arm64 panics on boot on a RPi3
Andrew Turner
andrew at fubar.geek.nz
Sat Mar 17 12:10:00 UTC 2018
You need to update loader.efi. A recent change to the kernel means we can now enable the EFI runtime services when booting from U-Boot. There is however an issue where if you try to read the time before calling SetVirtualAddressMap it will try to call into a function out side of the runtime map. As this isn’t a valid address we don’t include it in the memory map so you get the panic below.
It doesn’t seem to be an issue on UEFI implementations derived from EDK2.
Andrew
> On 17 Mar 2018, at 10:20, Michael Tuexen <tuexen at freebsd.org> wrote:
>
> 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
> 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 at bsd18.fh-muenster.de)
> EFI boot environment
> Loading /boot/defaults/loader.conf
> /boot/kernel/kernel text=0x8482a0 data=0x137018+0x71f83c syms=[0x8+0x1148a0+0x8+0x106675]
> /boot/entropy size=0x1000
> /boot/kernel/geom_label.ko text=0x2b40 text=0x2610 data=0x10120+0xfee4 syms=[0x8+0x15a8+0x8+0xf73]
>
> Hit [Enter] to boot immediately, or any other key for command prompt.
> Booting [/boot/kernel/kernel]...
> 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 at 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 = 0
> time = 1
> KDB: stack backtrace:
> db_trace_self() at db_trace_self_wrapper+0x28
> pc = 0xffff00000066ead0 lr = 0xffff0000000ba870
> sp = 0xffff0000000103a0 fp = 0xffff0000000105b0
>
> db_trace_self_wrapper() at vpanic+0x19c
> pc = 0xffff0000000ba870 lr = 0xffff000000362fb0
> sp = 0xffff0000000105c0 fp = 0xffff000000010670
>
> vpanic() at panic+0x44
> pc = 0xffff000000362fb0 lr = 0xffff000000362e10
> sp = 0xffff000000010680 fp = 0xffff000000010700
>
> panic() at data_abort+0x21c
> pc = 0xffff000000362e10 lr = 0xffff0000006868b8
> sp = 0xffff000000010710 fp = 0xffff0000000107c0
>
> data_abort() at do_el1h_sync+0x11c
> pc = 0xffff0000006868b8 lr = 0xffff000000686598
> sp = 0xffff0000000107d0 fp = 0xffff000000010800
>
> do_el1h_sync() at handle_el1h_sync+0x74
> pc = 0xffff000000686598 lr = 0xffff000000671074
> sp = 0xffff000000010810 fp = 0xffff000000010920
>
> handle_el1h_sync() at efi_get_time+0x38
> pc = 0xffff000000671074 lr = 0xffff0000000fee84
> sp = 0xffff000000010930 fp = 0xffff0000000109d0
>
> efi_get_time() at efirtc_probe+0x18
> pc = 0xffff0000000fee84 lr = 0xffff0000000ff5b8
> sp = 0xffff0000000109e0 fp = 0xffff000000010a00
>
> efirtc_probe() at device_probe_child+0x150
> pc = 0xffff0000000ff5b8 lr = 0xffff000000397c1c
> sp = 0xffff000000010a10 fp = 0xffff000000010a70
>
> device_probe_child() at device_probe+0x88
> pc = 0xffff000000397c1c lr = 0xffff0000003988ac
> sp = 0xffff000000010a80 fp = 0xffff000000010aa0
>
> device_probe() at bus_generic_new_pass+0xec
> pc = 0xffff0000003988ac lr = 0xffff00000039a78c
