From: Sam Ravnborg <sam@ravnborg.org>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: new asm-offsets.h patch problems
Date: Mon, 12 Sep 2005 20:59:09 +0200 [thread overview]
Message-ID: <20050912185909.GA13374@mars.ravnborg.org> (raw)
In-Reply-To: <B8E391BBE9FE384DAA4C5C003888BE6F045A9188@scsmsx401.amr.corp.intel.com>
On Mon, Sep 12, 2005 at 09:00:06AM -0700, Luck, Tony wrote:
> So I still don't understand what is really happening here.
>
> I left my build script running overnight ... working on a
> kernel at the 357d596bd... commit (where Linus merged in
> my tree last night). This one has your "archprepare" patch
> already included.
>
> Sometimes a build for a config succeeds, and sometimes it
> fails. (tiger_defconfig for the last six builds has had a
> GOOD, BAD, BAD, BAD, GOOD, GOOD sequence, while bigsur_defconfig
> went GOOD, BAD, BAD, BAD, BAD, BAD). This non-determinism
> doesn't fit in well with your explanation of missing defines
> for PAGE_SIZE etc.
I have tried to reproduce it locally, but my gcc barfed out
in namei.c with an internal error :-(
I can explain why you see recompiles though.
asm-offsets.c has a dependency on asm-offsets.h
So in the cases where asm-offsets.c is build just before asm-offsets.h
then no recompile happens - at least not if they get same timestamp.
But in the cases where there is a command or two in betweem the two
the timestamps differ so next time you execute 'make' it will see that
asm-offsets.h is newe than asm-offsets.c and thus it will rebuild the
asm-offsets.h file.
But again this does not expalin why it sometimes goes bad, sometimes
goes well. I need some compile output for good and bad cases to dig more
into it.
There is no chance this is unrealted to the asm-offsets changes?
Sam
>
> -Tony
>
next prev parent reply other threads:[~2005-09-12 18:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-12 16:00 Luck, Tony
2005-09-12 16:50 ` Al Viro
2005-09-12 19:01 ` Sam Ravnborg
2005-09-12 18:59 ` Sam Ravnborg [this message]
2005-09-13 0:08 ` Peter Chubb
-- strict thread matches above, loose matches on Subject: below --
2005-09-13 0:14 Luck, Tony
2005-09-12 21:02 Luck, Tony
2005-09-12 23:17 ` Tony Luck
2005-09-11 21:48 Luck, Tony
2005-09-11 22:07 ` Sam Ravnborg
2005-09-11 20:39 Luck, Tony
2005-09-11 21:36 ` Sam Ravnborg
2005-09-11 14:54 Luck, Tony
2005-09-11 6:07 Luck, Tony
2005-09-11 7:45 ` Sam Ravnborg
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