Re: kern/45361: Consistent kernel panic when building qemu in amd64

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/45361; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/45361: Consistent kernel panic when building qemu in amd64
Date: Thu, 29 Sep 2011 00:15:48 +0000

 On Wed, Sep 28, 2011 at 12:20:05PM +0000, matthew green wrote:
  > 
  >  this change seems to work around the issue for me.  it's ugly and it
  >  triggers some weird internal uvm_km lockdebug issue so it's not really
  >  good for commiting, but it's good enough non-DEBUG/LOCKDEBUG kernels
  >  it seems.
  >  
  >     http://www.netbsd.org/~mrg/uvm_page_recolor.diff
 
 This was just committed:
 
    ------
 
 From: Matt Thomas <matt%netbsd.org@localhost>
 To: source-changes%NetBSD.org@localhost
 Subject: CVS commit: src/sys/uvm
 Date: Wed, 28 Sep 2011 22:52:16 +0000
 
 Module Name:    src
 Committed By:   matt
 Date:           Wed Sep 28 22:52:16 UTC 2011
 
 Modified Files:
         src/sys/uvm: uvm_page.c uvm_pager.c uvm_pager.h
 
 Log Message:
 Reallocate emergency pager va when ncolors is increased. (modication of
 patch from mrg).
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.175 -r1.176 src/sys/uvm/uvm_page.c
 cvs rdiff -u -r1.104 -r1.105 src/sys/uvm/uvm_pager.c
 cvs rdiff -u -r1.41 -r1.42 src/sys/uvm/uvm_pager.h
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.
 
    ------
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost