From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 25 Jul 2005 09:27:01 -0300 From: Marcelo Tosatti Subject: Re: Question about OOM-Killer Message-ID: <20050725122701.GC5429@dmt.cnet> References: <20050718122101.751125ef.washer@trlp.com> <20050718123650.01a49f31.washer@trlp.com> <20050723130048.GA16460@dmt.cnet> <20050725121130.5fed7286.washer@trlp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050725121130.5fed7286.washer@trlp.com> Sender: owner-linux-mm@kvack.org Return-Path: To: James Washer , ak@muc.de Cc: linux-mm@kvack.org List-ID: On Mon, Jul 25, 2005 at 12:11:30PM -0700, James Washer wrote: > Pretty typical message here... > Jul 6 17:31:27 p6 kernel: oom-killer: gfp_mask=0xd1 __GFP_FS|__GFP_IO|__GFP_WAIT|__GFP_DMA > Jul 6 17:31:27 p6 kernel: Node 0 DMA per-cpu: > Jul 6 17:31:27 p6 kernel: cpu 0 hot: low 2, high 6, batch 1 > Jul 6 17:31:27 p6 kernel: cpu 0 cold: low 0, high 2, batch 1 > Jul 6 17:31:27 p6 kernel: cpu 1 hot: low 2, high 6, batch 1 > Jul 6 17:31:27 p6 kernel: cpu 1 cold: low 0, high 2, batch 1 > Jul 6 17:31:27 p6 kernel: Node 0 Normal per-cpu: > Jul 6 17:31:27 p6 kernel: cpu 0 hot: low 32, high 96, batch 16 > Jul 6 17:31:27 p6 kernel: cpu 0 cold: low 0, high 32, batch 16 > Jul 6 17:31:27 p6 kernel: cpu 1 hot: low 32, high 96, batch 16 > Jul 6 17:31:27 p6 kernel: cpu 1 cold: low 0, high 32, batch 16 > Jul 6 17:31:27 p6 kernel: Node 0 HighMem per-cpu: empty > Jul 6 17:31:27 p6 kernel: > Jul 6 17:31:31 p6 gconfd (washer-7174): SIGHUP received, reloading all databases > Jul 6 17:31:37 p6 kernel: Free pages: 16236kB (0kB HighMem) > Jul 6 17:31:38 p6 su(pam_unix)[16136]: session closed for user root > Jul 6 17:31:49 p6 kernel: Active:596167 inactive:854867 dirty:624740 writeback:0 unstable:0 free:4059 slab:52688 mapped:595231 pagetables:4862 > Jul 6 17:32:02 p6 kernel: Node 0 DMA free:20kB min:24kB low:28kB high:36kB active:0kB inactive:0kB present:16384kB pages_scanned:1 all_unreclaimable? yes Andi, Zone DMA is exhausted, filled with non-LRU pages, and some allocator is requesting a GFP_DMA page. Can you enlight us what kind of devices are limited to <16MB on x86-64, and the reasoning for it ? > Jul 6 17:32:06 p6 kernel: lowmem_reserve[]: 0 7152 7152 > Jul 6 17:32:11 p6 kernel: Node 0 Normal free:16216kB min:10808kB low:13508kB high:16212kB active:2384668kB inactive:3419468kB present:7323648kB pages_scanned:0 all_unreclaimable? no > Jul 6 17:32:13 p6 kernel: lowmem_reserve[]: 0 0 0 > Jul 6 17:32:13 p6 kernel: Node 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no > Jul 6 17:32:13 p6 kernel: lowmem_reserve[]: 0 0 0 > Jul 6 17:32:13 p6 kernel: Node 0 DMA: 1*4kB 0*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20kB > Jul 6 17:32:13 p6 kernel: Node 0 Normal: 34*4kB 192*8kB 53*16kB 92*32kB 2*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 1*2048kB 2*4096kB = 16216kB > Jul 6 17:32:13 p6 kernel: Node 0 HighMem: empty > Jul 6 17:32:13 p6 kernel: Swap cache: add 48, delete 48, find 0/0, race 0+0 > Jul 6 17:32:13 p6 kernel: Free swap = 8385728kB > Jul 6 17:32:13 p6 kernel: Total swap = 8385920kB > Jul 6 17:32:13 p6 kernel: Out of Memory: Killed process 10475 (firefox-bin). -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org