Hello,
kernel test robot noticed "kernel-selftests.cgroup.test_kmem.test_percpu_basic.fail" on:
commit: aab6103b97f1c7ca6cf33e78d5e6916e53fc265c ("mm: memcg: account memory used for memcg vmstats and lruvec stats")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: kernel-selftests
version: kernel-selftests-x86_64-977d51cf-1_20240508
with following parameters:
group: cgroup
compiler: gcc-13
test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202405211653.efc447b0-oliver.sang@xxxxxxxxx
# timeout set to 300
# selftests: cgroup: test_kmem
# not ok 1 test_kmem_basic
# ok 2 test_kmem_memcg_deletion
# ok 3 test_kmem_proc_kpagecgroup
# ok 4 test_kmem_kernel_stacks
# ok 5 test_kmem_dead_cgroups
# memory.current 20549632
# percpu 12096000
# not ok 6 test_percpu_basic <------
not ok 2 selftests: cgroup: test_kmem # exit=1
the case always pass on parent
70a64b7919cbd6c1 aab6103b97f1c7ca6cf33e78d5e
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:6 100% 6:6 kernel-selftests.cgroup.test_kmem.test_percpu_basic.fail
below is the log from one parent run:
# timeout set to 300
# selftests: cgroup: test_kmem
# not ok 1 test_kmem_basic
# ok 2 test_kmem_memcg_deletion
# ok 3 test_kmem_proc_kpagecgroup
# ok 4 test_kmem_kernel_stacks
# ok 5 test_kmem_dead_cgroups
# ok 6 test_percpu_basic <-------
not ok 2 selftests: cgroup: test_kmem # exit=1
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240521/202405211653.efc447b0-oliver.sang@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
