Oops #817 on ARM MPCore with 2.6.22-rc3

Oops #817 on ARM MPCore with 2.6.22-rc3

[shaiju]

Joerg Wagner <wagner <at> ccrl-nece.de> writes:

> 
> > One more patch worth testing is:
> > 
> > http://www.linux-arm.org/git?p=linux-
2.6.git;a=commitdiff_plain;h=3fe656e0dece808ae1de97f98a2e917c46573beb
> 
> That one looks very interesting indeed.
> However I cannot find any information about the mentioned errata.
> Sadly enough the workaround presented here uses privileged access to CP15 
which might fix the kernel but
> userspace programs are left out.
> 
> If someone can put more light into this I would be glad to hear about it.
> At the first glance it seems to add artificial idle cycles to all operations 
based on ldrex/strex
> combination, but why are they coupled to the processor id ? Isn't there a 
chance that a process/threads
> gets moved to another processor when running code in kernel space (when 
running the idle loop), given a
> preemptive kernel.
> 
> Regards !
> 
> Joerg
> 

Hi  wanger,

Did  this  problem  got  solved .  What  was  the  solution .  I  am  getting 
similar  Error  .

regards,
shaiju

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