[cfarm-users] Upgrade status and status on cfarm offline
markus at trippelsdorf.de
Sat Aug 19 13:46:19 CEST 2017
On 2017.08.19 at 13:24 +0200, Torbjörn Granlund wrote:
> It is a CPU bug. The only solution is to RMA the CPU. Just contact AMD.
> They are aware of the issue. All Ryzen CPUs are potentially affected.
> See: https://community.amd.com/thread/215773
> There is a Ryzen CPU bugs which causes random segfaults, no doubt.
> But not all segfaults on Ryzens are due to that bug. Firmware fixable
> DRAM incompatibilities and other firmware fixable Ryzen bugs can also
> cause segfaults.
> Therefore, upgrading the BIOS before RMAing is a quite good idea. After
> all, you might already have a Ryzen with the segfault fix.
The first bug free chips were only produced in June this year. gcc67 was
already online at that time. The random gcc segfaults that I saw are
caused by a hardware bug that AMD publicly acknowledged.
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