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Date: Wed, 20 Sep 2006 13:24:20 -0500
From: Jeff Webb <jeff.webb@domain.hid>
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Subject: Re: [Xenomai-help] Xenomai v2.2.3
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To: xenomai@xenomai.org

Philippe Gerum wrote:
> On Wed, 2006-09-20 at 09:44 -0500, Jeff Webb wrote:
> 
>> Switching to xenomai-2.2.3/linux-2.4.32 (ipipe-1.2) fixed this problem.
> 
> Could you try running 2.2.3 stock + fpu fix patch over 2.4.33.3/1.3-00,
> and 2.2.3 stock over 2.4.33.3/1.2-08 ? I'm trying to find out if there
> is a dependency on the kernel version, and/or the Adeos release, and/or
> the fpu issue, for the segfault bug. TIA,

I just tested two more builds.  Both of them have the segfault bug.  Here is a summary of the results thus far:

Latency test works:
  linux-2.4.32, adeos-ipipe-2.4.32-i386-1.2-07.patch

Latency test segfaults:
  linux-2.4.33.3, adeos-ipipe-2.4.33-i386-1.3-00.patch
  linux-2.4.33.3, adeos-ipipe-2.4.33-i386-1.2-07.patch
  linux-2.4.33.3 (+ FPU fix patch), adeos-ipipe-2.4.33-i386-1.3-00.patch

All of these are with xenomai-2.2.3.  The last one has the FPU fix patch applied.  So, it appears to be something in the newer kernel version...

Thanks,

Jeff