[Xenomai] Kernel freezes in __ipipe_sync_stage

Gilles Chanteperdrix gilles.chanteperdrix at xenomai.org
Fri Jun 20 14:25:15 CEST 2014


On 06/20/2014 02:18 PM, Marco Tessore wrote:
> Il 20/06/2014 13:52, Gilles Chanteperdrix ha scritto:
>> On 06/20/2014 11:11 AM, Marco Tessore wrote:
>>> The kernel is version 2.6.31 for ARM architecture - specifically a
>> Do you have the same problem with a recent I-pipe patches, like one for
>> 3.8 or 3.10 kernel?
>>
> 
> One note:
> Philippe had already written an email about, full of tips on how to 
> identify the cause, and that is probably not attributable to ipipe, 
> unfortunately the email went into spam and I had not seen.
> 
> For the moment I have enough material to work with,
> if the tests, that I will do on the 3.10, were to emerge again something 
> I will inform you.

Ok, there is a very old bug in the imx tsc emulation, which used a 
physical address as virtual address. See for instance:

http://www.armadeus.com/wiki/index.php?title=Xenomai#Xenomai_kernel_space_support

-- 
                                                                Gilles.




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