From nobody Tue Jun 22 09:54:16 2021 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 51DAD5D3CDF for ; Tue, 22 Jun 2021 09:54:20 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4G8MDr1skHz3sHN for ; Tue, 22 Jun 2021 09:54:20 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from [192.168.0.88] (unknown [195.64.148.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: avg/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id E322B950E for ; Tue, 22 Jun 2021 09:54:19 +0000 (UTC) (envelope-from avg@FreeBSD.org) To: freebsd-net From: Andriy Gapon Subject: network crash in nhop_free Message-ID: <2fbc5205-3fcc-d233-dae1-cf6ddc8d691d@FreeBSD.org> Date: Tue, 22 Jun 2021 12:54:16 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.11.0 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-ThisMailContainsUnwantedMimeParts: N 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