On 8/10/21 8:16 PM, kernel test robot wrote: Yes, I have noticed this one and a few other ('static') make targets that should not need a .config file. I have a note to myself to ask about these, so thanks for bringing it up. -- ~Randy

On Fri, Aug 13, 2021 at 07:18:45PM +0900, Masahiro Yamada wrote: Sorry for the false report, which is a regression in our tool setup and make.cross script. Thanks for the detail analysis including below reproduce output, it's our fault that we didn't notice the breakage of riscv. We will fix it soon. > > clang --target=riscv64-linux-gnu -no-integrated-as > --prefix=riscv64-linux-gnu- -Werror=unknown-warning-option: unknown > assembler invoked > scripts/Kconfig.include:50: Sorry, this assembler is not supported. > > > > > This happens when the proper toolchains are not found. > > That is, make.cross passed CROSS_COMPILE=riscv64-linux-gnu- > to the make command line, but riscv64-linux-gnu binutils > are not installed on the system. > > > > Without installing binutils-riscv64-linux-gnu, > I can see a similar error log. > > > > > > masahiro@grover:~/ref/linux$ wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross > -O ~/bin/make.cross > --2021-08-13 18:57:01-- > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross > Resolving raw.githubusercontent.com (raw.githubusercontent.com)... > 185.199.110.133, 185.199.109.133, 185.199.111.133, ... > Connecting to raw.githubusercontent.com > (raw.githubusercontent.com)|185.199.110.133|:443... connected. > HTTP request sent, awaiting response... 200 OK > Length: 9655 (9.4K) [text/plain] > Saving to: ‘/home/masahiro/bin/make.cross’ > > /home/masahiro/bin/make.cross > 100%[================================================================================================================================================================>] > 9.43K --.-KB/s in 0s > > 2021-08-13 18:57:01 (44.7 MB/s) - ‘/home/masahiro/bin/make.cross’ > saved [9655/9655] > > masahiro@grover:~/ref/linux$ chmod +x ~/bin/make.cross > masahiro@grover:~/ref/linux$ git checkout > ba64beb17493a4bfec563100c86a462a15926f24 > HEAD is now at ba64beb17493 kbuild: check the minimum assembler > version in Kconfig > masahiro@grover:~/ref/linux$ rm -rf build_dir; mkdir build_dir > masahiro@grover:~/ref/linux$ zcat ~/Downloads/config.gz > build_dir/.config > masahiro@grover:~/ref/linux$ COMPILER_INSTALL_PATH=$HOME/0day > COMPILER=clang make.cross O=build_dir ARCH=riscv prepare > Compiler will be installed in /home/masahiro/0day > make --keep-going CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y > HOSTCC=/home/masahiro/0day/clang/bin/clang > CC=/home/masahiro/0day/clang/bin/clang > LD=/home/masahiro/0day/clang/bin/ld.lld > HOSTLD=/home/masahiro/0day/clang/bin/ld.lld AR=llvm-ar NM=llvm-nm > STRIP=llvm-strip OBJDUMP=llvm-objdump OBJSIZE=llvm-size > READELF=llvm-readelf HOSTCXX=clang++ HOSTAR=llvm-ar > CROSS_COMPILE=riscv64-linux-gnu- --jobs=16 O=build_dir ARCH=riscv > prepare > make[1]: Entering directory '/home/masahiro/ref/linux/build_dir' > SYNC include/config/auto.conf > GEN Makefile > HOSTCC scripts/basic/fixdep > HOSTCC scripts/kconfig/conf.o > HOSTCC scripts/kconfig/confdata.o > HOSTCC scripts/kconfig/expr.o > LEX scripts/kconfig/lexer.lex.c > YACC scripts/kconfig/parser.tab.