Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 12 Dec 2000 16:43:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 12 Dec 2000 16:43:34 -0500 Received: from mail.eunet.ch ([146.228.10.7]:51461 "EHLO mail.kpnqwest.ch") by vger.kernel.org with ESMTP id ; Tue, 12 Dec 2000 16:43:28 -0500 Message-ID: <3A36A2EA.E25C7271@dial.eunet.ch> Date: Tue, 12 Dec 2000 22:12:58 +0000 From: Mario Vanoni X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.2.18aa1 i686) X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: Andrea Arcangeli Subject: Re: 2.2.18 vanilla on SMP, latency WORKAROUND In-Reply-To: <3A353F65.C471A24@dial.eunet.ch> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Mario Vanoni wrote: > > Same latencies as 2.2.16 and 2.2.17 vanilla, > over 75 seconds to wait on an other screen! > And top(1) on a serial VT510 freezes. > > Machine loaded with 2 setiathome and > Doug Ledford's memtest. > > ASUS P2B-DS Dual PIII550 1024MB memory, > only SCSI devices (no IDE!). > > Andrea Arcangeli's ..17pre6aa2, ..18pre17aa1 > and ..18pre21aa2 reduced the latency <2 secs. > > Regards > Mario Vanoni > > PS If necessary, cc, not in lkml! Patched with Andrea's 2.2.18aa1, with more loads, latency always minor 1-2 seconds. Impossible to reproduce 75 seconds! Mario - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/