TO: Jonathan Bakker <xc-racer2(a)live.ca&gt; CC: Mauro Carvalho Chehab <mchehab(a)kernel.org&gt; CC: linux-media(a)vger.kernel.org CC: Sylwester Nawrocki <s.nawrocki(a)samsung.com&gt; CC: Hans Verkuil <hverkuil(a)xs4all.nl&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b652d2a5f2a4e93d803cc33eb57fdc41ee528500 commit: b127f8db753aadab3fb5883713ffb2ee2e8bf16c [3762/9028] media: exynos4-is: Correct missing entity function initialization config: x86_64-randconfig-a015-20200920 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f4e554180962aa6bc93678898b6933ea712bde50) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout b127f8db753aadab3fb5883713ffb2ee2e8bf16c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): terminate called after throwing an instance of 'std::system_error' what(): Resource temporarily unavailable PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace. #0 0x000055dec672bf1c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/cross/clang-f4e5541809/bin/lld+0x8a7f1c) #1 0x000055dec6729e24 llvm::sys::RunSignalHandlers() (/opt/cross/clang-f4e5541809/bin/lld+0x8a5e24) #2 0x000055dec6729f58 SignalHandler(int) (/opt/cross/clang-f4e5541809/bin/lld+0x8a5f58) #3 0x00007f78c7d75730 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12730) #4 0x00007f78c78a77bb raise (/lib/x86_64-linux-gnu/libc.so.6+0x377bb) #5 0x00007f78c7892535 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22535) #6 0x00007f78c7c5c983 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x8c983) #7 0x00007f78c7c628c6 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x928c6) #8 0x00007f78c7c62901 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x92901) #9 0x00007f78c7c62b34 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x92b34) #10 0x00007f78c7c5ea55 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x8ea55) #11 0x00007f78c7c8bdc9 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbbdc9) #12 0x000055dec93a9a41 std::thread::_State_impl<std::thread::_Invoker<std::tuple<llvm::parallel::detail::(anonymous namespace)::ThreadPoolExecutor::ThreadPoolExecutor(llvm::ThreadPoolStrategy)::'lambda'()> > >::_M_run() (/opt/cross/clang-f4e5541809/bin/lld+0x3525a41) #13 0x00007f78c7c8bb2f (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbbb2f) #14 0x00007f78c7d6afa3 start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x7fa3) #15 0x00007f78c79694cf clone (/lib/x86_64-linux-gnu/libc.so.6+0xf94cf) /bin/bash: line 1: 149011 Aborted ld.lld -m elf_x86_64 -r -o net/wireless/cfg80211.o net/wireless/core.o net/wireless/sysfs.o net/wireless/radiotap.o net/wireless/util.o net/wireless/reg.o net/wireless/scan.o net/wireless/nl80211.o net/wireless/mlme.o net/wireless/ibss.o net/wireless/sme.o net/wireless/chan.o net/wireless/ethtool.o net/wireless/mesh.o net/wireless/ap.o net/wireless/trace.o net/wireless/ocb.o net/wireless/pmsr.o net/wireless/wext-compat.o net/wireless/wext-sme.o --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org