Re: net/sunrpc/stats.c:204: undefined reference to `_GLOBAL_OFFSET_TABLE_'

From: Nicolas Pitre
Date: Tue Oct 04 2016 - 09:15:59 EST


On Tue, 4 Oct 2016, Fengguang Wu wrote:

> CC Michal. It looks like a microblaze specific error. I'll blacklist
> this old error on microblaze if there are no good solutions.

It doesn't exhibit any build error on my end. Which is why I suggested
that you verify the integrity of your toolchain on your end.


> On Fri, Sep 23, 2016 at 05:11:32PM -0400, Nicolas Pitre wrote:
> >On Thu, 22 Sep 2016, kbuild test robot wrote:
> >
> > > Hi Nicolas,
> > >
> > > FYI, the error/warning still remains.
> > >
> > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > > master
> > > head: 7d1e042314619115153a0f6f06e4552c09a50e13
> > > commit: 461a5e51060c93f5844113f4be9dba513cc92830 do_div(): generic
> > > optimization for constant divisor on 32-bit machines
> > > date: 10 months ago
> > > config: microblaze-mmu_defconfig (attached as .config)
> > > compiler: microblaze-linux-gcc (GCC) 6.2.0
> > > reproduce:
> > > wget
> > > https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
> > > -O ~/bin/make.cross
> > > chmod +x ~/bin/make.cross
> > > git checkout 461a5e51060c93f5844113f4be9dba513cc92830
> > > # save the attached .config to linux build tree
> > > make.cross ARCH=microblaze
> > >
> > > All errors (new ones prefixed by >>):
> > >
> > > net/built-in.o: In function `rpc_print_iostats':
> > > > > net/sunrpc/stats.c:204: undefined reference to `_GLOBAL_OFFSET_TABLE_'
> > > scripts/link-vmlinux.sh: line 52: 5714 Segmentation fault ${LD}
> > > ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} -T ${lds} ${KBUILD_VMLINUX_INIT}
> > > --start-group ${KBUILD_VMLINUX_MAIN} --end-group ${1}
> >
> >The problem must be at your end, especially if the toolchain exhibits
> >segmentation faults.
> >
> >Following exactly the instructions above, I get:
> >
> >[...]
> > LD vmlinux
> > SORTEX vmlinux
> > SYSMAP System.map
> > OBJCOPY arch/microblaze/boot/linux.bin
> > Building modules, stage 2.
> > MODPOST 3 modules
> > CC crypto/drbg.mod.o
> > CC crypto/echainiv.mod.o
> > CC crypto/jitterentropy_rng.mod.o
> > LD [M] crypto/jitterentropy_rng.ko
> > LD [M] crypto/drbg.ko
> > LD [M] crypto/echainiv.ko
> >Kernel: arch/microblaze/boot/linux.bin is ready (#1)
> >
> >
> >Nicolas
>