Oracle process is the kill, please great god answer the following for part of the log
Apr 11 15:39:56 oracle10g kernel: Active: 106349 inactive: 7980727 dirty: 428572 writeback: unstable 0:0 free: 63905 slab: 123344 mapped - file: 86638 mapped - anon: 21058 pagetables: 4878
Apr 11 15:39:56 oracle10g kernel: the DMA free: 3588 KB min: 68 KB low: 84 KB high: 100 KB active: 256 KB inactive: 36 KB present: 16384 KB pages_scanned: 664 all_unreclaimable? Yes
Apr 11 15:39:56 oracle10g kernel: lowmem_reserve [] : 0 0 880 33520
Apr 11 15:39:56 oracle10g kernel: DMA32 free: 0 KB min: 0 KB low: 0 KB high: 0 KB active: 0 KB inactive: 0 KB present: 0 KB pages_scanned: 0 all_unreclaimable? No
Apr 11 15:39:56 oracle10g kernel: lowmem_reserve [] : 0 0 880 33520
Apr 11 15:39:56 oracle10g kernel: Normal free: 3736 KB min: 3756 KB low: 4692 KB high: 5632 KB active: 1244 KB inactive: 980 KB present: 901120 KB pages_scanned: 4115 all_unreclaimable? Yes
Apr 11 15:39:56 oracle10g kernel: lowmem_reserve [] : 0 0 0, 261120
Apr 11 15:39:56 oracle10g kernel: HighMem free: 248296 KB min: 512 KB low: 35372 KB high: 70236 KB active: 423896 KB inactive: 31921892 KB present: 33423360 KB pages_scanned: 0 all_unreclaimable? No
Apr 11 15:39:56 oracle10g kernel: lowmem_reserve [] : 0 0 0 0
Apr 11 15:39:56 oracle10g kernel: the DMA: 1 * 1 * 2 * 4 KB, 8 KB, 16 KB 32 KB 1 * 1 * 1 * 64 KB, 128 KB 256 KB 0 * 1 * 1 * 512 KB, 1024 KB 2048 KB 4096 KB=0 * 1 * 3588 KB
Apr 11 15:39:56 oracle10g kernel: DMA32: empty
Apr 11 15:39:56 oracle10g kernel: Normal: 194 * 22 * 4 KB, 8 KB 4 * 1 * 16 KB and 32 KB 0 * 64 KB 128 KB 0 * 1 * 1 * 256 KB 512 KB 0 * 1 * 1024 KB 2048 KB * 4096 KB=0 3736 KB
Apr 11 15:39:56 oracle10g kernel: HighMem: 0 * 1 * 4 KB, 8 KB 0 * 1 * 1 * 16 KB and 32 KB 64 KB 1 * 1 * 128 KB, 256 KB to 512 KB 0 0 * * 1024 KB 60 * 1 * 2048 KB, 4096 KB=248296 KB
Apr 11 15:39:56 oracle10g kernel: 8066029 pagecache pages
Apr 11 15:39:56 oracle10g kernel: Swap cache: add 234856, 58, delete, find, 58/58 race 0 + 0
Apr 11 15:39:56 oracle10g kernel: Free swap=4467520 KB
Apr 11 15:39:56 oracle10g kernel: Total swap=5406712 KB
Apr 11 15:39:56 oracle10g kernel: Free swap: 4467520 KB
Apr 11 15:39:56 oracle10g kernel: 8585216 pages of RAM
Apr 11 15:39:56 oracle10g kernel: 8355840 pages of HIGHMEM
Apr 11 15:39:56 oracle10g kernel: 301074 reserved pages
Apr 11 15:39:56 oracle10g kernel: 7314593 pages Shared
Apr 11 15:39:56 oracle10g kernel: 234798 pages swap cached
Apr 11 15:39:56 oracle10g kernel: 428572 pages dirty
Apr 11 15:39:56 oracle10g kernel: 0 pages writeback
Apr 11 15:39:56 oracle10g kernel: 86638 pages mapped
Apr 11 15:39:56 oracle10g kernel: 123303 pages slab
Apr 11 15:39:56 oracle10g kernel: 4878 pages pagetables
Apr 11 15:39:56 oracle10g kernel: Out of memory: Killed process 4173, UID, 500 (oracle).
Apr 11 15:40:30 oracle10g kernel: 1-3.1: usb reset low speed usb device using ehci_hcd and address 3
Apr 11 15:40:31 oracle10g kernel: 1-3.2: usb reset low speed usb device using ehci_hcd and address 4
Apr 11 15:43:53 oracle10g avahi - daemon [3998] : Invalid query packet.
Apr 11 15:44:33 oracle10g last message repeated 7 times
Apr 11 15:44:53 oracle10g kernel: 1-3.2: usb reset low speed usb device using ehci_hcd and address 4
Apr 11 15:47:46 oracle10g kernel: 1-3.1: usb reset low speed usb device using ehci_hcd and address 3