Re: [Xenomai] Kernel 2.6.37.6 + Xenomai 2.5.6 is ok, but with Xenomai 2.6.1 it won't boot

From: Jari Lietzen <jari.lietzen@gmail.com>
To: xenomai@xenomai.org
Subject: Re: [Xenomai] Kernel 2.6.37.6 + Xenomai 2.5.6 is ok, but with Xenomai 2.6.1 it won't boot
Date: Sun, 07 Oct 2012 20:50:30 +0300	[thread overview]
Message-ID: <5071C0E6.6060203@gmail.com> (raw)
In-Reply-To: <506D9152.2040109@gmail.com>

04.10.2012 16:38, Jari Lietzen kirjoitti:
> 04.10.2012 00:37, Gilles Chanteperdrix kirjoitti:
>> On 10/03/2012 09:26 AM, Jari Lietzen wrote:
>>
>>> 27.09.2012 21:20, Gilles Chanteperdrix kirjoitti:
>>>> On 09/27/2012 05:47 PM, Jari Lietzen wrote:
>>>>
>>>>> 27.09.2012 10:46, Gilles Chanteperdrix kirjoitti:
>>>>>> On 09/27/2012 07:49 AM, Jari Lietzen wrote:
>>>>>>
>>>>>>> 27.09.2012 00:30, Gilles Chanteperdrix kirjoitti:
>>>>>>>> On 09/24/2012 09:09 PM, Jari Lietzen wrote:
>>>>>>>>
>>>>>>>>> Hi!
>>>>>>>>>
>>>>>>>>> Kernel 2.6.37.6 and Xenomai 2.5.6 boots ok, though displaying
>>>>>>>>> the error
>>>>>>>>> message: "MP-BIOS bug: 8254 timer not connected to IO-APIC".
>>>>>>>>>
>>>>>>>>> If I try to use Xenomai 2.6.1 the error message displayed is
>>>>>>>>> the same
>>>>>>>>> and system just hangs after that. No other messages, keyboard
>>>>>>>>> doesn't
>>>>>>>>> work, nothing. I started with the same kernel configuration,
>>>>>>>>> but I have
>>>>>>>>> disabled a few options more (e.g. syscall auditing, shared
>>>>>>>>> interrupt
>>>>>>>>> support).
>>>>>>>>>
>>>>>>>>> I'm using Intel Core 2 Duo processor with Asus P5LD2-VM
>>>>>>>>> motherboard.
>>>>>>>>> Obviously I'm missing something, but I can't figure that out.
>>>>>>>>> Here is
>>>>>>>>> the kernel config file:
>>>>>>>>
>>>>>>>>
>>>>>>>> If you use one of the I-pipe patches whih ship with Xenomai
>>>>>>>> 2.6.1, such
>>>>>>>> as the patch for linux 3.2, do you also have the issue?
>>>>>>>>
>>>>>>>
>>>>>>> Hi!
>>>>>>>
>>>>>>> Yes, I have patched the kernel with this:
>>>>>>> /usr/src/xenomai/scripts/prepare-kernel.sh --arch=x86_64
>>>>>>> --adeos=/usr/src/xenomai/ksrc/arch/x86/patches/adeos-ipipe-2.6.37.6-x86-2.9-02.patch
>>>>>>>
>>>>>>> --linux=/usr/src/linux
>>>>>>>
>>>>>>> xenomai being a link to xenomai-2.6.1 -directory. When I switch
>>>>>>> between
>>>>>>> Xenomai 2.5.6 and 2.6.1 I remove the whole linux directory and
>>>>>>> extract
>>>>>>> it from the source again and change the xenomai link accordingly.
>>>>>>> With
>>>>>>> Xenomai 2.5.6 the patching was done with this:
>>>>>>> /usr/src/xenomai/scripts/prepare-kernel.sh --arch=x86_64
>>>>>>> --adeos=/usr/src/xenomai/ksrc/arch/x86/patches/adeos-ipipe-2.6.37-x86-2.9-00.patch
>>>>>>>
>>>>>>>      --linux=/usr/src/linux
>>>>>>
>>>>>>
>>>>>> So, could you try Xenoami 2.5.6 with the 2.9-02 patch, or 2.6.1
>>>>>> with the
>>>>>> 2.9-00 patch, or with the patch for linux 3.2 ?
>>>>>>
>>>>>
>>>>> I booted 2.6.37.6 kernel patched with 2.9-00 patch and compiled
>>>>> Xenomai
>>>>> 2.6.1 with the following commands:
>>>>
>>>>
>>>> I mean Xenomai 2.6.1 kernel with the 2.9-00 patch or Xenomai 2.5.6
>>>> kernel with 2.9-00 patch. Since the kernel is not booting, we do not
>>>> care about the user-space at this point.
>>>>
>>>
>>> I tested again the following combinations. Always starting with a fresh
>>> kernel tree and patching it:
>>>
>>>         2.9-00 patch    2.9-02 patch
>>> ----------------------------------------------
>>> Xenomai 2.5.6    OK        OK
>>>
>>> Xenomai 2.6.1    boot fails    boot fails
>>
>>
>> Hi,
>>
>> I could reproduce the bug, it should be fixed with the following patch:
>> http://git.xenomai.org/?p=xenomai-2.6.git;a=commitdiff;h=28984e66e9e17701354f8883b025fcf83f8b0b68;hp=8417949f5e7d1b4483eb3b6344ec5f3124ecf740
>>
>>
>
> This patch fixed the problem. I tested this with Core 2 Duo processor
> and hopefully I have time tomorrow to test it with Atom D2500 board also.
>
> Thank you for your help!
>
> Best regards,
>
> -Jari

It's working fine with the Atom D2500 too.

Best regards,

-Jari