Re: [LKP] [lkp-robot] [scsi, block] 0dba1314d4: WARNING:at_fs/sysfs/dir.c:#sysfs_warn_dup

On 02/05, Dan Williams wrote: >On Sun, Feb 5, 2017 at 4:57 PM, Ye Xiaolong <xiaolong.ye(a)intel.com&gt; wrote: >> On 02/05, Dan Williams wrote: >>>On Fri, Feb 3, 2017 at 11:09 PM, kernel test robot &gt;&gt;&gt;&lt;xiaolong.ye(a)intel.com&gt; wrote: >>>> >>>> FYI, we noticed the following commit: >>>> >>>> commit: 0dba1314d4f81115dce711292ec7981d17231064 ("scsi, block: fix duplicate bdi name registration crashes") >>>> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-4.11/next >>>> >>>> in testcase: boot >>>> >>>> on test machine: qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap -m 360M >>>> >>>> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): >>>[..] >>>> To reproduce: >>>> >>>> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git >>>> cd lkp-tests >>>> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email >>> >>>I tried this on a Fedora 24 system but was unsuccessful. Does it need >>>to be run as root? >> >> No, It doesn't need root privilege, could you paste some log for me to check? >> > >Attached is the output from: > >./bin/lkp qemu -k ~/git/linux/arch/x86/boot/bzImage job-script >out 2>&1 > Hmm, I believe it was caused by job-script saved as dos format, I can reproduce it when I downloaded it through outlook attachment. Try `dos2unix job-script` before "lkp qemu" to see whether it works.