Сервер сам умер, причина не ясна :/

Привет.
Вот есть сервер, стоял себе месяца 2 работал, и сегодня вдруг не с того не с сего упал! Что для нетвеар мне страшно стало. Такого не замечал с просто так, т.к. ничего не менялось совсем!
Что это может быть?
Что покопать? Что покурить?
Server NEW halted Monday, June 2, 2008 3:13:40.899 pm
Abend 1 on P00: Server-5.70.07: Nonmaskable Interrupt Processor Exception (Error code 000000A0)
Registers:
CS = 0008 DS = 0023 ES = 0023 FS = 0023 GS = 0023 SS = 0010
EAX = 000000C1 EBX = 9072C000 ECX = 00000001 EDX = 000003FA
ESI = 00000080 EDI = 00000000 EBP = 00000000 ESP = 8A45CF30
EIP = 90744E2D FLAGS = 00000046
90744E2D 240F AND AL, 0F
EIP in AIOCOMX.NLM at code start +00003E2Dh
The violation occurred while processing the following instruction:
90744E2D 240F AND AL, 0F
90744E2F 888399000000 MOV [EBX+00000099], AL
90744E35 A801 TEST AL, 01
90744E37 7589 JNZ 90744DC2
90744E39 3C04 CMP AL, 04
90744E3B 0F85A2000000 JNZ 90744EE3
90744E41 31D2 XOR EDX, EDX
90744E43 668B9384000000 MOV DX, [EBX+00000084]
90744E4A 83C205 ADD EDX, 00000005
90744E4D 29C0 SUB EAX, EAX
Server halted Monday, June 2, 2008 3:15:58.070 pm
Abend 1 on P00: Server-5.70.07: Nonmaskable Interrupt Processor Exception (Error code 000000A0)
Registers:
CS = 0008 DS = 0023 ES = 0023 FS = 0023 GS = 0023 SS = 0010
EAX = 00000000 EBX = 80008000 ECX = 000A29C5 EDX = 00000070
ESI = 00000000 EDI = 00010000 EBP = 00000400 ESP = 0009BA20
EIP = 8A266AF8 FLAGS = 00000006
8A266AF8 E300 JECXZ 8A266AFA(no jump)
EIP in UNKNOWN memory area
Server NEW halted Monday, June 2, 2008 3:16:33.058 pm
Abend 2 on P00: Server-5.70.07: Nonmaskable Interrupt Processor Exception (Error code 000000A0)
Registers:
CS = 0008 DS = 0023 ES = 0023 FS = 0023 GS = 0023 SS = 0010
EAX = 00000001 EBX = 8F09D2F4 ECX = 8A66A018 EDX = 9631172E
ESI = 00000000 EDI = 8F09D2F4 EBP = 9468647C ESP = 94686470
EIP = 8A5CC179 FLAGS = 00000246
8A5CC179 3901 CMP [ECX]=00000000, EAX
EIP in LIBNSS.NLM at code start +00004179h
The violation occurred while processing the following instruction:
8A5CC179 3901 CMP [ECX], EAX
8A5CC17B 74FC JZ 8A5CC179
8A5CC17D 8701 XCHG [ECX], EAX
8A5CC17F 3D01000000 CMP EAX, 00000001
8A5CC184 74F3 JZ 8A5CC179
8A5CC186 C3 RET
8A5CC187 E874FFFFFF CALL LIBNSS.NLM|WaitForSpinLock
8A5CC18C EBEB JMP 8A5CC179
8A5CC18E 90 NOP
8A5CC18F 90 NOP
Вот есть сервер, стоял себе месяца 2 работал, и сегодня вдруг не с того не с сего упал! Что для нетвеар мне страшно стало. Такого не замечал с просто так, т.к. ничего не менялось совсем!
Что это может быть?

Server NEW halted Monday, June 2, 2008 3:13:40.899 pm
Abend 1 on P00: Server-5.70.07: Nonmaskable Interrupt Processor Exception (Error code 000000A0)
Registers:
CS = 0008 DS = 0023 ES = 0023 FS = 0023 GS = 0023 SS = 0010
EAX = 000000C1 EBX = 9072C000 ECX = 00000001 EDX = 000003FA
ESI = 00000080 EDI = 00000000 EBP = 00000000 ESP = 8A45CF30
EIP = 90744E2D FLAGS = 00000046
90744E2D 240F AND AL, 0F
EIP in AIOCOMX.NLM at code start +00003E2Dh
The violation occurred while processing the following instruction:
90744E2D 240F AND AL, 0F
90744E2F 888399000000 MOV [EBX+00000099], AL
90744E35 A801 TEST AL, 01
90744E37 7589 JNZ 90744DC2
90744E39 3C04 CMP AL, 04
90744E3B 0F85A2000000 JNZ 90744EE3
90744E41 31D2 XOR EDX, EDX
90744E43 668B9384000000 MOV DX, [EBX+00000084]
90744E4A 83C205 ADD EDX, 00000005
90744E4D 29C0 SUB EAX, EAX
Server halted Monday, June 2, 2008 3:15:58.070 pm
Abend 1 on P00: Server-5.70.07: Nonmaskable Interrupt Processor Exception (Error code 000000A0)
Registers:
CS = 0008 DS = 0023 ES = 0023 FS = 0023 GS = 0023 SS = 0010
EAX = 00000000 EBX = 80008000 ECX = 000A29C5 EDX = 00000070
ESI = 00000000 EDI = 00010000 EBP = 00000400 ESP = 0009BA20
EIP = 8A266AF8 FLAGS = 00000006
8A266AF8 E300 JECXZ 8A266AFA(no jump)
EIP in UNKNOWN memory area
Server NEW halted Monday, June 2, 2008 3:16:33.058 pm
Abend 2 on P00: Server-5.70.07: Nonmaskable Interrupt Processor Exception (Error code 000000A0)
Registers:
CS = 0008 DS = 0023 ES = 0023 FS = 0023 GS = 0023 SS = 0010
EAX = 00000001 EBX = 8F09D2F4 ECX = 8A66A018 EDX = 9631172E
ESI = 00000000 EDI = 8F09D2F4 EBP = 9468647C ESP = 94686470
EIP = 8A5CC179 FLAGS = 00000246
8A5CC179 3901 CMP [ECX]=00000000, EAX
EIP in LIBNSS.NLM at code start +00004179h
The violation occurred while processing the following instruction:
8A5CC179 3901 CMP [ECX], EAX
8A5CC17B 74FC JZ 8A5CC179
8A5CC17D 8701 XCHG [ECX], EAX
8A5CC17F 3D01000000 CMP EAX, 00000001
8A5CC184 74F3 JZ 8A5CC179
8A5CC186 C3 RET
8A5CC187 E874FFFFFF CALL LIBNSS.NLM|WaitForSpinLock
8A5CC18C EBEB JMP 8A5CC179
8A5CC18E 90 NOP
8A5CC18F 90 NOP