From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sun, 08 Mar 2009 14:53:59 +0000 (GMT) Received: from mail.lysator.liu.se ([130.236.254.3]:7101 "EHLO mail.lysator.liu.se") by ftp.linux-mips.org with ESMTP id S20808646AbZCHOxz (ORCPT ); Sun, 8 Mar 2009 14:53:55 +0000 Received: from mail.lysator.liu.se (localhost [127.0.0.1]) by mail.lysator.liu.se (Postfix) with ESMTP id B701940055; Sun, 8 Mar 2009 15:53:46 +0100 (CET) Received: from [192.168.10.105] (c-30bde555.035-105-73746f38.cust.bredbandsbolaget.se [85.229.189.48]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mail.lysator.liu.se (Postfix) with ESMTP id 990244004F; Sun, 8 Mar 2009 15:53:46 +0100 (CET) Cc: linux-mips@linux-mips.org Message-Id: From: Markus Gothe To: Nils Faerber In-Reply-To: <49B1510B.8020606@kernelconcepts.de> Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="Apple-Mail-3-518791976" Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Subject: Re: Ingenic JZ4730 - illegal instruction Date: Sun, 8 Mar 2009 15:53:49 +0100 References: <49B1510B.8020606@kernelconcepts.de> X-Pgp-Agent: GPGMail 1.2.0 (v56) X-Mailer: Apple Mail (2.930.3) X-Virus-Scanned: ClamAV using ClamSMTP Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 22040 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: nietzsche@lysator.liu.se Precedence: bulk X-list: linux-mips This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --Apple-Mail-3-518791976 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Well, the Xburst-arch seems to be pretty fucked up beyond all repair. //Markus On 6 Mar 2009, at 17:36, Nils Faerber wrote: > Hello! > I am rather playing than really working on a Ingenic JZ4730 based > device. The JZ4730 is a MIPS32 SOC included in many types of devices, > like media players and thelike but also in small power efficient > subnotebooks (this is the device I am trying to support based on the > Ingebic Linux kernel patch). > > The current kernel patch from Ingenic > > http://www.ingenic.cn/eng/productServ/App/JZ4730/pfCustomPage.aspx > or > ftp://ftp.ingenic.cn/3sw/01linux/02kernel/linux-2.6.24/linux-2.6.24.3-jz-20090218.patch.gz > > for the patch (I used an even older patch to start my board support > but > they basically only added newer CPU types in later patches). > > The support for my board is almost in place but I see from time to > time > failing applications with "illegal instruction" faults. Most shell > applications work pretty fine, especially more complex GUI > applications > seem to fail, like a webbrowser or such. > I also tested this with different GCC and glibc version which makes me > pretty sure that I am seeing a kernel problem here rather than a > userspace problem. > > I am pretty clueless how to debug this. Apropos debig as another hint: > Some application work if I start them in GDB but fail outside. > > Any hint how to start debugging this would be greatly appreciated! > And a > fix would be like a dream ;) > > Many thanks! > > Cheers > nils faerber > > -- > kernel concepts GbR Tel: +49-271-771091-12 > Sieghuetter Hauptweg 48 Fax: +49-271-771091-19 > D-57072 Siegen Mob: +49-176-21024535 > http://www.kernelconcepts.de > --Apple-Mail-3-518791976 content-type: application/pgp-signature; x-mac-type=70674453; name=PGP.sig content-description: This is a digitally signed message part content-disposition: inline; filename=PGP.sig content-transfer-encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (Darwin) iEYEARECAAYFAkmz2/0ACgkQ6I0XmJx2NrwsGgCffg2xSRrF2Efmtt53fBsrG51+ NQ4AnjDzkdqiqqL7OwFJUYAMH6We6mOh =z60D -----END PGP SIGNATURE----- --Apple-Mail-3-518791976--