FreeBSD i.MX233

KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2013 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-CURRENT #61 r256793M: Sun Oct 20 19:44:00 CEST 2013
    [email protected]:/home/stl/Code/crochet-freebsd/work/obj/arm.arm/home/stl/Code/crochet-freebsd/src/sys/OLINUXINO_IMX233 arm
FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
WARNING: WITNESS option enabled, expect reduced performance.
Preloaded elf kernel "kernel" at 0xc07a7a1c.
CPU: ARM926EJ-S rev 5 (ARM9EJ-S core)
  Little-endian DC enabled IC enabled WB enabled EABT branch prediction enabled
  16KB/32B 4-way instruction cache
  16KB/32B 4-way write-back-locking-C data cache
real memory  = 67108864 (64 MB)
Physical memory chunk(s):
0x40000000 - 0x401fffff, 2097152 bytes (512 pages)
0x40873000 - 0x43e69fff, 56586240 bytes (13815 pages)
avail memory = 57671680 (55 MB)
random device not loaded; using insecure entropy
panic: vm_fault: fault on nofault entry, addr: c0f9e000
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x4c: ldrb    r15, [r15, r15, ror r15]!
db> bt
Tracing pid 0 tid 100000 td 0xc07bccf0
db_trace_self() at db_trace_self
         pc = 0xc0501d20  lr = 0xc023051c (db_hex2dec+0x494)
         sp = 0xc07cc6e0  fp = 0xc07cc6f8
        r10 = 0xc05eac30
db_hex2dec() at db_hex2dec+0x494
         pc = 0xc023051c  lr = 0xc022fed0 (db_command_loop+0x2f4)
         sp = 0xc07cc700  fp = 0xc07cc7a0
         r4 = 0x00000000  r5 = 0x00000000
         r6 = 0xc0574cf9
db_command_loop() at db_command_loop+0x2f4
         pc = 0xc022fed0  lr = 0xc022fc2c (db_command_loop+0x50)
         sp = 0xc07cc7a8  fp = 0xc07cc7b8
         r4 = 0xc05451c9  r5 = 0xc0557f1f
         r6 = 0xc07bbd5c  r7 = 0xc07cc988
         r8 = 0xc07bccf0  r9 = 0xc0647414
        r10 = 0xc05eaea0
db_command_loop() at db_command_loop+0x50
         pc = 0xc022fc2c  lr = 0xc023259c (X_db_symbol_values+0x254)
         sp = 0xc07cc7c0  fp = 0xc07cc8e0
         r4 = 0x00000000  r5 = 0xc07cc7c8
         r6 = 0xc0647440
X_db_symbol_values() at X_db_symbol_values+0x254
         pc = 0xc023259c  lr = 0xc038c6b8 (kdb_trap+0xd4)
         sp = 0xc07cc8e8  fp = 0xc07cc908
         r4 = 0x00000000  r5 = 0x00000001
         r6 = 0xc0647440  r7 = 0xc07cc988
kdb_trap() at kdb_trap+0xd4
         pc = 0xc038c6b8  lr = 0xc0512c60 (undefinedinstruction+0x204)
         sp = 0xc07cc910  fp = 0xc07cc980
         r4 = 0x00000000  r5 = 0x00000000
         r6 = 0xc05129ac  r7 = 0xe7ffffff
         r8 = 0xc07bccf0  r9 = 0xc038bfa4
        r10 = 0xc07cc988
undefinedinstruction() at undefinedinstruction+0x204
         pc = 0xc0512c60  lr = 0xc05035d4 (exception_exit)
         sp = 0xc07cc988  fp = 0xc07cc9e0
         r4 = 0xffffffff  r5 = 0xffff1004
         r6 = 0xc05725ea  r7 = 0xc0639a00
         r8 = 0xc07bccf0  r9 = 0xc0639860
        r10 = 0xc07bd7cc
exception_exit() at exception_exit
         pc = 0xc05035d4  lr = 0xc038bf98 (kdb_enter+0x40)
         sp = 0xc07cc9dc  fp = 0xc07cc9e0
         r0 = 0xc0647424  r1 = 0x00000000
         r2 = 0xc055a6b7  r3 = 0x000000ab
         r4 = 0xc0557f79  r5 = 0xc07cca24
         r6 = 0xc05725ea  r7 = 0xc0639a00
         r8 = 0xc07bccf0  r9 = 0xc0639860
        r10 = 0xc07bd7cc r12 = 0x00000000
kdb_enter() at kdb_enter+0x50
         pc = 0xc038bfa8  lr = 0xc0359d24 (kassert_panic+0x1c8)
         sp = 0xc07cc9e8  fp = 0xc07cca08
         r4 = 0x00000100
kassert_panic() at kassert_panic+0x1c8
         pc = 0xc0359d24  lr = 0xc0359d8c (kproc_shutdown)
         sp = 0xc07cca10  fp = 0xc07cca18
         r4 = 0xc08ae000  r5 = 0x00000002
         r6 = 0x00000000  r7 = 0xc0f9e000
         r8 = 0xc07cca8c  r9 = 0x00000002
        r10 = 0xc07ccb28
kproc_shutdown() at kproc_shutdown
         pc = 0xc0359d8c  lr = 0xc04dd18c (vm_fault_hold+0x18b0)
         sp = 0xc07cca20  fp = 0xc07ccb90
         r4 = 0xc07cca24  r5 = 0xc07bccf0
vm_fault_hold() at vm_fault_hold+0x18b0
         pc = 0xc04dd18c  lr = 0xc04db890 (vm_fault+0x8c)
         sp = 0xc07ccb98  fp = 0xc07ccbb8
         r4 = 0xc08ae000  r5 = 0x00000002
         r6 = 0xc07bccf0  r7 = 0xc0f9e000
         r8 = 0x00000000  r9 = 0x00000002
        r10 = 0xc07bebe8
vm_fault() at vm_fault+0x8c
         pc = 0xc04db890  lr = 0xc0511854 (data_abort_handler+0x2a8)
         sp = 0xc07ccbc0  fp = 0xc07ccc60
         r4 = 0x00000002  r5 = 0xc07bccf0
         r6 = 0x00000000  r7 = 0x00000013
         r8 = 0xc07ccc68  r9 = 0xc07cceb0
        r10 = 0xc08ae000
data_abort_handler() at data_abort_handler+0x2a8
         pc = 0xc0511854  lr = 0xc05035d4 (exception_exit)
         sp = 0xc07ccc68  fp = 0xc07cccd0
         r4 = 0xffffffff  r5 = 0xffff1004
         r6 = 0xc0f9cfc8  r7 = 0x00000000
         r8 = 0x00000101  r9 = 0xc089cd80
        r10 = 0xc0f9c000
exception_exit() at exception_exit
         pc = 0xc05035d4  lr = 0xc04d87b4 (uma_zalloc_arg+0x524)
         sp = 0xc07cccbc  fp = 0xc07cccd0
         r0 = 0xc0f15dc0  r1 = 0x0000c0f1
         r2 = 0x000000f1  r3 = 0x000000c0
         r4 = 0xc0f9e000  r5 = 0xc089d9c0
         r6 = 0xc0f9cfc8  r7 = 0x00000000
         r8 = 0x00000101  r9 = 0xc089cd80
        r10 = 0xc0f9c000 r12 = 0x000000c0
threadinit() at threadinit+0x43c
         pc = 0xc0368410  lr = 0xc04d966c (uma_prealloc+0x278)
         sp = 0xc07cccd8  fp = 0xc07ccd08
         r4 = 0x00000320  r5 = 0xc089d9c0
