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Date:      Mon, 22 Jan 2018 14:13:13 -0800 (PST)
From:      Don Lewis <truckman@FreeBSD.org>
To:        Mike Tancsa <mike@sentex.net>
Cc:        Peter Moody <freebsd@hda3.com>, Pete French <petefrench@ingresso.co.uk>, freebsd-stable@freebsd.org
Subject:   Re: Ryzen issues on FreeBSD ?
Message-ID:  <tkrat.975666e9f483a6a0@FreeBSD.org>
In-Reply-To: <343acf99-3e9e-093a-7390-c142396c2985@sentex.net>
References:  <8e842dec-ade7-37d1-6bd8-856ea1a827ca@sentex.net> <tkrat.6d8f44d87e74fa14@FreeBSD.org> <795dbb79-3c18-d967-98b9-5d09a740dbfe@sentex.net> <CAMgUhpr%2B5HeBi1MRegs=XoKpdHW8-i%2Bec0k-DNaL_pcN6PCPKw@mail.gmail.com> <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>

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On 22 Jan, Mike Tancsa wrote:
> On 1/22/2018 1:41 PM, Peter Moody wrote:
>> fwiw, I upgraded to 11-STABLE (11.1-STABLE #6 r328223), applied the
>> hw.lower_amd64_sharedpage setting to my loader.conf and got a crash
>> last night following the familiar high load -> idle. this was with SMT
>> re-enabled. no crashdump, so it was the hard crash that I've been
>> getting.
> 
> hw.lower_amd64_sharedpage=1 is the default on AMD boxes no ? I didnt
> need to set mine to 1
> 
>> 
>> shrug, I'm at a loss here.
> 
> I am trying an RMA with AMD.

Something else that you might want to try is 12.0-CURRENT.  There might
be some changes in HEAD that need to be merged back to 11.1-STABLE.




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