ld.lld: error: undefined symbol: __aeabi_uidivmod

From: kernel test robot

Date: Wed Aug 26 2026 - 06:22:28 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 66498c75b4f8017f62d720d9b59675bdf3abce91
commit: 25900bd99d4d10faa939a79e2fdc49c3373b51e7 ARM: limit OABI support to StrongARM CPUs
date: 8 weeks ago
config: arm-assabet_defconfig (https://download.01.org/0day-ci/archive/20260826/202608261730.Z3vfMtxw-lkp@xxxxxxxxx/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260826/202608261730.Z3vfMtxw-lkp@xxxxxxxxx/reproduce)

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
| Fixes: 25900bd99d4d ("ARM: limit OABI support to StrongARM CPUs")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608261730.Z3vfMtxw-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __aeabi_uidivmod
>>> referenced by ptrace.c
>>> kernel/ptrace.o:(ptrace_regset) in archive vmlinux.a
>>> referenced by irqdomain.c
>>> kernel/irq/irqdomain.o:(irq_create_mapping_affinity_locked) in archive vmlinux.a
>>> referenced by irqdomain.c
>>> kernel/irq/irqdomain.o:(irq_domain_alloc_descs) in archive vmlinux.a
>>> referenced 122 more times
--
>> ld.lld: error: undefined symbol: __aeabi_idivmod
>>> referenced by bitmap.c
>>> lib/bitmap.o:(bitmap_bitremap) in archive vmlinux.a
>>> referenced by blk-map.c
>>> block/blk-map.o:(blk_rq_map_user_iov) in archive vmlinux.a
>>> referenced by ialloc.c
>>> fs/ext2/ialloc.o:(ext2_new_inode) in archive vmlinux.a
>>> referenced 21 more times

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki