From owner-freebsd-arm@FreeBSD.ORG Sat Sep 20 14:09:00 2014 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 89B2099 for ; Sat, 20 Sep 2014 14:09:00 +0000 (UTC) Received: from mail-ie0-x231.google.com (mail-ie0-x231.google.com [IPv6:2607:f8b0:4001:c03::231]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 561EAE75 for ; Sat, 20 Sep 2014 14:09:00 +0000 (UTC) Received: by mail-ie0-f177.google.com with SMTP id x19so5107332ier.22 for ; Sat, 20 Sep 2014 07:08:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=KmkqYpyebBFPP9gLIdPgbvCzELlU98d8G/NArLrxcKY=; b=xrAFSoGzSt3gOhpkqLjdBYcx67r2/WxwHMwsDhitdYA72zgwviA6nXZI/gSUBNGq9q 0Y3vCh6Qcl0FzqJnzCD92Ons5eY69pqGb9bOpQCYqu4xY2+JsLUg1jQTiUR7HggzbYJn ZKl+aiUwWRif9ZO4SvO8wT1XShG1juml7eFlDME+UMoiLm5hypw2SJ0qTq77RyLEbOZq d5ARRX1vWqASAZAuk0Z5BwxYCzXpNYIlyqinJT5sU6VN60UvowiGQe/TQGtj30FiXFNo rUDwdjlm/IBVe5adDKibtfDnW+XyXpFj9xy47PFw2HTej7TajKUzXHa+yoYsyETdGRIm KdNw== MIME-Version: 1.0 X-Received: by 10.50.30.199 with SMTP id u7mr3254818igh.48.1411222139512; Sat, 20 Sep 2014 07:08:59 -0700 (PDT) Received: by 10.64.119.193 with HTTP; Sat, 20 Sep 2014 07:08:59 -0700 (PDT) In-Reply-To: <1886035707.11136.1411219513483.JavaMail.www@wwinf1p20> References: <568188637.10901.1411218668061.JavaMail.www@wwinf1p20> <1886035707.11136.1411219513483.JavaMail.www@wwinf1p20> Date: Sat, 20 Sep 2014 22:08:59 +0800 Message-ID: Subject: Re: kernel debugger on cubietruck From: Ganbold Tsagaankhuu To: Gilles DALMAS 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." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Sep 2014 14:09:00 -0000 On Sat, Sep 20, 2014 at 9:25 PM, Gilles DALMAS wrote: > 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 =3D 0xc04eba6c lr =3D 0xc0232780 (db_hex2dec+0x4d8) > sp =3D 0xc08e5750 fp =3D 0xc08e5768 > r10 =3D 0xc08ba1c4 > db_hex2dec() at db_hex2dec+0x4d8 > pc =3D 0xc0232780 lr =3D 0xc02320f0 (db_command_loop+0x2fc) > sp =3D 0xc08e5770 fp =3D 0xc08e5810 > r4 =3D 0x00000000 r5 =3D 0x00000000 > r6 =3D 0x00000063 > db_command_loop() at db_command_loop+0x2fc > pc =3D 0xc02320f0 lr =3D 0xc0231e54 (db_command_loop+0x60) > sp =3D 0xc08e5818 fp =3D 0xc08e5828 > r4 =3D 0xc0528609 r5 =3D 0xc0540c1c > r6 =3D 0xc08ba1b0 r7 =3D 0xc08e5a48 > r8 =3D 0x00000001 r9 =3D 0xc05d2918 > r10 =3D 0xc0615aa4 > db_command_loop() at db_command_loop+0x60 > pc =3D 0xc0231e54 lr =3D 0xc023481c (X_db_symbol_values+0x250) > sp =3D 0xc08e5830 fp =3D 0xc08e5950 > r4 =3D 0x00000000 r5 =3D 0xc08ba1bc > r6 =3D 0xc0615ac8 > X_db_symbol_values() at X_db_symbol_values+0x250 > pc =3D 0xc023481c lr =3D 0xc0352c88 (kdb_trap+0x15c) > sp =3D 0xc08e5958 fp =3D 0xc08e5978 > r4 =3D 0x00000000 r5 =3D 0x00000005 > r6 =3D 0xc0615ac8 r7 =3D 0xc08e5a48 > kdb_trap() at kdb_trap+0x15c > pc =3D 0xc0352c88 lr =3D 0xc050138c (data_abort_handler+0x680) > sp =3D 0xc08e5980 fp =3D 0xc08e5998 > r4 =3D 0xc08e5a48 r5 =3D 0x00000005 > r6 =3D 0x600001d3 r7 =3D 0x00000000 > r8 =3D 0x00000013 r9 =3D 0xc08e5a48 > r10 =3D 0x00000001 > data_abort_handler() at data_abort_handler+0x680 > pc =3D 0xc050138c lr =3D 0xc0501134 (data_abort_handler+0x428) > sp =3D 0xc08e59a0 fp =3D 0xc08e5a40 > r4 =3D 0xc08e5eb0 r5 =3D 0xc08ba870 > r6 =3D 0xc08ba548 r7 =3D 0x00000005 > data_abort_handler() at data_abort_handler+0x428 > pc =3D 0xc0501134 lr =3D 0xc04ed754 (exception_exit) > sp =3D 0xc08e5a48 fp =3D 0xc08e5ab0 > r4 =3D 0xc3b49f00 r5 =3D 0xc3b4a080 > r6 =3D 0xc3b4a0b8 r7 =3D 0x00000000 > r8 =3D 0xc056b038 r9 =3D 0xc3ae1700 > r10 =3D 0xc05d4930 > exception_exit() at exception_exit > pc =3D 0xc04ed754 lr =3D 0xc024e0f0 (mii_phy_flowstatus+0x2080) > sp =3D 0xc08e5a98 fp =3D 0xc08e5ab0 > r0 =3D 0x00000000 r1 =3D 0xc0547c85 > r2 =3D 0x00000072 r3 =3D 0x00000008 > r4 =3D 0xc3b49f00 r5 =3D 0xc3b4a080 > r6 =3D 0xc3b4a0b8 r7 =3D 0x00000000 > r8 =3D 0xc056b038 r9 =3D 0xc3ae1700 > r10 =3D 0xc05d4930 r12 =3D 0x00000000 > strcmp() at strcmp+0x4 > pc =3D 0xc03d7604 lr =3D 0xc024e0f0 (mii_phy_flowstatus+0x2080) > sp =3D 0xc08e5a98 fp =3D 0xc08e5ab0 > Unwind failure (no registers changed) > Please try without emac driver. MII in Cubietruck could be different. Ganbold > > > > > > > Message du 20/09/14 15:13 > > De : "Boris Astardzhiev" > > A : "Gilles DALMAS" > > Copie =C3=A0 : 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=3D00000005, FAR=3D00000000, spsr=3Da00001d3 > > r0 =3D00000000, r1 =3Dc0547c85, r2 =3D00000072, r3 =3D00000008 > > r4 =3Dc3b49f00, r5 =3Dc3b4a080, r6 =3Dc3b4a0b8, r7 =3D00000000 > > r8 =3Dc056b038, r9 =3Dc3ae1700, r10=3Dc05d4930, r11=3Dc08e5ab0 > > r12=3D00000000, ssp=3Dc08e5a98, slr=3Dc024e0f0, pc =3Dc03d7604 > > > > [ 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" > > _______________________________________________ > 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" >