On Thu, 6 Oct 2016, Fengguang Wu wrote: > On Tue, Oct 04, 2016 at 09:08:27AM -0400, Nicolas Pitre wrote: > >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. > > OK, let me try upgrade the debian package first. > What's your toolchain version?
The one that was installed by make.cross from the reproduction instructions included in the error report below. Currently: gcc version 4.9.0 GNU ld (GNU Binutils) 2.24 > > > 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 > > > > >
