Hi Robert, Many thanks! That’s exactly what I’ve done, and the box is still having problems, so I am going to raise an RMA.
I also disable features like X2APIC, SR-IOV - does that sound about right? Adam > On 23 Sep 2016, at 22:23, Robert Mustacchi <[email protected]> wrote: > > On 9/23/16 14:20 , Adam Richmond-Gordon wrote: >> Hello all, >> >> I (seem to) remember some time ago that the general advice was to disable >> power management where possible. Is this still correct, or have I been >> imagining this all along? >> >> I recently took delivery of a box with an E5 v4 CPU, and SmartOS would panic >> on boot due to expecting the `mwait` CPU feature. I have managed to get the >> box to boot by allowing C0-C2 states, but it is somewhat unstable. >> Although I do think this is quite likely to be a hardware issue, which CPU >> power management features can SmartOS actually take advantage of, and what >> is recommended? >> >> I plan to open an RMA for the box next week, but it’s probably worth making >> sure that my running configuration is actually valid, first. >> >> If memory serves me correctly, the CPU and board firmware can support a >> variety of C-, T- and P-states, amongst other features that either aren’t >> selectable or don’t exist on other hardware I have. > > In general, our recommendation is to disable the deep C-States. So we > leave T- and P- states enabled, but not C3 and C6, etc. > > That help? > Robert > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
