[Bug 219399] System panics after several hours of 14-threads-compilation orgies using poudriere on AMD Ryzen...

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219399

--- Comment #177 from Nils Beyer <nbe at renzel.net> ---
finally, finally, finally a complete poudriere run without any system freezes
or unexpected reboots. :-)

Take a look for yourself:

  
http://46.245.217.106:10080/build.html?mastername=11_1-default&build=2017-07-26_01h13m51s

26020 packages built within 43 hours; as flawky as the Ryzen may be, but that
thing is really fast (still running stock with slow RAM) - comparing to:

   
http://beefy9.nyi.freebsd.org/build.html?mastername=110amd64-default&build=439712

I don't know the specs of the FreeBSD "beefy" servers; but I suggest that
they'll try a Threadripper when they will be out.

Don, I'm quite certain that you nailed the bug for what I've created that
report here for. Thank you very, very much. And if it's really nailed and not a
magic moment, then Matthew Dillon was right - all the time. He said that he
sent a full test case to AMD in April. It's quite a shame that there is still
no reaction from their side. I'm sure, Matthew would have told by now if they
really did.

Anyways, I'll start a poudriere run again to see how many of the failed ports
can be built then.

Don, is it possible to get your one-liner patch upstream, so that other FreeBSD
Ryzen users may profitate from it?

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