Re: -next build failure with gcc 5.2.1

On 08-Dec-2016, at 7:39 AM, Balbir Singh [off-list ref] wrote:

On 12/07/2016 07:26 PM, Sachin Sant wrote:

quoted

next tree fails to build on a ppc64le box with following message

 LD      init/built-in.o
 LD      vmlinux.o
 MODPOST vmlinux.o
WARNING: modpost: Found 3 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
 KSYM    .tmp_kallsyms1.o
kallsyms failure: relative symbol value 0xc000000000000000 out of range in relative mode
Makefile:969: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1

GCC version is : gcc version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2)

Have attached kernel config file.

Thanks, would you be in a position to bisect?

Yes. It seems Stephen has already found the commit causing this. 

Thanks
-Sachin