         r6 = 0xc0f9cfc8  r7 = 0x00000000
         r8 = 0x00000101  r9 = 0xc089cd80
uma_prealloc() at uma_prealloc+0x278
         pc = 0xc04d966c  lr = 0xc04da26c (uma_print_zone+0x550)
         sp = 0xc07ccd10  fp = 0xc07ccd48
         r4 = 0xc089d9c0  r5 = 0x00000001
         r6 = 0xc089cd80  r7 = 0xc089ce28
         r8 = 0x00000000  r9 = 0xc089ce18
        r10 = 0x00000000
uma_print_zone() at uma_print_zone+0x550
         pc = 0xc04da26c  lr = 0xc04da540 (uma_print_zone+0x824)
         sp = 0xc07ccd50  fp = 0xc07ccd68
         r4 = 0x00000001  r5 = 0xc089cd80
         r6 = 0xc089d9c0  r7 = 0x00000001
         r8 = 0x00000001  r9 = 0xc0f9bfcc
        r10 = 0xc089da18
uma_print_zone() at uma_print_zone+0x824
         pc = 0xc04da540  lr = 0xc04da5c8 (uma_print_zone+0x8ac)
         sp = 0xc07ccd70  fp = 0xc07ccda0
         r4 = 0x00000005  r5 = 0x00000000
         r6 = 0x00000000  r7 = 0x00000001
         r8 = 0xc089d9c0
uma_print_zone() at uma_print_zone+0x8ac
         pc = 0xc04da5c8  lr = 0xc04d85ac (uma_zalloc_arg+0x31c)
         sp = 0xc07ccda8  fp = 0xc07ccde0
         r4 = 0xc089cd80  r5 = 0xc0572295
         r6 = 0xc088fecc  r7 = 0xc04da580
         r8 = 0x00000002  r9 = 0xc088fec0
        r10 = 0xc0572295
uma_zalloc_arg() at uma_zalloc_arg+0x31c
         pc = 0xc04d85ac  lr = 0xc036881c (thread_alloc+0x28)
         sp = 0xc07ccde8  fp = 0xc07ccdf8
         r4 = 0x00000000  r5 = 0x00000002
         r6 = 0x00000002  r7 = 0xc063ad70
         r8 = 0xc07bc9c8  r9 = 0xc07bccf0
        r10 = 0x00020014
thread_alloc() at thread_alloc+0x28
         pc = 0xc036881c  lr = 0xc032fdb8 (fork1+0x14c)
         sp = 0xc07cce00  fp = 0xc07cce68
         r4 = 0xc07bc9c0  r5 = 0x00000002
         r6 = 0xc0f90640  r7 = 0x00000000
fork1() at fork1+0x14c
         pc = 0xc032fdb8  lr = 0xc0313d04 (mi_startup+0x278)
         sp = 0xc07cce70  fp = 0xc07cce88
         r4 = 0xc07bc9c0  r5 = 0xc07bcce8
         r6 = 0x00000000  r7 = 0xc0577a8c
         r8 = 0xc07bd4f4  r9 = 0xc07bd4f0
        r10 = 0x00000014
mi_startup() at mi_startup+0x278
         pc = 0xc0313d04  lr = 0xc0313ba8 (mi_startup+0x11c)
         sp = 0xc07cce90  fp = 0xc07ccea8
         r4 = 0x00000001  r5 = 0xc07bcce8
         r6 = 0x00000000  r7 = 0xc0577a8c
mi_startup() at mi_startup+0x11c
         pc = 0xc0313ba8  lr = 0xc020023c (btext+0x13c)
         sp = 0xc07cceb0  fp = 0x00000000
         r4 = 0x4020028c  r5 = 0x4020016c
         r6 = 0x41854b68  r7 = 0x40200160
         r8 = 0x00000035  r9 = 0x00000033
btext() at btext+0x13c
         pc = 0xc020023c  lr = 0xc020023c (btext+0x13c)
         sp = 0xc07cceb0  fp = 0x00000000
Unable to unwind further