djglenn Posted April 16, 2020 Share Posted April 16, 2020 Rig: Ryzen 7 2700X Asus Prime X470 Pro Corsair 32GB 3200MHz RAM Nvidia RTX 2060 Super Dell HBA (LSI) in IT mode to give 8 extra SATA ports to the 6. So recently upgraded a few parts in my rig and now left scratching my head with a few issues... Been messing around bit trying to get a Windows 10 gaming VM working and have failed to notice that parity checks are returning errors each time (even after correcting). I have been running on D.O.C.P overclock profile as was pissed the 3200Mhz RAM was running a 2133MHz as default, and first few times running parity no issues. Also within the last 2 months have upgraded the parity drive (size) replacing the 8TB WD Red with a 12TB Seagate EXOS. So something somewhere is not working right.. to give the errors every time the last 6 parity checks.. run a pretty new UPS so not power (unless PSU). Just turned off D.O.C.P and rerunning parity which will correct errors and then hopefully the next run has none...but just wanted to check if this is still the case on clock speeds as found posts from last year suggesting 2 sticks of RAM shouldn't be running over 2400MHz on Ryzen 2nd gen... Been building PCs for 15 years and this is the first time I have not been able to run RAM at its rated speed when the motherboard states it supports it so if it is the problem really caught me off guard! Any advice welecome! D. Quote Link to comment
JorgeB Posted April 16, 2020 Share Posted April 16, 2020 https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=819173 1 Quote Link to comment
djglenn Posted April 16, 2020 Author Share Posted April 16, 2020 Thanks...mad really... Will see how these 2 parity checks go and will strongly consider buying a 3700X and putting the 2700X on eBay...unreal Quote Link to comment
djglenn Posted April 16, 2020 Author Share Posted April 16, 2020 51 minutes ago, johnnie.black said: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=819173 1 question, should running it at 3200MHz show errors in MEMTEST as mine didn't (running a shorter run, albeit not 24h). Or does MEMTEST ignore the CPU compatibility side? Quote Link to comment
JorgeB Posted April 17, 2020 Share Posted April 17, 2020 12 hours ago, djglenn said: should running it at 3200MHz show errors in MEMTEST as mine didn't Memtest doesn't detect all errors, but it appears to be especially true with Ryzen and OC RAM as the same happened to other users in similar cases, no errors on memtest but always sync errors on every parity check. Quote Link to comment
djglenn Posted April 18, 2020 Author Share Posted April 18, 2020 (edited) Ok, makes sense. So on the 2nd Parity Check (after the first correcting) and this one seems to have found no errors this far 50% in where as all previous had 2k+ at this stage. Thanks for the help. Will strongly consider pulling the trigger on a 3rd Gen Ryzen 7 or 9 as struggle to accept to be in the low 2000MHz RAM speeds in 2020.... Will test some games later as this instability @ 3200MHz might help explain some random issues in the windows VM also Edited April 18, 2020 by djglenn Quote Link to comment
ensnare Posted April 18, 2020 Share Posted April 18, 2020 Just went through a similar problem. Running a 3990x threadripper w/ DDR4 RAM. RAM is rated to 3200MHz w/ built-in DOCP profile. I would have random hang-ups (sometimes a day or two after boot). The only way I can get this stable is to remove ALL overclocking (no DOCP, no PBO). Quote Link to comment
Chronicbint Posted February 4, 2022 Share Posted February 4, 2022 For anyone interested I originally had Asus X370 Crosshair VI, Ryzen 2700X, 2 x 16gb 2400 RAM. Problems started when I went I added 2 more RAM sticks but I did not twig this was the issue at the time. I upgraded to an X570 board (mainly to try and fix this issue and moved to 2.5gb nic), did not help. Random CPU cache errors and eventual hard crash. Turned off global c-states, did not help. Turned power to "typical current idle", did not help. Changed RAM speed(Memtest stable) from 2400 to 1866, this solved it! 🙄 Quote Link to comment
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