Re: [linux-next:master 10409/11394] ERROR: modpost: "__fentry__" [tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.ko] undefined!

[Yujie Liu <yujie.liu@intel.com>]

Hi Marcos,

On Mon, Mar 04, 2024 at 09:29:19AM -0300, Marcos Paulo de Souza wrote:
> On Sat, 2 Mar 2024 14:14:12 +0800 kernel test robot <lkp@intel.com> wrote:
> 
> > Hi Marcos,
> > 
> > First bad commit (maybe != root cause):
> > 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   1870cdc0e8dee32e3c221704a2977898ba4c10e8
> > commit: 539cd3f4da3fdbe7dc353634e004e4b0e725c35a [10409/11394] selftests: lib.mk: Do not process TEST_GEN_MODS_DIR
> > compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240302/202403021440.Rs4qG6fP-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/202403021440.Rs4qG6fP-lkp@intel.com/
> > 
> > All errors (new ones prefixed by >>, old ones prefixed by <<):
> > 
> > WARNING: Module.symvers is missing.
> > Modules may not have dependencies or modversions.
> 
> This seems suspicious. Can you be sure that kernel-devel was installed properly
> in this machine? We have landed a patch to skip building the tests if
> kernel-devel is not installed. We check if /lib/modules/<kernel-version/build
> is present to start building, but I would expect Module.symvers to be present.
> 
> Please let me know if we need to adapt our tests further to avoid such problems.

Sorry, this is another problem due to the different way of organizing
the files at the bot side. We are looking into this to put the required
materials to the correct path. This report should be a false positive,
please ignore it.

> > You may get many unresolved symbol errors.
> > You can set KBUILD_MODPOST_WARN=1 to turn errors into warning
> > if you want to proceed at your own risk.
> > >> ERROR: modpost: "__fentry__" [tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.ko] undefined!
> > >> ERROR: modpost: "klp_enable_patch" [tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.ko] undefined!
> > >> ERROR: modpost: "seq_printf" [tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.ko] undefined!
> > >> ERROR: modpost: "param_ops_int" [tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.ko] undefined!
> > >> ERROR: modpost: "module_layout" [tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.ko] undefined!
> > >> ERROR: modpost: "__fentry__" [tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.ko] undefined!
> > >> ERROR: modpost: "flush_work" [tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.ko] undefined!
> > >> ERROR: modpost: "_printk" [tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.ko] undefined!
> > >> ERROR: modpost: "complete" [tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.ko] undefined!
> > >> ERROR: modpost: "msleep" [tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.ko] undefined!
> > WARNING: modpost: suppressed 80 unresolved symbol warnings because there were too many)
> > 
> > -- 
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
>