From sources from today:

Booting netbsd
3152736+101272+175756 [178208+156435]=0x3a731c
OBP version 3, revision 2.22 (plugin rev 2)
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 1.6ZI (LOCAL.sparc) #0: Fri Jan 30 08:37:14 MET 2004
        root@watcher:/build/dist/obj/sparc/sys/arch/sparc/compile/LOCAL.sparc
total memory = 319 MB
avail memory = 307 MB
bootpath: /iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@0,0
mainbus0 (root): SUNW,SPARCstation-20L: hostid 723a65be
cpu0 at mainbus0panic: kernel diagnostic assertion "(entry->flags & UVM_MAP_KERNEL) == 0" failed: file "/build/dist/src/sys/uvm/uvm_map.c", line 622
Stopped in pid 0.1 (swapper) at netbsd:cpu_Debugger+0x4:        or %o7, %g0, %g1
db{0}> bt
cpu_Debugger(0xf0305948, 0xf02cd088, 0xf02f27f0, 0xf02f2598, 0x100, 0xf033cc00) a
t netbsd:__assert+0x18
__assert(0xf02cd088, 0xf02f2598, 0x26e, 0xf02f27f0, 0xf033d9ec, 0xf09745b8) at netbsd:uvm_map_clip_end+0x280
uvm_map_clip_end(0xf033da78, 0xf0974618, 0xf2728000, 0xf02f2800, 0xf033daa8, 0xf0974618) at netbsd:uvm_unmap_remove+0x384
uvm_unmap_remove(0xf033da78, 0xf2720000, 0xf2728000, 0xf031d5bc, 0x0, 0xffffffff) at netbsd:uvm_unmap+0x58
uvm_unmap(0xf033da78, 0xf2720000, 0xf2728000, 0xf03568dc, 0x401727, 0x400000) at netbsd:alloc_cpuinfo_global_va+0xa8
alloc_cpuinfo_global_va(0xf2728000, 0x0, 0x0, 0x0, 0x8, 0xf0979f28) at netbsd:cpu_attach+0x54
cpu_attach(0xf0a8df40, 0xffd6f140, 0x8, 0x0, 0x10, 0xf0979f30) at netbsd:cpu_mainbus_attach+0x24
cpu_mainbus_attach(0xf0a8df80, 0xf0a8df40, 0xf031d898, 0x0, 0xf033cc00, 0xf00) at netbsd:config_attach+0x374
config_attach(0xf0a8df40, 0xf03203e8, 0xf031d898, 0x0, 0xf033cc00, 0xf00) at netbsd:mainbus_attach+0x5d0
mainbus_attach(0xf0329c00, 0xf0a8df80, 0xf0329d3c, 0xf02cafbc, 0xf031d878, 0xf031d800) at netbsd:config_attach+0x374
config_attach(0xf0a8df80, 0xf03203e8, 0x0, 0x0, 0x80, 0xf033ab7c) at netbsd:cpu_configure+0xa4
cpu_configure(0xf0a8dfc0, 0x14, 0xf02ee570, 0x0, 0x0, 0x400) at netbsd:configure+0x58
configure(0x4dd9, 0x41a0, 0xf034d800, 0xc, 0x0, 0x4000000) at netbsd:main+0x31c
main(0x0, 0xfffffff8, 0x0, 0x0, 0x0, 0xf0002250) at netbsd:sparc_interrupt44c+0x10f8

-- 
Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (Germany)