e4500 hosed

[Kris Kennaway]

WIth recent kernels I get this at boot:

FreeBSD 7.0-CURRENT #: Thu Jan 11 10:54:03 JST 2007
    root at e4500-3.allbsd.org:/usr/src/sys/sparc64/compile/E4500_3
real memory  = 9663676416 (9216 MB)
avail memory = 9428074496 (8991 MB)
cpu0: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu1: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu2: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu3: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu4: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu5: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu6: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu7: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu8: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
cpu9: Sun Microsystems UltraSparc-II Processor (400.00 MHz CPU)
FreeBSD/SMP: Multiprocessor System Detected: 10 CPUs
panic: tsb_tte_enter: replacing valid kernel mapping
cpuid = 0
KDB: enter: panic
[thread pid 0 tid 0 ]
Stopped at      kdb_enter+0x68: ta              %xcc, 1
db> wh
Tracing pid 0 tid 0 td 0xc0568200
panic() at panic+0x248
tsb_tte_enter() at tsb_tte_enter+0xdc
pmap_enter_locked() at pmap_enter_locked+0x350
pmap_enter() at pmap_enter+0x64
kmem_malloc() at kmem_malloc+0x47c
page_alloc() at page_alloc+0x28
uma_large_malloc() at uma_large_malloc+0x44
malloc() at malloc+0x1a0
sf_buf_init() at sf_buf_init+0xe8
mi_startup() at mi_startup+0x1e8
btext() at btext+0x34
db>
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