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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: "Tian, Kevin" <kevin.tian@intel.com>
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Date: Thu, 16 Dec 2010 15:29:53 +0000
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Cc: "paul.eggleton@linux.intel.com" <paul.eggleton@linux.intel.com>,
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Subject: Re: [PATCH 0/1] Fix weird rebuild issue even when sstate signature doesn't change
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On Thu, 2010-12-16 at 16:45 +0800, Tian, Kevin wrote:
> >From: Gary Thomas [mailto:gary@mlbassoc.com]
> >Sent: Thursday, December 16, 2010 12:10 AM
> >
> >Note to Richard: I'm still seeing a ton of Noexec messages every time I rebuild
> >a package in this tree.  I thought I understood you to say they should happen
> >at most once?
> >
> 
> Yes, RP's previous patch does reduce the Noexec messages a lot. However there
> remains one problem. Current stamp file check also calculates the stamp of tasks
> depended on. If those stamps are newer or not exist, the check return False to
> indicate mismatched stamp.
> 
> In 'noexec' case, some 'noexec' tasks happen to have some dependent tasks
> skipped which thus don't generate stamp files. This makes the check always
> failed for those 'noexec' tasks and thus you always observe the Noexec messages.
> 
> I have a patch to fix that, and will send out soon. :-)

I've pushed what I think is the correct fix for this problem, let me
know how it looks.

Cheers,

Richard