typed `apt-get update` now showing a long list of EDAC errors. Is there anything wrong?

typed `apt-get update` now showing a long list of EDAC errors. Is there
anything wrong?

I typed apt-get update and then I saw a long list of
EDAC i7Core: Lost 127 memory errors
Please help me understand what has happened.
I am using ubuntu server edition 12.04 LTS