Date: Sat, 20 Sep 2014 15:14:06 +0200 (CEST) From: Gilles DALMAS <gdalmas@wanadoo.fr> To: freebsd-arm@freebsd.org Subject: re: kernel debugger on cubietruck Message-ID: <689666083.10970.1411218847015.JavaMail.www@wwinf1p20> In-Reply-To: <568188637.10901.1411218668061.JavaMail.www@wwinf1p20>
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the complete sequence : sun7i#fatload mmc 0 0x40200000 kernel; go 0x40200100 reading kernel 5059739 bytes read in 223 ms (21.6 MiB/s) ## Starting application at 0x40200100 ... KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2014 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 11.0-CURRENT #0 r271768: Thu Sep 18 16:06:02 CEST 2014 root@CTBSD:/usr/obj/arm.armv6/usr/home/gilles/FBSD/sys/CUBIEBOARD2 arm FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 WARNING: WITNESS option enabled, expect reduced performance. CPU: Cortex A7 rev 4 (Cortex-A core) Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext WB disabled EABT branch prediction enabled LoUU:2 LoC:2 LoUIS:2 Cache level 1: 32KB/64B 4-way data cache WB Read-Alloc Write-Alloc 32KB/32B 2-way instruction cache Read-Alloc Cache level 2: 256KB/64B 8-way unified cache WB Read-Alloc Write-Alloc real memory = 1073741824 (1024 MB) avail memory = 1040261120 (992 MB) FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs random device not loaded; using insecure entropy random: initialized ofwbus0: simplebus0: on ofwbus0 gic0: mem 0x1c81000-0x1c81fff,0x1c82000-0x1c820ff on simplebus0 gic0: pn 0x10, arch 0x2, rev 0x1, implementer 0x43b sc->nirqs 160 a10_sramc0: mem 0x1c00000-0x1c00fff on simplebus0 a20_cpu_cfg0: mem 0x1c25c00-0x1c25fff on simplebus0 a10_ccm0: mem 0x1c20000-0x1c203ff on simplebus0 a10_timer0: mem 0x1c20c00-0x1c20c8f irq 54 on simplebus0 Event timer "a10_timer Eventtimer" frequency 24000000 Hz quality 1000 Timecounter "a10_timer timer0" frequency 24000000 Hz quality 1000 a10wd0: mem 0x1c20c90-0x1c20c9f on simplebus0 gpio0: mem 0x1c20800-0x1c20bff irq 60 on simplebus0 gpioc0: on gpio0 gpiobus0: on gpio0 ehci0: mem 0x1c14000-0x1c14fff irq 71 on simplebus0 usbus0: EHCI version 1.0 usbus0 on ehci0 ehci1: mem 0x1c1c000-0x1c1cfff irq 72 on simplebus0 usbus1: EHCI version 1.0 usbus1 on ehci1 uart0: <16750 or compatible> mem 0x1c28000-0x1c283ff irq 33 on simplebus0 uart0: console (115200,n,8,1) emac0: mem 0x1c0b000-0x1c0bfff irq 87 on simplebus0 miibus0: on emac0 rgephy0: PHY 0 on miibus0 vm_fault(0xc08bab80, 0, 1, 0) -> 1 Fatal kernel mode data abort: 'Translation Fault (S)' trapframe: 0xc08e5a48 FSR=00000005, FAR=00000000, spsr=a00001d3 r0 =00000000, r1 =c0547c85, r2 =00000072, r3 =00000008 r4 =c3b49f00, r5 =c3b4a080, r6 =c3b4a0b8, r7 =00000000 r8 =c056b038, r9 =c3ae1700, r10=c05d4930, r11=c08e5ab0 r12=00000000, ssp=c08e5a98, slr=c024e0f0, pc =c03d7604 [ thread pid 0 tid 100000 ] Stopped at strcmp+0x4: ldrb r3, [r0] > Message du 20/09/14 15:11 > De : "Gilles DALMAS" > A : freebsd-arm@freebsd.org > Copie à : > Objet : kernel debugger on cubietruck > > hi, I would compile freebsd for it run on a cubietruck. For this I used the wiki page: https://wiki.freebsd.org/FreeBSD/arm/Cubieboard using option confifuration "CUBIEBOARD2." everything goes well, but starting on the "truck", I get this message: vm_fault(0xc08bab80, 0, 1, 0) -> 1 Fatal kernel mode data abort: 'Translation Fault (S)' trapframe: 0xc08e5a48 FSR=00000005, FAR=00000000, spsr=a00001d3 r0 =00000000, r1 =c0547c85, r2 =00000072, r3 =00000008 r4 =c3b49f00, r5 =c3b4a080, r6 =c3b4a0b8, r7 =00000000 r8 =c056b038, r9 =c3ae1700, r10=c05d4930, r11=c08e5ab0 r12=00000000, ssp=c08e5a98, slr=c024e0f0, pc =c03d7604 [ thread pid 0 tid 100000 ] Stopped at strcmp+0x4: ldrb r3, [r0] where is the problem please ? _______________________________________________ freebsd-arm@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-arm To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" From owner-freebsd-arm@FreeBSD.ORG Sat Sep 20 13:32:53 2014 Return-Path: <owner-freebsd-arm@FreeBSD.ORG> Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6A704622 for <freebsd-arm@freebsd.org>; Sat, 20 Sep 2014 13:32:53 +0000 (UTC) Received: from smtp.smtpout.orange.fr (smtp05.smtpout.orange.fr [80.12.242.127]) by mx1.freebsd.org (Postfix) with ESMTP id A221DBA4 for <freebsd-arm@freebsd.org>; Sat, 20 Sep 2014 13:32:51 +0000 (UTC) Received: from wwinf1p20 ([10.223.75.44]) by mwinf5d28 with ME id tRRD1o0070xLc3N03RRDK6; Sat, 20 Sep 2014 15:25:13 +0200 X-ME-Helo: wwinf1p20 X-ME-Auth: Z2RhbG1hc0B3YW5hZG9vLmZy X-ME-Date: Sat, 20 Sep 2014 15:25:13 +0200 X-ME-IP: 109.212.165.91 Date: Sat, 20 Sep 2014 15:25:13 +0200 (CEST) From: Gilles DALMAS <gdalmas@wanadoo.fr> Reply-To: Gilles DALMAS <gdalmas@wanadoo.fr> To: Boris Astardzhiev <boris.astardzhiev@gmail.com> Message-ID: <1886035707.11136.1411219513483.JavaMail.www@wwinf1p20> In-Reply-To: <CAP=KkTwhRpJRW8jTLCjYRf55RLc-xSi+FCEBd5WHpU0hn-bUmQ@mail.gmail.com> References: <568188637.10901.1411218668061.JavaMail.www@wwinf1p20> <CAP=KkTwhRpJRW8jTLCjYRf55RLc-xSi+FCEBd5WHpU0hn-bUmQ@mail.gmail.com> Subject: Re: kernel debugger on cubietruck MIME-Version: 1.0 X-Originating-IP: [109.212.165.91] X-WUM-FROM: |~| X-WUM-TO: |~| X-WUM-CC: |~| X-WUM-REPLYTO: |~| Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: freebsd-arm@freebsd.org X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." <freebsd-arm.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-arm>, <mailto:freebsd-arm-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arm/>; List-Post: <mailto:freebsd-arm@freebsd.org> List-Help: <mailto:freebsd-arm-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arm>, <mailto:freebsd-arm-request@freebsd.org?subject=subscribe> X-List-Received-Date: Sat, 20 Sep 2014 13:32:53 -0000 I did not know much about debug kernel, but when I pass the trace command, I get: db> trace Tracing pid 0 tid 100000 td 0xc08ba870 db_trace_self() at db_trace_self pc = 0xc04eba6c lr = 0xc0232780 (db_hex2dec+0x4d8) sp = 0xc08e5750 fp = 0xc08e5768 r10 = 0xc08ba1c4 db_hex2dec() at db_hex2dec+0x4d8 pc = 0xc0232780 lr = 0xc02320f0 (db_command_loop+0x2fc) sp = 