Re: 2.6.23-mm1 - regression- PowerPC link failure at arch/powerpc/kernel/head_64.o

Kamalesh Babulal
2007-10-16T07:45:26Z

Andrew Morton wrote:
> On Tue, 16 Oct 2007 12:48:48 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
>
>> Hi Andrew,
>>
>> The link failure while compiling the kernel with allyesconfig over the lpar,
>> which was seen in 2.6.23-rc8-mm2 (http://lkml.org/lkml/2007/9/30/2) is still
>> seen in 2.6.23-mm1, the link failure is
>>
>> ld: arch/powerpc/kernel/head_64.o(.text+0x80c8): sibling call optimization to `.text.init.refok' does not allow automatic multiple TOCs; recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `.text.init.refok' extern
>> ld: arch/powerpc/kernel/head_64.o(.text+0x8160): sibling call optimization to `.text.init.refok' does not allow automatic multiple TOCs; recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `.text.init.refok' extern
>> ld: arch/powerpc/kernel/head_64.o(.text+0x81c4): sibling call optimization to `.text.init.refok' does not allow automatic multiple TOCs; recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `.text.init.refok' extern
>> ld: final link failed: Bad value
>> make: *** [.tmp_vmlinux1] Error 1
>>
>> # gcc -v
>> Using built-in specs.
>> Target: powerpc64-suse-linux
>> Configured with: ../configure --enable-threads=posix --prefix=/usr --with-local-prefix=/usr/local --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib --libexecdir=/usr/lib --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.1.2 --enable-ssp --disable-libssp --disable-libgcj --with-slibdir=/lib --with-system-zlib --enable-shared --enable-__cxa_atexit --enable-libstdcxx-allocator=new --program-suffix=-4.1 --enable-version-specific-runtime-libs --without-system-libunwind --with-cpu=default32 --enable-secureplt --with-long-double-128 --host=powerpc64-suse-linux
>> Thread model: posix
>> gcc version 4.1.2 20061115 (prerelease) (SUSE Linux)
>>
>> ld -v
>> GNU ld version 2.17.50.0.5 20060927 (SUSE Linux)
>>
>>
>> Anything I can provide to help diagnose this?
>>
>
> Did we work out which patch is causing this?
> -
Hi Andrew,
No, we did not work out on which patch is causing this ! I will try a bisect to find the patch causing this issue.

--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.