Re: Armv7 panic on -current, rpi2 buildworld

Reply: Mark Millard : "Re: Armv7 panic on -current, rpi2 buildworld"
In reply to: bob prohaska : "Armv7 panic on -current, rpi2 buildworld"
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From: Warner Losh <imp_at_bsdimp.com>
Date: Wed, 15 Feb 2023 04:16:51 UTC
Sorry to top post... what program was dumping core? Looks like a too strict
assert

Warner

On Tue, Feb 14, 2023, 7:57 PM bob prohaska <fbsd@www.zefox.net> wrote:

> Building world on an RPi2 armv7, buildworld stopped with
> bob@www:/usr/src % panic: Called fill_fpregs while the kernel is using
> the VFP
> cpuid = 0
> time = 1676427410
> KDB: stack backtrace:
> db_trace_self() at db_trace_self
>          pc = 0xc05e8160  lr = 0xc007aa04 (db_trace_self_wrapper+0x30)
>          sp = 0xde2c5790  fp = 0xde2c58a8
> db_trace_self_wrapper() at db_trace_self_wrapper+0x30
>          pc = 0xc007aa04  lr = 0xc02e9c54 (vpanic+0x140)
>          sp = 0xde2c58b0  fp = 0xde2c58d0
>          r4 = 0x00000100  r5 = 0x00000000
>          r6 = 0xc07372ef  r7 = 0xc0b13968
> vpanic() at vpanic+0x140
>          pc = 0xc02e9c54  lr = 0xc02e9a34 (dump_savectx)
>          sp = 0xde2c58d8  fp = 0xde2c58dc
>          r4 = 0xd70c8600  r5 = 0xde2c5e90
>          r6 = 0xc3398090  r7 = 0xe0cfc440
>          r8 = 0xc3398080  r9 = 0xd70c8600
>         r10 = 0xde2c5960
> dump_savectx() at dump_savectx
>          pc = 0xc02e9a34  lr = 0xc05f51dc (set_regs)
>          sp = 0xde2c58e4  fp = 0xde2c58f8
> set_regs() at set_regs
>          pc = 0xc05f51dc  lr = 0xc026f8f0 (elf32_get_fpregset+0x2c)
>          sp = 0xde2c5900  fp = 0xde2c5908
>          r4 = 0xc3398090  r5 = 0xc026f8c4
> elf32_get_fpregset() at elf32_get_fpregset+0x2c
>          pc = 0xc026f8f0  lr = 0xc026d848 (elf32_coredump+0x308)
>          sp = 0xde2c5910  fp = 0xde2c5988
>          r4 = 0xc0902a7c r10 = 0xde2c5960
> elf32_coredump() at elf32_coredump+0x308
>          pc = 0xc026d848  lr = 0xc02eea74 (sigexit+0xce0)
>          sp = 0xde2c5990  fp = 0xde2c5cf8
>          r4 = 0x0000004e  r5 = 0xdf580b60
>          r6 = 0xdf580a78  r7 = 0xc026d540
>          r8 = 0xdddcb2bc  r9 = 0xdf580ad4
>         r10 = 0x00000000
> sigexit() at sigexit+0xce0
>          pc = 0xc02eea74  lr = 0xc02ef36c (postsig+0x128)
>          sp = 0xde2c5d00  fp = 0xde2c5d88
>          r4 = 0x00000006  r5 = 0xdd43fba0
>          r6 = 0xde2c5d20  r7 = 0xde2c5d18
>          r8 = 0xdddcb1f8  r9 = 0xdf3d9ab8
>         r10 = 0x00000005
> postsig() at postsig+0x128
>          pc = 0xc02ef36c  lr = 0xc02f316c (ast_sig+0x11c)
>          sp = 0xde2c5d90  fp = 0xde2c5e08
>          r4 = 0xdd43fba0  r5 = 0xdddcb2bc
>          r6 = 0xc0734d22  r7 = 0x00000000
>          r8 = 0xdddcb1f8  r9 = 0x00000ab8
>         r10 = 0x22530384
> ast_sig() at ast_sig+0x11c
>          pc = 0xc02f316c  lr = 0xc035444c (ast_handler+0xe0)
>          sp = 0xde2c5e10  fp = 0xde2c5e28
>          r4 = 0xde2c5e40  r5 = 0x0000000e
>          r6 = 0x00004000  r7 = 0xc096b59c
>          r8 = 0xdd43fba0  r9 = 0x00000001
> ast_handler() at ast_handler+0xe0
>          pc = 0xc035444c  lr = 0xc035435c (ast+0x20)
>          sp = 0xde2c5e30  fp = 0xde2c5e38
>          r4 = 0xde2c5e40  r5 = 0xdd43fba0
>          r6 = 0x00000000  r7 = 0x000001b1
>          r8 = 0x22c4b500  r9 = 0x00000000
> ast() at ast+0x20
>          pc = 0xc035435c  lr = 0xc05eaa88 (swi_exit+0x3c)
>          sp = 0xde2c5e40  fp = 0xbb9fbe38
>          r4 = 0x60000013  r5 = 0xdd43fba0
> swi_exit() at swi_exit+0x3c
>          pc = 0xc05eaa88  lr = 0xc05eaa88 (swi_exit+0x3c)
>          sp = 0xde2c5e40  fp = 0xbb9fbe38
> KDB: enter: panic
> [ thread pid 81621 tid 101111 ]
> Stopped at      kdb_enter+0x54: ldrb    r15, [r15, r15, ror r15]!
