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* Error: failed to load BTF from vmlinux: No data available
@ 2023-05-16  2:43 kernel test robot
  2023-05-16 17:29 ` Andrii Nakryiko
  0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2023-05-16  2:43 UTC (permalink / raw)
  To: Changbin Du; +Cc: oe-kbuild-all, linux-kernel, Andrii Nakryiko

Hi Changbin,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: acd3b7768048fe338248cdf43ccfbf8c084a6bc1 libbpf: Return -ENODATA for missing btf section
date:   4 months ago
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acd3b7768048fe338248cdf43ccfbf8c084a6bc1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout acd3b7768048fe338248cdf43ccfbf8c084a6bc1
        make O=/tmp/kselftest headers
        make O=/tmp/kselftest -C tools/testing/selftests

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305161058.hUHyPIjv-lkp@intel.com/

All errors (new ones prefixed by >>):

   libbpf: failed to find '.BTF' ELF section in vmlinux
>> Error: failed to load BTF from vmlinux: No data available
--
   libbpf: failed to find '.BTF' ELF section in vmlinux
>> Error: failed to load BTF from vmlinux: No data available
   make[3]: *** [Makefile:204: tools/bpf/bpftool/vmlinux.h] Error 195
   make[3]: *** Deleting file 'tools/bpf/bpftool/vmlinux.h'
   make[2]: *** [Makefile:113: bpftool] Error 2
   make[2]: *** Waiting for unfinished jobs....
   libbpf: failed to find '.BTF' ELF section in vmlinux
>> Error: failed to load BTF from vmlinux: No data available
   make[3]: *** [Makefile:76: tools/bpf/runqslower//vmlinux.h] Error 195
   make[3]: *** Deleting file 'tools/bpf/runqslower//vmlinux.h'
   make[2]: *** [Makefile:122: runqslower] Error 2

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

^ permalink raw reply	[flat|nested] 3+ messages in thread
* Error: failed to load BTF from vmlinux: No data available
@ 2023-05-16  2:22 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2023-05-16  2:22 UTC (permalink / raw)
  To: Changbin Du; +Cc: oe-kbuild-all, linux-kernel, Andrii Nakryiko

Hi Changbin,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: acd3b7768048fe338248cdf43ccfbf8c084a6bc1 libbpf: Return -ENODATA for missing btf section
date:   4 months ago
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acd3b7768048fe338248cdf43ccfbf8c084a6bc1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout acd3b7768048fe338248cdf43ccfbf8c084a6bc1
        make O=/tmp/kselftest headers
        make O=/tmp/kselftest -C tools/testing/selftests

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305161059.bKLKKlkO-lkp@intel.com/

All errors (new ones prefixed by >>):

   libbpf: failed to find '.BTF' ELF section in vmlinux
>> Error: failed to load BTF from vmlinux: No data available
   make[3]: *** [Makefile:76: tools/bpf/runqslower//vmlinux.h] Error 195
   make[3]: *** Deleting file 'tools/bpf/runqslower//vmlinux.h'
   make[2]: *** [Makefile:122: runqslower] Error 2
   make[2]: *** Waiting for unfinished jobs....
   libbpf: failed to find '.BTF' ELF section in vmlinux
>> Error: failed to load BTF from vmlinux: No data available
   make[3]: *** [Makefile:204: tools/bpf/bpftool/vmlinux.h] Error 195
   make[3]: *** Deleting file 'tools/bpf/bpftool/vmlinux.h'
   make[3]: *** Waiting for unfinished jobs....
   make[2]: *** [Makefile:113: bpftool] Error 2
--
   libbpf: failed to find '.BTF' ELF section in vmlinux
>> Error: failed to load BTF from vmlinux: No data available

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

^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-05-16 17:29 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2023-05-16  2:43 Error: failed to load BTF from vmlinux: No data available kernel test robot
2023-05-16 17:29 ` Andrii Nakryiko
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2023-05-16  2:22 kernel test robot

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