2019-08-19 18:54:04

by kernel test robot

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Subject: [rcu:test 8/35] ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!

tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git test
head: b0e7c384ed8a8b5be17376a00e6f22e2d89456b9
commit: 14569aa16daa1cd7610624a500ed2750fe341351 [8/35] rcutorture: Force on tick for readers and callback flooders
config: x86_64-rhel (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
git checkout 14569aa16daa1cd7610624a500ed2750fe341351
# save the attached .config to linux build tree
make ARCH=x86_64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email protected]>

All errors (new ones prefixed by >>):

ERROR: "tick_nohz_dep_clear_task" [kernel/rcu/rcutorture.ko] undefined!
ERROR: "tick_nohz_dep_set_task" [kernel/rcu/rcutorture.ko] undefined!
>> ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!

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2019-08-19 20:58:44

by Paul E. McKenney

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Subject: Re: [rcu:test 8/35] ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!

On Tue, Aug 20, 2019 at 02:43:32AM +0800, kbuild test robot wrote:
> tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git test
> head: b0e7c384ed8a8b5be17376a00e6f22e2d89456b9
> commit: 14569aa16daa1cd7610624a500ed2750fe341351 [8/35] rcutorture: Force on tick for readers and callback flooders
> config: x86_64-rhel (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
> reproduce:
> git checkout 14569aa16daa1cd7610624a500ed2750fe341351
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <[email protected]>
>
> All errors (new ones prefixed by >>):
>
> ERROR: "tick_nohz_dep_clear_task" [kernel/rcu/rcutorture.ko] undefined!
> ERROR: "tick_nohz_dep_set_task" [kernel/rcu/rcutorture.ko] undefined!
> >> ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!

This one has been obsoleted by 14569aa16daa ("rcutorture: Force on
tick for readers and callback flooders") which should have a fix for
these issues.

Thanx, Paul