> db> bt
> Tracing pid 81621 tid 101111 td 0xdd43fba0
> db_trace_self() at db_trace_self
>          pc = 0xc05e8160  lr = 0xc00774a0 (db_stack_trace+0x140)
>          sp = 0xde2c55d8  fp = 0xde2c55f0
> db_stack_trace() at db_stack_trace+0x140
>          pc = 0xc00774a0  lr = 0xc00770f0 (db_command+0x310)
>          sp = 0xde2c55f8  fp = 0xde2c56a0
>          r4 = 0xc0745722  r5 = 0x00000062
>          r6 = 0x00000000 r10 = 0x00000000
> db_command() at db_command+0x310
>          pc = 0xc00770f0  lr = 0xc0076db8 (db_command_loop+0x64)
>          sp = 0xde2c56a8  fp = 0xde2c56b8
>          r4 = 0xc07ac186  r5 = 0xc07ab7fe
>          r6 = 0xc0986f5c  r7 = 0xc0b13968
>          r8 = 0xc0b23738  r9 = 0x00000000
>         r10 = 0x00000001
> db_command_loop() at db_command_loop+0x64
>          pc = 0xc0076db8  lr = 0xc007ab88 (db_trap+0x128)
>          sp = 0xde2c56c0  fp = 0xde2c57d8
>          r4 = 0x00000000  r5 = 0xc0986f50
>          r6 = 0xc0b23758 r10 = 0x00000001
> db_trap() at db_trap+0x128
>          pc = 0xc007ab88  lr = 0xc033bb84 (kdb_trap+0x258)
>          sp = 0xde2c57e0  fp = 0xde2c5808
>          r4 = 0xc078390c  r5 = 0xc08d5270
>          r6 = 0xc0b23758  r7 = 0xc0b13968
> kdb_trap() at kdb_trap+0x258
>          pc = 0xc033bb84  lr = 0xc05eaab8 (exception_exit)
>          sp = 0xde2c5810  fp = 0xde2c58a8
>          r4 = 0x200000d3  r5 = 0x00000000
>          r6 = 0xc07372ef  r7 = 0xc0b13968
>          r8 = 0xc093fa0c  r9 = 0xde2c58e4
>         r10 = 0xc0b13a68
> exception_exit() at exception_exit
>          pc = 0xc05eaab8  lr = 0xc033b044 (kdb_enter+0x50)
>          sp = 0xde2c58a0  fp = 0xde2c58a8
>          r0 = 0x00000000  r1 = 0x00000001
>          r2 = 0x00000012  r3 = 0x00000000
>          r4 = 0xc0b23748  r5 = 0x00000000
>          r6 = 0xc07372ef  r7 = 0xc0b13968
>          r8 = 0xc093fa0c  r9 = 0xde2c58e4
>         r10 = 0xc0b13a68 r12 = 0x00000000
> kdb_enter() at kdb_enter+0x58
>          pc = 0xc033b04c  lr = 0xc02e9ca0 (vpanic+0x18c)
>          sp = 0xde2c58b0  fp = 0xde2c58d0
>          r4 = 0x00000100 r10 = 0xc0b13a68
> vpanic() at vpanic+0x18c
>          pc = 0xc02e9ca0  lr = 0xc02e9a34 (dump_savectx)
>          sp = 0xde2c58d8  fp = 0xde2c58dc
>          r4 = 0xd70c8600  r5 = 0xde2c5e90
>          r6 = 0xc3398090  r7 = 0xe0cfc440
>          r8 = 0xc3398080  r9 = 0xd70c8600
>         r10 = 0xde2c5960
> dump_savectx() at dump_savectx
