Date: Sat, 17 Mar 2018 10:20:50 +0000 From: Michael Tuexen <tuexen@freebsd.org> To: freebsd-arm <freebsd-arm@freebsd.org> Subject: arm64 panics on boot on a RPi3 Message-ID: <7D7EAF74-95E3-4B48-BC57-C3CE4D13501B@freebsd.org>
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Dear all,
FreeBSD head of today panics when booting the arm64 code on a RPi3:
>> FreeBSD EFI boot block
Loader path: /boot/loader.efi
Initializing modules: UFS
Probing 3 block devices.....* done
UFS found 1 partition
Consoles: EFI console =20
Command line arguments: loader.efi
Image base: 0x39ab8008
EFI version: 2.05
EFI Firmware: Das U-boot (rev 0.00)
FreeBSD/arm64 EFI loader, Revision 1.1
(Wed Dec 6 19:13:14 CET 2017 root@bsd18.fh-muenster.de)
EFI boot environment
Loading /boot/defaults/loader.conf
/boot/kernel/kernel text=3D0x8482a0 data=3D0x137018+0x71f83c =
syms=3D[0x8+0x1148a0+0x8+0x106675]
/boot/entropy size=3D0x1000
/boot/kernel/geom_label.ko text=3D0x2b40 text=3D0x2610 =
data=3D0x10120+0xfee4 syms=3D[0x8+0x15a8+0x8+0xf73]
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]... =20
Using DTB provided by EFI at 0x8004000.
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2018 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 12.0-CURRENT #65 r331093: Sat Mar 17 11:05:06 CET 2018
=
tuexen@bsd10.fh-muenster.de:/usr/home/tuexen/head/sys/arm64/compile/TCP =
arm64
FreeBSD clang version 5.0.1 (branches/release_50 319231) (based on LLVM =
5.0.1)
VT: init without driver.
sysctl_warn_reuse: can't re-use a leaf (kern.features.geom_label)!
module_register: cannot register g_label from kernel; already loaded =
from geom_label.ko
Module g_label failed to register: 17
Starting CPU 1 (1)
Starting CPU 2 (2)
Starting CPU 3 (3)
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
random: unblocking device.
MAP 39b1b000 mode 2 pages 1
MAP 3af86000 mode 2 pages 2
MAP 3f100000 mode 1 pages 1
random: entropy device external interface
kbd0 at kbdmux0
ofwbus0: <Open Firmware Device Tree>
simplebus0: <Flattened device tree simple bus> on ofwbus0
ofw_clkbus0: <OFW clocks bus> on ofwbus0
clk_fixed0: <Fixed clock> on ofw_clkbus0
clk_fixed1: <Fixed clock> on ofw_clkbus0
regfix0: <Fixed Regulator> on ofwbus0
regfix1: <Fixed Regulator> on ofwbus0
psci0: <ARM Power State Co-ordination Interface Driver> on ofwbus0
local_intc0: <BCM2836 Interrupt Controller> mem 0x40000000-0x400000ff on =
simplebus0
intc0: <BCM2835 Interrupt Controller> mem 0x7e00b200-0x7e00b3ff irq 16 =
on simplebus0
generic_timer0: <ARMv7 Generic Timer> irq 47,48,49,50 on simplebus0
Timecounter "ARM MPCore Timecounter" frequency 19200000 Hz quality 1000
Event timer "ARM MPCore Eventtimer" frequency 19200000 Hz quality 1000
x0: ffff0000000109e0
x1: ffff0000000109b0
x2: 4
x3: ffff00000043e638
x4: ffff00000076eb28
x5: 110
x6: ffff000000010808
x7: ffff000000010638
x8: 3af61fd0
x9: 0
x10: ffff000000993f20
x11: 0
x12: ffff0000003b3ab4
x13: ffff00000043e2f0
x14: a
x15: 0
x16: 7
x17: ffff00000043e2f0
x18: ffff0000000109b0
x19: ffff0000000109e0
x20: ffff000000993000
x21: ffff000000b89000
x22: fffffd00012d9070
x23: 0
x24: fffffd00011c1d00
x25: fffffd00011c1c80
x26: fffffd00011c1cd8
x27: 0
x28: fffffd00011d0080
x29: ffff0000000109d0
sp: ffff0000000109b0
lr: ffff0000000fee88
elr: 3af61fd0
spsr: a00001c5
far: 3af61fd0
esr: 86000007
panic: data abort in critical section or under mutex
cpuid =3D 0
time =3D 1
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x28
pc =3D 0xffff00000066ead0 lr =3D 0xffff0000000ba870
sp =3D 0xffff0000000103a0 fp =3D 0xffff0000000105b0
db_trace_self_wrapper() at vpanic+0x19c
pc =3D 0xffff0000000ba870 lr =3D 0xffff000000362fb0
sp =3D 0xffff0000000105c0 fp =3D 0xffff000000010670
vpanic() at panic+0x44
pc =3D 0xffff000000362fb0 lr =3D 0xffff000000362e10
sp =3D 0xffff000000010680 fp =3D 0xffff000000010700
panic() at data_abort+0x21c
pc =3D 0xffff000000362e10 lr =3D 0xffff0000006868b8
sp =3D 0xffff000000010710 fp =3D 0xffff0000000107c0
data_abort() at do_el1h_sync+0x11c
pc =3D 0xffff0000006868b8 lr =3D 0xffff000000686598
sp =3D 0xffff0000000107d0 fp =3D 0xffff000000010800
do_el1h_sync() at handle_el1h_sync+0x74
pc =3D 0xffff000000686598 lr =3D 0xffff000000671074
sp =3D 0xffff000000010810 fp =3D 0xffff000000010920
handle_el1h_sync() at efi_get_time+0x38
pc =3D 0xffff000000671074 lr =3D 0xffff0000000fee84
sp =3D 0xffff000000010930 fp =3D 0xffff0000000109d0
efi_get_time() at efirtc_probe+0x18
pc =3D 0xffff0000000fee84 lr =3D 0xffff0000000ff5b8
sp =3D 0xffff0000000109e0 fp =3D 0xffff000000010a00
efirtc_probe() at device_probe_child+0x150
pc =3D 0xffff0000000ff5b8 lr =3D 0xffff000000397c1c
sp =3D 0xffff000000010a10 fp =3D 0xffff000000010a70
device_probe_child() at device_probe+0x88
pc =3D 0xffff000000397c1c lr =3D 0xffff0000003988ac
sp =3D 0xffff000000010a80 fp =3D 0xffff000000010aa0
device_probe() at bus_generic_new_pass+0xec
pc =3D 0xffff0000003988ac lr =3D 0xffff00000039a78c
sp =3D 0xffff000000010ab0 fp =3D 0xffff000000010ae0
bus_generic_new_pass() at bus_generic_new_pass+0xd0
pc =3D 0xffff00000039a78c lr =3D 0xffff00000039a770
sp =3D 0xffff000000010af0 fp =3D 0xffff000000010b20
bus_generic_new_pass() at root_bus_configure+0x78
pc =3D 0xffff00000039a770 lr =3D 0xffff00000039c700
sp =3D 0xffff000000010b30 fp =3D 0xffff000000010b60
root_bus_configure() at mi_startup+0xc8
pc =3D 0xffff00000039c700 lr =3D 0xffff0000002fbbcc
