Sun Fire V240 is panicking

Hi All,
Please help me because my Sun Fire V240 is panicking and restarting here is the log: the scripts are automatically run and did not finish
ok devalias
screen                   /pci@1e,600000/SUNW,XVR-100@3
mouse                    /pci@1e,600000/usb@a/device@2/mouse@1
keyboard                 /pci@1e,600000/usb@a/device@2/keyboard@0
xnet2                    /pci@1d,700000/pci@1/SUNW,hme@0,1:dhcp,
xnet1                    /pci@1e,600000/pci@3/SUNW,hme@0,1:dhcp,
xnet                     /pci@1e,600000/pci@2/SUNW,hme@0,1:dhcp,
net3                     /pci@1d,700000/network@2,1
net2                     /pci@1d,700000/network@2
net1                     /pci@1f,700000/network@2,1
net                      /pci@1f,700000/network@2
cdrom                    /pci@1e,600000/ide@d/cdrom@0,0:f
ide                      /pci@1e,600000/ide@d
disk3                    /pci@1c,600000/scsi@2/disk@3,0