svn commit: r251709 - head/sys/vm

[Andrew Turner]

On Sat, 15 Jun 2013 11:35:03 +0100
Andrew Turner <andrew at fubar.geek.nz> wrote:

> On Thu, 13 Jun 2013 21:05:38 +0000 (UTC)
> Jeff Roberson <jeff at FreeBSD.org> wrote:
> 
> > Author: jeff
> > Date: Thu Jun 13 21:05:38 2013
> > New Revision: 251709
> > URL: http://svnweb.freebsd.org/changeset/base/251709
> > 
> > Log:
> >    - Convert the slab free item list from a linked array of indices
> > to a bitmap using sys/bitset.  This is much simpler, has lower space
> >      overhead and is cheaper in most cases.
> >    - Use a second bitmap for invariants asserts and improve the
> > quality of the asserts as well as the number of erroneous conditions
> > that we will catch.
> >    - Drastically simplify sizing code.  Special case refcnt zones
> > since they will be going away.
> >    - Update stale comments.
> 
> This broke booting for my on the Raspberry Pi for me. If I revert just
> this change the board boots as expected. Kernel output from the boot
> failure follows.

This is still a problem. Is there anything I can look into to get the
board to boot with your UMA changes?

Andrew


> KDB: debugger backends: ddb
> KDB: current backend: ddb
> Copyright (c) 1992-2013 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,
> 1994 The Regents of the University of California. All rights
> reserved. FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 10.0-CURRENT #40 r251712:251749M: Fri Jun 14 17:33:49 BST 2013
>     andrew at bender:/usr/obj/arm.armv6/usr/home/andrew/freebsd/repo/head/sys/RPI-B
> arm FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
> panic: lock "vm map (user)" 0xc05c1050 already initialized
> KDB: enter: panic
> [ thread pid 0 tid 0 ]
> Stopped at      0xc0261894:     ldrb    r15, [r15, r15, ror r15]!
> db>
> 
>