Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 2 Jan 2002 12:32:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 2 Jan 2002 12:32:01 -0500 Received: from air-1.osdl.org ([65.201.151.5]:17280 "EHLO wookie-laptop.pdx.osdl.net") by vger.kernel.org with ESMTP id ; Wed, 2 Jan 2002 12:31:47 -0500 Subject: Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ? From: "Timothy D. Witham" To: Harald Holzer Cc: "linux-kernel@vger.kernel.org" In-Reply-To: <1009649897.12942.2.camel@hh2.hhhome.at> In-Reply-To: <1009649897.12942.2.camel@hh2.hhhome.at> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0.0.99+cvs.2001.12.15.08.57 (Preview Release) Date: 02 Jan 2002 09:30:52 -0800 Message-Id: <1009992652.1249.11.camel@wookie-laptop.pdx.osdl.net> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The OSDL can get you access to this size of machine. Tim On Sat, 2001-12-29 at 10:18, Harald Holzer wrote: > Are there some i686 SMP systems with more then 12 GB ram out there ? > > Is there a known problem with 2.4.x kernel and such systems ? > > I have the following problem: > > A Intel SRPM8 Server with 32 GB ram and RH 7.2 and kernel 2.4.17 on it. > After doing a lot of disc access the system slows down and the oom > killer begins his work. (only after running some cp processes.) > Because the system is running out of low memory. > > Disable the oom killer has no affect, the low memory is going to 0 > and the system dies. > > It looks like as the buffer_heads would fill the low memory up, > whether there is sufficient memory available or not, as long as > there is sufficient high memory for caching. > > Any ideas ? > > Here some information from /proc/meminfo and /proc/slabinfo some > seconds before dying: > > total: used: free: shared: buffers: cached: > Mem: 33781227520 10787348480 22993879040 0 21807104 10447962112 > Swap: 0 0 0 > MemTotal: 32989480 kB > MemFree: 22454960 kB > MemShared: 0 kB > Buffers: 21296 kB > Cached: 10203088 kB > SwapCached: 0 kB > Active: 27248 kB > Inact_dirty: 10206312 kB > Inact_clean: 0 kB > Inact_target: 2046712 kB > HighTotal: 32636928 kB > HighFree: 22424128 kB > LowTotal: 352552 kB > LowFree: 30832 kB > SwapTotal: 0 kB > SwapFree: 0 kB > > slabinfo - version: 1.1 (statistics) (SMP) > kmem_cache 112 112 284 8 8 1 : 112 112 8 0 0 : 124 62 : 12 9 0 0 > ip_fib_hash 145 145 24 1 1 1 : 145 145 1 0 0 : 252 126 : 8 3 0 0 > urb_priv 0 0 56 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > journal_head 755 11591 56 49 173 1 : 11591 1255589 173 0 0 : 252 126 : 1271927 10219 1272001 9959 > revoke_table 169 169 20 1 1 1 : 169 169 1 0 0 : 252 126 : 0 3 0 0 > revoke_record 126 145 24 1 1 1 : 126 126 1 0 0 : 252 126 : 2 2 3 0 > clip_arp_cache 0 0 124 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > ip_mrt_cache 0 0 84 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > tcp_tw_bucket 0 0 128 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > tcp_bind_bucket 561 580 24 4 4 1 : 561 561 4 0 0 : 252 126 : 4 11 0 0 > tcp_open_request 252 252 92 6 6 1 : 252 252 6 0 0 : 252 126 : 0 12 6 0 > inet_peer_cache 0 0 48 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > ip_dst_cache 176 176 176 8 8 1 : 176 176 8 0 0 : 252 126 : 40 16 22 0 > arp_cache 64 64 120 2 2 1 : 64 64 2 0 0 : 252 126 : 0 4 1 0 > blkdev_requests 1056 1056 88 24 24 1 : 1056 1056 24 0 0 : 252 126 : 1128 48 256 0 > dnotify cache 0 0 28 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > file lock cache 312 312 100 8 8 1 : 312 312 8 0 0 : 252 126 : 19870 16 19876 0 > fasync cache 0 0 24 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > uid_cache 339 339 32 3 3 1 : 339 339 3 0 0 : 252 126 : 1 6 1 0 > skbuff_head_cache 2438 2438 168 106 106 1 : 2438 3950 106 0 0 : 252 126 : 3943 224 3035 12 > sock 129 129 1280 43 43 1 : 129 189 43 0 0 : 60 30 : 435 87 443 2 > sigqueue 252 252 140 9 9 1 : 252 252 9 0 0 : 252 126 : 1111 18 1118 0 > cdev_cache 702 702 48 9 9 1 : 702 702 9 0 0 : 252 126 : 145 18 5 0 > bdev_cache 354 354 64 6 6 1 : 354 354 6 0 0 : 252 126 : 20 12 23 0 > mnt_cache 224 224 68 4 4 1 : 224 224 4 0 0 : 252 126 : 7 7 2 0 > inode_cache 2224 2224 488 278 278 1 : 3872 4638 486 0 0 : 124 62 : 73933 984 72421 23 > dentry_cache 2732 3828 116 116 116 1 : 5181 7701 157 0 0 : 252 126 : 76421 333 74349 21 > dquot 0 0 112 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > filp 578 578 112 17 17 1 : 578 578 17 0 0 : 252 126 : 397 34 0 0 > names_cache 18 18 4096 18 18 1 : 18 18 18 0 0 : 60 30 : 66979 36 66997 0 > buffer_head 2557740 2559882 104 69151 69186 1 : 2559882 3919926 69186 0 0 : 252 126 : 5029666 149166 2542612 10811 > mm_struct 216 216 144 8 8 1 : 216 216 8 0 0 : 252 126 : 1345 16 1317 0 > vm_area_struct 1724 1850 76 37 37 1 : 1850 7772 37 0 0 : 252 126 : 53909 121 53030 48 > fs_cache 588 588 44 7 7 1 : 588 588 7 0 0 : 252 126 : 1347 13 1320 0 > files_cache 171 171 424 19 19 1 : 171 171 19 0 0 : 124 62 : 1335 37 1320 0 > signal_act 162 162 1312 54 54 1 : 162 162 54 0 0 : 60 30 : 1305 103 1317 0 > pae_pgd 791 791 32 7 7 1 : 791 791 7 0 0 : 252 126 : 1346 14 1317 0 > size-131072(DMA) 0 0 131072 0 0 32 : 0 0 0 0 0 : 0 0 : 0 0 0 0 > size-131072 0 0 131072 0 0 32 : 0 0 0 0 0 : 0 0 : 0 0 0 0 > size-65536(DMA) 0 0 65536 0 0 16 : 0 0 0 0 0 : 0 0 : 0 0 0 0 > size-65536 0 0 65536 0 0 16 : 0 0 0 0 0 : 0 0 : 0 0 0 0 > size-32768(DMA) 0 0 32768 0 0 8 : 0 0 0 0 0 : 0 0 : 0 0 0 0 > size-32768 1 1 32768 1 1 8 : 1 2 1 0 0 : 0 0 : 0 0 0 0 > size-16384(DMA) 1 1 16384 1 1 4 : 1 1 1 0 0 : 0 0 : 0 0 0 0 > size-16384 1 1 16384 1 1 4 : 1 1 1 0 0 : 0 0 : 0 0 0 0 > size-8192(DMA) 0 0 8192 0 0 2 : 0 0 0 0 0 : 0 0 : 0 0 0 0 > size-8192 2 3 8192 2 3 2 : 3 41 3 0 0 : 0 0 : 0 0 0 0 > size-4096(DMA) 0 0 4096 0 0 1 : 0 0 0 0 0 : 60 30 : 0 0 0 0 > size-4096 207 237 4096 207 237 1 : 237 597 237 0 0 : 60 30 : 750 486 946 13 > size-2048(DMA) 0 0 2048 0 0 1 : 0 0 0 0 0 : 60 30 : 0 0 0 0 > size-2048 368 428 2048 194 214 1 : 428 2198 214 0 0 : 60 30 : 3169 487 3326 61 > size-1024(DMA) 0 0 1024 0 0 1 : 0 0 0 0 0 : 124 62 : 0 0 0 0 > size-1024 448 448 1024 112 112 1 : 448 448 112 0 0 : 124 62 : 1012 157 890 0 > size-512(DMA) 0 0 512 0 0 1 : 0 0 0 0 0 : 124 62 : 0 0 0 0 > size-512 520 520 512 65 65 1 : 520 520 65 0 0 : 124 62 : 460 115 116 0 > size-256(DMA) 0 0 264 0 0 1 : 0 0 0 0 0 : 124 62 : 0 0 0 0 > size-256 630 630 264 42 42 1 : 630 940 42 0 0 : 124 62 : 5914 82 5810 5 > size-128(DMA) 28 28 136 1 1 1 : 28 28 1 0 0 : 252 126 : 0 2 0 0 > size-128 868 868 136 31 31 1 : 868 869 31 0 0 : 252 126 : 2589 45 2374 0 > size-64(DMA) 0 0 72 0 0 1 : 0 0 0 0 0 : 252 126 : 0 0 0 0 > size-64 583 583 72 11 11 1 : 583 583 11 0 0 : 252 126 : 1200 19 975 0 > size-32(DMA) 92 92 40 1 1 1 : 92 92 1 0 0 : 252 126 : 16 2 0 0 > size-32 1384 2392 40 22 26 1 : 2392 2526 26 0 0 : 252 126 : 2569647 52 2568729 9 > > Regards, > Harald Holzer > > - > 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/ -- Timothy D. Witham - Lab Director - wookie@osdlab.org Open Source Development Lab Inc - A non-profit corporation 15275 SW Koll Parkway - Suite H - Beaverton OR, 97006 (503)-626-2455 x11 (office) (503)-702-2871 (cell) (503)-626-2436 (fax) - 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/