From owner-svn-src-all@FreeBSD.ORG  Thu Feb 14 19:22:15 2013
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id ED7BF7E5;
 Thu, 14 Feb 2013 19:22:15 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 by mx1.freebsd.org (Postfix) with ESMTP id E0520852;
 Thu, 14 Feb 2013 19:22:15 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id r1EJMFuG030439;
 Thu, 14 Feb 2013 19:22:15 GMT (envelope-from kib@svn.freebsd.org)
Received: (from kib@localhost)
 by svn.freebsd.org (8.14.5/8.14.5/Submit) id r1EJMFrG030438;
 Thu, 14 Feb 2013 19:22:15 GMT (envelope-from kib@svn.freebsd.org)
Message-Id: <201302141922.r1EJMFrG030438@svn.freebsd.org>
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Thu, 14 Feb 2013 19:22:15 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r246802 - head/sys/amd64/amd64
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 14 Feb 2013 19:22:16 -0000

Author: kib
Date: Thu Feb 14 19:22:15 2013
New Revision: 246802
URL: http://svnweb.freebsd.org/changeset/base/246802

Log:
  Print slightly more useful information on the 'bad pte' panic.
  
  No objections from:	alc
  MFC after:	1 week

Modified:
  head/sys/amd64/amd64/pmap.c

Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c	Thu Feb 14 19:21:20 2013	(r246801)
+++ head/sys/amd64/amd64/pmap.c	Thu Feb 14 19:22:15 2013	(r246802)
@@ -4446,8 +4446,10 @@ pmap_remove_pages(pmap_t pmap)
 					pte = &pte[pmap_pte_index(pv->pv_va)];
 					tpte = *pte & ~PG_PTE_PAT;
 				}
-				if ((tpte & PG_V) == 0)
-					panic("bad pte");
+				if ((tpte & PG_V) == 0) {
+					panic("bad pte va %lx pte %lx",
+					    pv->pv_va, tpte);
+				}
 
 /*
  * We cannot remove wired pages from a process' mapping at this time