On Tue, Jan 17, 2023 at 04:04:22PM -0800, Luis Chamberlain wrote: > ./tools/testing/selftests/kmod/kmod.sh -t 0006 > Tue Jan 17 23:18:13 UTC 2023 > Running test: kmod_test_0006 - run #0 > kmod_test_0006: OK! - loading kmod test > kmod_test_0006: FAIL, test expects SUCCESS (0) - got -EINVAL (-22) > ---------------------------------------------------- > Custom trigger configuration for: test_kmod0 > Number of threads: 50 > Test_case: TEST_KMOD_FS_TYPE (2) > driver: test_module > fs: xfs > ---------------------------------------------------- > Test completed > > When can multiple get_fs_type() calls be issued on a system? When > mounting a large number of filesystems. Sadly though this issue seems > to have gone unnoticed for a while now. Even reverting commit > 6e6de3dee51a doesn't fix it, and I've run into issues with trying > to bisect, first due to missing Kees' patch which fixes a compiler > failure on older kernel [0] and now I'm seeing this while trying to > build v5.1: > > ld: arch/x86/boot/compressed/pgtable_64.o:(.bss+0x0): multiple definition of `__force_order'; > arch/x86/boot/compressed/kaslr_64.o:(.bss+0x0): first defined here > ld: warning: arch/x86/boot/compressed/efi_thunk_64.o: missing .note.GNU-stack section implies executable stack > ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker > ld: arch/x86/boot/compressed/head_64.o: warning: relocation in read-only section `.head.text' > ld: warning: arch/x86/boot/compressed/vmlinux has a LOAD segment with RWX permissions > ld: warning: creating DT_TEXTREL in a PIE > make[2]: *** [arch/x86/boot/compressed/Makefile:118: arch/x86/boot/compressed/vmlinux] Error 1 > make[1]: *** [arch/x86/boot/Makefile:112: arch/x86/boot/compressed/vmlinux] Error 2 > make: *** [arch/x86/Makefile:283: bzImage] Error 2 > > [0] http://lore.kernel.org/lkml/20220213182443.4037039-1-keescook@xxxxxxxxxxxx > > But we should try to bisect to see what cauased the above kmod test 0006 > to start failing. BTW if someone beats me to bisecting the above it would be appreciated. I have a feeling having old gcc / linker, etc would be easier. Luis