sp =3D 0xffff000000010b70 fp =3D 0xffff000000010bb0
mi_startup() at virtdone+0x54
pc =3D 0xffff0000002fbbcc lr =3D 0xffff000000001084
sp =3D 0xffff000000010bc0 fp =3D 0x0000000000000000
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at 0x3af61fd0:KDB: reentering
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x28
pc =3D 0xffff00000066ead0 lr =3D 0xffff0000000ba870
sp =3D 0xffff00000000f990 fp =3D 0xffff00000000fba0
db_trace_self_wrapper() at kdb_reenter+0x38
pc =3D 0xffff0000000ba870 lr =3D 0xffff0000003a778c
sp =3D 0xffff00000000fbb0 fp =3D 0xffff00000000fbc0
kdb_reenter() at do_el1h_sync+0x11c
pc =3D 0xffff0000003a778c lr =3D 0xffff000000686598
sp =3D 0xffff00000000fbd0 fp =3D 0xffff00000000fc00
do_el1h_sync() at handle_el1h_sync+0x74
pc =3D 0xffff000000686598 lr =3D 0xffff000000671074
sp =3D 0xffff00000000fc10 fp =3D 0xffff00000000fd20
handle_el1h_sync() at db_read_bytes+0x34
pc =3D 0xffff000000671074 lr =3D 0xffff00000066e878
sp =3D 0xffff00000000fd30 fp =3D 0xffff00000000ffe0
db_read_bytes() at db_get_value+0x38
pc =3D 0xffff00000066e878 lr =3D 0xffff0000000b69fc
sp =3D 0xffff00000000fff0 fp =3D 0xffff000000010020
db_get_value() at db_disasm_read_word+0x10
pc =3D 0xffff0000000b69fc lr =3D 0xffff00000066e7f4
sp =3D 0xffff000000010030 fp =3D 0xffff000000010030
db_disasm_read_word() at disasm+0x40
pc =3D 0xffff00000066e7f4 lr =3D 0xffff00000066f6a0
sp =3D 0xffff000000010040 fp =3D 0xffff0000000100a0
disasm() at db_print_loc_and_inst+0x40
pc =3D 0xffff00000066f6a0 lr =3D 0xffff0000000b8adc
sp =3D 0xffff0000000100b0 fp =3D 0xffff0000000100c0
db_print_loc_and_inst() at db_trap+0xd4
pc =3D 0xffff0000000b8adc lr =3D 0xffff0000000ba9b8
sp =3D 0xffff0000000100d0 fp =3D 0xffff0000000102f0
db_trap() at kdb_trap+0x1c8
pc =3D 0xffff0000000ba9b8 lr =3D 0xffff0000003a7bdc
sp =3D 0xffff000000010300 fp =3D 0xffff0000000103b0
kdb_trap() at do_el1h_sync+0xf0
pc =3D 0xffff0000003a7bdc lr =3D 0xffff00000068656c
sp =3D 0xffff0000000103c0 fp =3D 0xffff0000000103f0
do_el1h_sync() at handle_el1h_sync+0x74
pc =3D 0xffff00000068656c lr =3D 0xffff000000671074
sp =3D 0xffff000000010400 fp =3D 0xffff000000010510
handle_el1h_sync() at kdb_enter+0x34
pc =3D 0xffff000000671074 lr =3D 0xffff0000003a7280
sp =3D 0xffff000000010520 fp =3D 0xffff0000000105b0
kdb_enter() at vpanic+0x1b8
pc =3D 0xffff0000003a7280 lr =3D 0xffff000000362fcc
sp =3D 0xffff0000000105c0 fp =3D 0xffff000000010670
vpanic() at panic+0x44
pc =3D 0xffff000000362fcc lr =3D 0xffff000000362e10
sp =3D 0xffff000000010680 fp =3D 0xffff000000010700
panic() at data_abort+0x21c
pc =3D 0xffff000000362e10 lr =3D 0xffff0000006868b8
sp =3D 0xffff000000010710 fp =3D 0xffff0000000107c0
