Hello, kernel test robot noticed "kernel-selftests.cgroup.test_cpuset_prs.sh.fail" on: commit: 105f3fe9188b37752c25d154870ceca352c9213f ("cgroup/cpuset: Extend test_cpuset_prs.sh to test remote partition") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 2ccbdf43d5e758f8493a95252073cf9078a5fea5] [test failed on linux-next/master 6906a84c482f098d31486df8dc98cead21cce2d0] in testcase: kernel-selftests version: kernel-selftests-x86_64-977d51cf-1_20240508 with following parameters: group: cgroup compiler: gcc-13 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (Ivy Bridge) with 16G 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/202406141712.dbbaa8fd-oliver.sang@xxxxxxxxx # timeout set to 300 # selftests: cgroup: test_cpuset_prs.sh # Running state transition test ... # ./test_cpuset_prs.sh: line 106: echo: write error: Input/output error # ./test_cpuset_prs.sh: line 107: echo: write error: Input/output error # ./test_cpuset_prs.sh: line 729: echo: write error: Input/output error # ./test_cpuset_prs.sh: line 729: echo: write error: Input/output error # ./test_cpuset_prs.sh: line 729: echo: write error: Input/output error # ./test_cpuset_prs.sh: line 729: echo: write error: Input/output error # ./test_cpuset_prs.sh: line 729: echo: write error: Input/output error # Effective cpus changed to 0-1,4-7 after test 4! not ok 10 selftests: cgroup: test_cpuset_prs.sh # exit=1 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240614/202406141712.dbbaa8fd-oliver.sang@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki