[Bug 219399] System panics after several hours of 14-threads-compilation orgies using poudriere on AMD Ryzen...
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Wed Jul 26 16:22:19 UTC 2017
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219399
--- Comment #148 from Nils Beyer <nbe at renzel.net> ---
(In reply to Nils Beyer from comment #136)
just for the record, that's the response I've sent to AMD support:
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Dear ...,
thank you for your response. At the moment, I'm testing an unofficial FreeBSD
kernel patch as a possible workaround for the system freezes and system
reboots. This workaround is somewhat related to what Mr. Matthew Dillon
reported to you in April:
"There appears to be an issue with the kernel iretq'ing to a %rip near the
end of the user address space (top of stack)."
After my current stress test is finished, I'll try what you've suggested. But
that could delay up to 48 hours - so please be patient with me...
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I hope that they've catched my emphasis on "workaround"...
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