linux-kernel - error: gendwarfksyms: process_module: dwarf_get

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Message-ID: <202502120752.U3fOKScQ-lkp@intel.com>
Date: Wed, 12 Feb 2025 07:55:45 +0800
From: kernel test robot <lkp@...el.com>
To: Sami Tolvanen <samitolvanen@...gle.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>
Subject: error: gendwarfksyms: process_module: dwarf_get_units failed: no
 debugging information?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   09fbf3d502050282bf47ab3babe1d4ed54dd1fd8
commit: 9c3681f9b9fd12cdbc4a542df599f1837512f3d5 kbuild: Add gendwarfksyms as an alternative to genksyms
date:   5 weeks ago
config: s390-randconfig-002-20250212 (https://download.01.org/0day-ci/archive/20250212/202502120752.U3fOKScQ-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250212/202502120752.U3fOKScQ-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502120752.U3fOKScQ-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> error: gendwarfksyms: process_module: dwarf_get_units failed: no debugging information?
--
   In file included from <stdin>:3:
   In file included from arch/s390/include/asm/asm-prototypes.h:4:
>> include/linux/kvm_host.h:1908:24: warning: field 'desc' with variable sized type 'struct kvm_stats_desc' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]
    1908 |         struct kvm_stats_desc desc;
         |                               ^
   1 warning generated.
>> error: gendwarfksyms: process_module: dwarf_get_units failed: no debugging information?

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