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Mon, 14 Aug 2023 15:13:35 -0700 (PDT) MIME-Version: 1.0 References: <202308090204.9yZffBWo-lkp@intel.com> In-Reply-To: From: Nick Desaulniers Date: Mon, 14 Aug 2023 15:13:25 -0700 Message-ID: Subject: Re: error: A dwo section may not contain relocations To: Yujie Liu Cc: kernel test robot , Kees Cook , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Arnd Bergmann , Nathan Chancellor , Masahiro Yamada , Andrew Morton , Linux Memory Management List , Conor Dooley Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: F20A2A000F X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: axwi4xmk1xjfo6keciycm9nttfgib1es X-HE-Tag: 1692051216-914112 X-HE-Meta: U2FsdGVkX1/bvZZiNIbAopNn4MdAcxOHU4jyCEgEwkYUpGPxGMT4EsHDWmDRjtoSnctko+ROqSKKazrGZnrEQp45ASdksSnKU1EASmHSF6CKpOX7saw+7ayB4aHbYfDYTDVLpJ20QQCSD3JaVsDCsUQgBRVmF06WnO+EXtNmB42DENyUN3ol9hn9SL/3sYMi4z7Vfhq6Kun915vLZJ1lDZj1qk/ialdZ1BmIlqTe30pMEtCBcMEpXbU9TmMKgkOCsid69OFAuW2M9y2D7WUI8CcIJbm5xLKwTwpy4jpMcNs06uk6SFMUz0JXp6NvmeP3TFlAt06OfNOA1g17sQSv/7alTPa40nLq8XKpMM9zrie1j+jSnS6pYrgofqYF065+Wzv88L66/MgZHRh2s/2j7Y1mGrHbs5Q6wJ+p0AbHYEr8f8iTU/Ljj/XgxASkR5WJsHBGxNNrH+rOyF8aZrh3nDVdoEHqjS3PuqvA7hynREtDJHIE732pKxaXpmmBUMEpUQuKDefV7crM8yqUX1zjtu3NUDaO9EFl1r1EzdUB5AjxlT4wpoqq0ynT+QzooatBBL4Vw1szy6xiZLLAKeNyYYAmDhevc0FpZi9WpzDViDxmGREixuQ9gZndR427yauC3NhtgAkz3+YB4UPa2uj7PxPDc3Uoe6Ywo/uM2LojiG8DWO0KoghCGmmBS2pLXDL9+ZAGFArlolfFFg/r0NKbiGzr45FsA5qpJEdYv6TW2OtTheQpqaeWgOzgVE1xmkKjJwMH5Uq3lX8R/vITdq1LvgS38hQwXZRahK7qclQOA5YOzF9dlqG55sUV+WjF9asUx+09CCdp34H3xf0zyWRPZlm5FAGvnZk6ATjenL/Iecpu268aoPtmaJD/uHWLs0ikV0V25pUe9QeI11dIJhOryowFCN+CINFkNdDQmD/9JUbXmVOvh/gNXbhGQ8+QwwxZYPKR9eiwXZ/+8kA6j8e C1SV9a9z K2GBK/69TJbzCy+h1ErE43Sb9No4SotpzMoLNejfguJsrDERTbL8MhR2tZTis+J4+sRqM8TY6WMSVv5/ryytiBteFixVUxx9J4vs2fTmGLjVDzxNVM73ibAaIPUxBiFPanXUo7Mfz/e79BoQzaYls+nb+awnueT5Twl2fLBibkFVJEEof+TRHObb0zVOLPil6BwTBfGlB7Ep98GH/HwoQQFuKvCR33Ojr0J8/dMOSOxEX3z244Szzwq2UiQ0vRJFqStUlzbIobf4IO0I/eYrrDs14C7pt/oWKjq8dUJKU6nL7KXQU5lQLK0QG345meSFfXd3ys3q+ArgV3UuhM5tdj+4ja5ML4t9p5YNv84qMROfNamYLkCitNBlmH4cFv1gZu8q1bS59iAff69o= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Aug 10, 2023 at 1:04=E2=80=AFAM Yujie Liu wro= te: > > Hi Nick, > > On Tue, Aug 08, 2023 at 12:46:00PM -0700, Nick Desaulniers wrote: > > On Tue, Aug 8, 2023 at 12:02=E2=80=AFPM kernel test robot wrote: > > > > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linu= x.git master > > > head: 02aee814d37c563e24b73bcd0f9cb608fbd403d4 > > > commit: f9b3cd24578401e7a392974b3353277286e49cee Kconfig.debug: make = DEBUG_INFO selectable from a choice > > > date: 1 year, 5 months ago > > > config: riscv-randconfig-r001-20230808 (https://download.01.org/0day-= ci/archive/20230809/202308090204.9yZffBWo-lkp@intel.com/config) > > > compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.= git f28c006a5895fc0e329fe15fead81e37457cb1d1) > > > > FWIW, I wasn't able to reproduce with the provided config and > > clang-17. Perhaps this is a bug for older clang releases (the bot > > tested with clang-14). > > Thanks for this info. We re-tested with various versions of clang. > clang-14 throws this error, while clang-15/16/17 have no problem in this Oh, interesting data point. Ok, I've filed https://github.com/ClangBuiltLinux/linux/issues/1914 to track this. Will bisect llvm to find when this was fixed. Then we will fix kconfig for the split debug info. > case. We will consider adjusting our compiler coverage and remove the old > clang-14. Documentation/process/changes.rst lists our minimal support for clang-11+. It's still useful to have clang-14 builds. > > Best Regards, > Yujie > > > > reproduce: (https://download.01.org/0day-ci/archive/20230809/20230809= 0204.9yZffBWo-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 > > > | Closes: https://lore.kernel.org/oe-kbuild-all/202308090204.9yZffBWo= -lkp@intel.com/ > > > > > > All errors (new ones prefixed by >>): > > > > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > >> error: A dwo section may not contain relocations > > > fatal error: too many errors emitted, stopping now [-ferror-limit= =3D] > > > 20 errors generated. > > > make[2]: *** [scripts/Makefile.build:288: arch/riscv/kernel/vdso/v= gettimeofday.o] Error 1 shuffle=3D3686795728 > > > make[2]: Target 'include/generated/vdso-offsets.h' not remade beca= use of errors. > > > make[1]: *** [arch/riscv/Makefile:120: vdso_prepare] Error 2 shuff= le=3D3686795728 > > > make[1]: Target 'prepare' not remade because of errors. > > > make: *** [Makefile:219: __sub-make] Error 2 shuffle=3D3686795728 > > > make: Target 'prepare' not remade because of errors. > > > > > > -- > > > 0-DAY CI Kernel Test Service > > > https://github.com/intel/lkp-tests/wiki > > > > > > > > -- > > Thanks, > > ~Nick Desaulniers > > --=20 Thanks, ~Nick Desaulniers