One week after installation of The Perfect Server - Ubuntu 12.04 LTS I got server crash.
In log files I don't see any errors so I made photos. One more thing I inserted new ram modules ( before was 4 Gb, now 16 Gb).



Then I tried to make memtest and got:
error to small lover memory (0x99100 > 0x8f000)
After all i replaced my old ram module but errors there still occurred.
How to resolve this ?