From owner-freebsd-arm@freebsd.org Fri Nov 15 02:07:43 2019 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 2D9941B9239 for ; Fri, 15 Nov 2019 02:07:43 +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 47DhZP4zj4z47yh; Fri, 15 Nov 2019 02:07:41 +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 xAF27eUr076665 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 14 Nov 2019 18:07:41 -0800 (PST) (envelope-from fbsd@www.zefox.net) Received: (from fbsd@localhost) by www.zefox.net (8.15.2/8.15.2/Submit) id xAF27edv076664; Thu, 14 Nov 2019 18:07:40 -0800 (PST) (envelope-from fbsd) Date: Thu, 14 Nov 2019 18:07:39 -0800 From: bob prohaska To: Ed Maste Cc: Mark Millard , "freebsd-arm@freebsd.org" , bob prohaska Subject: Re: What is an invalid ASID ? Message-ID: <20191115020739.GA76610@www.zefox.net> References: <20191111160303.GA61731@www.zefox.net> <7D522F39-7CCB-4678-BE12-506CE8122AC2@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Rspamd-Queue-Id: 47DhZP4zj4z47yh 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 [3.10 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; WWW_DOT_DOMAIN(0.50)[]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; TO_DN_SOME(0.00)[]; IP_SCORE(0.08)[ip: (0.32), ipnet: 50.1.16.0/20(0.16), asn: 7065(-0.04), country: US(-0.05)]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[zefox.net]; RCVD_COUNT_TWO(0.00)[2]; NEURAL_SPAM_MEDIUM(0.06)[0.063,0]; AUTH_NA(1.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(0.06)[0.059,0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:7065, ipnet:50.1.16.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; MID_RHS_WWW(0.50)[]; FREEMAIL_CC(0.00)[yahoo.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, 15 Nov 2019 02:07:43 -0000 On Thu, Nov 14, 2019 at 06:40:55AM -0500, Ed Maste wrote: > On Mon, 11 Nov 2019 at 14:47, Mark Millard via freebsd-arm > wrote: > > > > Address Space ID (ASID) > > Yes this is the correct acronym; ASID support was just added to > FreeBSD/arm64 on Nov 3 (r354286). I tried it on an eMAG system before > and after commit with both buildworlds and full (33k queued package) > poudriere runs and saw no issue. > > > It looks like a backtrace from such a panic might be of interest to the > > folks dealing with such areas. > > Yes indeed. Ok, here we go 8-( This is on 13.0-CURRENT (GENERIC) #11 r354632 compiling r354667 with no alterations. panic: invalid ASID cpuid = 1 time = 1573782085 KDB: stack backtrace: db_trace_self() at db_trace_self_wrapper+0x28 pc = 0xffff0000007289bc lr = 0xffff000000103df4 sp = 0xffff00005191d0e0 fp = 0xffff00005191d2f0 db_trace_self_wrapper() at vpanic+0x18c pc = 0xffff000000103df4 lr = 0xffff0000003fe430 sp = 0xffff00005191d300 fp = 0xffff00005191d3b0 vpanic() at panic+0x44 pc = 0xffff0000003fe430 lr = 0xffff0000003fe1e0 sp = 0xffff00005191d3c0 fp = 0xffff00005191d440 panic() at pmap_remove_all+0x70c pc = 0xffff0000003fe1e0 lr = 0xffff00000073ad24 sp = 0xffff00005191d450 fp = 0xffff00005191d4c0 pmap_remove_all() at vm_page_try_remove_all+0x80 