Mailing List Archive: Linux: Kernel

2.6.17-rc4-mm1 klibc build misbehavior

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Valdis.Kletnieks at vt

May 15, 2006, 12:07 PM

Post #1 of 6 (1506 views)
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2.6.17-rc4-mm1 klibc build misbehavior

Why does touching scripts/mod/modpost.c end up rebuilding all of klibc?

Oddly enough, it *didn't* force a rebuild of all the *.ko files.

akpm at osdl

May 15, 2006, 12:16 PM

Post #2 of 6 (1371 views)
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Re: 2.6.17-rc4-mm1 klibc build misbehavior [In reply to]

Valdis.Kletnieks [at] vt wrote:
>
> Why does touching scripts/mod/modpost.c end up rebuilding all of klibc?
>
> Oddly enough, it *didn't* force a rebuild of all the *.ko files.
>

cc added.
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hpa at zytor

May 15, 2006, 1:29 PM

Post #3 of 6 (1378 views)
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Re: 2.6.17-rc4-mm1 klibc build misbehavior [In reply to]

Andrew Morton wrote:
> Valdis.Kletnieks [at] vt wrote:
>> Why does touching scripts/mod/modpost.c end up rebuilding all of klibc?
>>
>> Oddly enough, it *didn't* force a rebuild of all the *.ko files.
>>
> cc added.

Added Sam as well.

-hpa
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sam at ravnborg

May 15, 2006, 2:29 PM

Post #4 of 6 (1367 views)
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Re: 2.6.17-rc4-mm1 klibc build misbehavior [In reply to]

On Mon, May 15, 2006 at 01:29:59PM -0700, H. Peter Anvin wrote:
> Andrew Morton wrote:
> >Valdis.Kletnieks [at] vt wrote:
> >>Why does touching scripts/mod/modpost.c end up rebuilding all of klibc?
> >>
> >>Oddly enough, it *didn't* force a rebuild of all the *.ko files.
> >>
> >cc added.
>
> Added Sam as well.
Cannot reproduce it here.
x86_64 if that matters.

Please post output of make V=1 after touching modpost.c

Sam
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Valdis.Kletnieks at vt

May 15, 2006, 6:58 PM

Post #5 of 6 (1373 views)
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Re: 2.6.17-rc4-mm1 klibc build misbehavior [In reply to]

On Mon, 15 May 2006 23:29:51 +0200, Sam Ravnborg said:
> On Mon, May 15, 2006 at 01:29:59PM -0700, H. Peter Anvin wrote:
> > Andrew Morton wrote:
> > >Valdis.Kletnieks [at] vt wrote:
> > >>Why does touching scripts/mod/modpost.c end up rebuilding all of klibc?

> Please post output of make V=1 after touching modpost.c

Blarg. Now it won't do it. Checking back, it looks like I managed to
get the ownership/permissions trashed while I was debugging the
modpost.c bug - looks like a 'make modules_install' rebuilt some stuff
as root it shouldn't have, so the next build as non-root was unable to
write some file and that scrogged the build...

Chalk this one up as collateral damage while debugging a real bug. :)

sam at ravnborg

May 16, 2006, 3:25 PM

Post #6 of 6 (1369 views)
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Re: 2.6.17-rc4-mm1 klibc build misbehavior [In reply to]

On Mon, May 15, 2006 at 09:58:14PM -0400, Valdis.Kletnieks [at] vt wrote:
> On Mon, 15 May 2006 23:29:51 +0200, Sam Ravnborg said:
> > On Mon, May 15, 2006 at 01:29:59PM -0700, H. Peter Anvin wrote:
> > > Andrew Morton wrote:
> > > >Valdis.Kletnieks [at] vt wrote:
> > > >>Why does touching scripts/mod/modpost.c end up rebuilding all of klibc?
>
> > Please post output of make V=1 after touching modpost.c
>
> Blarg. Now it won't do it. Checking back, it looks like I managed to
> get the ownership/permissions trashed while I was debugging the
> modpost.c bug - looks like a 'make modules_install' rebuilt some stuff
> as root it shouldn't have, so the next build as non-root was unable to
> write some file and that scrogged the build...
>
> Chalk this one up as collateral damage while debugging a real bug. :)
OK, thanks for reporting back on this one.

Sam

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