>          pc = 0xc02e9a34  lr = 0xc05f51dc (set_regs)
>          sp = 0xde2c58e4  fp = 0xde2c58f8
> set_regs() at set_regs
>          pc = 0xc05f51dc  lr = 0xc026f8f0 (elf32_get_fpregset+0x2c)
>          sp = 0xde2c5900  fp = 0xde2c5908
>          r4 = 0xc3398090  r5 = 0xc026f8c4
> elf32_get_fpregset() at elf32_get_fpregset+0x2c
>          pc = 0xc026f8f0  lr = 0xc026d848 (elf32_coredump+0x308)
>          sp = 0xde2c5910  fp = 0xde2c5988
>          r4 = 0xc0902a7c r10 = 0xde2c5960
> elf32_coredump() at elf32_coredump+0x308
>          pc = 0xc026d848  lr = 0xc02eea74 (sigexit+0xce0)
>          sp = 0xde2c5990  fp = 0xde2c5cf8
>          r4 = 0x0000004e  r5 = 0xdf580b60
>          r6 = 0xdf580a78  r7 = 0xc026d540
>          r8 = 0xdddcb2bc  r9 = 0xdf580ad4
>         r10 = 0x00000000
> sigexit() at sigexit+0xce0
>          pc = 0xc02eea74  lr = 0xc02ef36c (postsig+0x128)
>          sp = 0xde2c5d00  fp = 0xde2c5d88
>          r4 = 0x00000006  r5 = 0xdd43fba0
>          r6 = 0xde2c5d20  r7 = 0xde2c5d18
>          r8 = 0xdddcb1f8  r9 = 0xdf3d9ab8
>         r10 = 0x00000005
> postsig() at postsig+0x128
>          pc = 0xc02ef36c  lr = 0xc02f316c (ast_sig+0x11c)
>          sp = 0xde2c5d90  fp = 0xde2c5e08
>          r4 = 0xdd43fba0  r5 = 0xdddcb2bc
>          r6 = 0xc0734d22  r7 = 0x00000000
>          r8 = 0xdddcb1f8  r9 = 0x00000ab8
>         r10 = 0x22530384
> ast_sig() at ast_sig+0x11c
>          pc = 0xc02f316c  lr = 0xc035444c (ast_handler+0xe0)
>          sp = 0xde2c5e10  fp = 0xde2c5e28
>          r4 = 0xde2c5e40  r5 = 0x0000000e
>          r6 = 0x00004000  r7 = 0xc096b59c
>          r8 = 0xdd43fba0  r9 = 0x00000001
> ast_handler() at ast_handler+0xe0
>          pc = 0xc035444c  lr = 0xc035435c (ast+0x20)
>          sp = 0xde2c5e30  fp = 0xde2c5e38
>          r4 = 0xde2c5e40  r5 = 0xdd43fba0
>          r6 = 0x00000000  r7 = 0x000001b1
>          r8 = 0x22c4b500  r9 = 0x00000000
> ast() at ast+0x20
>          pc = 0xc035435c  lr = 0xc05eaa88 (swi_exit+0x3c)
>          sp = 0xde2c5e40  fp = 0xbb9fbe38
>          r4 = 0x60000013  r5 = 0xdd43fba0
> swi_exit() at swi_exit+0x3c
>          pc = 0xc05eaa88  lr = 0xc05eaa88 (swi_exit+0x3c)
>          sp = 0xde2c5e40  fp = 0xbb9fbe38
> db>
>
> The machine was last updated about a week ago, the
> sources were updated earlier today. This panic is
> new to me.
>
> Thanks for reading,
>
> bob prohaska
>
>
>
>