pc = 0xffff00000073ad24 lr = 0xffff0000006df7f4 sp = 0xffff00005191d4d0 fp = 0xffff00005191d4f0 vm_page_try_remove_all() at vm_pageout_worker+0x93c pc = 0xffff0000006df7f4 lr = 0xffff0000006e3728 sp = 0xffff00005191d500 fp = 0xffff00005191d8d0 vm_pageout_worker() at vm_pageout+0x1b0 pc = 0xffff0000006e3728 lr = 0xffff0000006e2dd8 sp = 0xffff00005191d8e0 fp = 0xffff00005191d940 vm_pageout() at fork_exit+0x7c pc = 0xffff0000006e2dd8 lr = 0xffff0000003be784 sp = 0xffff00005191d950 fp = 0xffff00005191d980 fork_exit() at fork_trampoline+0x10 pc = 0xffff0000003be784 lr = 0xffff000000744b0c sp = 0xffff00005191d990 fp = 0x0000000000000000 KDB: enter: panic [ thread pid 21 tid 100066 ] Stopped at 0 db> bt Tracing pid 21 tid 100066 td 0xfffffd0000d85560 db_trace_self() at db_stack_trace+0xf8 pc = 0xffff0000007289bc lr = 0xffff000000101238 sp = 0xffff00005191ccb0 fp = 0xffff00005191cce0 db_stack_trace() at db_command+0x228 pc = 0xffff000000101238 lr = 0xffff000000100eb0 sp = 0xffff00005191ccf0 fp = 0xffff00005191cdd0 db_command() at db_command_loop+0x58 pc = 0xffff000000100eb0 lr = 0xffff000000100c58 sp = 0xffff00005191cde0 fp = 0xffff00005191ce00 db_command_loop() at db_trap+0xf4 pc = 0xffff000000100c58 lr = 0xffff000000103f5c sp = 0xffff00005191ce10 fp = 0xffff00005191d030 db_trap() at kdb_trap+0x1d8 pc = 0xffff000000103f5c lr = 0xffff0000004469c8 sp = 0xffff00005191d040 fp = 0xffff00005191d0f0 kdb_trap() at do_el1h_sync+0xf4 pc = 0xffff0000004469c8 lr = 0xffff000000744d80 sp = 0xffff00005191d100 fp = 0xffff00005191d130 do_el1h_sync() at handle_el1h_sync+0x78 pc = 0xffff000000744d80 lr = 0xffff00000072b078 sp = 0xffff00005191d140 fp = 0xffff00005191d250 handle_el1h_sync() at kdb_enter+0x34 pc = 0xffff00000072b078 lr = 0xffff000000446014 sp = 0xffff00005191d260 fp = 0xffff00005191d2f0 kdb_enter() at vpanic+0x1a8 pc = 0xffff000000446014 lr = 0xffff0000003fe44c sp = 0xffff00005191d300 fp = 0xffff00005191d3b0 vpanic() at panic+0x44 pc = 0xffff0000003fe44c lr = 0xffff0000003fe1e0 sp = 0xffff00005191d3c0 fp = 0xffff00005191d440 panic() at pmap_remove_all+0x70c pc = 0xffff0000003fe1e0 lr = 0xffff00000073ad24 sp = 0xffff00005191d450 fp = 0xffff00005191d4c0 pmap_remove_all() at vm_page_try_remove_all+0x80 pc = 0xffff00000073ad24 lr = 0xffff0000006df7f4 sp = 0xffff00005191d4d0 fp = 0xffff00005191d4f0 vm_page_try_remove_all() at vm_pageout_worker+0x93c pc = 0xffff0000006df7f4 lr = 0xffff0000006e3728 sp = 0xffff00005191d500 fp = 0xffff00005191d8d0 vm_pageout_worker() at vm_pageout+0x1b0 pc = 0xffff0000006e3728 lr = 0xffff0000006e2dd8 sp = 0xffff00005191d8e0 fp = 0xffff00005191d940 vm_pageout() at fork_exit+0x7c pc = 0xffff0000006e2dd8 lr = 0xffff0000003be784 sp = 0xffff00005191d950 fp = 0xffff00005191d980 fork_exit() at fork_trampoline+0x10 pc = 0xffff0000003be784 lr = 0xffff000000744b0c sp = 0xffff00005191d990 fp = 0x0000000000000000 db> I don't know enough to do more that type bt at the prompt. Please let me know if better-considered actions exist. Thanks for reading, bob prohaska