> sp = 0xffff000000010ab0 fp = 0xffff000000010ae0
>
> bus_generic_new_pass() at bus_generic_new_pass+0xd0
> pc = 0xffff00000039a78c lr = 0xffff00000039a770
> sp = 0xffff000000010af0 fp = 0xffff000000010b20
>
> bus_generic_new_pass() at root_bus_configure+0x78
> pc = 0xffff00000039a770 lr = 0xffff00000039c700
> sp = 0xffff000000010b30 fp = 0xffff000000010b60
>
> root_bus_configure() at mi_startup+0xc8
> pc = 0xffff00000039c700 lr = 0xffff0000002fbbcc
> sp = 0xffff000000010b70 fp = 0xffff000000010bb0
>
> mi_startup() at virtdone+0x54
> pc = 0xffff0000002fbbcc lr = 0xffff000000001084
> sp = 0xffff000000010bc0 fp = 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 = 0xffff00000066ead0 lr = 0xffff0000000ba870
> sp = 0xffff00000000f990 fp = 0xffff00000000fba0
>
> db_trace_self_wrapper() at kdb_reenter+0x38
> pc = 0xffff0000000ba870 lr = 0xffff0000003a778c
> sp = 0xffff00000000fbb0 fp = 0xffff00000000fbc0
>
> kdb_reenter() at do_el1h_sync+0x11c
> pc = 0xffff0000003a778c lr = 0xffff000000686598
> sp = 0xffff00000000fbd0 fp = 0xffff00000000fc00
>
> do_el1h_sync() at handle_el1h_sync+0x74
> pc = 0xffff000000686598 lr = 0xffff000000671074
> sp = 0xffff00000000fc10 fp = 0xffff00000000fd20
>
> handle_el1h_sync() at db_read_bytes+0x34
> pc = 0xffff000000671074 lr = 0xffff00000066e878
> sp = 0xffff00000000fd30 fp = 0xffff00000000ffe0
>
> db_read_bytes() at db_get_value+0x38
> pc = 0xffff00000066e878 lr = 0xffff0000000b69fc
> sp = 0xffff00000000fff0 fp = 0xffff000000010020
>
> db_get_value() at db_disasm_read_word+0x10
> pc = 0xffff0000000b69fc lr = 0xffff00000066e7f4
> sp = 0xffff000000010030 fp = 0xffff000000010030
>
> db_disasm_read_word() at disasm+0x40
> pc = 0xffff00000066e7f4 lr = 0xffff00000066f6a0
> sp = 0xffff000000010040 fp = 0xffff0000000100a0
>
> disasm() at db_print_loc_and_inst+0x40
> pc = 0xffff00000066f6a0 lr = 0xffff0000000b8adc
> sp = 0xffff0000000100b0 fp = 0xffff0000000100c0
>
> db_print_loc_and_inst() at db_trap+0xd4
> pc = 0xffff0000000b8adc lr = 0xffff0000000ba9b8
> sp = 0xffff0000000100d0 fp = 0xffff0000000102f0
>
> db_trap() at kdb_trap+0x1c8
> pc = 0xffff0000000ba9b8 lr = 0xffff0000003a7bdc
> sp = 0xffff000000010300 fp = 0xffff0000000103b0
>
> kdb_trap() at do_el1h_sync+0xf0
> pc = 0xffff0000003a7bdc lr = 0xffff00000068656c
> sp = 0xffff0000000103c0 fp = 0xffff0000000103f0
>
> do_el1h_sync() at handle_el1h_sync+0x74
> pc = 0xffff00000068656c lr = 0xffff000000671074
> sp = 0xffff000000010400 fp = 0xffff000000010510
>
> handle_el1h_sync() at kdb_enter+0x34
> pc = 0xffff000000671074 lr = 0xffff0000003a7280
> sp = 0xffff000000010520 fp = 0xffff0000000105b0
>
> kdb_enter() at vpanic+0x1b8
> pc = 0xffff0000003a7280 lr = 0xffff000000362fcc
> sp = 0xffff0000000105c0 fp = 0xffff000000010670
>
> vpanic() at panic+0x44
> pc = 0xffff000000362fcc lr = 0xffff000000362e10
> sp = 0xffff000000010680 fp = 0xffff000000010700