[ch] > HOSTCC scripts/kconfig/preprocess.o > HOSTCC scripts/kconfig/symbol.o > HOSTCC scripts/kconfig/util.o > HOSTCC scripts/kconfig/lexer.lex.o > HOSTCC scripts/kconfig/parser.tab.o > HOSTLD scripts/kconfig/conf > /home/masahiro/0day/clang/bin/clang --target=riscv64-linux-gnu > -no-integrated-as --prefix=riscv64-linux-gnu- > -Werror=unknown-warning-option: unknown assembler invoked > scripts/Kconfig.include:50: Sorry, this assembler is not supported. > make[3]: *** [../scripts/kconfig/Makefile:63: syncconfig] Error 1 > make[2]: *** [../Makefile:617: syncconfig] Error 2 > make[1]: *** [/home/masahiro/ref/linux/Makefile:726: > include/config/auto.conf] Error 2 > make[1]: Failed to remake makefile 'include/config/auto.conf'. > make[1]: Failed to remake makefile 'include/config/auto.conf.cmd'. > GEN Makefile > WRAP arch/riscv/include/generated/uapi/asm/errno.h > WRAP arch/riscv/include/generated/uapi/asm/fcntl.h > WRAP arch/riscv/include/generated/uapi/asm/ioctl.h > WRAP arch/riscv/include/generated/uapi/asm/ioctls.h > WRAP arch/riscv/include/generated/uapi/asm/ipcbuf.h > WRAP arch/riscv/include/generated/uapi/asm/mman.h > WRAP arch/riscv/include/generated/uapi/asm/msgbuf.h > WRAP arch/riscv/include/generated/uapi/asm/param.h > WRAP arch/riscv/include/generated/uapi/asm/poll.h > WRAP arch/riscv/include/generated/uapi/asm/posix_types.h > WRAP arch/riscv/include/generated/uapi/asm/resource.h > WRAP arch/riscv/include/generated/uapi/asm/sembuf.h > WRAP arch/riscv/include/generated/uapi/asm/setup.h > WRAP arch/riscv/include/generated/uapi/asm/shmbuf.h > WRAP arch/riscv/include/generated/uapi/asm/siginfo.h > WRAP arch/riscv/include/generated/uapi/asm/signal.h > WRAP arch/riscv/include/generated/uapi/asm/socket.h > WRAP arch/riscv/include/generated/uapi/asm/sockios.h > WRAP arch/riscv/include/generated/uapi/asm/stat.h > WRAP arch/riscv/include/generated/uapi/asm/statfs.h > WRAP arch/riscv/include/generated/uapi/asm/swab.h > WRAP arch/riscv/include/generated/uapi/asm/termbits.h > WRAP arch/riscv/include/generated/uapi/asm/termios.h > WRAP arch/riscv/include/generated/uapi/asm/types.h > Error: kernelrelease not valid - run 'make prepare' to update it > UPD include/config/kernel.release > HOSTCC scripts/dtc/dtc.o > HOSTCC scripts/dtc/flattree.o > HOSTCC scripts/dtc/fstree.o > HOSTCC scripts/dtc/data.o > HOSTCC scripts/dtc/livetree.o > HOSTCC scripts/dtc/treesource.o > HOSTCC scripts/dtc/srcpos.o > HOSTCC scripts/dtc/checks.o > HOSTCC scripts/dtc/util.o > UPD include/generated/uapi/linux/version.h > LEX scripts/dtc/dtc-lexer.lex.c > YACC scripts/dtc/dtc-parser.tab.[ch] > HOSTCC scripts/dtc/yamltree.o > HOSTCC scripts/dtc/libfdt/fdt.o > UPD include/generated/utsrelease.h > HOSTCC scripts/dtc/libfdt/fdt_ro.o > HOSTCC scripts/dtc/libfdt/fdt_wip.o > HOSTCC scripts/dtc/libfdt/fdt_sw.o > HOSTCC scripts/dtc/libfdt/fdt_rw.o > WRAP arch/riscv/include/generated/asm/early_ioremap.h > WRAP arch/riscv/include/generated/asm/extable.h > WRAP arch/riscv/include/generated/asm/flat.h > WRAP arch/riscv/include/generated/asm/kvm_para.h > HOSTCC scripts/dtc/libfdt/fdt_strerror.o > WRAP arch/riscv/include/generated/asm/user.h > WRAP arch/riscv/include/generated/asm/vmlinux.lds.h > WRAP arch/riscv/include/generated/asm/bugs.h > WRAP arch/riscv/include/generated/asm/checksum.h > WRAP arch/riscv/include/generated/asm/compat.h > WRAP arch/riscv/include/generated/asm/device.h > WRAP arch/riscv/include/generated/asm/div64.h > WRAP arch/riscv/include/generated/asm/dma-mapping.h > WRAP arch/riscv/include/generated/asm/dma.h > WRAP arch/riscv/include/generated/asm/emergency-restart.h > WRAP arch/riscv/include/generated/asm/exec.h > WRAP arch/riscv/include/generated/asm/fb.h > WRAP arch/riscv/include/generated/asm/hardirq.h > WRAP arch/riscv/include/generated/asm/hw_irq.h > WRAP arch/riscv/include/generated/asm/irq_regs.h > WRAP arch/riscv/include/generated/asm/kmap_size.h > WRAP arch/riscv/include/generated/asm/local.h > WRAP arch/riscv/include/generated/asm/local64.h > WRAP arch/riscv/include/generated/asm/msi.h > HOSTCC scripts/dtc/libfdt/fdt_empty_tree.o > WRAP arch/riscv/include/generated/asm/percpu.h > WRAP arch/riscv/include/generated/asm/preempt.h > HOSTCC scripts/dtc/libfdt/fdt_addresses.o > WRAP arch/riscv/include/generated/asm/rwonce.h > WRAP arch/riscv/include/generated/asm/serial.h > WRAP arch/riscv/include/generated/asm/shmparam.h > WRAP arch/riscv/include/generated/asm/simd.h > WRAP arch/riscv/include/generated/asm/softirq_stack.h > WRAP arch/riscv/include/generated/asm/topology.h > WRAP arch/riscv/include/generated/asm/trace_clock.h > WRAP arch/riscv/include/generated/asm/unaligned.h > HOSTCC scripts/dtc/libfdt/fdt_overlay.o > WRAP arch/riscv/include/generated/asm/vga.h > HOSTCC scripts/dtc/fdtoverlay.o > WRAP arch/riscv/include/generated/asm/xor.h > HOSTCC scripts/dtc/dtc-lexer.lex.o > HOSTCC scripts/dtc/dtc-parser.tab.o > HOSTLD scripts/dtc/fdtoverlay > HOSTLD scripts/dtc/dtc > make[1]: Target 'prepare' not remade because of errors. > make[1]: Leaving directory '/home/masahiro/ref/linux/build_dir' > make: *** [Makefile:215: __sub-make] Error 2 > make: Target 'prepare' not remade because of errors. > > > > > > > It can be fixed by installing riscv64-linux-gnu toolchains. > > On debian or its variants, > > you can do it by > "sudo apt install binutils-riscv64-linux-gnu" > > > Or, you can download it from > https://download.01.org/0day-ci/cross-package/gcc-11.2.0-nolibc/ > > > > Then, the 0day bot command will proceed. > > > > > > > masahiro@grover:~/ref/linux$ sudo apt install binutils-riscv64-linux-gnu > Reading package lists... Done > Building dependency tree... Done > Reading state information... Done > The following packages were automatically installed and are no longer required: > cpp-10-riscv64-linux-gnu cpp-riscv64-linux-gnu > gcc-10-riscv64-linux-gnu-base libatomic1-riscv64-cross > libc6-dev-riscv64-cross libc6-riscv64-cross > libgcc-10-dev-riscv64-cross > libgcc-s1-riscv64-cross libgomp1-riscv64-cross linux-libc-dev-riscv64-cross > Use 'sudo apt autoremove' to remove them. > Suggested packages: > binutils-doc > The following NEW packages will be installed: > binutils-riscv64-linux-gnu > 0 upgraded, 1 newly installed, 0 to remove and 9 not upgraded. > Need to get 1,187 kB of archives. > After this operation, 8,838 kB of additional disk space will be used. > Get:1 http://jp.archive.ubuntu.com/ubuntu hirsute/main amd64 > binutils-riscv64-linux-gnu amd64 2.36.1-6ubuntu1 [1,187 kB] > Fetched 1,187 kB in 0s (4,826 kB/s) > Selecting previously unselected package binutils-riscv64-linux-gnu. > (Reading database ... 478665 files and directories currently installed.) > Preparing to unpack .../binutils-riscv64-linux-gnu_2.36.1-6ubuntu1_amd64.deb ... > Unpacking binutils-riscv64-linux-gnu (2.36.1-6ubuntu1) ... > Setting up binutils-riscv64-linux-gnu (2.36.1-6ubuntu1) ... > Processing triggers for libc-bin (2.33-0ubuntu5) ... > Processing triggers for man-db (2.9.4-2) ... > > masahiro@grover:~/ref/linux$ COMPILER_INSTALL_PATH=$HOME/0day > COMPILER=clang make.cross O=build_dir ARCH=riscv prepare > Compiler will be installed in /home/masahiro/0day > make --keep-going CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y > HOSTCC=/home/masahiro/0day/clang/bin/clang > CC=/home/masahiro/0day/clang/bin/clang > LD=/home/masahiro/0day/clang/bin/ld.lld > HOSTLD=/home/masahiro/0day/clang/bin/ld.lld AR=llvm-ar NM=llvm-nm > STRIP=llvm-strip OBJDUMP=llvm-objdump OBJSIZE=llvm-size > READELF=llvm-readelf HOSTCXX=clang++ HOSTAR=llvm-ar > CROSS_COMPILE=riscv64-linux-gnu- --jobs=16 O=build_dir ARCH=riscv > prepare > make[1]: Entering directory '/home/masahiro/ref/linux/build_dir' > SYNC include/config/auto.conf > GEN Makefile > .config:792:warning: symbol value 'm' invalid for MTD_NAND_ECC_SW_HAMMING > * > * Restart config... > * > * > * CPU/Task time and stats accounting > * > Cputime accounting > 1. Simple tick based cputime accounting (TICK_CPU_ACCOUNTING) > > 2. Full dynticks CPU time accounting (VIRT_CPU_ACCOUNTING_GEN) > choice[1-2?]: 2 > Fine granularity task level IRQ time accounting (IRQ_TIME_ACCOUNTING) > [N/y/?] (NEW) > > > > > > > > -- > Best Regards > Masahiro Yamada >