Error message followed by server crash!

[Kekes Stamatis]

 Loipon,
 Exo enan digital Alpha me 2 CPU sta 440 MHz kai 1 GB memory me RH 6.2.
 Exo egkatastisei postfix me mysql support + courier IMAP.
 Otan trexo ena perlscript to opoio "diavazei" mia lista xriston apo to 
ena text arxeio kai stelnei peripou 5 Mb e-Mail se kathe ena xristi, sto 
/var/log/messages mou petaei to parakato:

Sep 18 09:59:18 aristofanis kernel: MCPCIA machine check: vector=0x670 
pc=0xfffffe0000017c48 code=0x980000
Sep 18 09:59:18 aristofanis kernel: machine check type: unknown
Sep 18 09:59:18 aristofanis kernel:   paltmp[ 0- 1]    =               
18                0
Sep 18 09:59:18 aristofanis kernel:   paltmp[ 2- 3]    = 
fffffc0000310a58             4400
Sep 18 09:59:18 aristofanis kernel:   paltmp[ 4- 5]    = 
ffffffff80000000 fffffc0001274818
Sep 18 09:59:18 aristofanis kernel:   paltmp[ 6- 7]    = 
fffffc004e0f84a0 fffffc00003106c0
Sep 18 09:59:18 aristofanis kernel:   paltmp[ 8- 9]    = 
1f1e171515020100 fffffc0000310c90
Sep 18 09:59:18 aristofanis kernel:   paltmp[10-11]    = 
fffffe0000017c48 fffffc0000310500
Sep 18 09:59:18 aristofanis kernel:   paltmp[12-13]    = 
fffffc0000310640             6e80
Sep 18 09:59:18 aristofanis kernel:   paltmp[14-15]    =                
0            f0000
Sep 18 09:59:18 aristofanis kernel:   paltmp[16-17]    =       
9806700001                0
Sep 18 09:59:18 aristofanis kernel:   paltmp[18-19]    =                
0 fffffc00004fffc0
Sep 18 09:59:18 aristofanis kernel:   paltmp[20-21]    =           
300000 fffffc0000310580
Sep 18 09:59:18 aristofanis kernel:   paltmp[22-23]    = 
fffffc00005952c8           4fc550
Sep 18 09:59:18 aristofanis kernel:   shadow[ 0- 1]     =                
0                0
Sep 18 09:59:18 aristofanis kernel:   shadow[ 2- 3]     =                
0                0
Sep 18 09:59:18 aristofanis kernel:   shadow[ 4- 5]     =      
b6d00000000                0
Sep 18 09:59:18 aristofanis kernel:   shadow[ 6- 7]     =                
0                0
Sep 18 09:59:18 aristofanis kernel:   Addr of excepting instruction  = 
fffffe0000017c48
Sep 18 09:59:18 aristofanis kernel:   Summary of arithmetic traps    
=                0
Sep 18 09:59:18 aristofanis kernel:   Exception mask                 
=                0
Sep 18 09:59:18 aristofanis kernel:   Base address for PALcode       
=            14000
Sep 18 09:59:18 aristofanis kernel:   Interrupt Status Reg           
=           200000
Sep 18 09:59:18 aristofanis kernel:   CURRENT SETUP OF EV5 IBOX      
=       c164020000
Sep 18 09:59:18 aristofanis kernel:   I-CACHE Reg Tag parity error    
=                0
Sep 18 09:59:18 aristofanis kernel:   D-CACHE error Reg              
=                0
Sep 18 09:59:18 aristofanis kernel:   Effective VA                   
=        12015e000
Sep 18 09:59:18 aristofanis kernel:   Reason for D-stream            
=            16891
Sep 18 09:59:18 aristofanis kernel:   EV5 SCache address             = 
ffffff0000018fef
Sep 18 09:59:18 aristofanis kernel:   EV5 SCache TAG/Data parity     
=                0
Sep 18 09:59:18 aristofanis kernel:   EV5 BC_TAG_ADDR                = 
ffffff804a8f6fff
Sep 18 09:59:18 aristofanis kernel:   EV5 EI_ADDR: Phys addr of Xfer = 
ffffff004883a3bf
Sep 18 09:59:18 aristofanis kernel:   Fill Syndrome                  
=             dc00
Sep 18 09:59:18 aristofanis kernel:   EI_STAT reg                    = 
fffffff005ffffff
Sep 18 09:59:18 aristofanis kernel:   LD_LOCK                        = 
ffffff000059f00f

Exei kaneis idea ti einai ??

P.S. to mazimo e-Mail to kano proton gia crash test tou server kai 
deyteron gia na do poious xristes den exo anoiksei sosta krinontas apo 
ta undeliverable pou mou gyrnane piso.