error (any idea)

["Allan T. Parreno" <theboss iloilo fapenet org>]

hello im using redhat 6.0 and i got this error message on screen.

kmem_free: Bad obj addr (objp=c40b47a0,name=size-128)
Unable to handle kernel NULL pointer deference at vortual address 00000000
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c012043d>]
EFLAGS: 00010202
blah... blah... blah...

Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
In swapper task - not syncing.


This server is running a squid proxy.

thanks.