Re: [kbuild-all] Re: ERROR: start_text address is c000000000000200, should be c000000000000100

[Chen, Rong A]

On 9/6/2021 2:13 AM, Randy Dunlap wrote:
> On 9/5/21 12:17 AM, kernel test robot wrote:
> > Hi Randy,
> >
> > FYI, the error/warning still remains.
> >
> > tree:   
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   49624efa65ac9889f4e7c7b2452b2e6ce42ba37d
> > commit: 47c258d71ebfc832a760a1dc6540cf3c33968023 powerpc/head_check: 
> > use stdout for error messages
> > date:   3 weeks ago
> > config: powerpc64-randconfig-s031-20210904 (attached as .config)
> > compiler: powerpc64-linux-gcc (GCC) 11.2.0
> > reproduce:
> >          wget 
> > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross 
> > -O ~/bin/make.cross
> >          chmod +x ~/bin/make.cross
> >          # apt-get install sparse
> >          # sparse version: v0.6.4-rc1-dirty
> >          # 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=47c258d71ebfc832a760a1dc6540cf3c33968023 
> >
> >          git remote add linus 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >          git fetch --no-tags linus master
> >          git checkout 47c258d71ebfc832a760a1dc6540cf3c33968023
> >          # save the attached .config to linux build tree
> >          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 
> > make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir 
> > ARCH=powerpc SHELL=/bin/bash
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >
> > All errors (new ones prefixed by >>):
> >
> > > > ERROR: start_text address is c000000000000200, should be 
> > > > c000000000000100
> > > > ERROR: try to enable LD_HEAD_STUB_CATCH config option
> > > > ERROR: see comments in arch/powerpc/tools/head_check.sh
>
>
> Following those instructions fixes this build error for me.
> Can ktr/lkp do that?
> Otherwise just ignore this ERROR.
>
> Set CONFIG_EXPERT=y
> and CONFIG_LD_HEAD_STUB_CATCH=y.

Hi Randy,

Thanks for the explanation, We'll enable these configs.

Best Regards,
Rong Chen

> However, after doing that, I get these messages:
>
> INFO: Uncompressed kernel (size 0x30ef664) overlaps the address of the 
> wrapper(0x400000)
> INFO: Fixing the link_address of wrapper to (0x3100000)