Date: Tue, 23 Jan 2018 20:32:48 +0000 From: Pete French <petefrench@ingresso.co.uk> To: Mike Tancsa <mike@sentex.net>, Don Lewis <truckman@FreeBSD.org> Cc: Peter Moody <freebsd@hda3.com>, freebsd-stable@freebsd.org Subject: Re: Ryzen issues on FreeBSD ? Message-ID: <0bb2b241-6e79-0cc6-2046-9960609aedc2@ingresso.co.uk> In-Reply-To: <e1a23d46-b298-af94-7082-22e6e37e346c@sentex.net> References: <8e842dec-ade7-37d1-6bd8-856ea1a827ca@sentex.net> <tkrat.5ec856810e0c7ced@FreeBSD.org> <CAMgUhpqZyCOjqVhMCAi-b_JaKYtyfqDf0pOcX0LwV2dcTuusyg@mail.gmail.com> <CAMgUhpqpYpoi1bD9h_SYvh83g_Csky%2BqMkTsOYZ1zcHYxtMeHg@mail.gmail.com> <dd29d77a-deb9-423e-f9b8-cb07387bbfd5@sentex.net> <9b769e4e-b098-b294-0bce-8bb1c42e8a59@rootautomation.com> <a601973f-9205-8dd9-7f78-a7f03985ab4a@sentex.net> <CAMgUhpop3=J7TQimK2iHdGTc=hnTgCEZDqibDSRCyTPMWX5wJQ@mail.gmail.com> <CAMgUhpop54hJ%2Biq_VYYqrEHgSapmMu_GmOPaOsmhA=QbjPEZ5A@mail.gmail.com> <CADbMJxk=HDoMsPghDrkTNqsC_XZo28nYPNGC%2BD9fddENPiiFng@mail.gmail.com> <730eb882-1c6a-afb7-0ada-396db44fb34b@ingresso.co.uk> <tkrat.8fa97919286143d7@FreeBSD.org> <8b882970-4d5d-2a96-4dac-779cab07b9ae@sentex.net> <CADbMJxkRR8s1=WWXP%2BH9eOHv_UWMQrUR=_E4aFw91VCeep82pw@mail.gmail.com> <343acf99-3e9e-093a-7390-c142396c2985@sentex.net> <tkrat.975666e9f483a6a0@FreeBSD.org> <e1a23d46-b298-af94-7082-22e6e37e346c@sentex.net>
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On 23/01/2018 19:08, Mike Tancsa wrote: > It looks like this thread got mention on phorix :) In the comments > section (comment #9) a post makes reference to > > http://blog.programster.org/ubuntu-16-04-compile-custom-kernel-for-ryzen > > I guess Linux is still working through similar lockups too :( Interesting - do we have anything like RCU implemented in the kernel which might be worth looking at ? From a quick glance it looks like its just a software technique, so I cant see which bits of the CPU it's tickling that might cause issues though.
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