linux-kernel - [rt-devel:linux-6.6.y-rt] [printk] 78f4b59c6f: BUG:kernel_failed_in_early-boot_stage,last_printk:early_console_in_setup

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Date:   Thu, 16 Nov 2023 15:43:38 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <rcu@...r.kernel.org>, <oliver.sang@...el.com>
Subject: [rt-devel:linux-6.6.y-rt] [printk]  78f4b59c6f:
 BUG:kernel_failed_in_early-boot_stage,last_printk:early_console_in_setup_code



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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202311161555.3ee16fc9-oliver.sang@intel.com


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@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki