HARDWARE ERROR
CPU 0: Machine Check Exception: 4 Bank 4: b200000000070f0f
TSC 3a8be8175b54c
This is not a software problem!
Run through mcelog –ascii to decode and contact your hardware vendor
Kernel panic – not syncing: Machine check
ide: failed opcode was: unknown
End_request: I/O error, dev had , sector 2078640
Ext-fs: hda3: couldn’t mount because of unsupported optional features (4)
No filesystem could mount root,