I get THIS *every* time I exit X-windows:

lock order reversal
 1st 0xc45f4b90 vm object (vm object) @ /usr/src/sys/vm/vm_object.c:432
 2nd 0xc082f110 system map (system map) @ /usr/src/sys/vm/vm_kern.c:325
Stack backtrace:
backtrace(c057b35f,c082f110,c058cfb6,c058cfb6,c058ce51) at backtrace+0x17
witness_lock(c082f110,8,c058ce51,145,0) at witness_lock+0x697
_mtx_lock_flags(c082f110,0,c058ce51,145,3) at _mtx_lock_flags+0xb1
_vm_map_lock(c082f0b0,c058ce51,145,dcc91ab0,c0378eb4) at _vm_map_lock+0x36
kmem_malloc(c082f0b0,1000,101,dcc91b1c,c04c2cea) at kmem_malloc+0x39
page_alloc(c083a1c0,1000,dcc91b0f,101,c05f1a2c) at page_alloc+0x27
slab_zalloc(c083a1c0,101,c058e81a,664,c083a714) at slab_zalloc+0x14a
uma_zone_slab(c083a1c0,101,c058e81a,664,0) at uma_zone_slab+0xd8
uma_zalloc_internal(c083a1c0,0,101,6e8,0) at uma_zalloc_internal+0x55
uma_zfree_arg(c083a700,c4854cf0,0,dcc91bc8,c04a9d08) at uma_zfree_arg+0x2e7
dev_pager_putfake(c4854cf0,0,c058c5cf,be,c45f4b90) at dev_pager_putfake+0x3a
dev_pager_dealloc(c45f4b90,1,c058e71d,10c,0) at dev_pager_dealloc+0xc8
vm_pager_deallocate(c45f4b90,0,c058d8f3,25f,282c5000) at vm_pager_deallocate+0x3
vm_object_terminate(c45f4b90,0,c058d8f3,1b0,c45b44ec) at vm_object_terminate+0x1
vm_object_deallocate(c45f4b90,c082cf00,c45f4b90,c082cf00,dcc91c9c) at vm_object_
vm_map_entry_delete(c1528100,c082cf00,c058d024,8bc,c0576b6f) at vm_map_entry_del
vm_map_delete(c1528100,282c3000,282c5000,2000,282c3000) at vm_map_delete+0x3e3
vm_map_remove(c1528100,282c3000,282c5000,0,c4563618) at vm_map_remove+0x58
munmap(c4565130,dcc91d10,c0592c87,3fd,2) at munmap+0x9e
syscall(30002f,2f,bfbf002f,8201ad0,1) at syscall+0x26e
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (73), eip = 0x28230d83, esp = 0xbfbff9ec, ebp = 0xbfbffa08 ---

my system:

5.1-CURRENT FreeBSD 5.1-CURRENT #7: Tue Jul  8 22:35:15

I am using DRM (direct rendering module) stuff turned on, and linux compat
as apart of my setup.

I've actually had this problem for about a month and a half, but its
finally worrying me enough to report it. :)

My thinking: the threading in the kernel for 5.1 CURRENT hasn't all the
kinks out yet.  Does anyone know what is going on?

Before rushing off to the FreeBSD people with it though, they 1) might
already be aware, and 2) maybe I don't understand the error entirely and
its a problem with how I setup my system?

So I'm asking here I guess.

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