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Re: PRecord sets memory even when it says it did not


On Monday 14 September 2009 18:53:51, Marc Khouzam wrote:
> 
> > -----Original Message-----
> > From: Pedro Alves [mailto:pedro@codesourcery.com] 
> > Sent: Monday, September 14, 2009 1:50 PM
> > To: gdb@sourceware.org
> > Cc: Greg Law; Hui Zhu; Marc Khouzam; Michael Snyder; gdb-patches ml
> > Subject: Re: PRecord sets memory even when it says it did not
> > 
> > > Could this be related to the caching changes that have happened
> > > recently?  i.e. does the cache get updated even though the 
> > underlying
> > > poke operation failed?  If so, this issue would seem to be 
> > wider than
> > > just prec (and wider than reverse, too).
> > 
> > If so, then there's an easy way to find out: try again with
> > "set stack-cache off".
> > 
> 
> Yes, that seems to fix everything.

Then I'd suspect either a bug dcache_xfer_memory, or a missing
target_dcache_invalidate/dcache_invalidate call somewhere.

-- 
Pedro Alves


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