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Date: Sun, 06 Nov 2011 12:10:56 -0600
From: at91_enthus <nwromania@domain.hid>
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Subject: Re: [Xenomai-help] Xenomai 2.6.0 - kernel seg faults on AT91
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On 11/06/2011 12:01 PM, Gilles Chanteperdrix wrote:
> On 11/06/2011 06:56 PM, at91_enthus wrote:
>> Hi.
>>
>> I gave Xenomai 2.6.0 a try and installed a newly patched kernel on my
>> AT91SAM9G20 board.
>>
>> Here is my setup:
>>
>> proc:   AT91SAM9G20
>> kernel: 2.6.35.9
>> OS: embedded Debian Squeeze
>>
>> The board boots fine up to stage 2 (user terminal). Sometimes, I am able
>> to get a login terminal, despite seg fault messages.
>>
>> A similar behavior occurs in a Xenomai capable 2.6.37 kernel, only
>> without the fault messages. In this case the board simply freezes.
>>
>> I included the files (.config and fault messages) in the attachments.
>>
> You enabled CONFIG_FCSE_GUARANTEED, I do not think Debian squeeze can
> boot with that, you need a real embedded filesystem, or use
> CONFIG_FCSE_BEST_EFFORT.
>
>

Since I've started looking in to Xenomai, I have been using FCSE
"guaranteed" and "best efort"  along with both Debian Squeeze and Lenny
(Xenomai 2.5 series) without any issues.

I'll change the FCSE setting to see if I get a different behavior.

Regards.