Ryzen issues on FreeBSD ? (with sort of workaround)

[Peter Moody]

On Mon, Feb 12, 2018 at 1:49 PM, Don Lewis <truckman at freebsd.org> wrote:
> On 31 Jan, Eugene Grosbein wrote:
>> 31.01.2018 4:36, Mike Tancsa пишет:
>>> On 1/30/2018 2:51 PM, Mike Tancsa wrote:
>>>>
>>>> And sadly, I am still able to hang the compile in about the same place.
>>>> However, if I set
>>>
>>>
>>> OK, here is a sort of work around. If I have the box a little more busy,
>>> I can avoid whatever deadlock is going on.  In another console I have
>>> cat /dev/urandom | sha256
>>> running while the build runs
>>>
>>> ... and I can compile net/samba47 from scratch without the compile
>>> hanging.  This problem also happens on HEAD from today.  Should I start
>>> a new thread on freebsd-current ? Or just file a bug report ?
>>> The compile worked 4/4
>>
>> That's really strange. Could you try to do "sysctl kern.eventtimer.periodic=1"
>> and re-do the test without extra load?
>
> I'm having really good luck with the kernel patch attached to this
> message:
> https://docs.freebsd.org/cgi/getmsg.cgi?fetch=417183+0+archive/2018/freebsd-hackers/20180211.freebsd-hackers

I'm new to this; what are the chances that this gets into -STABLE in
the near future?