Hello, kernel test robot noticed "kernel-selftests.iommu.iommufd_fail_nth.fail" on: commit: 17de3f5fdd35676b0e3d41c7c9bf4e3032eb3673 ("iommu: Retire bus ops") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master fd0584d220fe285dc45be43eede55df89ad6a3d9] [test failed on linux-next/master 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2] in testcase: kernel-selftests version: kernel-selftests-x86_64-7503345ac5f5-1_20241208 with following parameters: group: iommu config: x86_64-dcg_x86_64_defconfig-kselftests compiler: gcc-12 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G 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/202412301525.87d1422b-lkp@xxxxxxxxx # timeout set to 300 # selftests: iommu: iommufd_fail_nth # TAP version 13 # 1..7 # # Starting 7 tests from 1 test cases. # # RUN basic_fail_nth.basic ... # # OK basic_fail_nth.basic # ok 1 basic_fail_nth.basic # # RUN basic_fail_nth.map_domain ... # # iommufd_fail_nth.c:299:map_domain:Expected 0 (0) == test_nth_map_domain(_metadata, self, variant, &nth_state) (-1) # # map_domain: Test terminated by assertion # # FAIL basic_fail_nth.map_domain # not ok 2 basic_fail_nth.map_domain # # RUN basic_fail_nth.map_two_domains ... # # iommufd_fail_nth.c:334:map_two_domains:Expected 0 (0) == test_nth_map_two_domains(_metadata, self, variant, &nth_state) (-1) # # map_two_domains: Test terminated by assertion # # FAIL basic_fail_nth.map_two_domains # not ok 3 basic_fail_nth.map_two_domains # # RUN basic_fail_nth.access_rw ... # # OK basic_fail_nth.access_rw # ok 4 basic_fail_nth.access_rw # # RUN basic_fail_nth.access_pin ... # # OK basic_fail_nth.access_pin # ok 5 basic_fail_nth.access_pin # # RUN basic_fail_nth.access_pin_domain ... # # iommufd_fail_nth.c:515:access_pin_domain:Expected 0 (0) == test_nth_access_pin_domain(_metadata, self, variant, &nth_state) (-1) # # access_pin_domain: Test terminated by assertion # # FAIL basic_fail_nth.access_pin_domain # not ok 6 basic_fail_nth.access_pin_domain # # RUN basic_fail_nth.device ... # # iommufd_fail_nth.c:577:device:Expected 0 (0) == test_nth_device(_metadata, self, variant, &nth_state) (-1) # # device: Test terminated by assertion # # FAIL basic_fail_nth.device # not ok 7 basic_fail_nth.device # # FAILED: 3 / 7 tests passed. # # Totals: pass:3 fail:4 xfail:0 xpass:0 skip:0 error:0 not ok 2 selftests: iommu: iommufd_fail_nth # exit=1 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241230/202412301525.87d1422b-lkp@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki