Date: Sat, 05 Apr 2014 20:44:51 +0200 From: Mattia Rossi <mattia.rossi.mate@gmail.com> To: ARM <freebsd-arm@freebsd.org> Subject: Re: Dreamplug: Panic when copying from USB stick to internal SD-Card (USB) Message-ID: <53404F23.4080609@gmail.com> In-Reply-To: <533FE2B6.8040009@gmail.com> References: <533FE2B6.8040009@gmail.com>
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Here some additional db output that might be useful:
Sleeping thread (tid 100040, pid 8) owns a non-sleepable lock
KDB: stack backtrace of thread 100040:
cpu_switch() at cpu_switch+0x3c
pc = 0xc0dc11dc lr = 0xc0ae1d98 (sched_switch+0x164)
sp = 0xde03dae8 fp = 0xde03daf8
r4 = 0xc3c6d320 r5 = 0xc3745c80
r6 = 0xc0f4aa84 r7 = 0xc0f57fc0
sched_switch() at sched_switch+0x164
pc = 0xc0ae1d98 lr = 0xc0ac57ec (mi_switch+0x1ac)
sp = 0xde03db00 fp = 0xde03db20
r4 = 0xc0f2f950 r5 = 0x00000000
r6 = 0xc3c6d320 r7 = 0x00000000
mi_switch() at mi_switch+0x1ac
pc = 0xc0ac57ec lr = 0xc0afe548 (sleepq_wait+0x1fc)
sp = 0xde03db28 fp = 0xde03db48
r4 = 0xc3c6d320 r5 = 0xc0f4aa84
r6 = 0xc54e1828 r7 = 0x00000090
r8 = 0x0000005c r9 = 0xc0f4a600
r10 = 0xc0f4aa94
sleepq_wait() at sleepq_wait+0x1fc
pc = 0xc0afe548 lr = 0xc0afe39c (sleepq_wait+0x50)
sp = 0xde03db50 fp = 0xde03db60
r4 = 0x0000005c r5 = 0xc3c6d320
r6 = 0xc54e1828 r7 = 0xc0e27125
r8 = 0xc3cae3f4 r9 = 0x00000000
r10 = 0xc0f0f850
sleepq_wait() at sleepq_wait+0x50
pc = 0xc0afe39c lr = 0xc0ac514c (_sleep+0x368)
sp = 0xde03db68 fp = 0xde03dbb8
r4 = 0x00000000 r5 = 0xc54e1828
r6 = 0xc0f0f850 r7 = 0xc0f57ca4
_sleep() at _sleep+0x368
pc = 0xc0ac514c lr = 0xc0902cd8 (cam_periph_runccb+0xd8)
sp = 0xde03dbc0 fp = 0xde03dc88
r4 = 0xc54e1828 r5 = 0xc54e1800
r6 = 0x00000000 r7 = 0xc0928524
r8 = 0x00000000 r9 = 0x00000034
r10 = 0x00000000
cam_periph_runccb() at cam_periph_runccb+0xd8
pc = 0xc0902cd8 lr = 0xc0927484 (scsi_read_dvd_structure+0x9568)
sp = 0xde03dc90 fp = 0xde03dcc0
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21 r9 = 0xc54e1800
r10 = 0xc0e03246
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x9568
pc = 0xc0927484 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xde03dcc8 fp = 0xde03dd18
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000104
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xde03dd20 fp = 0xde03dd40
r4 = 0x00000104 r5 = 0xde03dd54
r6 = 0xc0e1e26a r7 = 0xc0f3c2e0
r8 = 0xc3c6d320 r9 = 0xc0f57dc0
r10 = 0xc0f3c140
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc9cc (kproc_shutdown)
sp = 0xde03dd48 fp = 0xde03dd4c
r4 = 0xc3c6d320 r5 = 0xc0f5cd10
r6 = 0xc0f55080 r7 = 0xc10720bc
r8 = 0xc0e57eea r9 = 0xc0f55030
r10 = 0x000002fe
kproc_shutdown() at kproc_shutdown
pc = 0xc0abc9cc lr = 0xc3c6d320 (0xc3c6d320)
sp = 0xde03dd54 fp = 0xde03dd68
r4 = 0xc0abc9cc r5 = 0xde03dd54
Unknown entry: 0
_end() at 0xc3c6d320
pc = 0xc3c6d320 lr = 0xc3c6d320 (0xc3c6d320)
sp = 0xde03dd54 fp = 0xde03dd68
Unable to unwind into user mode
panic: sleeping thread
KDB: enter: panic
[ thread pid 11 tid 100020 ]
Stopped at kdb_enter+0x4c: ldrb r15, [r15, r15, ror r15]!
db> c
Uptime: 1h42m1s
panic: msleep
KDB: enter: panic
[ thread pid 11 tid 100020 ]
Stopped at kdb_enter+0x4c: ldrb r15, [r15, r15, ror r15]!
db> c
Uptime: 1h42m1s
panic: _mtx_lock_sleep: recursed on non-recursive mutex CAM device lock
@ /usr/d
evel/dreamplug/sys/cam/scsi/scsi_da.c:3777
KDB: enter: panic
[ thread pid 11 tid 100020 ]
Stopped at kdb_enter+0x4c: ldrb r15, [r15, r15, ror r15]!
db> bt
Tracing pid 11 tid 100020 td 0xc3743c80
db_trace_self() at db_trace_self
pc = 0xc0db048c lr = 0xc0947f44 (db_hex2dec+0x4d4)
sp = 0xddf7de40 fp = 0xddf7de58
r10 = 0xc0f562ec
db_hex2dec() at db_hex2dec+0x4d4
pc = 0xc0947f44 lr = 0xc09478b8 (db_command_loop+0x300)
sp = 0xddf7de60 fp = 0xddf7df00
r4 = 0x00000000 r5 = 0x00000000
r6 = 0x00000000
db_command_loop() at db_command_loop+0x300
pc = 0xc09478b8 lr = 0xc0947608 (db_command_loop+0x50)
sp = 0xddf7df08 fp = 0xddf7df18
r4 = 0xc0e0500c r5 = 0xc0e2214d
r6 = 0xc0f562d8 r7 = 0xddf7e0f0
r8 = 0xc0f4a340 r9 = 0xc0f4a344
r10 = 0xc0eee390
db_command_loop() at db_command_loop+0x50
pc = 0xc0947608 lr = 0xc0949fe8 (X_db_symbol_values+0x250)
sp = 0xddf7df20 fp = 0xddf7e040
r4 = 0x00000000 r5 = 0xc0f562e4
r6 = 0xc0f4a368
X_db_symbol_values() at X_db_symbol_values+0x250
pc = 0xc0949fe8 lr = 0xc0af1318 (kdb_trap+0xd4)
sp = 0xddf7e048 fp = 0xddf7e068
r4 = 0x00000000 r5 = 0x00000001
r6 = 0xc0f4a368 r7 = 0xddf7e0f0
kdb_trap() at kdb_trap+0xd4
pc = 0xc0af1318 lr = 0xc0dc2c60 (undefinedinstruction+0x25c)
sp = 0xddf7e070 fp = 0xddf7e0e8
r4 = 0x00000000 r5 = 0x00000000
r6 = 0xc0dc2954 r7 = 0xe7ffffff
r8 = 0xc3743c80 r9 = 0xc0af0bc0
r10 = 0xddf7e0f0
undefinedinstruction() at undefinedinstruction+0x25c
pc = 0xc0dc2c60 lr = 0xc0db2034 (exception_exit)
sp = 0xddf7e0f0 fp = 0xddf7e148
r4 = 0xffffffff r5 = 0xffff1004
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246
exception_exit() at exception_exit
pc = 0xc0db2034 lr = 0xc0af0bb4 (kdb_enter+0x40)
sp = 0xddf7e140 fp = 0xddf7e148
r0 = 0xc0f4a354 r1 = 0x00000000
r2 = 0xc0e25b59 r3 = 0x000000ab
r4 = 0xc0e221a7 r5 = 0xddf7e19c
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246 r12 = 0x00000000
kdb_enter() at kdb_enter+0x50
pc = 0xc0af0bc4 lr = 0xc0abc964 (kassert_panic+0x1cc)
sp = 0xddf7e150 fp = 0xddf7e170
r4 = 0x00000004
kassert_panic() at kassert_panic+0x1cc
pc = 0xc0abc964 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e178 fp = 0xddf7e190
r4 = 0xc0f3c1e0 r5 = 0xc0e1fdc9
r6 = 0xddf7e19c r7 = 0xc0f3c140
r8 = 0xc0f2f950 r9 = 0x00000004
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0aa8ecc (__mtx_lock_sleep+0x70)
sp = 0xddf7e1a8 fp = 0xddf7e1d0
r4 = 0xc3cae404 r5 = 0xc3cae3f4
r6 = 0x00000ec1 r7 = 0x00000ec1
__mtx_lock_sleep() at __mtx_lock_sleep+0x70
pc = 0xc0aa8ecc lr = 0xc0aa8dd8 (__mtx_lock_flags+0xd8)
sp = 0xddf7e1d8 fp = 0xddf7e1f8
r4 = 0xc0e03246 r5 = 0xc0f2f950
r6 = 0xc3cae404 r7 = 0x00000ec1
r8 = 0x00000000 r9 = 0x00000004
r10 = 0xc0e03246
__mtx_lock_flags() at __mtx_lock_flags+0xd8
pc = 0xc0aa8dd8 lr = 0xc0927408 (scsi_read_dvd_structure+0x94ec)
sp = 0xddf7e200 fp = 0xddf7e230
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x94ec
pc = 0xc0927408 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e238 fp = 0xddf7e288
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7e290 fp = 0xddf7e2b0
r4 = 0x00000004 r5 = 0xddf7e2dc
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e2b8 fp = 0xddf7e2d0
r4 = 0xc0f3c1e0 r5 = 0xc0e1fdc9
r6 = 0xddf7e2dc r7 = 0xc0f3c140
r8 = 0xc0f2f950 r9 = 0x00000004
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0aa8ecc (__mtx_lock_sleep+0x70)
sp = 0xddf7e2e8 fp = 0xddf7e310
r4 = 0xc3cae404 r5 = 0xc3cae3f4
r6 = 0x00000ec1 r7 = 0x00000ec1
__mtx_lock_sleep() at __mtx_lock_sleep+0x70
pc = 0xc0aa8ecc lr = 0xc0aa8dd8 (__mtx_lock_flags+0xd8)
sp = 0xddf7e318 fp = 0xddf7e338
r4 = 0xc0e03246 r5 = 0xc0f2f950
r6 = 0xc3cae404 r7 = 0x00000ec1
r8 = 0x00000000 r9 = 0x00000004
r10 = 0xc0e03246
__mtx_lock_flags() at __mtx_lock_flags+0xd8
pc = 0xc0aa8dd8 lr = 0xc0927408 (scsi_read_dvd_structure+0x94ec)
sp = 0xddf7e340 fp = 0xddf7e370
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x94ec
pc = 0xc0927408 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e378 fp = 0xddf7e3c8
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7e3d0 fp = 0xddf7e3f0
r4 = 0x00000004 r5 = 0xddf7e41c
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e3f8 fp = 0xddf7e410
r4 = 0xc0f3c1e0 r5 = 0xc0e1fdc9
r6 = 0xddf7e41c r7 = 0xc0f3c140
r8 = 0xc0f2f950 r9 = 0x00000004
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0aa8ecc (__mtx_lock_sleep+0x70)
sp = 0xddf7e428 fp = 0xddf7e450
r4 = 0xc3cae404 r5 = 0xc3cae3f4
r6 = 0x00000ec1 r7 = 0x00000ec1
__mtx_lock_sleep() at __mtx_lock_sleep+0x70
pc = 0xc0aa8ecc lr = 0xc0aa8dd8 (__mtx_lock_flags+0xd8)
sp = 0xddf7e458 fp = 0xddf7e478
r4 = 0xc0e03246 r5 = 0xc0f2f950
r6 = 0xc3cae404 r7 = 0x00000ec1
r8 = 0x00000000 r9 = 0x00000004
r10 = 0xc0e03246
__mtx_lock_flags() at __mtx_lock_flags+0xd8
pc = 0xc0aa8dd8 lr = 0xc0927408 (scsi_read_dvd_structure+0x94ec)
sp = 0xddf7e480 fp = 0xddf7e4b0
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x94ec
pc = 0xc0927408 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e4b8 fp = 0xddf7e508
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7e510 fp = 0xddf7e530
r4 = 0x00000004 r5 = 0xddf7e55c
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e538 fp = 0xddf7e550
