linux-kernel - [lkp-robot] [init, tracing] 2580d6b795: BUG:kernel_reboot-without-warning_in_boot

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Date:   Mon, 9 Apr 2018 13:32:52 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org, lkp@...org
Subject: [lkp-robot] [init, tracing]  2580d6b795:
 BUG:kernel_reboot-without-warning_in_boot_stage


FYI, we noticed the following commit (built with gcc-7):

commit: 2580d6b795e25879c825a0891cf67390f665b11f ("init, tracing: Have printk come through the trace events for initcall_debug")
url: https://github.com/0day-ci/linux/commits/Steven-Rostedt/init-tracing/20180407-130743


in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -cpu Nehalem -smp 2 -m 512M

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+------------------------------------------------------------------+------------+------------+
|                                                                  | ecf6709d07 | 2580d6b795 |
+------------------------------------------------------------------+------------+------------+
| boot_successes                                                   | 0          | 0          |
| boot_failures                                                    | 8          | 8          |
| invoked_oom-killer:gfp_mask=0x                                   | 8          |            |
| Mem-Info                                                         | 8          |            |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 8          |            |
| BUG:kernel_reboot-without-warning_in_boot_stage                  | 0          | 8          |
+------------------------------------------------------------------+------------+------------+



[    0.000000] RAMDISK: [mem 0x1b7e2000-0x1ffcffff]
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI: RSDP 0x00000000000F6860 000014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 0x000000001FFE1628 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACP 0x000000001FFE147C 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
BUG: kernel reboot-without-warning in boot stage

Elapsed time: 10

#!/bin/bash



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script  # job-script is attached in this email



Thanks,
Xiaolong

View attachment "config-4.16.0-07251-g2580d6b" of type "text/plain" (123945 bytes)

View attachment "job-script" of type "text/plain" (4237 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (2320 bytes)