On Fri, Sep 11, 2020 at 12:54:49PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> dev.2020.09.07a
> head: cccf684a1da846c3ff830d553bc4cf97bf779f48
> commit: cccf684a1da846c3ff830d553bc4cf97bf779f48 [23/23] rcu-tasks: Mass of
> debug and fixes
> config: ia64-defconfig (attached as .config)
> compiler: ia64-linux-gcc (GCC) 9.3.0
> 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
> git checkout cccf684a1da846c3ff830d553bc4cf97bf779f48
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
> ARCH=ia64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <l...@intel.com>
This one was strictly for debugging, and was not designed to work in
all configurations. It is not intended for upstream.
Thanx, Paul
> All errors (new ones prefixed by >>):
>
> ia64-linux-ld: kernel/sched/core.o: in function
> `try_invoke_on_locked_down_task':
> core.c:(.text+0x86b0): undefined reference to `n_rtt_sched'
> >> ia64-linux-ld: core.c:(.text+0x86c1): undefined reference to `n_rtt_sched'
> >> ia64-linux-ld: core.c:(.text+0x8810): undefined reference to
> >> `n_rtt_sched_waking'
> ia64-linux-ld: core.c:(.text+0x8811): undefined reference to
> `n_rtt_sched_waking'
> >> ia64-linux-ld: core.c:(.text+0x8850): undefined reference to
> >> `n_rtt_sched_fail'
> ia64-linux-ld: core.c:(.text+0x8851): undefined reference to
> `n_rtt_sched_fail'
> >> ia64-linux-ld: core.c:(.text+0x88a0): undefined reference to
> >> `n_rtt_sched_running'
> ia64-linux-ld: core.c:(.text+0x88a1): undefined reference to
> `n_rtt_sched_running'
> ia64-linux-ld: core.c:(.text+0x88e0): undefined reference to
> `n_rtt_sched_fail'
> ia64-linux-ld: core.c:(.text+0x88e1): undefined reference to
> `n_rtt_sched_fail'
> >> ia64-linux-ld: core.c:(.text+0x8990): undefined reference to
> >> `n_rtt_sched_offrq'
> ia64-linux-ld: core.c:(.text+0x8991): undefined reference to
> `n_rtt_sched_offrq'
> >> ia64-linux-ld: core.c:(.text+0x8a90): undefined reference to
> >> `n_rtt_sched_onrq'
> ia64-linux-ld: core.c:(.text+0x8a91): undefined reference to
> `n_rtt_sched_onrq'
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
