From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hermes.mlbassoc.com ([64.234.241.98] helo=mail.chez-thomas.org) by linuxtogo.org with esmtp (Exim 4.72) (envelope-from ) id 1QK7DD-0008DP-B4 for openembedded-core@lists.openembedded.org; Wed, 11 May 2011 13:04:15 +0200 Received: by mail.chez-thomas.org (Postfix, from userid 999) id 440C7166037F; Wed, 11 May 2011 05:01:29 -0600 (MDT) X-Spam-Checker-Version: SpamAssassin 3.3.2-r929478 (2010-03-31) on hermes.chez-thomas.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=4.0 tests=ALL_TRUSTED,BAYES_00 autolearn=unavailable version=3.3.2-r929478 Received: from [127.0.0.1] (localhost.localdomain [127.0.0.1]) by mail.chez-thomas.org (Postfix) with ESMTP id 5E79A166023D; Wed, 11 May 2011 05:00:48 -0600 (MDT) Message-ID: <4DCA6C60.6050203@mlbassoc.com> Date: Wed, 11 May 2011 05:00:48 -0600 From: Gary Thomas User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc13 Thunderbird/3.1.7 MIME-Version: 1.0 To: "Kamble, Nitin A" References: <4DB99F31.4000308@mlbassoc.com> <4DBEAA2C.1020601@mlbassoc.com> <9DA5872FEF993D41B7173F58FCF6BE94D88F0101@orsmsx504.amr.corp.intel.com> In-Reply-To: <9DA5872FEF993D41B7173F58FCF6BE94D88F0101@orsmsx504.amr.corp.intel.com> Cc: Poky Project , Patches and discussions about the oe-core layer Subject: Re: [poky] GCC 4.6.0 on ARM? X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: Patches and discussions about the oe-core layer List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 May 2011 11:04:15 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 05/10/2011 09:28 PM, Kamble, Nitin A wrote: > > >> -----Original Message----- >> From: poky-bounces@yoctoproject.org [mailto:poky- >> bounces@yoctoproject.org] On Behalf Of Gary Thomas >> Sent: Monday, May 02, 2011 5:57 AM >> To: Khem Raj >> Cc: Poky Project; Patches and discussions about the oe-core layer >> Subject: Re: [poky] GCC 4.6.0 on ARM? >> >> On 04/30/2011 04:10 PM, Khem Raj wrote: >>> On Thu, Apr 28, 2011 at 11:23 AM, Khem Raj >> wrote: >>>> On Thu, Apr 28, 2011 at 10:09 AM, Gary Thomas >> wrote: >>>>> I got my OMAP target to build with GCC-4.6.0 using the latest >>>>> Poky tree after a fresh rebuild. Sadly, the Linux kernel >> (2.6.37.3) >>>>> does not run correctly when built with this compiler. It >>>>> fails when enumerating the USB bus :-( >>>>> >>>>> Are there known issues with the Linux kernel on ARM and GCC-4.6? >>>>> >>>> >>>> There has been fixes on top of 4.6.0 the one we have right now is >> vanilla >>>> 4.6.0 release. I plan to add second set of patches but you have to >> dig a bit >>>> more to identify the problem >>>> >>> >>> I have some updates for gcc 4.6.0 >>> they are staged in >>> >>> http://git.openembedded.org/cgit.cgi/openembedded-core- >> contrib/log/?h=kraj/gcc-4.6 >>> >>> (top 3 patches) >>> >>> Please test them out and if you are lucky >>> your problem might be fixed too. >>> >>> All, please try these patches and provide any feedback >> >> I was able to build my kernel (ARM OMAP/3530 based) using this, but >> the USB still doesn't work, so no improvement, sorry. > > Gary, > Is the USB breakage is due to gcc 4.6.0 ? Yes, that's the only change. Building the kernel from the same source repository with 4.5.2 (using patches from you and Khem Raj) works perfectly. -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------