r4 = 0xc0f3c1e0 r5 = 0xc0e1fdc9
r6 = 0xddf7e55c r7 = 0xc0f3c140
r8 = 0xc0f2f950 r9 = 0x00000004
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0aa8ecc (__mtx_lock_sleep+0x70)
sp = 0xddf7e568 fp = 0xddf7e590
r4 = 0xc3cae404 r5 = 0xc3cae3f4
r6 = 0x00000ec1 r7 = 0x00000ec1
__mtx_lock_sleep() at __mtx_lock_sleep+0x70
pc = 0xc0aa8ecc lr = 0xc0aa8dd8 (__mtx_lock_flags+0xd8)
sp = 0xddf7e598 fp = 0xddf7e5b8
r4 = 0xc0e03246 r5 = 0xc0f2f950
r6 = 0xc3cae404 r7 = 0x00000ec1
r8 = 0x00000000 r9 = 0x00000004
r10 = 0xc0e03246
__mtx_lock_flags() at __mtx_lock_flags+0xd8
pc = 0xc0aa8dd8 lr = 0xc0927408 (scsi_read_dvd_structure+0x94ec)
sp = 0xddf7e5c0 fp = 0xddf7e5f0
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x94ec
pc = 0xc0927408 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e5f8 fp = 0xddf7e648
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7e650 fp = 0xddf7e670
r4 = 0x00000004 r5 = 0xddf7e69c
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e678 fp = 0xddf7e690
r4 = 0xc0f3c1e0 r5 = 0xc0e1fdc9
r6 = 0xddf7e69c r7 = 0xc0f3c140
r8 = 0xc0f2f950 r9 = 0x00000004
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0aa8ecc (__mtx_lock_sleep+0x70)
sp = 0xddf7e6a8 fp = 0xddf7e6d0
r4 = 0xc3cae404 r5 = 0xc3cae3f4
r6 = 0x00000ec1 r7 = 0x00000ec1
__mtx_lock_sleep() at __mtx_lock_sleep+0x70
pc = 0xc0aa8ecc lr = 0xc0aa8dd8 (__mtx_lock_flags+0xd8)
sp = 0xddf7e6d8 fp = 0xddf7e6f8
r4 = 0xc0e03246 r5 = 0xc0f2f950
r6 = 0xc3cae404 r7 = 0x00000ec1
r8 = 0x00000000 r9 = 0x00000004
r10 = 0xc0e03246
__mtx_lock_flags() at __mtx_lock_flags+0xd8
pc = 0xc0aa8dd8 lr = 0xc0927408 (scsi_read_dvd_structure+0x94ec)
sp = 0xddf7e700 fp = 0xddf7e730
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x94ec
pc = 0xc0927408 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e738 fp = 0xddf7e788
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7e790 fp = 0xddf7e7b0
r4 = 0x00000004 r5 = 0xddf7e7dc
r6 = 0xc0e1fdc9 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e7b8 fp = 0xddf7e7d0
r4 = 0xc0f3c1e0 r5 = 0xc0e1fdc9
r6 = 0xddf7e7dc r7 = 0xc0f3c140
r8 = 0xc0f2f950 r9 = 0x00000004
r10 = 0xc0e03246
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0aa8ecc (__mtx_lock_sleep+0x70)
sp = 0xddf7e7e8 fp = 0xddf7e810
r4 = 0xc3cae404 r5 = 0xc3cae3f4
r6 = 0x00000ec1 r7 = 0x00000ec1
__mtx_lock_sleep() at __mtx_lock_sleep+0x70
pc = 0xc0aa8ecc lr = 0xc0aa8dd8 (__mtx_lock_flags+0xd8)
sp = 0xddf7e818 fp = 0xddf7e838
r4 = 0xc0e03246 r5 = 0xc0f2f950
r6 = 0xc3cae404 r7 = 0x00000ec1
r8 = 0x00000000 r9 = 0x00000004
r10 = 0xc0e03246
__mtx_lock_flags() at __mtx_lock_flags+0xd8
pc = 0xc0aa8dd8 lr = 0xc0927408 (scsi_read_dvd_structure+0x94ec)