data_abort() at do_el1h_sync+0x11c
pc =3D 0xffff0000006868b8 lr =3D 0xffff000000686598
sp =3D 0xffff0000000107d0 fp =3D 0xffff000000010800
do_el1h_sync() at handle_el1h_sync+0x74
pc =3D 0xffff000000686598 lr =3D 0xffff000000671074
sp =3D 0xffff000000010810 fp =3D 0xffff000000010920
handle_el1h_sync() at efi_get_time+0x38
pc =3D 0xffff000000671074 lr =3D 0xffff0000000fee84
sp =3D 0xffff000000010930 fp =3D 0xffff0000000109d0
efi_get_time() at efirtc_probe+0x18
pc =3D 0xffff0000000fee84 lr =3D 0xffff0000000ff5b8
sp =3D 0xffff0000000109e0 fp =3D 0xffff000000010a00
efirtc_probe() at device_probe_child+0x150
pc =3D 0xffff0000000ff5b8 lr =3D 0xffff000000397c1c
sp =3D 0xffff000000010a10 fp =3D 0xffff000000010a70
device_probe_child() at device_probe+0x88
pc =3D 0xffff000000397c1c lr =3D 0xffff0000003988ac
sp =3D 0xffff000000010a80 fp =3D 0xffff000000010aa0
device_probe() at bus_generic_new_pass+0xec
pc =3D 0xffff0000003988ac lr =3D 0xffff00000039a78c
sp =3D 0xffff000000010ab0 fp =3D 0xffff000000010ae0
bus_generic_new_pass() at bus_generic_new_pass+0xd0
pc =3D 0xffff00000039a78c lr =3D 0xffff00000039a770
sp =3D 0xffff000000010af0 fp =3D 0xffff000000010b20
bus_generic_new_pass() at root_bus_configure+0x78
pc =3D 0xffff00000039a770 lr =3D 0xffff00000039c700
sp =3D 0xffff000000010b30 fp =3D 0xffff000000010b60
root_bus_configure() at mi_startup+0xc8
pc =3D 0xffff00000039c700 lr =3D 0xffff0000002fbbcc
sp =3D 0xffff000000010b70 fp =3D 0xffff000000010bb0
mi_startup() at virtdone+0x54
pc =3D 0xffff0000002fbbcc lr =3D 0xffff000000001084
sp =3D 0xffff000000010bc0 fp =3D 0x0000000000000000
*** error reading from address 3af61fd0 ***
KDB: reentering
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x28
pc =3D 0xffff00000066ead0 lr =3D 0xffff0000000ba870
sp =3D 0xffff00000000fdb0 fp =3D 0xffff00000000ffc0
db_trace_self_wrapper() at kdb_reenter+0x38
pc =3D 0xffff0000000ba870 lr =3D 0xffff0000003a778c
sp =3D 0xffff00000000ffd0 fp =3D 0xffff00000000ffe0
kdb_reenter() at db_get_value+0x50
pc =3D 0xffff0000003a778c lr =3D 0xffff0000000b6a14
sp =3D 0xffff00000000fff0 fp =3D 0xffff000000010020
db_get_value() at db_disasm_read_word+0x10
pc =3D 0xffff0000000b6a14 lr =3D 0xffff00000066e7f4
sp =3D 0xffff000000010030 fp =3D 0xffff000000010030
db_disasm_read_word() at disasm+0x40
pc =3D 0xffff00000066e7f4 lr =3D 0xffff00000066f6a0
sp =3D 0xffff000000010040 fp =3D 0xffff0000000100a0
disasm() at db_print_loc_and_inst+0x40
pc =3D 0xffff00000066f6a0 lr =3D 0xffff0000000b8adc
sp =3D 0xffff0000000100b0 fp =3D 0xffff0000000100c0
db_print_loc_and_inst() at db_trap+0xd4
pc =3D 0xffff0000000b8adc lr =3D 0xffff0000000ba9b8
sp =3D 0xffff0000000100d0 fp =3D 0xffff0000000102f0
