Re: RockPRO64 exception 22 esr_el1 8a000000

I managed to capture the full console output this time:

	Fatal data abort:
	  x0:                0
	  x1:                6
	  x2:                0
	  x3:                0
	  x4:                0
	  x5: ffffa000beeb9b98
	  x6:               ff
	  x7: ffffa00000c2e100
	  x8: ffffa000b79305a8
	  x9:                0
	 x10:            20000
	 x11:                0
	 x12:                0
	 x13:                0
	 x14: ffffa00000ce3700
	 x15:                0
	 x16: ffff0000e5cbfff8 (_DYNAMIC + 4a0)
	 x17: ffff000000589828 (sosend + 0)
	 x18: ffff0000e6707490 (ratelimit_v6 + a37280)
	 x19:                0
	 x20: ffff0000e6707518 (ratelimit_v6 + a37308)
	 x21:                0
	 x22:                0
	 x23:               14
	 x24:               40
	 x25: ffff0000e6707538 (ratelimit_v6 + a37328)
	 x26:                0
	 x27:                0
	 x28: ffffa00081055d3c
	 x29: ffff0000e6707490 (ratelimit_v6 + a37280)
	  sp: ffff0000e6707490
	  lr: ffff000000657724 (fib4_lookup + 40)
	 elr:                0
	spsr:         60000045
	 far:                0
	 esr:         86000004
	panic: vm_fault failed: 0 error 1
	cpuid = 4
	time = 1652940940
	KDB: stack backtrace:
	db_trace_self() at db_trace_self
	db_trace_self_wrapper() at db_trace_self_wrapper+0x30
	vpanic() at vpanic+0x174
	panic() at panic+0x44
	data_abort() at data_abort+0x2c4
	handle_el1h_sync() at handle_el1h_sync+0x10
	--- exception, esr 0x86000004
	(null)() at 0
	ip_output() at ip_output+0x9a4
	udp_send() at udp_send+0xb5c
	sosend_dgram() at sosend_dgram+0x4a4
	sosend() at sosend+0x2c
	wg_send() at wg_send+0x108
	wg_deliver_out() at wg_deliver_out+0x17c
	gtaskqueue_run_locked() at gtaskqueue_run_locked+0x17c
	gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0x130
	fork_exit() at fork_exit+0x88
	fork_trampoline() at fork_trampoline+0x14
	KDB: enter: panic
	[ thread pid 0 tid 100280 ]
	Stopped at      kdb_enter+0x40: undefined       f907827f
	db> 


Poul-Henning Kamp writes:
> With GENERIC-NODEBUG 14.0-CURRENT #10 main-n255667-9b88ecd674a
>
> I reproducibly get:
>
> 	panic: Unknown kernel exception 22 esr_el1 8a000000
>
> Happens in:
>
> 	ip_output() at ip_output+0x9a4
> 	udp_send() at udp_send+0xb5c
> 	sosend_dgram() at sosend_dgram+0x4a4
> 	[...]
>
> As I understand it, that is in "undefined instruction" territory,
> so it could be anything from LLVM over compiler flags to kernel ?
>
> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk@FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.