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Date:      Sun, 11 Aug 2013 10:57:46 +0800
From:      "Kong, Dev" <dev@macdevshanghai.com>
To:        freebsd-arm@freebsd.org
Subject:   cubieboard hang r254173
Message-ID:  <CANEJTgD3heo_-4B6J1NABRZ9pF%2B7Dt_4M2BZ2-jNGcrTJsYpGA@mail.gmail.com>

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mountroot: waiting for device /dev/da0s2 ...

warning: no time-of-day clock registered, system time will not be set
accurately

lock order reversal:

 1st 0xc08075ac pmap (pmap) @
/usr/home/yarshure/src/sys/arm/arm/pmap-v6.c:2989

 2nd 0xc07382d8 pmap pv global (pmap pv global) @
/usr/home/yarshure/src/sys/arm/arm/pmap-v6.c:695

KDB: stack backtrace:

db_trace_self() at db_trace_self

 pc = 0xc04c4a04  lr = 0xc02303fc (X_db_symbol_values+0x124)

 sp = 0xdbb16b10  fp = 0xdbb16c28

r10 = 0xc08075ac

X_db_symbol_values() at X_db_symbol_values+0x124

 pc = 0xc02303fc  lr = 0xc033d84c (kdb_backtrace+0x3c)

 sp = 0xdbb16c30  fp = 0xdbb16c38

 r4 = 0xc05d6c44  r5 = 0xc0536e32

 r6 = 0xc0515cfd  r7 = 0xc0536e32

kdb_backtrace() at kdb_backtrace+0x3c

 pc = 0xc033d84c  lr = 0xc0357fdc (witness_checkorder+0xdd4)

 sp = 0xdbb16c40  fp = 0xdbb16c90

 r4 = 0xc0515ef4

witness_checkorder() at witness_checkorder+0xdd4

 pc = 0xc0357fdc  lr = 0xc03053e4 (_rw_wlock_cookie+0x7c)

 sp = 0xdbb16c98  fp = 0xdbb16cb8

 r4 = 0x000002b7  r5 = 0xc0536e2f

 r6 = 0xc07382d8  r7 = 0xc07382e8

 r8 = 0x00008000  r9 = 0xc08070cc

r10 = 0xc08070d8

_rw_wlock_cookie() at _rw_wlock_cookie+0x7c

 pc = 0xc03053e4  lr = 0xc04cefd8 (pmap_copy+0x3c0)

 sp = 0xdbb16cc0  fp = 0xdbb16ce8

 r4 = 0xc0536e2f  r5 = 0x00000000

 r6 = 0xc07f8d04  r7 = 0xc07382e8

pmap_copy() at pmap_copy+0x3c0

 pc = 0xc04cefd8  lr = 0xc04ced74 (pmap_copy+0x15c)

 sp = 0xdbb16cf0  fp = 0xdbb16d28

 r4 = 0xc08070bc  r5 = 0x000d6000

 r6 = 0xc08075ac  r7 = 0x00008000

 r8 = 0x000ce000  r9 = 0xc2625020

r10 = 0x000ce000

pmap_copy() at pmap_copy+0x15c

 pc = 0xc04ced74  lr = 0xc04a7c3c (vmspace_fork+0x78c)

 sp = 0xdbb16d30  fp = 0xdbb16d68

 r4 = 0xc08074f0  r5 = 0x00000000

 r6 = 0x00008000  r7 = 0xc07fb6e0

 r8 = 0xc0807000  r9 = 0xc07fb5f0

r10 = 0x000ce000

vmspace_fork() at vmspace_fork+0x78c

 pc = 0xc04a7c3c  lr = 0xc02d669c (fork1+0x1a4)

 sp = 0xdbb16d70  fp = 0xdbb16de0

 r4 = 0xc241c960  r5 = 0x00000000

 r6 = 0xc25d0960  r7 = 0x0000000c

 r8 = 0xc23bc640  r9 = 0xc23bf640

r10 = 0xdbb16df4

fork1() at fork1+0x1a4

 pc = 0xc02d669c  lr = 0xc02d64d4 (sys_fork+0x24)

 sp = 0xdbb16de8  fp = 0xdbb16e00

 r4 = 0xc23bf640  r5 = 0x00000000

 r6 = 0x00000037  r7 = 0x00000000

 r8 = 0xdbb16e58  r9 = 0xc23bc640

r10 = 0x00000012

sys_fork() at sys_fork+0x24

 pc = 0xc02d64d4  lr = 0xc04d3e2c (swi_handler+0x290)

 sp = 0xdbb16e08  fp = 0xdbb16ea0

 r4 = 0xc23bf640  r5 = 0x00000000

swi_handler() at swi_handler+0x290

 pc = 0xc04d3e2c  lr = 0xc04c6188 (swi_entry+0x40)

 sp = 0xdbb16ea8  fp = 0xbfffe940

 r4 = 0x000e03cc  r5 = 0x000c6cb1

 r6 = 0x00000037  r7 = 0x00000002

 r8 = 0x000e03b0  r9 = 0x000c6de9

swi_entry() at swi_entry+0x40

 pc = 0xc04c6188  lr = 0xc04c6188 (swi_entry+0x40)

 sp = 0xdbb16ea8  fp = 0xbfffe940

Unable to unwind further

pid 16 (init), uid 0: exited on signal 11



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