From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261197AbUCQJLE (ORCPT ); Wed, 17 Mar 2004 04:11:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261215AbUCQJLE (ORCPT ); Wed, 17 Mar 2004 04:11:04 -0500 Received: from fw.osdl.org ([65.172.181.6]:14511 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261197AbUCQJLB (ORCPT ); Wed, 17 Mar 2004 04:11:01 -0500 Date: Wed, 17 Mar 2004 01:10:53 -0800 From: Andrew Morton To: Andrea Arcangeli Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org Subject: Re: 2.4.5-rc1 shm paging blocker Message-Id: <20040317011053.78ae4821.akpm@osdl.org> In-Reply-To: <20040317061522.GN30940@dualathlon.random> References: <20040317061522.GN30940@dualathlon.random> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 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 Andrea Arcangeli wrote: > > One of those patchsets (extracted from kernel CVS) is screwing > completely the paging of shm in 2.6.5-rc1. The malfunction is nearly > no-swapping of shm and machine hanging forever in a sort of live lock > scenario and I've to click reboot. Can't reproduce it, sorry. Stock 2.6.5-rc1 on 4-way with mem=1024M, shmmax=3e9: procs memory swap io system cpu r b swpd free buff cache si so bi bo in cs us sy wa id 0 0 0 908480 15140 76796 0 0 0 0 1017 30 0 0 0 100 0 0 0 908480 15148 76788 0 0 0 76 1010 16 0 0 0 100 0 0 0 908480 15148 76788 0 0 28 0 1030 56 2 0 2 96 41 21 0 865368 15148 115344 0 0 0 0 1011 33978 2 43 0 55 41 31 0 782576 15148 189940 0 0 0 0 1006 64580 5 95 0 0 47 40 0 701688 15148 259368 0 0 0 0 1006 13025 5 95 0 0 69 29 0 656960 15148 291668 0 0 0 0 1005 1918 6 94 0 0 62 29 0 644864 15156 291728 0 0 0 72 1007 4269 6 94 0 0 67 28 0 560192 15156 367888 0 0 0 0 1005 40205 5 95 0 0 67 30 0 511432 15156 406376 0 0 0 0 1005 24601 5 95 0 0 57 39 0 476744 15156 429224 0 0 0 0 1004 12228 6 94 0 0 80 46 0 443264 15156 450916 0 0 0 0 1005 16476 6 94 0 0 87 53 0 387840 15156 493484 0 0 0 0 1005 10994 6 94 0 0 90 49 0 310136 15156 561688 0 0 0 0 1005 39578 5 95 0 0 72 60 0 254384 15156 604936 0 0 0 0 1006 13469 6 94 0 0 104 59 0 198144 15156 652128 0 0 0 0 1006 46466 5 95 0 0 85 71 0 150144 15160 688844 0 0 0 4 1007 38554 5 95 0 0 101 63 0 110080 15160 718356 0 0 0 0 1006 15811 6 94 0 0 84 59 0 72832 15160 743856 0 0 0 0 1005 8047 5 95 0 0 96 60 0 46464 15160 757796 0 0 0 0 1005 11904 6 94 0 0 112 56 0 2696 9332 796740 0 0 0 0 1005 18330 6 94 0 0 85 53 684 2104 1380 796188 0 0 0 116 1000 4171 5 95 0 0 98 48 6416 3412 240 787788 428 5284 428 5284 1524 7250 4 96 0 0 94 47 8140 2908 240 784648 192 1988 192 1988 1034 3397 3 97 0 0 67 58 21632 3132 240 771612 328 10532 328 10532 1206 11524 5 95 0 0 94 73 26796 3796 244 765696 628 4692 628 4696 1184 21272 6 94 0 0 97 89 52528 5960 244 734396 652 8672 652 8672 1122 32257 7 93 0 0 47 97 57584 2164 184 730240 1284 28208 1284 28208 1103 15508 6 94 0 0 34 109 64376 2520 184 724280 1256 2072 1256 2072 1078 37640 4 96 0 0 procs memory swap io system cpu r b swpd free buff cache si so bi bo in cs us sy wa id 131 104 68964 2232 184 719776 716 10304 716 10304 1079 9494 5 95 0 0 Is there some info I'm missing?