[Xenomai] Support of Beagleboard xm rev C on 3.14-ipipe

Arnaud Degroote arnaud.degroote at isae.fr
Mon Jun 30 18:06:25 CEST 2014


On 30/Jun - 17:48, Gilles Chanteperdrix wrote:
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> On 06/30/2014 05:45 PM, Arnaud Degroote wrote:
> > On 30/Jun - 17:26, Gilles Chanteperdrix wrote:
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> >> On 06/30/2014 05:18 PM, Arnaud Degroote wrote:
> >>> On 30/Jun - 14:37, Arnaud Degroote wrote: [snip]
> >>>>> Have you checked that the exact same kernel configuration, 
> >>>>> only without CONFIG_IPIPE and CONFIG_XENOMAI runs
> >>>>> correctly under load?
> >>>> 
> >>>> The system seems to hang even without CONFIG_IPIPE. The 
> >>>> linux-yocto kernel seems to work properly (it looks like a 
> >>>> 3.14rc8), I will check precisely against linux kernel v3.14.
> >>> 
> >>> Some additional information
> >>> 
> >>> linux mainstream kernel on tag v3.14 runs fine on the
> >>> platform. The system hangs with ipipe branch ipipe-3.14
> >>> (without xenomai stuff, and without CONFIG_IPIPE).
> >> 
> >> In the two cases the configuration is exactly the same?
> >> 
> > Yes, there are no semantic difference. The only diff are
> > 
> > CONFIG_LOCALVERSION
> > 
> > and the ipipe kernel has the extra line
> > 
> > # CONFIG_IPIPE is not set
> > 
> If you have a rootfs without hardfp (based on the codesourcery
> toolchain for instance), could you try to boot without CONFIG_VFP?

I don't have such toolchain for the moment, but I can try to hack my
current yocto toolchain to test without hardfp. Still, I have compiled a
kernel without CONFIG_VFP but it still hangs in the same place, so I
don't think it is related to the current issue.


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