Why my ensim explodes every week?

I have an ensim on RackShack, and almost every 1 to 2 weeks has to be rebooted.

I have found this on /var/log/messages

what does this means?

Jul 16 05:06:37 ensim kernel: kernel BUG at dcache.c:128!
Jul 16 05:06:37 ensim kernel: invalid operand: 0000
Jul 16 05:06:37 ensim kernel: CPU: 0
Jul 16 05:06:37 ensim kernel: EIP: 0010:[dput+43/384]
Jul 16 05:06:37 ensim kernel: EFLAGS: 00010282
Jul 16 05:06:37 ensim kernel: eax: 0000001c ebx: dba2da60 ecx: fffffffe edx: 00000000
Jul 16 05:06:37 ensim kernel: esi: c813f140 edi: c184fe6c ebp: 00000b71 esp: c1bb7f48
Jul 16 05:06:37 ensim kernel: ds: 0018 es: 0018 ss: 0018
Jul 16 05:06:37 ensim kernel: Process kswapd (pid: 4, stackpage=c1bb7000)
Jul 16 05:06:37 ensim kernel: Stack: c02128db c021297b 00000080 000013fc dba2da60 c813f140 00000000 dba2da
60
Jul 16 05:06:37 ensim kernel: c813f140 c0145d21 dba2da60 c12ec120 c012c80a c12ec120 000000b7 c1bb60
00
Jul 16 05:06:37 ensim kernel: 00000010 000000b7


Do i have faulty hardware? or it is Linux? it is not supposed to be stable?

My server has to be rebooted every week... and hosting customers are not happy about that...

Anybody can help me with this?

thanks!!!

 

 

 

 

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