linux-kernel - [rcu:rcu/next 16/16] ERROR: "__udivdi3" [kernel/torture.ko] undefined!

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Date:	Sun, 19 Jun 2016 12:42:35 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [rcu:rcu/next 16/16] ERROR: "__udivdi3" [kernel/torture.ko]
 undefined!

Hi,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
head:   b4aa201e0c7c73a9f4fee7d82d4ff46b85feeea9
commit: b4aa201e0c7c73a9f4fee7d82d4ff46b85feeea9 [16/16] torture: Convert torture_shutdown() to hrtimer
config: m32r-allmodconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 4.9.0
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 b4aa201e0c7c73a9f4fee7d82d4ff46b85feeea9
        # save the attached .config to linux build tree
        make.cross ARCH=m32r 

All errors (new ones prefixed by >>):

   ERROR: "bad_dma_ops" [sound/soc/fsl/snd-soc-fsl-asrc.ko] undefined!
   ERROR: "bad_dma_ops" [sound/soc/atmel/snd-soc-atmel-pcm-pdc.ko] undefined!
   ERROR: "bad_dma_ops" [sound/core/snd-pcm.ko] undefined!
   ERROR: "dma_common_mmap" [sound/core/snd-pcm.ko] undefined!
   ERROR: "__ucmpdi2" [lib/842/842_decompress.ko] undefined!
>> ERROR: "__udivdi3" [kernel/torture.ko] undefined!
   ERROR: "__ucmpdi2" [fs/btrfs/btrfs.ko] undefined!
   ERROR: "__ucmpdi2" [drivers/media/i2c/adv7842.ko] undefined!
   ERROR: "__ucmpdi2" [drivers/md/bcache/bcache.ko] undefined!
   ERROR: "__ucmpdi2" [drivers/iio/imu/inv_mpu6050/inv-mpu6050.ko] undefined!
   ERROR: "bad_dma_ops" [drivers/fpga/zynq-fpga.ko] undefined!

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