From nobody Fri Jun 11 07:18:32 2021 X-Original-To: freebsd-arm@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 0BAD47EC675 for ; Fri, 11 Jun 2021 07:18:35 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4G1XJB5zRSz3qbl for ; Fri, 11 Jun 2021 07:18:34 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 217882604E4; Fri, 11 Jun 2021 09:18:33 +0200 (CEST) Subject: Re: Easily reproducible stable/13 kernel crash To: "Herbert J. Skuhra" , freebsd-arm@freebsd.org References: <63c37775-f1f6-def7-1ca2-4ac0460c46e2@shrew.net> <87y2bhuehz.wl-herbert@gojira.at> <87wnr0vq79.wl-herbert@gojira.at> From: Hans Petter Selasky Message-ID: <6d268f28-373e-fd84-9fe8-9e39831760e5@selasky.org> Date: Fri, 11 Jun 2021 09:18:32 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org MIME-Version: 1.0 In-Reply-To: <87wnr0vq79.wl-herbert@gojira.at> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4G1XJB5zRSz3qbl X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On 6/11/21 9:02 AM, Herbert J. Skuhra wrote: > On Fri, 11 Jun 2021 08:00:56 +0200, "Herbert J. Skuhra" wrote: >> >> On Fri, 11 Jun 2021 07:42:27 +0200, Matthew Grooms wrote: >>> >>> Hey all, >>> >>> If I build an up-to-date stable/13 arm64 kernel and type sysctl -a on >>> a rpi4 system, it reboots every time. I've blown away the source and >>> object tree multiple times and still get the same result. >>> >>> FreeBSD generic 13.0-STABLE FreeBSD 13.0-STABLE #1 >>> stable/13-n245932-04c4bd7f7b5: Fri Jun 11 00:09:11 CDT 2021 >>> mgrooms@x.x.x:/var/rpi4/build/usr/src/arm64.aarch64/sys/GENERIC arm64 >>> >>> Has anyone else been testing stable builds recently? I'll try to build >>> a debug kernel and see if I can dig up more info. >> >> I can confirm this issue: Rasperry Pi 2 (armv7), 3 and 4 (both aarch64). >> When booting kernel.old (from May 17th; e0f2b8aaf1ed) 'sysctl -a' >> doesn't crash the system. > > The kernel from the May 27th snapshot (stable/13-n245691-024a9aa7010) > is OK, the one from June 3rd (13-n245852-4775325dd66) isn't. > Do you have the kernel backtrace of the resulting panic? --HPS