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* [zen-kernel-zen-kernel:5.14/bbr2 16/28] tcp_bbr2.c:undefined reference to `__udivdi3'
@ 2021-09-05  5:23 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-09-05  5:23 UTC (permalink / raw)
  To: kbuild-all

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tree:   https://github.com/zen-kernel/zen-kernel 5.14/bbr2
head:   fc632709b757850d62d2b295f749e80c19093da3
commit: 2f696e043b20dd35d154e96698f80ba91db53d07 [16/28] net-tcp_bbr: v2: BBRv2 ("bbr2") congestion control for Linux TCP
config: m68k-allyesconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/zen-kernel/zen-kernel/commit/2f696e043b20dd35d154e96698f80ba91db53d07
        git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel
        git fetch --no-tags zen-kernel-zen-kernel 5.14/bbr2
        git checkout 2f696e043b20dd35d154e96698f80ba91db53d07
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   m68k-linux-ld: net/ipv4/tcp_bbr.o: in function `bbr_tso_segs':
   tcp_bbr.c:(.text+0xf6): undefined reference to `__udivdi3'
   m68k-linux-ld: net/ipv4/tcp_bbr.o: in function `bbr_quantization_budget':
   tcp_bbr.c:(.text+0x178): undefined reference to `__udivdi3'
   m68k-linux-ld: net/ipv4/tcp_bbr.o: in function `bbr_packets_in_net_at_edt':
   tcp_bbr.c:(.text+0x2aa): undefined reference to `__udivdi3'
   m68k-linux-ld: net/ipv4/tcp_bbr.o: in function `bbr_inflight':
   tcp_bbr.c:(.text+0x58c): undefined reference to `__udivdi3'
   m68k-linux-ld: net/ipv4/tcp_bbr2.o: in function `bbr_tso_segs':
>> tcp_bbr2.c:(.text+0x115c): undefined reference to `__udivdi3'
   m68k-linux-ld: net/ipv4/tcp_bbr2.o:tcp_bbr2.c:(.text+0x126e): more undefined references to `__udivdi3' follow

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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