Re: [PATCH] kbuild: distributed build support for Clang ThinLTO

[kernel test robot <lkp@intel.com>]

In-Reply-To: <20250420010214.1963979-1-xur@google.com>
References: <20250420010214.1963979-1-xur@google.com>
TO: xur@google.com
TO: Masahiro Yamada <masahiroy@kernel.org>
TO: Nathan Chancellor <nathan@kernel.org>
TO: Nicolas Schier <nicolas.schier@linux.dev>
TO: Nick Desaulniers <nick.desaulniers+lkml@gmail.com>
TO: Bill Wendling <morbo@google.com>
TO: Justin Stitt <justinstitt@google.com>
TO: Miguel Ojeda <ojeda@kernel.org>
TO: Thomas Gleixner <tglx@linutronix.de>
TO: Alice Ryhl <aliceryhl@google.com>
TO: Sami Tolvanen <samitolvanen@google.com>
TO: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
TO: Rafael Aquini <aquini@redhat.com>
TO: Michael Ellerman <mpe@ellerman.id.au>
TO: Stafford Horne <shorne@gmail.com>
TO: Christophe Leroy <christophe.leroy@csgroup.eu>
TO: Rong Xu <xur@google.com>
TO: Teresa Johnson <tejohnson@google.com>
CC: linux-kernel@vger.kernel.org
CC: linux-kbuild@vger.kernel.org
CC: llvm@lists.linux.dev

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on masahiroy-kbuild/for-next]
[also build test ERROR on masahiroy-kbuild/fixes linus/master v6.15-rc2 next-20250417]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/xur-google-com/kbuild-distributed-build-support-for-Clang-ThinLTO/20250420-090244
base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
patch link:    https://lore.kernel.org/r/20250420010214.1963979-1-xur%40google.com
patch subject: [PATCH] kbuild: distributed build support for Clang ThinLTO
config: i386-buildonly-randconfig-002-20250420 (https://download.01.org/0day-ci/archive/20250420/202504201309.o2F1OHlm-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250420/202504201309.o2F1OHlm-lkp@intel.com/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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504201309.o2F1OHlm-lkp@intel.com/

All errors (new ones prefixed by >>):

>> Error loading index file 'lib/is_single_threaded.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/plist.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/iomem_copy.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/clz_tab.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/string.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/decompress_unlz4.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/decompress.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/decompress_unxz.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/kobject.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/maple_tree.o.thinlto.bc': No such file or directory
--
>> Error loading index file 'lib/fdt_empty_tree.o.thinlto.bc': No such file or directory
..

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