Hello, kernel test robot noticed "BUG:kernel_failed_in_early-boot_stage,last_printk:early_console_in_setup_code" on: commit: 78f4b59c6faa7afe24b973210151d4a82b5669eb ("printk: Update the printk series.") https://git.kernel.org/cgit/linux/kernel/git/rt/linux-rt-devel.git linux-6.6.y-rt in testcase: boot compiler: gcc-12 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +----------------------------------------------------------------------------------+------------+------------+ | | 99199e32f0 | 78f4b59c6f | +----------------------------------------------------------------------------------+------------+------------+ | BUG:kernel_failed_in_early-boot_stage,last_printk:early_console_in_setup_code | 0 | 23 | +----------------------------------------------------------------------------------+------------+------------+ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202311161555.3ee16fc9-oliver.sang@xxxxxxxxx early console in setup code convert early boot stage from hang to failed BUG: kernel failed in early-boot stage, last printk: early console in setup code Linux version 6.6.0-rt12-00111-g78f4b59c6faa #1 Command line: ip=::::vm-meta-31::dhcp root=/dev/ram0 RESULT_ROOT=/result/boot/1/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-006-20231109/gcc-12/78f4b59c6faa7afe24b973210151d4a82b5669eb/19 BOOT_IMAGE=/pkg/linux/i386-randconfig-006-20231109/gcc-12/78f4b59c6faa7afe24b973210151d4a82b5669eb/vmlinuz-6.6.0-rt12-00111-g78f4b59c6faa branch=rt-devel/linux-6.6.y-rt job=/lkp/jobs/scheduled/vm-meta-31/boot-1-debian-11.1-i386-20220923.cgz-i386-randconfig-006-20231109-78f4b59c6faa-20231113-60184-77bbov-19.yaml user=lkp ARCH=i386 kconfig=i386-randconfig-006-20231109 commit=78f4b59c6faa7afe24b973210151d4a82b5669eb mem=4G nmi_watchdog=0 vmalloc=256M initramfs_async=0 page_owner=on max_uptime=600 LKP_SERVER=internal-lkp-server selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw mem=4G rcuperf.shutdown=0 watchdog_thresh=240 Kboot worker: lkp-worker04 Elapsed time: 660 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20231116/202311161555.3ee16fc9-oliver.sang@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki