서버가 행이걸려 죽을때 메세지입니다-원인을모르겠네요

서버가 행이걸려서 자주 죽네요.^^;;

리눅스는

WOWLiNUX Release 7.1 (Paran)
Kernel 2.4.2-3 on an i686 가 깔려있구여..

메세지 파일은

Nov  4 00:16:10 job kernel: Call Trace: [] [] [] [] [] [] []
Nov  4 00:16:10 job kernel:        [dput+342/384] [sys_shmdt+93/128] [sys_ipc+454/512] [system_call+51/56] [startup_32+43/313]
Nov  4 00:16:10 job kernel:        [] [] [] [] []
Nov  4 00:16:10 job kernel:
Nov  4 00:16:10 job kernel: Code: 0f 0b 83 c4 0c 8b 0d cc f1 33 c0 89 f8 29 c8 69 c0 f1 f0 f0
Nov  4 00:16:27 job kernel: kernel BUG at page_alloc.c:84!
Nov  4 00:16:27 job kernel: invalid operand: 0000
Nov  4 00:16:27 job kernel: CPU:    0
Nov  4 00:16:27 job kernel: EIP:    0010:[__free_pages_ok+75/848]
Nov  4 00:16:27 job kernel: EIP:    0010:[]
Nov  4 00:16:27 job kernel: EFLAGS: 00010286
Nov  4 00:16:27 job kernel: eax: 0000001f   ebx: dee35308   ecx: 00000005   edx: 00000000
Nov  4 00:16:27 job kernel: esi: 00000000   edi: c16aec30   ebp: 00000000   esp: c771bea4
Nov  4 00:16:27 job kernel: ds: 0018   es: 0018   ss: 0018
Nov  4 00:16:27 job kernel: Process oracle (pid: 21257, stackpage=c771b000)
Nov  4 00:16:27 job kernel: Stack: c0234c3f c0234e6d 00000054 c0123e21 df024460 de8ddca0 084071dc 00000000
Nov  4 00:16:27 job kernel:        c16aec30 00400000 00000000 dde63618 c0122849 0000001e 00186000 00000000
Nov  4 00:16:27 job kernel:        00400000 cdbc15a8 00000007 5b400000 cdbc15a8 cdbc1590 00000001 59400000
Nov  3 16:10:22 job kernel: Trying to unmount old root ... okay
Nov  3 16:10:22 job kernel: Freeing unused kernel memory: 532k freed

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Nov  4 09:29:16 job kernel: Uhhuh. NMI received. Dazed and confused, but trying to continue
Nov  4 09:29:16 job kernel: You probably have a hardware problem with your RAM chips

라고 나오는데 마지막줄에 나오는것처럼 램의 상태가 이상한건지 아니면 커널쪽이 이상한건지 궁금합니다..아시는분 답글부탁합니다..