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

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Message-ID: <20161005235726.7n3aug2qppy5y6yp@wfg-t540p.sh.intel.com>
Date:   Thu, 6 Oct 2016 07:57:26 +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_'

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?

Thanks,
Fengguang

>> 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
>>