Date: Sun, 21 Jan 2018 21:50:50 +0100 From: Willem Jan Withagen <wjw@digiware.nl> To: Don Lewis <truckman@FreeBSD.org> Cc: Pete French <petefrench@ingresso.co.uk>, freebsd-stable@freebsd.org Subject: Re: Ryzen issues on FreeBSD ? Message-ID: <86eba4e4-f9a7-7177-a6bf-12700b1defa0@digiware.nl> In-Reply-To: <tkrat.4540dd6d35bd55a1@FreeBSD.org> References: <8e842dec-ade7-37d1-6bd8-856ea1a827ca@sentex.net> <8dcf6cc8fad788ac8168a4a9f392b02e@foolishgames.com> <23c1d162-dcd8-c422-3114-d70b65b6c271@sentex.net> <e2d004c63e414022ce48b5b50959c302@foolishgames.com> <00875e4d-740f-63f1-496c-6cda82b1a403@ingresso.co.uk> <tkrat.943da3fc20539e05@FreeBSD.org> <52744797-0606-44e7-72dd-242a6b56066a@digiware.nl> <tkrat.4540dd6d35bd55a1@FreeBSD.org>
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On 21/01/2018 21:24, Don Lewis wrote: > On 21 Jan, Willem Jan Withagen wrote: >> On 19/01/2018 23:29, Don Lewis wrote: >>> On 19 Jan, Pete French wrote: >>>> Out of interest, is there anyone out there running Ryzen who *hasnt* >>>> seen lockups ? I'd be curious if there a lot of lurkers thinking "mine >>>> works fine" >>> >>> No hangs or silent reboots here with either my original CPU or warranty >>> replacement once the shared page fix was in place. >> >> Perhaps a too weird reference: >> >> I have supplied a customer with a Ryzen5 and a 350MB motherboard. >> But he runs Windows 10, but I haven't heard him complain about anything >> like this. >> But I'll ask him specific. > > Only the BSDs were affected by the shared page issue. I think Linux > already had a guard page. I don't think Windows was affected by the > idle C-state issue. I suspect it is caused by software not doing the > right thing during C-state transitions, but the publicly available > documentation from AMD is pretty lacking. The random segfault issue is > primarily triggered by heavy parallel software build loads and how many > Windows users do that? This is an adobe workstation where several users remote login and do work. So I would assume that the system is seriously (ab)used. Adn as expected I'm know aware of any of the detailed things that Windows does while powering into lesser active states. --WjW
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