panic: Called fill_fpregs while the kernel is using the VFP

bob prohaska <[email protected]>
Newsgroups gmane.os.freebsd.devel.arm
Message-ID <[email protected]>
This is new to me. Pi2 running armv7 at 
main-4b0552d5f4: Thu Feb 16 16:12:46 PST 2023

panic: Called fill_fpregs while the kernel is using the VFP
cpuid = 3
time = 1678112700
KDB: stack backtrace:
db_trace_self() at db_trace_self
	 pc = 0xc05e5aec  lr = 0xc007a684 (db_trace_self_wrapper+0x30)
	 sp = 0xdd2de790  fp = 0xdd2de8a8
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
	 pc = 0xc007a684  lr = 0xc02e9184 (vpanic+0x140)
	 sp = 0xdd2de8b0  fp = 0xdd2de8d0
	 r4 = 0x00000100  r5 = 0x00000000
	 r6 = 0xc07875a1  r7 = 0xc0b12f08
vpanic() at vpanic+0x140
	 pc = 0xc02e9184  lr = 0xc02e8f64 (dump_savectx)
	 sp = 0xdd2de8d8  fp = 0xdd2de8dc
	 r4 = 0xe05bc900  r5 = 0xc4c19e90
	 r6 = 0xdffb6e50  r7 = 0xd70afa40
	 r8 = 0xdffb6e40  r9 = 0xe05bc900
	r10 = 0xdd2de960
dump_savectx() at dump_savectx
	 pc = 0xc02e8f64  lr = 0xc05f2ea8 (set_regs)
	 sp = 0xdd2de8e4  fp = 0xdd2de8f8
set_regs() at set_regs
	 pc = 0xc05f2ea8  lr = 0xc026ee34 (elf32_get_fpregset+0x2c)
	 sp = 0xdd2de900  fp = 0xdd2de908
	 r4 = 0xdffb6e50  r5 = 0xc026ee08
elf32_get_fpregset() at elf32_get_fpregset+0x2c
	 pc = 0xc026ee34  lr = 0xc026cd9c (elf32_coredump+0x308)
	 sp = 0xdd2de910  fp = 0xdd2de988
	 r4 = 0xc09033d4 r10 = 0xdd2de960
elf32_coredump() at elf32_coredump+0x308
	 pc = 0xc026cd9c  lr = 0xc02edfac (sigexit+0xce0)
	 sp = 0xdd2de990  fp = 0xdd2decf8
	 r4 = 0x0000004e  r5 = 0xddb6883c
	 r6 = 0xddb68754  r7 = 0xc026ca94
	 r8 = 0xde22e2bc  r9 = 0xddb687b0
	r10 = 0x00000000
sigexit() at sigexit+0xce0
	 pc = 0xc02edfac  lr = 0xc02ee8ac (postsig+0x128)
	 sp = 0xdd2ded00  fp = 0xdd2ded88
	 r4 = 0x00000006  r5 = 0xde2f5000
	 r6 = 0xdd2ded20  r7 = 0xdd2ded18
	 r8 = 0xde22e1f8  r9 = 0xd710cab8
	r10 = 0x00000005
postsig() at postsig+0x128
	 pc = 0xc02ee8ac  lr = 0xc02f26dc (ast_sig+0x11c)
	 sp = 0xdd2ded90  fp = 0xdd2dee08
	 r4 = 0xde2f5000  r5 = 0xde22e2bc
	 r6 = 0xc0753a8d  r7 = 0x00000000
	 r8 = 0xde22e1f8  r9 = 0x00000ab8
	r10 = 0x23adf040
ast_sig() at ast_sig+0x11c
	 pc = 0xc02f26dc  lr = 0xc0352fb0 (ast_handler+0xe0)
	 sp = 0xdd2dee10  fp = 0xdd2dee28
	 r4 = 0xdd2dee40  r5 = 0x0000000e
	 r6 = 0x00004000  r7 = 0xc096bf9c
	 r8 = 0xde2f5000  r9 = 0x00000001
ast_handler() at ast_handler+0xe0
	 pc = 0xc0352fb0  lr = 0xc0352ec0 (ast+0x20)
	 sp = 0xdd2dee30  fp = 0xdd2dee38
	 r4 = 0xdd2dee40  r5 = 0xde2f5000
	 r6 = 0x00000000  r7 = 0x000001b1
	 r8 = 0x24006570  r9 = 0x23adf040
ast() at ast+0x20
	 pc = 0xc0352ec0  lr = 0xc05e8410 (swi_exit+0x3c)
	 sp = 0xdd2dee40  fp = 0xbfbfcaf0
	 r4 = 0x60000013  r5 = 0xde2f5000
swi_exit() at swi_exit+0x3c
	 pc = 0xc05e8410  lr = 0xc05e8410 (swi_exit+0x3c)
	 sp = 0xdd2dee40  fp = 0xbfbfcaf0
KDB: enter: panic
[ thread pid 8505 tid 100176 ]
Stopped at      kdb_enter+0x54: ldrb    r15, [r15, r15, ror r15]!
db> 

Thanks for reading,

bob prohaska
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