From nobody Mon Mar 07 01:01:30 2022 X-Original-To: freebsd-current@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 6D13B1A079C0 for ; Mon, 7 Mar 2022 01:01:47 +0000 (UTC) (envelope-from marklmi@yahoo.com) Received: from sonic308-8.consmr.mail.gq1.yahoo.com (sonic308-8.consmr.mail.gq1.yahoo.com [98.137.68.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KBgCG04n4z4VKV for ; Mon, 7 Mar 2022 01:01:45 +0000 (UTC) (envelope-from marklmi@yahoo.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1646614898; bh=qJXed/5Q88ToOyEdiQZiR5ivJB6/QvkGlux+mxdrBXA=; h=From:Subject:Date:Cc:To:References:From:Subject:Reply-To; b=bziJam2bMUiiuJzuOJjVUoxb63IdUUFMqW5r4Jsc4IUeEW0pTOV0wYNstAu9FrReKbNyswT/NU842nHTJYdHkUfX4z2rDkZb92rFiCrheegCKiJJ4xiZUP7fi08ZV94C/FG7k3NAfZOgVq0mLQGZ2dKiU1MM1opVeMJitZUPmVJtw6NF2FIxscetQzifPy7cM3k8xx+d/uhBdvtcYcVaSe47Z3bWya/7ZbpA/pkqmdaGUuRA2w2Oc2DwIeG1XTUB/ddawxBDKCqMTDOduYXxscv3LFQRDW6T7rRoM4wzZ2qYczu4DlBnTSQqj/ZPD93fryS/thlMBI4KP87YgCcDqA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1646614898; bh=MZL3X/f9pfSnBKp9SEVMo9+WKXeScXT9W4nAr3OGxmI=; h=X-Sonic-MF:From:Subject:Date:To:From:Subject; b=bmL81e5mKR5d2CxJu5EhaEGf50hGApd379WTIsTogeYiAymy1/A817xri+MlWRxQgqm20lfF/zv7YoEvkNIqoDduy9yu1gnXfdkHb5uSgjlhWtcU2PBcE7vQQ8NhVwZGPdXFZGyZvlkKQNoBT1uY+XAVhWECSWa5h11pRk8VhAyz8zPHoCH94NgTyAWQL3jNCAiPi6/1XNubewcCN1gZqPyPhv05Hd4bFm94SfKLlGAtc++wEKD+8cqzP/rGNp2xZ9vTxV8e13z5LQrojcfnJqK29P29555+0LBqn5ztD+t/gklDnoAoSqB2x4PyV3wVZzBaRsVwBGqaKRFE/vq9eQ== X-YMail-OSG: bVTJIrAVM1mfAlMmVvS2GgciBhLvrFvnoyT70TO_VIHFofWVroaPX_M6_Tr1xap nX2XokGJevFTImCbu9n4URvKNF20d4gWuf1QT.4pd4xFD.6c5xKpArFJEMyT0m7nQ0XS0ShcrIBm 7navi8RZ7LVkV8Cm2lJhxYhcCfteratbSe9g8C4lFQ5lk8IDHAqOZKNSSfxUJSKHdLwbt0xyPdqG 9avq94nDWcam1nnaps4yDijswVXkXnn1tJuxtMqbsz4k3Nqdt5pAkL5kcHIuFcey6iRGhROCPdQ3 x_KN3_K7PHpj_VnGCzttjfkMy3Dl8OI8MrUpr1LLrD0TdDM9M255DhG1RIJMtiFn0yGGxXmFRTJ5 sP8bRO2LnJjLsdevTu9NXP66Wjehf6M8W1AN5S1cqipHSA54vUgwSPXPgG3qtkpeJ2fIrCA1FhM6 34vRFoXph5qKxmX4IN4.MM0LbT0MyipthQN8YPDe9jUGj6eYPRadQ12jqRAF_hIKRU4nJsBh7n9V GkJKOkdLd2.X_E5cJTFsn1i1ym5vuYDY9EZ36CaGHxdN5E93Dk2E22K5GiqALqPfQ5HiBga13qwk SyTrQNgsyPtBEtcnTLr2IYVGJmx_NZoYXEUaEYG.g3aweqSNiHXs8QfSMBG_K1RO9Ir_O2e.J9Mp xhfaUg0yEWUsRseUPLCNQIOLHJN9rkDTeIBMthK6QQ01.wCCSSpR0iYkvEh3xB9QQHqOm8V8zvV. 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Well, there is a report of a buildkernel crash after that pair: https://lists.freebsd.org/archives/freebsd-arm/2022-March/001078.html that references additional information at: http://www.zefox.net/~fbsd/rpi3/crashes/20220304/readme and reported: QUOTE The console connection dropped before the crash (unrelated) I didn't get the preamble, all I have is the backtrace and buildkernel log.=20 Here's the backtrace: db> bt Tracing pid 14795 tid 100098 td 0xffffa00017815600 db_trace_self() at db_trace_self db_stack_trace() at db_stack_trace+0x11c db_command() at db_command+0x368 db_command_loop() at db_command_loop+0x54 db_trap() at db_trap+0xf8 kdb_trap() at kdb_trap+0x1cc handle_el1h_sync() at handle_el1h_sync+0x10 --- exception, esr 0xf2000000 kdb_enter() at kdb_enter+0x44 vpanic() at vpanic+0x1b0 panic() at panic+0x44 data_abort() at data_abort+0x2e8 handle_el1h_sync() at handle_el1h_sync+0x10 --- exception, esr 0x96000004 _rm_rlock_debug() at _rm_rlock_debug+0x8c sysctl_root_handler_locked() at sysctl_root_handler_locked+0x140 sysctl_root() at sysctl_root+0x1ac userland_sysctl() at userland_sysctl+0x140 sys___sysctl() at sys___sysctl+0x68 do_el0_sync() at do_el0_sync+0x520 handle_el0_sync() at handle_el0_sync+0x40 --- exception, esr 0x56000000 END QUOTE The above material does reference _rm_rlock_debug . Might be related? The readme reports: main-n253603-0b25cbc79d3: Thu Mar 3 22:48:31 PST 2022 for the system doing the buildkernel. This is after 89ae8eb74e8 . (It also mentions another panic earlier in the week, apparently not reported to the lists at the time.) =3D=3D=3D Mark Millard marklmi at yahoo.com