panic: mutex vm object not owned ...

[David O'Brien]

On Mon, Feb 21, 2005 at 10:33:02PM +1000, Peter Grehan wrote:
> > panic: mutex vm object not owned at /usr/src/sys/vm/vm_page.c:608
> > 0xd7cc1be8: at uma_small_free+0x60
>                  ^^^^^^^^^^^^^^
> > Just saw on -current that this panic+bakctrace occurs on AMD64 as 
> well >so I'd say it's an MI problem.
> 
>  Actually, to clarify, it will show up on systems that define 
> UMA_MD_SMALL_ALLOC, which is alpha/amd64/ia64/ppc/sparc64. i386 doesn't
> which explains why this hasn't been seen by many.

What is UMA_MD_SMALL_ALLOC, and why doesn't i386 set it?
 
-- 
-- David  (obrien at FreeBSD.org)