Re: network crash in nhop_free

From: Andriy Gapon <avg_at_FreeBSD.org>
Date: Tue, 22 Jun 2021 13:31:06 +0300
It seems that the panic message was
panic: Misaligned access from kernel space!

On 22/06/2021 12:54, Andriy Gapon wrote:
> 
> Not sure if I'll be able to get more out of this arm64 machine.
> I was playing with ppp and switching routes between LAN and ppp when the crash 
> happened.
> The system is 2-3 weeks old 14.0-CURRENT as of c8250c5ada85fec.
> 
> 
> Tracing pid 0 tid 100014 td 0xffffa00000c00000
> db_trace_self() at db_trace_self
> db_stack_trace() at db_stack_trace+0x11c
> db_command() at db_command+0x244
> db_command_loop() at db_command_loop+0x54
> db_trap() at db_trap+0xf8
> kdb_trap() at kdb_trap+0x1c4
> handle_el1h_sync() at handle_el1h_sync+0x74
> --- exception, esr 0xf2000000
> kdb_enter() at kdb_enter+0x44
> vpanic() at vpanic+0x1c4
> panic() at panic+0x44
> align_abort() at align_abort+0xb8
> handle_el1h_sync() at handle_el1h_sync+0x74
> --- exception, esr 0x96000021
> nhop_free() at nhop_free+0x100
> destroy_nhgrp() at destroy_nhgrp+0x38
> epoch_call_task() at epoch_call_task+0x158
> gtaskqueue_run_locked() at gtaskqueue_run_locked+0x178
> gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0x9c
> fork_exit() at fork_exit+0x74
> fork_trampoline() at fork_trampoline+0x14


-- 
Andriy Gapon
Received on Tue Jun 22 2021 - 10:31:06 UTC

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