From owner-freebsd-arm@freebsd.org Fri Jan 31 12:51:47 2020 Return-Path: Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A5D1E23F741 for ; Fri, 31 Jan 2020 12:51:47 +0000 (UTC) (envelope-from wera0003@hs-karlsruhe.de) Received: from smtp.hs-karlsruhe.de (smtp.HS-Karlsruhe.DE [193.196.64.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 488HD25nYmz4Z8w for ; Fri, 31 Jan 2020 12:51:46 +0000 (UTC) (envelope-from wera0003@hs-karlsruhe.de) Received: from iz-wera-new.hs-karlsruhe.de ([193.196.65.47]) by smtp.hs-karlsruhe.de with esmtps (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.80.1) (envelope-from ) id 1ixVlu-006gZ8-VP; Fri, 31 Jan 2020 13:51:42 +0100 Received: from wera0003 (helo=iz-wera-new.HS-Karlsruhe.DE) by iz-wera-new.HS-Karlsruhe.DE with local-esmtp (Exim 4.92.3 (FreeBSD)) (envelope-from ) id 1ixVlu-0004Qr-2w; Fri, 31 Jan 2020 13:51:42 +0100 X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.6 From: Ralf Wenk To: Mark Millard cc: bob prohaska , freebsd-arm@freebsd.org Subject: Re: panic: deadlres_td_sleep_q: possible deadlock detected on RPI3 In-reply-to: References: <20200123164419.GA81833@www.zefox.net> <20200125153229.GA3768@www.zefox.net> <20200126164211.GB7312@www.zefox.net> <20200130162055.GA21879@www.zefox.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 31 Jan 2020 13:51:42 +0100 Message-Id: X-Rspamd-Queue-Id: 488HD25nYmz4Z8w X-Spamd-Bar: +++++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of wera0003@hs-karlsruhe.de has no SPF policy when checking 193.196.64.25) smtp.mailfrom=wera0003@hs-karlsruhe.de X-Spamd-Result: default: False [5.56 / 15.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[hs-karlsruhe.de]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.81)[0.808,0]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; IP_SCORE(0.09)[asn: 553(0.47), country: EU(-0.01)]; NEURAL_SPAM_LONG(0.96)[0.960,0]; RCVD_IN_DNSWL_NONE(0.00)[25.64.196.193.list.dnswl.org : 127.0.10.0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[iz-rpi03@hs-karlsruhe.de,wera0003@hs-karlsruhe.de]; FREEMAIL_TO(0.00)[yahoo.com]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:553, ipnet:193.196.64.0/18, country:EU]; FROM_NEQ_ENVFROM(0.00)[iz-rpi03@hs-karlsruhe.de,wera0003@hs-karlsruhe.de]; RBL_SENDERSCORE(2.00)[25.64.196.193.bl.score.senderscore.com] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Jan 2020 12:51:47 -0000 On 2020-01-30 at 8:44 -0800 Mark Millard wrote: > On 2020-Jan-30, at 08:20, bob prohaska wrote: > [...] > > My Pi3 still panics at r357204, but ntp seems to work fine. > > Does kldstat show mac_ntpd as loaded? > > On 4 arm systems here, 2 boot loading mac_ntpd, > 2 boot without loading mac_ntpd, and ntp works > for all. But this is head -r356426 . > > So checking more specifically for if mac_ntpd > was loaded is apparently needed. > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243464 > is not explicit of other kernel modules load okay > when no attempt is made for mac_ntpd. (If nothing > loads automatically, it might require manually > loading something to find out.) Meanwhile I have tested what happens when additional kernel modules are loaded and extended the bug report accordingly. In short: The system did not freeze. Ralf