db_trap() at kdb_trap+0x1c8
pc =3D 0xffff0000000ba9b8 lr =3D 0xffff0000003a7bdc
sp =3D 0xffff000000010300 fp =3D 0xffff0000000103b0
kdb_trap() at do_el1h_sync+0xf0
pc =3D 0xffff0000003a7bdc lr =3D 0xffff00000068656c
sp =3D 0xffff0000000103c0 fp =3D 0xffff0000000103f0
do_el1h_sync() at handle_el1h_sync+0x74
pc =3D 0xffff00000068656c lr =3D 0xffff000000671074
sp =3D 0xffff000000010400 fp =3D 0xffff000000010510
handle_el1h_sync() at kdb_enter+0x34
pc =3D 0xffff000000671074 lr =3D 0xffff0000003a7280
sp =3D 0xffff000000010520 fp =3D 0xffff0000000105b0
kdb_enter() at vpanic+0x1b8
pc =3D 0xffff0000003a7280 lr =3D 0xffff000000362fcc
sp =3D 0xffff0000000105c0 fp =3D 0xffff000000010670
vpanic() at panic+0x44
pc =3D 0xffff000000362fcc lr =3D 0xffff000000362e10
sp =3D 0xffff000000010680 fp =3D 0xffff000000010700
panic() at data_abort+0x21c
pc =3D 0xffff000000362e10 lr =3D 0xffff0000006868b8
sp =3D 0xffff000000010710 fp =3D 0xffff0000000107c0
data_abort() at do_el1h_sync+0x11c
pc =3D 0xffff0000006868b8 lr =3D 0xffff000000686598
sp =3D 0xffff0000000107d0 fp =3D 0xffff000000010800
do_el1h_sync() at handle_el1h_sync+0x74
pc =3D 0xffff000000686598 lr =3D 0xffff000000671074
sp =3D 0xffff000000010810 fp =3D 0xffff000000010920
handle_el1h_sync() at efi_get_time+0x38
pc =3D 0xffff000000671074 lr =3D 0xffff0000000fee84
sp =3D 0xffff000000010930 fp =3D 0xffff0000000109d0
efi_get_time() at efirtc_probe+0x18
pc =3D 0xffff0000000fee84 lr =3D 0xffff0000000ff5b8
sp =3D 0xffff0000000109e0 fp =3D 0xffff000000010a00
efirtc_probe() at device_probe_child+0x150
pc =3D 0xffff0000000ff5b8 lr =3D 0xffff000000397c1c
sp =3D 0xffff000000010a10 fp =3D 0xffff000000010a70
device_probe_child() at device_probe+0x88
pc =3D 0xffff000000397c1c lr =3D 0xffff0000003988ac
sp =3D 0xffff000000010a80 fp =3D 0xffff000000010aa0
device_probe() at bus_generic_new_pass+0xec
pc =3D 0xffff0000003988ac lr =3D 0xffff00000039a78c
sp =3D 0xffff000000010ab0 fp =3D 0xffff000000010ae0
bus_generic_new_pass() at bus_generic_new_pass+0xd0
pc =3D 0xffff00000039a78c lr =3D 0xffff00000039a770
sp =3D 0xffff000000010af0 fp =3D 0xffff000000010b20
bus_generic_new_pass() at root_bus_configure+0x78
pc =3D 0xffff00000039a770 lr =3D 0xffff00000039c700
sp =3D 0xffff000000010b30 fp =3D 0xffff000000010b60
root_bus_configure() at mi_startup+0xc8
pc =3D 0xffff00000039c700 lr =3D 0xffff0000002fbbcc
sp =3D 0xffff000000010b70 fp =3D 0xffff000000010bb0
mi_startup() at virtdone+0x54
pc =3D 0xffff0000002fbbcc lr =3D 0xffff000000001084
sp =3D 0xffff000000010bc0 fp =3D 0x0000000000000000
db>=20
Any idea what goes wrong?
Best regards
Michael=
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