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Date: Fri, 18 Jan 2013 10:15:21 -0600
From: Larry Rosenman <ler@lerctr.org>
Sender: Larry Rosenman <ler@lerctr.org>
Reply-To: Larry Rosenman <ler@lerctr.org>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: [PATCH] emulators/virtualbox-ose 4.2.6: popcnt bug
X-Send-Pr-Version: 3.114
X-GNATS-Notify:

>Number:         175411
>Category:       ports
>Synopsis:       [PATCH] emulators/virtualbox-ose 4.2.6: popcnt bug
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    vbox
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          update
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jan 18 16:20:00 UTC 2013
>Closed-Date:    
>Last-Modified:  Fri Jan 18 16:20:09 UTC 2013
>Originator:     Larry Rosenman
>Release:        FreeBSD 10.0-CURRENT amd64
>Organization:
LERCTR Consulting
>Environment:
System: FreeBSD borg.lerctr.org 10.0-CURRENT FreeBSD 10.0-CURRENT #95 r245402: Mon Jan 14 03:57:48 CST 2013 root@borg.lerctr.org:/usr/obj/usr/src/sys/BORG-DTRACE amd64


>Description:
I was seeing random panics (pmap_insert_pt_page: pindex already inserted) in the 
amd64 pmap code.  Andriy Gapon suggested this qemu patch. 


>How-To-Repeat:
run FreeBSD 9 or 10 on VirtualBox 4.2.6 and see random panics.
>Fix:

Index: Makefile
===================================================================
--- Makefile	(revision 310105)
+++ Makefile	(working copy)
@@ -3,6 +3,7 @@
 
 PORTNAME=	virtualbox-ose
 DISTVERSION=	4.2.6
+PORTREVISION=   1
 CATEGORIES=	emulators
 MASTER_SITES=	http://download.virtualbox.org/virtualbox/${DISTVERSION}/ \
 		http://tmp.chruetertee.ch/ \
Index: files/patch-recompiler-target-i386-translate
===================================================================
--- files/patch-recompiler-target-i386-translate	(revision 0)
+++ files/patch-recompiler-target-i386-translate	(working copy)
@@ -0,0 +1,11 @@
+--- src/recompiler/target-i386/translate.c.orig	2013-01-18 09:25:26.860229834 -0600
++++ src/recompiler/target-i386/translate.c	2013-01-18 09:25:46.510230699 -0600
+@@ -8020,7 +8020,7 @@
+             goto illegal_op;
+ 
+         modrm = ldub_code(s->pc++);
+-        reg = ((modrm >> 3) & 7);
++        reg = ((modrm >> 3) & 7) | rex_r;
+ 
+         if (s->prefix & PREFIX_DATA)
+             ot = OT_WORD;

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-ports-bugs->vbox 
Responsible-Changed-By: edwin 
Responsible-Changed-When: Fri Jan 18 16:20:09 UTC 2013 
Responsible-Changed-Why:  
Over to maintainer (via the GNATS Auto Assign Tool) 

http://www.freebsd.org/cgi/query-pr.cgi?pr=175411 
>Unformatted:
