root@rb800:/usr/tests/lib/libproc # ./proc_test symbol_lookup
proc_test: WARNING: Running test cases outside of kyua(1) is unsupported
proc_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4)
panic: Multiple pv_insert! 0xce7bff00 0xce552600 0xc1011200

cpuid = 0
time = 88
KDB: enter: panic
[ thread pid 931 tid 100074 ]
Stopped at      kdb_enter+0x74: addi    r3, r0, 0x0
db> bt
Tracing pid 931 tid 100074 td 0xce7d3740
0xce552570: at vpanic+0x1ac
0xce5525b0: at panic+0x64
0xce5525f0: at pmap_track_page+0x234
0xce552620: at pmap_track_page+0x5c00
0xce552670: at pmap_track_page+0x4a4c
0xce5526c0: at vm_sync_icache+0x2c
0xce5526d0: at proc_rwmem+0x15c
0xce552720: at kern_ptrace+0x64c
0xce552830: at sys_ptrace+0x11c
0xce552960: at trap+0x74c
0xce552a10: at powerpc_interrupt+0x190
0xce552a40: user SC trap by 0x5037c438: srr1=0x202d000
            r1=0x7fffc570 cr=0x22800208 xer=0 ctr=0x5037c430 frame=0xce552a48
db>