Date: Fri, 09 Feb 2018 10:40:33 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 225584] Various compile process hang on Ryzen, but not on Intel Message-ID: <bug-225584-8-abWtpya2ri@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-225584-8@https.bugs.freebsd.org/bugzilla/> References: <bug-225584-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225584 --- Comment #63 from Konstantin Belousov <kib@FreeBSD.org> --- (In reply to Konstantin Belousov from comment #62) Try this. diff --git a/sys/amd64/amd64/cpu_switch.S b/sys/amd64/amd64/cpu_switch.S index 25e3a592171..ef70eefdf37 100644 --- a/sys/amd64/amd64/cpu_switch.S +++ b/sys/amd64/amd64/cpu_switch.S @@ -155,6 +155,7 @@ ctx_switch_xsave: movq %rdx,%r15 movq %rsi,%rdi callq pmap_activate_sw + mfence SETLK %r15,TD_LOCK(%r13) /* Release the old thread */ sw1: movq TD_PCB(%r12),%r8 --=20 You are receiving this mail because: You are the assignee for the bug.=
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