On Sun, Oct 9, 2022 at 10:21 AM kernel test robot <yujie.liu@xxxxxxxxx> wrote: > > Greeting, > > FYI, we noticed the following commit (built with gcc-11): > > commit: b3830bad81e872632431363853c810c5f652a040 ("[PATCH v3 2/8] kbuild: rebuild .vmlinux.export.o when its prerequisite is updated") > url: https://github.com/intel-lab-lkp/linux/commits/Masahiro-Yamada/Unify-linux-export-h-and-asm-export-h-remove-EXPORT_DATA_SYMBOL-faster-TRIM_UNUSED_KSYMS/20220928-144539 > base: https://git.kernel.org/cgit/linux/kernel/git/masahiroy/linux-kbuild.git for-next > patch link: https://lore.kernel.org/linux-kbuild/20220928063947.299333-3-masahiroy@xxxxxxxxxx > > in testcase: boot > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): I think this is a false-positive alarm. As I replied before [1], I know my patch set is broken. I think 0day bot is testing the patch set I had already retracted. I only picked up low-hanging fruits with fixes to my tree, and did boot tests. Please let me know if linux-next is broken. [1] : https://lore.kernel.org/linux-kbuild/CAK7LNATcD6k+R66YFVg_mhe7-FGNc0nYaTPuORCcd34Qw3ra2g@xxxxxxxxxxxxxx/T/#t > > early console in setup code > Probing EDD (edd=off to disable)... ok > No EFI environment detected. > early console in extract_kernel > input_data: 0x0000000002e5740d > input_len: 0x000000000099c37e > output: 0x0000000001000000 > output_len: 0x000000000234aa00 > kernel_total_size: 0x0000000002828000 > needed_size: 0x0000000002a00000 > trampoline_32bit: 0x000000000009d000 > > Decompressing Linux... Parsing ELF... > > Alignment of LOAD segment isn't multiple of 2MB > > -- System haltedBUG: kernel hang in boot stage > > > > 61682ee38a ("kbuild: move modules.builtin(.modinfo) rules to Makefile.vmlinux_o") > b3830bad81 ("kbuild: rebuild .vmlinux.export.o when its prerequisite is updated") > > +----------------+------------+------------+ > | | 61682ee38a | b3830bad81 | > +----------------+------------+------------+ > | boot_successes | 24 | 0 | > | boot_failures | 0 | 18 | > | System_halted | 0 | 18 | > +----------------+------------+------------+ > > > If you fix the issue, kindly add following tag > | Reported-by: kernel test robot <yujie.liu@xxxxxxxxx> > | Link: https://lore.kernel.org/r/202210090942.a159fe4-yujie.liu@xxxxxxxxx > > > To reproduce: > > # build kernel > cd linux > cp config-6.0.0-rc7-00038-gb3830bad81e8 .config > make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules > make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install > cd <mod-install-dir> > find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz > > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email > > # if come across any failure that blocks the test, > # please remove ~/.lkp and /lkp dir to run from a clean state. > > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp -- Best Regards Masahiro Yamada