Re: LOR (vm_fault.c:286 and vm_kern.c:323)

From: Kris Kennaway <kris_at_obsecurity.org> Date: Thu, 7 Aug 2003 21:41:54 -0700 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:37:18 UTC

On Thu, Aug 07, 2003 at 11:08:06PM -0500, Alan L. Cox wrote:
> Kris Kennaway wrote:
> > 
> > I don't think I've seen this i386 traceback before.  Is it harmless as
> > well?
> > 
> 
> Yes.  In general, any LOR involving a system map mutex and a vm object
> mutex that has a stack trace looking like
> 
> _mtx_lock_flags()
> _vm_map_lock()
> kmem_malloc()
> page_alloc()
> slab_zalloc()
> uma_zone_slab()
> uma_zalloc_internal()
> uma_zfree_arg()
> ...
> 
> is not a problem.

Thanks, I'll keep that in mind.

Kris