From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <501069FA.4020207@xenomai.org> Date: Wed, 25 Jul 2012 23:49:46 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <500808DC.1050800@barrett.com> <50080CB0.8030400@siemens.com> <500F0137.2020202@xenomai.org> <500F060D.7000806@barrett.com> <500F0BC1.1030002@xenomai.org> <501062C2.4040308@barrett.com> <50106319.8030109@xenomai.org> <50106690.8090901@barrett.com> <501066FC.5040309@xenomai.org> In-Reply-To: <501066FC.5040309@xenomai.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Xenomai 2.6.1 x86 Boot Hanging List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kyle Maroney Cc: "xenomai@xenomai.org" On 07/25/2012 11:37 PM, Gilles Chanteperdrix wrote: > On 07/25/2012 11:35 PM, Kyle Maroney wrote: > >> On 07/25/2012 05:20 PM, Gilles Chanteperdrix wrote: >>> On 07/25/2012 11:18 PM, Kyle Maroney wrote: >>> >>>> On 07/24/2012 04:55 PM, Gilles Chanteperdrix wrote: >>>>> On 07/24/2012 10:31 PM, Kyle Maroney wrote: >>>>> >>>>>> On 07/24/2012 04:10 PM, Gilles Chanteperdrix wrote: >>>>>>> On 07/19/2012 03:33 PM, Jan Kiszka wrote: >>>>>>> >>>>>>>> On 2012-07-19 15:17, Kyle Maroney wrote: >>>>>>>>> Congratulations on the recent release of Xenomai 2.6.1. We are excited >>>>>>>>> about the recent move to the ipipe core series and 3.x kernel patches >>>>>>>>> becoming available for the x86 architecture. >>>>>>>>> >>>>>>>>> I have been able to successfully patch the vanilla kernel (3.2.19) with >>>>>>>>> a slightly modified ipipe-core-3.2.21-x86-1 patch, and tested that >>>>>>>>> working with a generic configuration. I also successfully patched >>>>>>>>> vanilla + ubuntu diff + adeos, and tested this working as well. >>>>>>>>> >>>>>>>>> My problem is when I apply the xenomai configuration options after >>>>>>>>> running the prepare kernel script. The kernel compiles successfully >>>>>>>>> with no problems, however upon reboot I am met with the boot hanging at >>>>>>>>> the purple boot screen of Ubuntu (no images). >>>>>>>>> >>>>>>>>> I have experimented with many config options for the past few days, and >>>>>>>>> come to you for guidance. Please find attached my .config file. >>>>>>>>> >>>>>>>> There are obviously several issues remaining in the new x86 3.2 patch. I >>>>>>>> just recently ran into some of them as well while updating RTnet. >>>>>>> Any chance for a patch? I am currently running 3.4 on x86, so, it would >>>>>>> be nice to merge any fix you made. >>>>>>> >>>>>> Still no luck creating a configuration allowing me to boot on x86 w/ >>>>>> Precise. If anyone else has been successful on x86 we would love to see >>>>>> patches. >>>>> For the screen not to remain black, remove the "quiet" on the kernel >>>>> command line in the bootloader configuration. >>>>> >>>>> You can try earlyprintk, if the failure happens early. >>>>> >>>>> Also, in the kernel, try disabling any feature you do not use, such as >>>>> profiling, tracing, kgdb, perf system, syscall auditing, as much as >>>>> possible. >>>> Thank you all for your continued support (esp. Jan and Gilles). I am >>>> happy to report that I was successful in my compilation and testing! >>> >>> Ok, it would be nice to find which options caused the issue, so that we >>> can investigate and fix if possible. >>> >> Changes from the previously unsuccessful config: >> Disabled KGDB >> Enabled ACPI >> Disabled SPARSE_IRQ >> Disabled DEBUG_KERNEL >> >> I hope this provides insight. > > > Well, it would be nice to know which one has an issue (the "options" was > a mistake, I meant "option"...) Never mind, it is probably KGDB, it has already been reported. -- Gilles.