Syber Posted July 12, 2018 Share Posted July 12, 2018 Hi all, I am new to unraid and just spun up my first server. I got the array all set up and installed some plugins. Everything was working fine until I set IOMMU mode to 64MB then unraid would not load even in safe mode with gui. I disabled IOMMU again and sure enough everything is working. My motherboard/cpu is on the supported list. So, I am a bit confused. Any ideas? Here are the specs: Model: Custom M/B: ASUSTeK Computer INC. - M5A97 CPU: AMD Phenom™ II X6 1055T @ 2800 HVM: Enabled IOMMU: Disabled Cache: 768 kB, 3072 kB, 6144 kB Memory: 16 GB Multi-bit ECC (max. installable capacity 32 GB) Quote Link to comment
JonathanM Posted July 12, 2018 Share Posted July 12, 2018 Without a diagnostics zip file to confirm, my best guess is that you have a marvell based disk controller in the system. Remove or disable that and see if it will boot with IOMMU enabled. I'm also a little confused by your statement about setting IOMMU to 64MB. I wasn't aware IOMMU reserved memory was configurable. Quote Link to comment
Syber Posted July 13, 2018 Author Share Posted July 13, 2018 I'll try to get a diagnostics log and upload. But here are some screenshot of what I am talking about: Quote Link to comment
Squid Posted July 14, 2018 Share Posted July 14, 2018 On 7/12/2018 at 2:38 AM, Syber said: AMD Phenom™ II X6 1055T Whether or not its your problem or not, a CPU of that age / era (2010) (and the associated motherboard) is unlikely to properly support IOMMU / VT-d anyways. Even if you get it going, you'll probably wind up with weird little problems including random reboots etc when passing through devices. Quote Link to comment
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