Freenas freeze after access large file size

[pattawongse]

FreeNAS-9.2.1.7-Release x64(dbde9a0)
Intel i3 4150
Gigabyte H97N-WIFI
ram 16gb
WD Red 4 Tb x7

config in Raidz2 [16.6 Tb usable] without encryption
Sharing via APF,CIFS
it ran smoothly without any problem (using just copy file from pc to nas)
Here are problem now i want to copy file back to PC
when I start transfer it work for while after that it will freeze Freenas without any reason
access small file may not cause these problem(maybe it not stress NAS enough)
but for large file size I talk about it something around 1 - 1.3 TB per file
these strange problem occur not depend on sharing service
I already try using APF,CIFS even rsync over SSH to another NAS it result in the same way


here /var/log/message
http://pastebin.com/RQqGvFMD

I already dump all the log under /var/log/ path for who might want mor information
freenas_log.zip

at Oct 28 17:50:58 Freenas started freeze no response in ping ,any network connectivity,keyboard
then Oct 28 20:42:26 I push power-off button to power-off it after that power-on again

Any Idea? what going on my machine

Thank you.

 

[HoneyBadger]

With nothing obvious in the logs and a hardlock like that, my first suspect is hardware, specifically the cough non-ECC RAM cough.

Can you download a memtest86 ISO and test it?

 

[pattawongse]

today I'll try memtest but how long it should be tested ?

more information last night I close all sharing service and ran Scrub on zpool
after 3 hour got same problem

 

[pattawongse]

seem like problem came from hardware problem maybe ram,motherboard,cpu
after running memtest86 for a while like 50 min all system freezed

 

[cyberjock]

Well, you do have to admit your hardware isn't what we recommend for FreeNAS. non-ECC RAM, desktop hardware, etc. I can't say I'm shocked.

It's a great desktop board (I was recommending that board for a friend just two days ago) but I'd never recommend it for FreeNAS no matter what.