TO: Chuck Lever <chuck.lever(a)oracle.com&gt; CC: Anna Schumaker <Anna.Schumaker(a)Netapp.com&gt; tree: git://git.linux-nfs.org/projects/anna/linux-nfs.git linux-next head: 65b17cd79c61458fa1bdf50b9b6aee876c87a19c commit: 56ceffbbb842795653eb51e1d724fa531a02bbc3 [21/23] NFS: Trace short NFS READs config: x86_64-randconfig-a011-20200519 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project e6658079aca6d971b4e9d7137a3a2ecbc9c34aec) reproduce: 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 56ceffbbb842795653eb51e1d724fa531a02bbc3 # 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: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old 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 0x000055ac2d0b24ea llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/opt/cross/clang-e6658079ac/bin/lld+0x8a44ea) #1 0x000055ac2d0b0425 llvm::sys::RunSignalHandlers() (/opt/cross/clang-e6658079ac/bin/lld+0x8a2425) #2 0x000055ac2d0b0542 SignalHandler(int) (/opt/cross/clang-e6658079ac/bin/lld+0x8a2542) #3 0x00007f627e031110 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14110) #4 0x00007f627db57781 raise (/lib/x86_64-linux-gnu/libc.so.6+0x3b781) #5 0x00007f627db4155b abort (/lib/x86_64-linux-gnu/libc.so.6+0x2555b) #6 0x00007f627deda80c (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x9a80c) #7 0x00007f627dee58f6 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xa58f6) #8 0x00007f627dee5961 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xa5961) #9 0x00007f627dee5bf5 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xa5bf5) #10 0x00007f627dedd478 std::__throw_system_error(int) (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x9d478) #11 0x00007f627df0ee69 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xcee69) #12 0x000055ac2f97e874 std::thread::_State_impl<std::_Bind_simple<llvm::parallel::detail::(anonymous namespace)::ThreadPoolExecutor::ThreadPoolExecutor(llvm::ThreadPoolStrategy)::'lambda'() ()> >::_M_run() (/opt/cross/clang-e6658079ac/bin/lld+0x3170874) #13 0x00007f627df0ebe0 (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xcebe0) #14 0x00007f627e025f27 start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x8f27) #15 0x00007f627dc1931f clone (/lib/x86_64-linux-gnu/libc.so.6+0xfd31f) /bin/bash: line 1: 54622 Aborted ld.lld -m elf_x86_64 -z max-page-size=0x200000 -r -o net/mac80211/mac80211.o net/mac80211/main.o net/mac80211/status.o net/mac80211/driver-ops.o net/mac80211/sta_info.o net/mac80211/wep.o net/mac80211/aead_api.o net/mac80211/wpa.o net/mac80211/scan.o net/mac80211/offchannel.o net/mac80211/ht.o net/mac80211/agg-tx.o net/mac80211/agg-rx.o net/mac80211/vht.o net/mac80211/he.o net/mac80211/ibss.o net/mac80211/iface.o net/mac80211/rate.o net/mac80211/michael.o net/mac80211/tkip.o net/mac80211/aes_cmac.o net/mac80211/aes_gmac.o net/mac80211/fils_aead.o net/mac80211/cfg.o net/mac80211/ethtool.o net/mac80211/rx.o net/mac80211/spectmgmt.o net/mac80211/tx.o net/mac80211/key.o net/mac80211/util.o net/mac80211/wme.o net/mac80211/chan.o net/mac80211/trace.o net/mac80211/mlme.o net/mac80211/tdls.o net/mac80211/ocb.o net/mac80211/airtime.o net/mac80211/pm.o --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org