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Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c

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Hi,

On 07/19, Linus Torvalds wrote:
>Hmm. I wonder why the kernel test robot ends up having that annoying
>line doubling for the dmesg.
>

Hmm, this line doubling issue should be caused by we set both
'earlyprintk=ttyS0,115200' and 'console=ttyS0,115200' in cmdline, after I
remove any of it, this issue is gone, is it an inappropriate setting?

FYI, the whole kernel command line is:

ip=::::vm-lkp-nhm-dp1-yocto-i386-7::dhcp
root=/dev/ram0
user=lkp
job=/lkp/scheduled/vm-lkp-nhm-dp1-yocto-i386-7/boot-1-yocto-tiny-i386-2016-04-22.cgz-6974f0c4555e285ab217cee58b6e874f776ff409-20170717-28286-131pyzw-0.yaml
ARCH=i386
kconfig=i386-randconfig-w0-07171351
branch=linus/master
commit=6974f0c4555e285ab217cee58b6e874f776ff409
BOOT_IMAGE=/pkg/linux/i386-randconfig-w0-07171351/gcc-6/6974f0c4555e285ab217cee58b6e874f776ff409/vmlinuz-4.12.0-10998-g6974f0c
max_uptime=600
RESULT_ROOT=/result/boot/1/vm-lkp-nhm-dp1-yocto-i386/yocto-tiny-i386-2016-04-22.cgz/i386-randconfig-w0-07171351/gcc-6/6974f0c4555e285ab217cee58b6e874f776ff409/0
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
drbd.minor_count=8
systemd.log_level=err
ignore_loglevel
earlyprintk=ttyS0,115200
console=ttyS0,115200
console=tty0
vga=

Thanks,
Xiaolong

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Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-20 06:10 +0200
  Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Daniel Micay <danielmicay@gmail.com> - 2017-07-20 06:50 +0200
  Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Masami Hiramatsu <mhiramat@kernel.org> - 2017-07-20 15:50 +0200
  Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Masami Hiramatsu <mhiramat@kernel.org> - 2017-07-20 18:00 +0200
    Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-20 20:50 +0200
      Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Masami Hiramatsu <mhiramat@kernel.org> - 2017-07-21 00:30 +0200
      Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Masami Hiramatsu <mhiramat@kernel.org> - 2017-07-21 05:40 +0200
  Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Ye Xiaolong <xiaolong.ye@intel.com> - 2017-07-21 04:10 +0200
    Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c Kees Cook <keescook@chromium.org> - 2017-07-21 07:50 +0200
    Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-07-21 11:20 +0200
      Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Petr Mladek <pmladek@suse.com> - 2017-07-21 12:10 +0200
  Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c Kees Cook <keescook@chromium.org> - 2017-07-26 01:40 +0200
    Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-26 02:20 +0200
      Re: [lkp-robot] [include/linux/string.h] 6974f0c455: kernel_BUG_at_lib/string.c Kees Cook <keescook@chromium.org> - 2017-07-26 02:40 +0200
        Re: [lkp-robot] [include/linux/string.h] 6974f0c455:  kernel_BUG_at_lib/string.c Daniel Micay <danielmicay@gmail.com> - 2017-07-26 04:40 +0200

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