Wirelessly posted (Mozilla/5.0 (iPod; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)
What make and model of Mac do you have? I'm guessing you have one with NVidia integrated graphics, based solely on the NVEthernet mentioned.
Try booting in Single-User mode and do a disk repair via fsck.