0xc08e5770 fp = 0xc08e5810 r4 = 0x00000000 r5 = 0x00000000 r6 = 0x00000063 db_command_loop() at db_command_loop+0x2fc pc = 0xc02320f0 lr = 0xc0231e54 (db_command_loop+0x60) sp = 0xc08e5818 fp = 0xc08e5828 r4 = 0xc0528609 r5 = 0xc0540c1c r6 = 0xc08ba1b0 r7 = 0xc08e5a48 r8 = 0x00000001 r9 = 0xc05d2918 r10 = 0xc0615aa4 db_command_loop() at db_command_loop+0x60 pc = 0xc0231e54 lr = 0xc023481c (X_db_symbol_values+0x250) sp = 0xc08e5830 fp = 0xc08e5950 r4 = 0x00000000 r5 = 0xc08ba1bc r6 = 0xc0615ac8 X_db_symbol_values() at X_db_symbol_values+0x250 pc = 0xc023481c lr = 0xc0352c88 (kdb_trap+0x15c) sp = 0xc08e5958 fp = 0xc08e5978 r4 = 0x00000000 r5 = 0x00000005 r6 = 0xc0615ac8 r7 = 0xc08e5a48 kdb_trap() at kdb_trap+0x15c pc = 0xc0352c88 lr = 0xc050138c (data_abort_handler+0x680) sp = 0xc08e5980 fp = 0xc08e5998 r4 = 0xc08e5a48 r5 = 0x00000005 r6 = 0x600001d3 r7 = 0x00000000 r8 = 0x00000013 r9 = 0xc08e5a48 r10 = 0x00000001 data_abort_handler() at data_abort_handler+0x680 pc = 0xc050138c lr = 0xc0501134 (data_abort_handler+0x428) sp = 0xc08e59a0 fp = 0xc08e5a40 r4 = 0xc08e5eb0 r5 = 0xc08ba870 r6 = 0xc08ba548 r7 = 0x00000005 data_abort_handler() at data_abort_handler+0x428 pc = 0xc0501134 lr = 0xc04ed754 (exception_exit) sp = 0xc08e5a48 fp = 0xc08e5ab0 r4 = 0xc3b49f00 r5 = 0xc3b4a080 r6 = 0xc3b4a0b8 r7 = 0x00000000 r8 = 0xc056b038 r9 = 0xc3ae1700 r10 = 0xc05d4930 exception_exit() at exception_exit pc = 0xc04ed754 lr = 0xc024e0f0 (mii_phy_flowstatus+0x2080) sp = 0xc08e5a98 fp = 0xc08e5ab0 r0 = 0x00000000 r1 = 0xc0547c85 r2 = 0x00000072 r3 = 0x00000008 r4 = 0xc3b49f00 r5 = 0xc3b4a080 r6 = 0xc3b4a0b8 r7 = 0x00000000 r8 = 0xc056b038 r9 = 0xc3ae1700 r10 = 0xc05d4930 r12 = 0x00000000 strcmp() at strcmp+0x4 pc = 0xc03d7604 lr = 0xc024e0f0 (mii_phy_flowstatus+0x2080) sp = 0xc08e5a98 fp = 0xc08e5ab0 Unwind failure (no registers changed) > Message du 20/09/14 15:13 > De : "Boris Astardzhiev" > A : "Gilles DALMAS" > Copie à : freebsd-arm@freebsd.org > Objet : Re: kernel debugger on cubietruck > > > Hi, > As far as I see strcmp() is passed a NULL pointer, try issuing a backtrace to get the exact place of calling. > Regards On Sep 20, 2014 4:11 PM, "Gilles DALMAS" wrote: hi, > > > > I would compile freebsd for it run on a cubietruck. For this I used the wiki page: https://wiki.freebsd.org/FreeBSD/arm/Cubieboard using option confifuration "CUBIEBOARD2." everything goes well, but starting on the "truck", I get this message: > > > > vm_fault(0xc08bab80, 0, 1, 0) -> 1 > Fatal kernel mode data abort: 'Translation Fault (S)' > trapframe: 0xc08e5a48 > FSR=00000005, FAR=00000000, spsr=a00001d3 > r0 =00000000, r1 =c0547c85, r2 =00000072, r3 =00000008 > r4 =c3b49f00, r5 =c3b4a080, r6 =c3b4a0b8, r7 =00000000 > r8 =c056b038, r9 =c3ae1700, r10=c05d4930, r11=c08e5ab0 > r12=00000000, ssp=c08e5a98, slr=c024e0f0, pc =c03d7604 > > [ thread pid 0 tid 100000 ] > Stopped at strcmp+0x4: ldrb r3, [r0] > > > > where is the problem please ? > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"help
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