TO: Peter Zijlstra <peterz(a)infradead.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/module head: da421daa5220b8f0a606357bc1981e6464f48715 commit: 86876eb6e0e9954e90595ecac8b203e31c7e2c53 [3/5] x86,module: Detect VMX vs SLD conflicts config: x86_64-randconfig-a012-20201013 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a324d8f964bf421fa7d8b882b0f64ead28c4149c) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue x86/module git checkout 86876eb6e0e9954e90595ecac8b203e31c7e2c53 # 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 0x0000560c1c0f9a7c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/cross/clang-a324d8f964/bin/lld+0x8b6a7c) #1 0x0000560c1c0f78c4 llvm::sys::RunSignalHandlers() (/opt/cross/clang-a324d8f964/bin/lld+0x8b48c4) #2 0x0000560c1c0f7a18 SignalHandler(int) (/opt/cross/clang-a324d8f964/bin/lld+0x8b4a18) #3 0x00007fea6afed730 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12730) #4 0x00007fea6ab1f7bb raise (/lib/x86_64-linux-gnu/libc.so.6+0x377bb) #5 0x00007fea6ab0a535 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22535) #6 0x00007fea6aed4983 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x8c983) #7 0x00007fea6aeda8c6 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x928c6) #8 0x00007fea6aeda901 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x92901) #9 0x00007fea6aedab34 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x92b34) #10 0x00007fea6aed6a55 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x8ea55) #11 0x00007fea6af03dc9 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbbdc9) #12 0x0000560c1edc31f1 std::thread::_State_impl<std::thread::_Invoker<std::tuple<llvm::parallel::detail::(anonymous namespace)::ThreadPoolExecutor::ThreadPoolExecutor(llvm::ThreadPoolStrategy)::'lambda'()> > >::_M_run() (/opt/cross/clang-a324d8f964/bin/lld+0x35801f1) #13 0x00007fea6af03b2f (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbbb2f) #14 0x00007fea6afe2fa3 start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x7fa3) #15 0x00007fea6abe14cf clone (/lib/x86_64-linux-gnu/libc.so.6+0xf94cf) /bin/bash: line 1: 165237 Aborted ld.lld -m elf_x86_64 -r -o drivers/net/ethernet/mellanox/mlx4/mlx4_core.o drivers/net/ethernet/mellanox/mlx4/alloc.o drivers/net/ethernet/mellanox/mlx4/catas.o drivers/net/ethernet/mellanox/mlx4/cmd.o drivers/net/ethernet/mellanox/mlx4/cq.o drivers/net/ethernet/mellanox/mlx4/eq.o drivers/net/ethernet/mellanox/mlx4/fw.o drivers/net/ethernet/mellanox/mlx4/fw_qos.o drivers/net/ethernet/mellanox/mlx4/icm.o drivers/net/ethernet/mellanox/mlx4/intf.o drivers/net/ethernet/mellanox/mlx4/main.o drivers/net/ethernet/mellanox/mlx4/mcg.o drivers/net/ethernet/mellanox/mlx4/mr.o drivers/net/ethernet/mellanox/mlx4/pd.o drivers/net/ethernet/mellanox/mlx4/port.o drivers/net/ethernet/mellanox/mlx4/profile.o drivers/net/ethernet/mellanox/mlx4/qp.o drivers/net/ethernet/mellanox/mlx4/reset.o drivers/net/ethernet/mellanox/mlx4/sense.o drivers/net/ethernet/mellanox/mlx4/srq.o drivers/net/ethernet/mellanox/mlx4/resource_tracker.o drivers/net/ethernet/mellanox/mlx4/crdump.o --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org