linux-kernel - [LKP] b179f0826c BUG: kernel hang in boot stage

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Date:   Thu, 1 Nov 2018 09:13:07 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, LKP <lkp@...org>
Subject: [LKP] b179f0826c BUG: kernel hang in boot stage

Greetings,

0day kernel testing robot got the below dmesg and the first bad commit is

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master

commit b179f0826c6a13563c5ce0554c6da6748a1fa699
Author:     Stephen Rothwell <sfr@...b.auug.org.au>
AuthorDate: Mon Oct 29 16:55:21 2018 +1100
Commit:     Stephen Rothwell <sfr@...b.auug.org.au>
CommitDate: Mon Oct 29 16:55:21 2018 +1100

    Add linux-next specific files for 20181029
    
    Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>

a3bbfc79c4  Merge branch 'akpm/master'
b179f0826c  Add linux-next specific files for 20181029
+------------------------------------------------+------------+---------------+
|                                                | a3bbfc79c4 | next-20181029 |
+------------------------------------------------+------------+---------------+
| boot_successes                                 | 33         | 0             |
| boot_failures                                  | 2          | 30            |
| BUG:kernel_hang_in_boot_stage                  | 1          | 30            |
| IP-Config:Auto-configuration_of_network_failed | 1          |               |
+------------------------------------------------+------------+---------------+

kernel_total_size: 0x0000000009026000
trampoline_32bit: 0x000000000009d000

Decompressing Linux... Parsing ELF... done.
Booting the kernel.
BUG: kernel hang in boot stage
Linux version 4.19.0-next-20181029 #71
Command line: root=/dev/ram0 hung_task_panic=1 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 link=/cephfs/kbuild/run-queue/yocto-vp/x86_64-randconfig-ne0-10292256/linux-next:master:b179f0826c6a13563c5ce0554c6da6748a1fa699:bisect-linux-12/.vmlinuz-b179f0826c6a13563c5ce0554c6da6748a1fa699-20181030000505-5:yocto-vp-57 branch=linux-next/master BOOT_IMAGE=/pkg/linux/x86_64-randconfig-ne0-10292256/gcc-6/b179f0826c6a13563c5ce0554c6da6748a1fa699/vmlinuz-4.19.0-next-20181029 drbd.minor_count=8 rcuperf.shutdown=0


                                                          # HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start b179f0826c6a13563c5ce0554c6da6748a1fa699 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d --
git bisect good b8a4ed6ceed0081446456bebf7ff175b6a0f8cf6  # 00:44  G     10     0    1   1  drivers: net: include linux/ip.h for iphdr
git bisect good 6565d3323f62210ffe8296072fe14fc7e7f4a794  # 01:02  G     10     0    0   0  Merge remote-tracking branch 'ubifs/linux-next'
git bisect good 1be75f432bcfcddfac0fd173b09886da1f6e227a  # 01:22  G     10     0    0   0  Merge remote-tracking branch 'mailbox/mailbox-for-next'
git bisect good ec7a6fc34864d1977fa110d27e98d5ca6f93221e  # 01:38  G     11     0    0   0  Merge remote-tracking branch 'icc/icc-next'
git bisect good ecebdabe77dfbba884d6a7c6134dd6d8e1f77198  # 01:58  G     11     0    0   0  Merge remote-tracking branch 'livepatching/for-next'
git bisect good 4a0dc0fb977aed93b38f4c3d1f9fd45a50a52a17  # 02:20  G     10     0    1   1  Merge remote-tracking branch 'cisco/for-next'
git bisect good d6f07aa341e82f4efdfc57fcff5417f2c86f5ab3  # 02:41  G     11     0    0   0  Merge branch 'akpm-current/current'
git bisect good a3bbfc79c47a84b1a33c8fd4d76ecd475963dd28  # 03:00  G     11     0    0   0  Merge branch 'akpm/master'
# first bad commit: [b179f0826c6a13563c5ce0554c6da6748a1fa699] Add linux-next specific files for 20181029
git bisect good a3bbfc79c47a84b1a33c8fd4d76ecd475963dd28  # 03:08  G     31     0    0   2  Merge branch 'akpm/master'
# extra tests with debug options
git bisect good b179f0826c6a13563c5ce0554c6da6748a1fa699  # 03:25  G     11     0    1   1  Add linux-next specific files for 20181029
# extra tests on HEAD of linux-next/master
git bisect  bad b179f0826c6a13563c5ce0554c6da6748a1fa699  # 03:25  B      0    30   49   0  Add linux-next specific files for 20181029
# extra tests on tree/branch linux-next/master
git bisect  bad b179f0826c6a13563c5ce0554c6da6748a1fa699  # 03:26  B      0    30   49   0  Add linux-next specific files for 20181029

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/lkp                          Intel Corporation

Download attachment "dmesg-yocto-vp-57:20181030001234:x86_64-randconfig-ne0-10292256:4.19.0-next-20181029:71.gz" of type "application/gzip" (1171 bytes)

Download attachment "dmesg-vm-lkp-wsx03-quantal-x86_64-27:20181030030600:x86_64-randconfig-ne0-10292256:4.19.0-13185-ga3bbfc7:1.gz" of type "application/gzip" (24574 bytes)

View attachment "reproduce-yocto-vp-57:20181030001234:x86_64-randconfig-ne0-10292256:4.19.0-next-20181029:71" of type "text/plain" (779 bytes)

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