t_mmap causes kernel diagnostic assertion

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

Hello,
HEAD runs of NetBSD/xen anita fails with
lib/libc/sys/t_mmap (332/519): 8 test cases
    mmap_block: panic: kernel diagnostic assertion "vp == 
vp->v_specnode->sn_dev->sd_bdevvp" failed: file 
"/home/builds/ab/HEAD/src/sys/miscfs/specfs/spec_vnops.c", line 891 
cpu2: Begin traceback...

kern_assert(c04acc54,c04acc95,c04d5b24,c04d5aec,37b,cb783000,cdd8b8dc,c15a10c0,c0513d40,c131ca50)
 at netbsd:kern_assert+0x23
spec_strategy(cdd8b8c8,c04e5928,1,c131ca50,cdd8ba0c,c04a805c,c131ca50,0,0,c04a8080)
 at netbsd:spec_strategy+0xab
VOP_STRATEGY(c131ca50,c1598c04,0,cdd8ba34,cdd8ba2c,cdd8ba4c,cdd8b92c,c042dda8,c0ef927c,0)
 at netbsd:VOP_STRATEGY+0x2f
genfs_getpages(cdd8ba9c,6000,cdd8baac,c0453cf2,c050136c,1,0,10000,1,c04a8014) 
at netbsd:genfs_getpages+0x1377
VOP_GETPAGES(c131ca50,0,0,cdd8bc80,cdd8bc7c,0,1,0,2,0) at 
netbsd:VOP_GETPAGES+0x59
uvn_get(c131ca50,0,0,cdd8bc80,cdd8bc7c,0,1,0,2,0) at netbsd:uvn_get+0x73
uvm_fault_internal(c125f6a8,bb6a3000,1,0,cdd8bd48,c04f9788,cdd8bd3c,c03a9fdf,3,0)
 at netbsd:uvm_fault_internal+0x124a
trap() at netbsd:trap+0x8aa


See
http://www-soc.lip6.fr/~bouyer/NetBSD-tests/xen/HEAD/

Any idea ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--