Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 29 May 2017 11:50:34 +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-CeglQ3vEmm@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/>

next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219399

--- Comment #3 from Nils Beyer <nbe@renzel.net> ---
Unfortunately, it seems it's not relevant; I've inserted the code from the
first link:
---------------------------------------------------------------------------=
-----
root@asbach:/usr/src/#svnlite diff
Index: sys/amd64/amd64/sigtramp.S
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- sys/amd64/amd64/sigtramp.S  (revision 319101)
+++ sys/amd64/amd64/sigtramp.S  (working copy)
@@ -47,6 +47,13 @@
 0:     hlt                             /* trap priviliged instruction */
        jmp     0b

+       /*
+       * Work around a Ryzen bug (say whut?).  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).
+       */
+       .space  1088
+
        ALIGN_TEXT
 esigcode:
---------------------------------------------------------------------------=
-----

compiled the kernel, rebooted and started a poudriere bulk build. Crashed a=
fter
3h34min with:

    panic: vm_fault: fault on nofault entry, addr: fffffe00131fb000

--=20
You are receiving this mail because:
You are the assignee for the bug.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-219399-8-CeglQ3vEmm>