Date: Mon, 27 Aug 2018 20:18:46 +0800 From: Meowthink <meowthink@gmail.com> To: gljennjohn@gmail.com Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Help diagnose my Ryzen build problem Message-ID: <CABnABobmAv_-wCCkRiq6iYQ67mmKbC-g8J5_1K55qCktvVhF%2BA@mail.gmail.com> In-Reply-To: <20180827132905.191dbd8c@ernst.home> References: <CABnABoZA4DUOFfr7JdbbBAWxak3=ge6zX0HXtu1RffQH7tSb2Q@mail.gmail.com> <CAOa8eG4UGCo3Evz7sp7w72irtP2yb=-9-KURrvCQGu6Z-1HwVA@mail.gmail.com> <20180827132905.191dbd8c@ernst.home>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi Gary, On 8/27/18, Gary Jennejohn <gljennjohn@gmail.com> wrote: > On Mon, 27 Aug 2018 10:13:10 +0200 > Phil Norman <philnorm@gmail.com> wrote: > >> Hi. >> >> I have a similar setup: Ryzen 3 and Fatal1ty X370 mini-ITX. I had some >> trouble with instability, although my problems weren't panics, but rather >> two issues. One was random lockups (with no evidence left in logs), but I >> *think* this was down to an inadequately cooled graphics card. >> > > I had instability problems with my Ryzen 5 - lockups for no > apparent reason. The only recourse waas a hard reset. > > It turned out that there were two causes > 1) old CPU microcode > 2) unhandled errate in the CPU > > I installed the /usr/ports/sysutils/devcpu-data port, which > allowed me to install the latest microcode using cpucontrol(8). > > I also used a shell script called amd_errata.sh provided by one of > the FreeBSD committers. To my shame I can't remember exactly > who. Note that the errata fixups are now part of the kernel in > FreeBSD 12. That's kib, who has committed things in that script to both 12 [1] and stable/11 [2]. Unfortunately, that's for Ryzens family 17h model 00h-0fh, whereas my Ryzen 5 2400G's model is 11h. On the microcode. It shall be updated through UEFI/BIOS updates. I think mine is now PinnaclePI-AM4_1.0.0.4 with microcode patchlevel 0x810100b. Seems like ... the only thing I can do is sit down and wait? > > After taking these steps about two months ago I have had no more > lockups and the machine runs very stabily. > > [big snip] > > -- > Gary Jennejohn > [1] https://svnweb.freebsd.org/base?view=revision&revision=336763 [2] https://svnweb.freebsd.org/base?view=revision&revision=337235
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CABnABobmAv_-wCCkRiq6iYQ67mmKbC-g8J5_1K55qCktvVhF%2BA>