>10000 errors in dual channel mode, 1 error in single channel mode

[David (PassMark)]

1 error is bad
10,000 is very bad.

2 active CPUs is normal for a dual core CPU (hyperthreading is ignored).

See this page
https://www.memtest86.com/troubleshooting.htm

[Tafero]

Hello. I'm trying to do a MemTest on my PC.
Everytime I do it I get 10000+ Errors and it abort the test.
I did a test on every single Test (from 1 to 13) and everytime I get 10000+ Errors in CPU:0 and CPU:2
It even says CPU Founded: 4 - CPU Started: 2 - CPU Active: 2
So, what it can be?
The errors seems always the same in every single Test with "Expected ????????" and "Actual ????????" which ? are a binary code and then CPU:0 - CPU:2

Thanks

[David (PassMark)]

We have seen many people report problems in dual channel mode that don't occur in single channel.

Different timings, different electrical load, different EMI, different slots, slightly different cooling / temperatures, different access patterns.
These things combine to tip some marginal RAM over the edge (Barely working ==> Not really well at all)

[Lauri]

Hello,
it looks like I have a defective memory stick. In dual channel mode, the memtest stops at 7th test due to too many errors.

I tested both sticks, of which one seems to work fine, and the other returns 1 error/pass.

Is it usual that in dual channel mode there is a flood of errors if there's one faulty memory stick?

Or could there be something else broken too?

My system is 4 years old, no new components.