Home machine problems

Some time ago my home machine started to be very unstable. I was getting random rootfs corruptions ('awk: file not found' on start for example), sometimes reboot during work…

I treid to test all components:

After switching memory sticks in slots all memory tests were passed again. But system still kept failing ;(

I’m lost of ideas how to fix it and more and more think about upgrading it to amd64 platform.

amd64 failures home-computer