Morton
2003-07-29 12:40                     ` Albert Cahalan
2003-07-29 18:58                       ` Andrew Morton
2003-07-29 19:36                         ` Zwane Mwaikambo
2003-07-29 19:43                         ` Chris Friesen
2003-07-30  5:08                     ` Pavel Machek
2003-07-30  6:32                       ` Andrew Morton
2003-07-30 12:29                       ` Albert Cahalan
2003-07-30 19:18 Mikael Pettersson

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