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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4356996dad0sm46479226f8f.27.2026.01.22.06.57.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 06:57:53 -0800 (PST) Date: Thu, 22 Jan 2026 14:57:52 +0000 From: David Laight To: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List , Nicolas Pitre Subject: Re: mips64-linux-ld: lib/math/div64.c:undefined reference to `__multi3' Message-ID: <20260122145752.1e4c4202@pumpkin> In-Reply-To: <202601222217.uzed54La-lkp@intel.com> References: <202601222217.uzed54La-lkp@intel.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: A599AC0004 X-Stat-Signature: 9cfdaimk1j11aw47kxijiyfi1k4r18y6 X-Rspam-User: X-HE-Tag: 1769100226-562997 X-HE-Meta: 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 Ff4CzRPJ 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 22 Jan 2026 22:43:28 +0800 kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: a66191c590b3b58eaff05d2277971f854772bd5b > commit: d10bb374c41e4c4dced04ae7d2fe2d782a5858a0 lib: mul_u64_u64_div_u64(): optimise the divide code > date: 9 weeks ago > config: mips-randconfig-r062-20260122 (https://download.01.org/0day-ci/archive/20260122/202601222217.uzed54La-lkp@intel.com/config) > compiler: mips64-linux-gcc (GCC) 8.5.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601222217.uzed54La-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/202601222217.uzed54La-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > mips64-linux-ld: mips64-linux-ld: lib/math/div64.o: unable to get decompressed section .debug_info > lib/math/div64.o: in function `mul_u64_add_u64_div_u64': > lib/math/div64.c:(.text+0x60): undefined reference to `__multi3' > >> mips64-linux-ld: lib/math/div64.c:(.text+0x188): undefined reference to `__multi3' > Known error, duplicate of a different build. Really a bug in gcc, fixable by changing the compiler version in a test. David