linux-kernel - Re: net/sunrpc/stats.c:204: undefined reference to `_GLOBAL_OFFSET_TABLE

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Date:   Tue, 4 Oct 2016 12:33:31 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Nicolas Pitre <nicolas.pitre@...aro.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Michal Simek <monstr@...str.eu>
Subject: Re: net/sunrpc/stats.c:204: undefined reference to
 `_GLOBAL_OFFSET_TABLE_'

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

Sorry for the noise!

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