linux-kernel - [x86] 811565123a: BUG: kernel hang in early-boot stage, last printk: Probing EDD (edd=off to disable)... ok

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Message-ID: <57ef269a.XbyeTJaMf4hvWm9O%xiaolong.ye@intel.com>
Date:   Sat, 01 Oct 2016 10:59:38 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     lkp@...org, hmh@....eng.br, Andi Kleen <ak@...ux.intel.com>,
        linux-kernel@...r.kernel.org, hmh@....eng.br,
        Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
        x86@...nel.org
Subject: [x86]  811565123a: BUG: kernel hang in early-boot stage, last
 printk: Probing EDD (edd=off to disable)... ok

FYI, we noticed the following commit:

https://github.com/0day-ci/linux Andi-Kleen/x86-Report-Intel-platform_id-in-proc-cpuinfo/20160924-100841
commit 811565123a194d9cc0b490719bef761e1730dbf4 ("x86: Report Intel platform_id in /proc/cpuinfo")

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -m 320M

caused below changes:

+--------------------------------------------------------------------------------------+----------+------------+
|                                                                                      | v4.8-rc7 | 811565123a |
+--------------------------------------------------------------------------------------+----------+------------+
| boot_successes                                                                       | 10       | 0          |
| boot_failures                                                                        | 0        | 14         |
| BUG:kernel_hang_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok | 0        | 14         |
+--------------------------------------------------------------------------------------+----------+------------+

Probing EDD (edd=off to disable)... ok

Elapsed time: 310
BUG: kernel hang in early-boot stage, last printk: Probing EDD (edd=off to disable)... ok
Linux version 4.8.0-rc7-00001-g8115651 #1
Command line: ip=::::vm-lkp-st01-openwrt-ia32-12::dhcp root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-st01-openwrt-ia32-12/boot-1-openwrt-i386-2016-03-16.cgz-811565123a194d9cc0b490719bef761e1730dbf4-20160930-107145-1d180kz-0.yaml ARCH=i386 kconfig=i386-randconfig-sb0-09262308 branch=linux-devel/devel-hourly-2016092605 commit=811565123a194d9cc0b490719bef761e1730dbf4 BOOT_IMAGE=/pkg/linux/i386-randconfig-sb0-09262308/gcc-5/811565123a194d9cc0b490719bef761e1730dbf4/vmlinuz-4.8.0-rc7-00001-g8115651 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-lkp-st01-openwrt-ia32/openwrt-i386-2016-03-16.cgz/i386-randconfig-sb0-09262308/gcc-5/811565123a194d9cc0b490719bef761e1730dbf4/0 LKP_SERVER=inn 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 systemd.log_level=err ignore_loglevel earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw drbd.minor_count=8

Thanks,
Kernel Test Robot

View attachment "config-4.8.0-rc7-00001-g8115651" of type "text/plain" (95362 bytes)

View attachment "job-script" of type "text/plain" (3808 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (1148 bytes)