From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 20 Jan 2001 06:48:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 20 Jan 2001 06:48:42 -0500 Received: from [202.123.212.187] ([202.123.212.187]:60428 "EHLO ns1.b2s.com") by vger.kernel.org with ESMTP id ; Sat, 20 Jan 2001 06:48:29 -0500 Message-ID: <3A697B2B.C5C00B31@vtc.edu.hk> Date: Sat, 20 Jan 2001 19:48:59 +0800 From: Nick Urbanik Organization: Institute of Vocational Education (Tsing Yi) X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.1-pre8 i686) X-Accept-Language: en MIME-Version: 1.0 To: Kernel list Subject: Re: rsync + ssh fail on raid; okay on 2.2.x In-Reply-To: <3A677CFA.DE6F7D93@vtc.edu.hk> Content-Type: text/plain; charset=big5 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Nick Urbanik wrote: > Mark Hahn wrote: > > > > Kernel: 2.4.0, no patches > > > > use 2.4.1-pre8. much better VM tuning. > > Thank you Mark, I will try that. Yes, 2.4.1-pre8 fixes this, apparently completely. Something was severely broken in 2.4.0 memory management. > > > PIII 450MHz, 256MB RAM, Acus P3B-F motherboard (Intel 440BX) > > > Mail going to Raid 1 device > > > The file Inbox is only 2.9MB > > > OS = Red Hat 7 with all updates, both home and work. > > > Same with ppp 2.3.x and ppp 2.4.0 > > > Same whether work machine runs 2.2.16 or 2.4.0 kernel. > > > > any swap? > > Yes, 400MB swap, only a small fraction of it used; vmstat 5 looks okay > and shows no understandable reason for the error message. Here are a > few lines from vmstat: the point at which free memory jumps up is just > after the "Write failed: Cannot allocate memory" message: > > 2 0 0 9276 1792 8952 110388 0 0 378 0 2400 295 11 26 63 > > 2 0 0 9276 1760 8952 110420 0 0 0 0 492 319 6 2 92 > > 3 0 0 9276 1596 8952 110588 0 0 96 0 754 326 8 5 87 > > 2 1 0 9276 1620 8828 110692 0 0 751 207 5378 275 19 74 7 > > 1 0 0 9276 26680 8828 91760 0 0 115 0 1094 307 9 11 80 > > 2 0 0 9276 26680 8828 91760 0 0 0 0 120 318 4 1 95 > > I have many hundreds of MB or GB of disk space in the various > partititions. I will try the newer kernel, though I am interested in > understanding what's going on here too. > > -- > Nick Urbanik, Dept. of Computing and Mathematics > Hong Kong Institute of Vocational Education (Tsing Yi) > email: nicku@vtc.edu.hk > Tel: (852) 2436 8576, (852) 2436 8579 Fax: (852) 2435 1406 > pgp ID: 7529555D fingerprint: 53 B6 6D 73 52 EE 1F EE EC F8 21 98 45 1C 23 7B > > - > 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/ -- Nick Urbanik, Dept. of Computing and Mathematics Hong Kong Institute of Vocational Education (Tsing Yi) email: nicku@vtc.edu.hk Tel: (852) 2436 8576, (852) 2436 8579 Fax: (852) 2435 1406 pgp ID: 7529555D fingerprint: 53 B6 6D 73 52 EE 1F EE EC F8 21 98 45 1C 23 7B - 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/