sp = 0xddf7e840 fp = 0xddf7e870
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x94ec
pc = 0xc0927408 lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e878 fp = 0xddf7e8c8
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7e8d0 fp = 0xddf7e8f0
r4 = 0x00000004 r5 = 0xddf7e91c
r6 = 0xc0e22d66 r7 = 0xc0f3c140
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0f2f950
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc898 (kassert_panic+0x100)
sp = 0xddf7e8f8 fp = 0xddf7e910
r4 = 0xc0f3c1e0 r5 = 0xc0e22d66
r6 = 0xddf7e91c r7 = 0xc0f3c140
r8 = 0xc3cae3f4 r9 = 0x0000005c
r10 = 0xc0f2f950
kassert_panic() at kassert_panic+0x100
pc = 0xc0abc898 lr = 0xc0ac4e68 (_sleep+0x84)
sp = 0xddf7e928 fp = 0xddf7e978
r4 = 0xc0df8d65 r5 = 0x00000000
r6 = 0xc36e6000 r7 = 0xc3743c80
_sleep() at _sleep+0x84
pc = 0xc0ac4e68 lr = 0xc090a328 (cam_periph_getccb+0x7c)
sp = 0xddf7e980 fp = 0xddf7e9b0
r4 = 0x00000480 r5 = 0xc3953880
r6 = 0xc39538bc r7 = 0x00000000
r8 = 0xc0df8d65 r9 = 0x00000100
r10 = 0xc0e03246
cam_periph_getccb() at cam_periph_getccb+0x7c
pc = 0xc090a328 lr = 0xc092742c (scsi_read_dvd_structure+0x9510)
sp = 0xddf7e9b8 fp = 0xddf7e9e8
r4 = 0xc3953880 r5 = 0x00000ec9
r6 = 0x00000000 r7 = 0xc3ccd000
r8 = 0xc0e02b21 r9 = 0x00000004
scsi_read_dvd_structure() at scsi_read_dvd_structure+0x9510
pc = 0xc092742c lr = 0xc0abc3c8 (kern_reboot+0x6c0)
sp = 0xddf7e9f0 fp = 0xddf7ea40
r4 = 0x000001c1 r5 = 0xc35c5600
r6 = 0xc36d521c r7 = 0xc0e21bc4
r8 = 0xc36d5200 r9 = 0x00000004
r10 = 0xc0f2f954
kern_reboot() at kern_reboot+0x6c0
pc = 0xc0abc3c8 lr = 0xc0abc988 (kassert_panic+0x1f0)
sp = 0xddf7ea48 fp = 0xddf7ea68
r4 = 0x00000004 r5 = 0xddf7ea7c
r6 = 0xc0e280bb r7 = 0xc3c6d320
r8 = 0xc3743c80 r9 = 0xc0f57dc0
r10 = 0xc0f57cb8
kassert_panic() at kassert_panic+0x1f0
pc = 0xc0abc988 lr = 0xc0abc9cc (kproc_shutdown)
sp = 0xddf7ea70 fp = 0xddf7ea74
r4 = 0x00000008 r5 = 0xc35c3840
r6 = 0xc0e27bbe r7 = 0xc3c6d320
r8 = 0xc0e10122 r9 = 0xc0f2f950
r10 = 0xc0f57cb8
kproc_shutdown() at kproc_shutdown
pc = 0xc0abc9cc lr = 0x00000008 (0x8)
sp = 0xddf7ea7c fp = 0xddf7eaa8
r4 = 0xc0abc9cc r5 = 0xddf7ea7c
Unable to unwind into user mode
db>
On 05/04/14 13:02, Mattia Rossi wrote:
> Hi all,
>
> does anyone have a hint on what's happening here?
>
> I keep running into panics when copying world from the USB stick i
> boot from, to the internal SD-Card where I want to boot from next.
>
> backtrace:
>
> root@dreamplug:/ # panic: Lock vm object not exclusively locked @
> /usr/devel/dre
> amplug/sys/arm/arm/pmap.c:4474
>
> KDB: enter: panic
> [ thread pid 8 tid 100040 ]
> Stopped at kdb_enter+0x4c: ldrb r15, [r15, r15, ror r15]!
