Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261416AbVBRQ4H (ORCPT ); Fri, 18 Feb 2005 11:56:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261415AbVBRQ4H (ORCPT ); Fri, 18 Feb 2005 11:56:07 -0500 Received: from fire.osdl.org ([65.172.181.4]:1489 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S261407AbVBRQzx (ORCPT ); Fri, 18 Feb 2005 11:55:53 -0500 To: Andries Brouwer cc: linux-kernel@vger.kernel.org, alan@lxorguk.ukuu.org.uk Subject: Re: 2.6.10-ac12 + kernbench == oom-killer: (OSDL) In-reply-to: <20050209013617.GC2686@pclin040.win.tue.nl> References: <20050208145707.1ebbd468@es175> <20050209013617.GC2686@pclin040.win.tue.nl> Comments: In-reply-to Andries Brouwer message dated "Wed, 09 Feb 2005 02:36:17 +0100." Date: Fri, 18 Feb 2005 08:55:47 -0800 From: Cliff White Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2510 Lines: 84 > On Tue, Feb 08, 2005 at 02:57:07PM -0800, cliff white wrote: > > > Running 2.6.10-ac10 on the STP 1-CPU machines, we don't seem to be able to > complete > > a kernbench run without hitting the OOM-killer. ( kernbench is multiple ker > nel compiles, > > of course ) Machine is 800 mhz PIII with 1GB memory. We reduce memory for s > ome of the runs. > > > > Typical results: > > > > Out of Memory: Killed process 14970 (cc1). > > ------------------------- > > It looks like some oom-related stuff went into -ac10, will try retest with > > -ac9 and -ac10, see what happens. Lemme know if we can do more > > I am always curious to hear how things are when you set > /proc/sys/vm/overcommit_memory to 2 > (and possibly /proc/sys/vm/overcommit_ratio to something > appropriate). Okay, with just vm.overcommit=2, things are still bad: http://khack.osdl.org/stp/300854/logs/TestRunFailed.console.log.txt Suggestion for vm.overcommit_ratio ? Or should i repeat with later -ac ? cliffw -----------Some output--------------- Free pages: 8872kB (0kB HighMem) Active:14865 inactive:4118 dirty:0 writeback:629 unstable:0 free:2218 slab:11489 mapped:32027 pagetables:13800 DMA free:1224kB min:128kB low:160kB high:192kB active:552kB inactive:196kB present:16384kB pages_scanned:401 all_unreclaimable? no protections[]: 0 0 0 Normal free:7648kB min:1920kB low:2400kB high:2880kB active:58908kB inactive:16276kB present:245760kB pages_scanned:1395 all_unreclaimable? no protections[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no protections[]: 0 0 0 DMA: 240*4kB 17*8kB 2*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1224kB Normal: 1348*4kB 46*8kB 54*16kB 6*32kB 1*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 7648kB HighMem: empty Swap cache: add 23226854, delete 23224756, find 324015/2933249, race 2549+2365 Out of Memory: Killed process 14667 (rpm). oom-killer: gfp_mask=0xd2 DMA per-cpu: cpu 0 hot: low 2, high 6, batch 1 cpu 0 cold: low 0, high 2, batch 1 Normal per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 HighMem per-cpu: empty ------------------ cliffw > > Andries > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/