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Date:      Thu, 07 Aug 2003 23:08:06 -0500
From:      "Alan L. Cox" <alc@imimic.com>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        current@FreeBSD.org
Subject:   Re: LOR (vm_fault.c:286 and vm_kern.c:323)
Message-ID:  <3F332226.B9C7EE2@imimic.com>
References:  <20030807204641.GC76161@rot13.obsecurity.org>

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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.

Regards,
Alan



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