[PPC64/Power7 - 2.6.35-rc5] Bad relocation warnings while Building a CONFIG_RELOCATABLE kernel with CONFIG_ISERIES enabled
subrata at linux.vnet.ibm.com
Mon Jul 19 18:56:17 EST 2010
On Fri, 2010-07-16 at 12:04 +1000, Michael Neuling wrote:
> > commit e62cee42e66dcca83aae02748535f62e0f564a0c solved the problem for
> > 2.6.34-rc6. However some other bad relocation warnings generated against
> > 2.6.35-rc5 on Power7/ppc64 below:
> > MODPOST 2004 modules^M
> > WARNING: 2 bad relocations^M
> > c000000000008590 R_PPC64_ADDR32 .text+0x4000000000008460^M
> > c000000000008594 R_PPC64_ADDR32 .text+0x4000000000008598^M
> I can't replicate this with your config with gcc 4.4.4 and binutils
> 2.20. What are you using?
Well, i also have the following GCC (from Fedora 13 Rawhide)
# gcc --version
gcc (GCC) 4.4.4 20100611 (Red Hat 4.4.4-8)
Copyright (C) 2010 Free Software Foundation, Inc.
> > Config file attached.
> > Regards--
> > Subrata
> > On Fri, 2010-05-07 at 15:40 +1000, Paul Mackerras wrote:
> > > On Wed, May 05, 2010 at 05:20:51PM +0530, Subrata Modak wrote:
> > >
> > > > I built 2.6.34-rc6 with the attached Fedora Config file
> > > > (config-22.214.171.124-19.fc13.ppc64) on my P5 Fedora Box and got the
> > > > following warning. Is the following expected ?
> > > >
> > > > CALL arch/powerpc/relocs_check.pl
> > > > Building modules, stage 2.
> > > > WARNING: 4 bad relocations
> > > > c00000000007216e R_PPC64_ADDR16_HIGHEST __ksymtab+0x00000000009dcec8
> > > > c000000000072172 R_PPC64_ADDR16_HIGHER __ksymtab+0x00000000009dcec8
> > > > c00000000007217a R_PPC64_ADDR16_HI __ksymtab+0x00000000009dcec8
> > > > c00000000007217e R_PPC64_ADDR16_LO __ksymtab+0x00000000009dcec8
> > >
> > > No, it's not expected. It's in iSeries code, so you could avoid it
> > > just by disabling CONFIG_ISERIES (I don't think any distro still
> > > supports legacy iSeries). I'll post a patch to fix the problem
> > > properly.
> > >
> > > Paul.
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