>
> panic() at data_abort+0x21c
> pc = 0xffff000000362e10 lr = 0xffff0000006868b8
> sp = 0xffff000000010710 fp = 0xffff0000000107c0
>
> data_abort() at do_el1h_sync+0x11c
> pc = 0xffff0000006868b8 lr = 0xffff000000686598
> sp = 0xffff0000000107d0 fp = 0xffff000000010800
>
> do_el1h_sync() at handle_el1h_sync+0x74
> pc = 0xffff000000686598 lr = 0xffff000000671074
> sp = 0xffff000000010810 fp = 0xffff000000010920
>
> handle_el1h_sync() at efi_get_time+0x38
> pc = 0xffff000000671074 lr = 0xffff0000000fee84
> sp = 0xffff000000010930 fp = 0xffff0000000109d0
>
> efi_get_time() at efirtc_probe+0x18
> pc = 0xffff0000000fee84 lr = 0xffff0000000ff5b8
> sp = 0xffff0000000109e0 fp = 0xffff000000010a00
>
> efirtc_probe() at device_probe_child+0x150
> pc = 0xffff0000000ff5b8 lr = 0xffff000000397c1c
> sp = 0xffff000000010a10 fp = 0xffff000000010a70
>
> device_probe_child() at device_probe+0x88
> pc = 0xffff000000397c1c lr = 0xffff0000003988ac
> sp = 0xffff000000010a80 fp = 0xffff000000010aa0
>
> device_probe() at bus_generic_new_pass+0xec
> pc = 0xffff0000003988ac lr = 0xffff00000039a78c
> sp = 0xffff000000010ab0 fp = 0xffff000000010ae0
>
> bus_generic_new_pass() at bus_generic_new_pass+0xd0
> pc = 0xffff00000039a78c lr = 0xffff00000039a770
> sp = 0xffff000000010af0 fp = 0xffff000000010b20
>
> bus_generic_new_pass() at root_bus_configure+0x78
> pc = 0xffff00000039a770 lr = 0xffff00000039c700
> sp = 0xffff000000010b30 fp = 0xffff000000010b60
>
> root_bus_configure() at mi_startup+0xc8
> pc = 0xffff00000039c700 lr = 0xffff0000002fbbcc
> sp = 0xffff000000010b70 fp = 0xffff000000010bb0
>
> mi_startup() at virtdone+0x54
> pc = 0xffff0000002fbbcc lr = 0xffff000000001084
> sp = 0xffff000000010bc0 fp = 0x0000000000000000
>
> *** error reading from address 3af61fd0 ***
> KDB: reentering
> KDB: stack backtrace:
> db_trace_self() at db_trace_self_wrapper+0x28
> pc = 0xffff00000066ead0 lr = 0xffff0000000ba870
> sp = 0xffff00000000fdb0 fp = 0xffff00000000ffc0
>
> db_trace_self_wrapper() at kdb_reenter+0x38
> pc = 0xffff0000000ba870 lr = 0xffff0000003a778c
> sp = 0xffff00000000ffd0 fp = 0xffff00000000ffe0
>
> kdb_reenter() at db_get_value+0x50
> pc = 0xffff0000003a778c lr = 0xffff0000000b6a14
> sp = 0xffff00000000fff0 fp = 0xffff000000010020
>
> db_get_value() at db_disasm_read_word+0x10
> pc = 0xffff0000000b6a14 lr = 0xffff00000066e7f4
> sp = 0xffff000000010030 fp = 0xffff000000010030
>
> db_disasm_read_word() at disasm+0x40
> pc = 0xffff00000066e7f4 lr = 0xffff00000066f6a0
> sp = 0xffff000000010040 fp = 0xffff0000000100a0
>
> disasm() at db_print_loc_and_inst+0x40
> pc = 0xffff00000066f6a0 lr = 0xffff0000000b8adc
> sp = 0xffff0000000100b0 fp = 0xffff0000000100c0
>
> db_print_loc_and_inst() at db_trap+0xd4
> pc = 0xffff0000000b8adc lr = 0xffff0000000ba9b8
> sp = 0xffff0000000100d0 fp = 0xffff0000000102f0
