From owner-freebsd-arm@freebsd.org Thu Jan 23 16:44:15 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 3B93F1F7150 for ; Thu, 23 Jan 2020 16:44:15 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (www.zefox.net [50.1.20.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "www.zefox.org", Issuer "www.zefox.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 483Slx5vfjz3MN1 for ; Thu, 23 Jan 2020 16:44:13 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (localhost [127.0.0.1]) by www.zefox.net (8.15.2/8.15.2) with ESMTPS id 00NGiKg9081856 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 23 Jan 2020 08:44:20 -0800 (PST) (envelope-from fbsd@www.zefox.net) Received: (from fbsd@localhost) by www.zefox.net (8.15.2/8.15.2/Submit) id 00NGiJra081855; Thu, 23 Jan 2020 08:44:19 -0800 (PST) (envelope-from fbsd) Date: Thu, 23 Jan 2020 08:44:19 -0800 From: bob prohaska To: freebsd-arm@freebsd.org Subject: panic: deadlres_td_sleep_q: possible deadlock detected on RPI3 Message-ID: <20200123164419.GA81833@www.zefox.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Rspamd-Queue-Id: 483Slx5vfjz3MN1 X-Spamd-Bar: ++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of fbsd@www.zefox.net has no SPF policy when checking 50.1.20.27) smtp.mailfrom=fbsd@www.zefox.net X-Spamd-Result: default: False [2.66 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.21)[-0.209,0]; WWW_DOT_DOMAIN(0.50)[]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; IP_SCORE(0.06)[ip: (0.27), ipnet: 50.1.16.0/20(0.14), asn: 7065(-0.04), country: US(-0.05)]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[zefox.net]; AUTH_NA(1.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(0.91)[0.909,0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:7065, ipnet:50.1.16.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; MID_RHS_WWW(0.50)[]; RCVD_COUNT_TWO(0.00)[2] 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: Thu, 23 Jan 2020 16:44:15 -0000 My Pi3 running -current r356835 reported: panic: deadlres_td_sleep_q: possible deadlock detected for 0xfffffd0000eff000, blocked for 1800305 ticks cpuid = 0 time = 1579775738 KDB: stack backtrace: db_trace_self() at db_trace_self_wrapper+0x28 pc = 0xffff0000007392dc lr = 0xffff000000106814 sp = 0xffff0000520ce580 fp = 0xffff0000520ce790 db_trace_self_wrapper() at vpanic+0x194 pc = 0xffff000000106814 lr = 0xffff00000040968c sp = 0xffff0000520ce7a0 fp = 0xffff0000520ce850 vpanic() at panic+0x44 pc = 0xffff00000040968c lr = 0xffff000000409434 sp = 0xffff0000520ce860 fp = 0xffff0000520ce8e0 panic() at deadlkres+0x2f8 pc = 0xffff000000409434 lr = 0xffff0000003a480c sp = 0xffff0000520ce8f0 fp = 0xffff0000520ce940 deadlkres() at fork_exit+0x7c pc = 0xffff0000003a480c lr = 0xffff0000003c8a0c sp = 0xffff0000520ce950 fp = 0xffff0000520ce980 fork_exit() at fork_trampoline+0x10 pc = 0xffff0000003c8a0c lr = 0xffff000000755b3c sp = 0xffff0000520ce990 fp = 0x0000000000000000 KDB: enter: panic [ thread pid 0 tid 100052 ] Stopped at 0 db> db> bt Tracing pid 0 tid 100052 td 0xfffffd0000ce8560 db_trace_self() at db_stack_trace+0xf8 pc = 0xffff0000007392dc lr = 0xffff000000103c58 sp = 0xffff0000520ce150 fp = 0xffff0000520ce180 db_stack_trace() at db_command+0x228 pc = 0xffff000000103c58 lr = 0xffff0000001038d0 sp = 0xffff0000520ce190 fp = 0xffff0000520ce270 db_command() at db_command_loop+0x58 pc = 0xffff0000001038d0 lr = 0xffff000000103678 sp = 0xffff0000520ce280 fp = 0xffff0000520ce2a0 db_command_loop() at db_trap+0xf4 pc = 0xffff000000103678 lr = 0xffff00000010697c sp = 0xffff0000520ce2b0 fp = 0xffff0000520ce4d0 db_trap() at kdb_trap+0x1d8 pc = 0xffff00000010697c lr = 0xffff000000450af8 sp = 0xffff0000520ce4e0 fp = 0xffff0000520ce590 kdb_trap() at do_el1h_sync+0xf4 pc = 0xffff000000450af8 lr = 0xffff000000755db8 sp = 0xffff0000520ce5a0 fp = 0xffff0000520ce5d0 do_el1h_sync() at handle_el1h_sync+0x78 pc = 0xffff000000755db8 lr = 0xffff00000073b878 sp = 0xffff0000520ce5e0 fp = 0xffff0000520ce6f0 handle_el1h_sync() at kdb_enter+0x34 pc = 0xffff00000073b878 lr = 0xffff000000450144 sp = 0xffff0000520ce700 fp = 0xffff0000520ce790 kdb_enter() at vpanic+0x1b0 pc = 0xffff000000450144 lr = 0xffff0000004096a8 sp = 0xffff0000520ce7a0 fp = 0xffff0000520ce850 vpanic() at panic+0x44 pc = 0xffff0000004096a8 lr = 0xffff000000409434 sp = 0xffff0000520ce860 fp = 0xffff0000520ce8e0 panic() at deadlkres+0x2f8 pc = 0xffff000000409434 lr = 0xffff0000003a480c sp = 0xffff0000520ce8f0 fp = 0xffff0000520ce940 deadlkres() at fork_exit+0x7c pc = 0xffff0000003a480c lr = 0xffff0000003c8a0c sp = 0xffff0000520ce950 fp = 0xffff0000520ce980 fork_exit() at fork_trampoline+0x10 pc = 0xffff0000003c8a0c lr = 0xffff000000755b3c sp = 0xffff0000520ce990 fp = 0x0000000000000000 db> For now I'll reboot the old kernel, update sources and start over. Thanks for reading, bob prohaska