November 25, 20187 yr Argh, please help if you can. I upgraded from one E5-2690 on an X79 mobo to dual 2690s on a Tyan S7050. Assembly was great, everything POSTs fine and passes multithreaded memtest no problem. But when I try to boot unraid, it freezes. Usually around the rpc.statd point, but a few times, it was as soon as the login prompt pops up, sometimes with the attendant kernel panic, sometimes just frozen. Given the nature of the crash, I have no logs, but I have tried: old 6.5.3 flash drive I was using before a virgin flash on 6.6.5 and 6.5.3, both UEFI and not. Mobo BIOS is from 6/2013, but Tyan's website is pretty clear about not upgrading unless directed, and it involves jumpering out a bunch of stuff I think, not ideal. Also disconnected all drives to see if some errors I was getting during boot were causing it (cabling, etc), but no luck I'm out of ideas here, would very much appreciate your help. Thanks! -P
December 23, 20187 yr Author I hate to bump friends, but I have a pretty significant investment sitting idle, would very much appreciate some assistance. I have downgraded back, but would like to get this sorted. I did so after the system wouldn't boot debian. Installer worked fine live, but when it came to reboot, nada. As i said, memtest was fine multithreaded (one pass fwiw, this is my production server), does that mean I can rule out the CPU/RAM?
April 2, 20197 yr Author Bumping with more information... I think I've ruled out the CPUs and the RAM as issues, the RAM passed the memtest, and I've booted both CPUs individually in my AsRock mobo to verify they both work in the production server. Swapped them on the Tyan board to no avail. So I scoured the Tyan mobo manual online, and it said my jumpers were out of position for dual cpus, so I switched them, but still no joy. Then, I put one CPU back in the production server and tried to boot the Tyan with just one CPU in slot 1 (not 0), and it wouldn't even turn on. Switched the CPU to slot 0, reset the jumpers to slot 0, and now it boots fine! Is there some setting I'm missing here to be able to run with two CPUs? I've been through the BIOS back and forward, and the manual, I can't find anything I'm doing wrong! Other salient info: Brand new HX 850 PSU, Tyan S7050, 64GB ECC, dual E5-2690s Also, it would not boot ubuntu desktop 18.04 either, just call trace/kernel panic at login like unraid does. Thanks in advance! -P
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