>
> db_trap() at kdb_trap+0x1c8
> pc = 0xffff0000000ba9b8 lr = 0xffff0000003a7bdc
> sp = 0xffff000000010300 fp = 0xffff0000000103b0
>
> kdb_trap() at do_el1h_sync+0xf0
> pc = 0xffff0000003a7bdc lr = 0xffff00000068656c
> sp = 0xffff0000000103c0 fp = 0xffff0000000103f0
>
> do_el1h_sync() at handle_el1h_sync+0x74
> pc = 0xffff00000068656c lr = 0xffff000000671074
> sp = 0xffff000000010400 fp = 0xffff000000010510
>
> handle_el1h_sync() at kdb_enter+0x34
> pc = 0xffff000000671074 lr = 0xffff0000003a7280
> sp = 0xffff000000010520 fp = 0xffff0000000105b0
>
> kdb_enter() at vpanic+0x1b8
> pc = 0xffff0000003a7280 lr = 0xffff000000362fcc
> sp = 0xffff0000000105c0 fp = 0xffff000000010670
>
> vpanic() at panic+0x44
> pc = 0xffff000000362fcc lr = 0xffff000000362e10
> sp = 0xffff000000010680 fp = 0xffff000000010700
>
> panic() at data_abort+0x21c
> pc = 0xffff000000362e10 lr = 0xffff0000006868b8
> sp = 0xffff000000010710 fp = 0xffff0000000107c0
>
> data_abort() at do_el1h_sync+0x11c
> pc = 0xffff0000006868b8 lr = 0xffff000000686598
> sp = 0xffff0000000107d0 fp = 0xffff000000010800
>
> do_el1h_sync() at handle_el1h_sync+0x74
> pc = 0xffff000000686598 lr = 0xffff000000671074
> sp = 0xffff000000010810 fp = 0xffff000000010920
>
> handle_el1h_sync() at efi_get_time+0x38
> pc = 0xffff000000671074 lr = 0xffff0000000fee84
> sp = 0xffff000000010930 fp = 0xffff0000000109d0
>
> efi_get_time() at efirtc_probe+0x18
> pc = 0xffff0000000fee84 lr = 0xffff0000000ff5b8
> sp = 0xffff0000000109e0 fp = 0xffff000000010a00
>
> efirtc_probe() at device_probe_child+0x150
> pc = 0xffff0000000ff5b8 lr = 0xffff000000397c1c
> sp = 0xffff000000010a10 fp = 0xffff000000010a70
>
> device_probe_child() at device_probe+0x88
> pc = 0xffff000000397c1c lr = 0xffff0000003988ac
> sp = 0xffff000000010a80 fp = 0xffff000000010aa0
>
> device_probe() at bus_generic_new_pass+0xec
> pc = 0xffff0000003988ac lr = 0xffff00000039a78c
> sp = 0xffff000000010ab0 fp = 0xffff000000010ae0
>
> bus_generic_new_pass() at bus_generic_new_pass+0xd0
> pc = 0xffff00000039a78c lr = 0xffff00000039a770
> sp = 0xffff000000010af0 fp = 0xffff000000010b20
>
> bus_generic_new_pass() at root_bus_configure+0x78
> pc = 0xffff00000039a770 lr = 0xffff00000039c700
> sp = 0xffff000000010b30 fp = 0xffff000000010b60
>
> root_bus_configure() at mi_startup+0xc8
> pc = 0xffff00000039c700 lr = 0xffff0000002fbbcc
> sp = 0xffff000000010b70 fp = 0xffff000000010bb0
>
> mi_startup() at virtdone+0x54
> pc = 0xffff0000002fbbcc lr = 0xffff000000001084
> sp = 0xffff000000010bc0 fp = 0x0000000000000000
>
> db>
>
> Any idea what goes wrong?
>
> Best regards
> Michael
> _______________________________________________
> freebsd-arm at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-arm
> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"
>
More information about the freebsd-arm
mailing list