> db> bt
> Tracing pid 8 tid 100040 td 0xc3c6d320
> db_trace_self() at db_trace_self
> pc = 0xc0db048c lr = 0xc0947f44 (db_hex2dec+0x4d4)
> sp = 0xde03da10 fp = 0xde03da28
> r10 = 0xc0f562ec
> db_hex2dec() at db_hex2dec+0x4d4
> pc = 0xc0947f44 lr = 0xc09478b8 (db_command_loop+0x300)
> sp = 0xde03da30 fp = 0xde03dad0
> r4 = 0x00000000 r5 = 0x00000000
> r6 = 0x00000000
> db_command_loop() at db_command_loop+0x300
> pc = 0xc09478b8 lr = 0xc0947608 (db_command_loop+0x50)
> sp = 0xde03dad8 fp = 0xde03dae8
> r4 = 0xc0e0500c r5 = 0xc0e2214d
> r6 = 0xc0f562d8 r7 = 0xde03dcc0
> r8 = 0xc0f4a340 r9 = 0xc0f4a344
> r10 = 0xc0eee390
> db_command_loop() at db_command_loop+0x50
> pc = 0xc0947608 lr = 0xc0949fe8 (X_db_symbol_values+0x250)
> sp = 0xde03daf0 fp = 0xde03dc10
> r4 = 0x00000000 r5 = 0xc0f562e4
> r6 = 0xc0f4a368
> X_db_symbol_values() at X_db_symbol_values+0x250
> pc = 0xc0949fe8 lr = 0xc0af1318 (kdb_trap+0xd4)
> sp = 0xde03dc18 fp = 0xde03dc38
> r4 = 0x00000000 r5 = 0x00000001
> r6 = 0xc0f4a368 r7 = 0xde03dcc0
> kdb_trap() at kdb_trap+0xd4
> pc = 0xc0af1318 lr = 0xc0dc2c60 (undefinedinstruction+0x25c)
> sp = 0xde03dc40 fp = 0xde03dcb8
> r4 = 0x00000000 r5 = 0x00000000
> r6 = 0xc0dc2954 r7 = 0xe7ffffff
> r8 = 0xc3c6d320 r9 = 0xc0af0bc0
> r10 = 0xde03dcc0
> undefinedinstruction() at undefinedinstruction+0x25c
> pc = 0xc0dc2c60 lr = 0xc0db2034 (exception_exit)
> sp = 0xde03dcc0 fp = 0xde03dd18
> r4 = 0xffffffff r5 = 0xffff1004
> r6 = 0xc0e1e26a r7 = 0xc0f3c2e0
> r8 = 0xc3c6d320 r9 = 0xc0f57dc0
> r10 = 0xc0f3c140
> exception_exit() at exception_exit
> pc = 0xc0db2034 lr = 0xc0af0bb4 (kdb_enter+0x40)
> sp = 0xde03dd10 fp = 0xde03dd18
> r0 = 0xc0f4a354 r1 = 0x00000000
> r2 = 0xc0e25b59 r3 = 0x000000ab
> r4 = 0xc0e221a7 r5 = 0xde03dd54
> r6 = 0xc0e1e26a r7 = 0xc0f3c2e0
> r8 = 0xc3c6d320 r9 = 0xc0f57dc0
> r10 = 0xc0f3c140 r12 = 0x00000000
> kdb_enter() at kdb_enter+0x50
> pc = 0xc0af0bc4 lr = 0xc0abc964 (kassert_panic+0x1cc)
> sp = 0xde03dd20 fp = 0xde03dd40
> r4 = 0x00000100
> kassert_panic() at kassert_panic+0x1cc
> pc = 0xc0abc964 lr = 0xc0abc9cc (kproc_shutdown)
> sp = 0xde03dd48 fp = 0xde03dd4c
> r4 = 0xc3c6d320 r5 = 0xc0f5cd10
> r6 = 0xc0f55080 r7 = 0xc10720bc
> r8 = 0xc0e57eea r9 = 0xc0f55030
> r10 = 0x000002fe
> kproc_shutdown() at kproc_shutdown
> pc = 0xc0abc9cc lr = 0xc3c6d320 (0xc3c6d320)
> sp = 0xde03dd54 fp = 0xde03dd68
> r4 = 0xc0abc9cc r5 = 0xde03dd54
> Unknown entry: 0
> _end() at 0xc3c6d320
> pc = 0xc3c6d320 lr = 0xc3c6d320 (0xc3c6d320)
> sp = 0xde03dd54 fp = 0xde03dd68
> Unable to unwind into user mode
> db>
>
>
> Cheers,
>
> Mat
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