From owner-freebsd-hackers@freebsd.org Thu Apr 27 23:22:38 2017 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 979A2D53D05 for ; Thu, 27 Apr 2017 23:22:38 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: from asp.reflexion.net (outbound-mail-210-50.reflexion.net [208.70.210.50]) (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 48980D43 for ; Thu, 27 Apr 2017 23:22:37 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 24491 invoked from network); 27 Apr 2017 23:25:48 -0000 Received: from unknown (HELO rtc-sm-01.app.dca.reflexion.local) (10.81.150.1) by 0 (rfx-qmail) with SMTP; 27 Apr 2017 23:25:48 -0000 Received: by rtc-sm-01.app.dca.reflexion.local (Reflexion email security v8.40.0) with SMTP; Thu, 27 Apr 2017 19:22:36 -0400 (EDT) Received: (qmail 20935 invoked from network); 27 Apr 2017 23:22:35 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 27 Apr 2017 23:22:35 -0000 Received: from [192.168.1.106] (c-76-115-7-162.hsd1.or.comcast.net [76.115.7.162]) by iron2.pdx.net (Postfix) with ESMTPSA id 2B1BAEC904C; Thu, 27 Apr 2017 16:22:35 -0700 (PDT) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: FYI: example "panic: ARM64TODO: reclaim_pv_chunk" on a Pine64+ 2GB with head -r317015 Message-Id: <4BC7E6BC-4BF9-4F5E-9851-E022AC9A3082@dsl-only.net> Date: Thu, 27 Apr 2017 16:22:34 -0700 To: freebsd-arm , freebsd-hackers@freebsd.org, FreeBSD Current X-Mailer: Apple Mail (2.3273) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Apr 2017 23:22:38 -0000 Unfortunately for this FYI the attempt to produce a dump failed and so all the information that I have is what I first captured from the console output: a backtrace. The context was head -r317015 on a Pine64+ 2GB. At the time I was experimenting with trying to build a vm.raw from my own build of FreeBSD. The (root) file system is on a USB SSD off of a powered USB hub. panic: ARM64TODO: reclaim_pv_chunk cpuid = 1 time = 1493332968 KDB: stack backtrace: db_trace_self() at db_trace_self_wrapper+0x28 pc = 0xffff000000605cc0 lr = 0xffff0000000869cc sp = 0xffff000083ba4f00 fp = 0xffff000083ba5110 db_trace_self_wrapper() at vpanic+0x164 pc = 0xffff0000000869cc lr = 0xffff00000031d464 sp = 0xffff000083ba5120 fp = 0xffff000083ba5190 vpanic() at panic+0x4c pc = 0xffff00000031d464 lr = 0xffff00000031d2fc sp = 0xffff000083ba51a0 fp = 0xffff000083ba5220 panic() at reclaim_pv_chunk+0x10 pc = 0xffff00000031d2fc lr = 0xffff00000061a234 sp = 0xffff000083ba5230 fp = 0xffff000083ba5230 reclaim_pv_chunk() at get_pv_entry+0x240 pc = 0xffff00000061a234 lr = 0xffff000000616184 sp = 0xffff000083ba5240 fp = 0xffff000083ba5260 get_pv_entry() at pmap_enter+0x694 pc = 0xffff000000616184 lr = 0xffff0000006156a0 sp = 0xffff000083ba5270 fp = 0xffff000083ba5300 pmap_enter() at vm_fault_hold+0x28c pc = 0xffff0000006156a0 lr = 0xffff0000005b9740 sp = 0xffff000083ba5310 fp = 0xffff000083ba5460 vm_fault_hold() at vm_fault+0x70 pc = 0xffff0000005b9740 lr = 0xffff0000005b9464 sp = 0xffff000083ba5470 fp = 0xffff000083ba54a0 vm_fault() at data_abort+0xe0 pc = 0xffff0000005b9464 lr = 0xffff00000061ad94 sp = 0xffff000083ba54b0 fp = 0xffff000083ba5560 data_abort() at handle_el1h_sync+0x70 pc = 0xffff00000061ad94 lr = 0xffff000000607870 sp = 0xffff000083ba5570 fp = 0xffff000083ba5680 handle_el1h_sync() at kern_select+0x9fc pc = 0xffff000000607870 lr = 0xffff00000037db3c sp = 0xffff000083ba5690 fp = 0xffff000083ba58f0 kern_select() at sys_select+0x5c pc = 0xffff00000037db3c lr = 0xffff00000037dc58 sp = 0xffff000083ba5900 fp = 0xffff000083ba5930 sys_select() at do_el0_sync+0xa48 pc = 0xffff00000037dc58 lr = 0xffff00000061b91c sp = 0xffff000083ba5940 fp = 0xffff000083ba5a70 do_el0_sync() at handle_el0_sync+0x6c pc = 0xffff00000061b91c lr = 0xffff0000006079e8 sp = 0xffff000083ba5a80 fp = 0xffff000083ba5b90 handle_el0_sync() at 0x4948c pc = 0xffff0000006079e8 lr = 0x000000000004948c sp = 0xffff000083ba5ba0 fp = 0x0000ffffffffd960 === Mark Millard markmi at dsl-only.net