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Date:      Tue, 08 Aug 2017 08:10:20 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 219399] System panics after several hours of 14-threads-compilation orgies using poudriere on AMD Ryzen...
Message-ID:  <bug-219399-8-nQXMhwUg3O@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-219399-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-219399-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219399

--- Comment #218 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to Don Lewis from comment #216)
This is a reference to FreeBSD-SA-12:04.sysret.  We handle that by forcing
normal iret return path instead of the fast syscall return, same as we hand=
le
any modifications to the context from usermode.  See the very end of the
amd64_syscall().

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